Publications

Publications arrived from the Department of Biochemistry

  1. Premachandran, P and Arasaratnam, V (2022). A study on the changes in amylose and resistant starch contents of selected rice varieties by traditional cooking methods. Tropical Agricultural Research & Extension. 25 (1): 46-58.  DOI: http://doi.org/10.4038/tare.v25i1.5560

  2. Sivarangini Sivagnanam, Vasanthy Arasaratnam and Mangala Gunatilake (2021). A Simple Method to Type the Urinary Stones. Nepal Medical College Journal. 23 (3): 216-222. DOI: https://doi.org/10.3126/nmcj.v23i3.36383

  3. Sasrubi, S. Sathiadas, M. G., Surenthirakumaran, R. and Arasaratnam, V. (2021). Maternal socio-demographic and economic factors of preterm babies born in Teaching Hospital, Jaffna, Sri Lanka.  Sri Lanka Journal of Child Health, 50: 692-698.

  4. Karthigesu, K., Balakumar, S. and Arasaratnam, V. (2021) Factors influencing the iodine status of children aged 12 to 59 months from Jaffna District, Sri Lanka in the post-iodization era; a descriptive, cross-sectional study. PLoS ONE. 16(6): e0252548. https://doi.org/10.1371/journal. pone.0252548.

  5. Muhunthan, K., Balakumar, S., Navaratnarajah, T. Premakrishna, S. and Arulkumaran, S. (2020). Plasma concentrations of tranexamic acid in postpartum women after oral administrations. Obstetrics & Gynecology. Vol. 135, No. 4, April 2020. pp. 945 – 948.

  6. Anpalagan, V. C., Balakumar, S. and Arasaratnam, V. (2020).  Paenibacillus dendritiformis DDS2: A new member to alkaline-thermophilic protease producers.  Malaysian Journal of Microbiology. 16(3): 167-175.

  7. Arasaratnam, V. (2019).  Repeated batch process for glucoamylase production by Aspergillus niger.  Journal of Dry Zone Agriculture. 5(1):1-10.

  8. Jayadas, T. T., Kumanan, T., Arasaratnam, V., Gajapathy, K. and Surendran, S. N. (2019).  The clinical profile, haematological parameters and liver transaminases of dengue NS1 Ag positive patients admitted to Jaffna Teaching Hospital, Sri Lnka.  BMC Research Notice.  12(604): 1-5. https://doi.org/10.1186/s13104-019-4655-8.

  9. Sasrubi, S., Balakumar, S. and Arasaratnam, V (2018).  Study on Body Mass Index, waist circumference and waist to height ratio of nursing officers working at Teaching Hospital, Jaffna. Ceylon Medical Journal.  63(2): 88-89.

  10. Kandeepan, K., Balakumar, S. and Arasaratnam, V. (2017). Breastfeeding practices and nutritional status of children age one to five in Jaffna district, Sri Lanka. The Indian Journal of Nutrition and Dietetics. 54(2): 172-184. DOI: 10.21048/ijnd.2017.54.2.14899.

  11. Kapilan, R. and Arasaratnam, V. (2017).  Industrial Applications of Bacterial Xylanases: A Review. Middle-East Journal of Scientific Research. 25(1): 79-89.

  12. Kumutharanjan, T., Sivaganesan, R. and Arasaratnam, V. (2017).  Hypoglycemic and hypolipidemic effect of Siddha Medical Preparation ‘Mathumeha Chooranam’ in patients with Type II diabetes mellitus.  Proceedings of the 5th International Conference on Contemporary Engineering and Technology-2017 24th to 25th March, 2017, ISBN 978-81-904760-9-6.

  13. Mahilrajan, S., Balakumar, S., Arasaratnam, V., Kumanan, T. and Kailayalingam, R. (2017). Glycaemic index and insulin index of Palmyra based edible products commonly consumed in Jaffna. IOSR Journal of Biotechnology and Biochemistry (IOSR-JBB). 3(1): 37-42.

  14. Balakumar, S. and Arasaratnam, V. (2016). Fermentation of High Gravity glucose by free and immobilized Saccharomyces cerevisiae S1 by cell recycling. Journal of Dry Zone Agriculture.  2: 1- 9.

  15. Kandeepan, K., Kanagasabai, S., Balakumar, S. and Arasaratnam, V. (2016). Prevalence of anaemia and nutritional status of adolescent students in Tellipalai Medical Officer of Health (MOH) area, Jaffna. ‘Towards a Greener Future, Jaffna University International Conference (JUICE-2016).  12th – 13th August, 2016. Tilko Hotel, Jaffna. 207-211.

  16. Kumutharanjan, T., Sivaganesan, R. and Arasaratnam, V. (2016). Antioxidant activity of aqueous extracts of Terminalia chebula stored for six months at room temperature and 4oC using 1, 1 diphenyl-2-picrylhydrazyl (DPPH) assay.  ‘Towards a Greener Future, Jaffna University International Conference (JUICE-2016).  12th – 13th August, 2016. Tilko Hotel, Jaffna. 193-196.

  17. Kumutharanjan, T., Sivaganesan, R. and Arasaratnam, V. (2016). Hypoglycaemic and antioxidant activity of Siddha medical preparation ‘Mathumeha Chooranam’ in patients with diabetes mellitus.  Proceedings of the 5th International Conference on Recent Trends in Engineering, Science and Management (ICRTESM2016). 16th and 17th July 2016, Organized by International Organization of Scientific Research and Development (IOSR), India, Madurai, India. 249-255.

  18. Kandeepan, K., Balakumar, S. and Arasaratnam, V. (2016). Nutritional status and food insecurity among the children in Northern Sri Lanka. Procedia Food Science. 6: 220-224.

  19. Yoganathan, T., Arasaratnam, V., Hettiarachchi, M. and Liyanage, C. (2016).  The study on thyroid status among new-borns in Jaffna District in Sri Lanka. Procedia Food Science. 6:271-274.

  20. Kumanan, T., Sujanitha, S., Balakumar, S. and Sreetharn, N. (2018). Amoebic liver abscess and indigenous alcoholic beverages in the tropics.  Journal of Tropical Medicine.  Volume 2018, Article ID 6901751, 6 pages.

  21. Kandeepan, K., Balakumar, S. and Arasaratnam, V.(2017). Breastfeeding practices and nutritional status of children age one to five in Jaffna district, Sri Lanka. The Indian Journal of Nutrition and Dietetics. 54(2): 172-184. DOI 10.21048/ijnd.2017.54.2.14899.

  22. Kapilan, R. and Arasaratnam, V.(2017). Industrial Applications of Bacterial Xylanases: A Review. Middle-East Journal of Scientific Research. 25(1): 79-89.

  23. Mahilrajan, S., Balakumar, S., Arasaratnam, V., Kumanan, T. and Kailayalingam, R. (2017). Glycaemic index and insulin index of Palmyra based edible products commonly consumed in Jaffna. IOSR Journal of Biotechnology and Biochemistry (IOSR-JBB). 3(1): 37-42.

  24. Balakumar, S. and Arasaratnam, V.(2016). Fermentation of High Gravity glucose by free and immobilized Saccharomyces cerevisiae S1 by cell recycling. Journal of Dry Zone Agriculture. 2: 1- 9.
  25. Kandeepan, K., Balakumar, S. and Arasaratnam, V.(2016). Nutritional status and food insecurity among the children in Northern Sri Lanka. Procedia Food Science. 6: 220-224.

  26. Yoganathan, T., Arasaratnam, V., Hettiarachchi, M. and Liyanage, C. (2016). The study on thyroid status among new-born in Jaffna District in Sri Lanka. Procedia Food Science. 6: 271-274.

  27. Yoganathan, T., Hettiarachchi, M., Arasaratnam, V.and Liyanage, C. (2015). Maternal iodine status and the thyroid function of pregnant mothers and their neonates in Jaffna District of Sri Lanka. Indian Journal of Endocrinology and Metabolism. Ip: 192-248.56.6 DOI: 10.4103/2230-8210.167563. 817-823.

  28. Amarasinghe, S., Balakumar, S. and Arasaratnam, V.(2015). Prevalence and risk factors of diabetes mellitus among adults in Jaffna District. Ceylon Medical Journal. 60(3): 107-110.

  29. Kumutharanjan, K., Sivakanesan, R. and Arasaratnam, V. (2015). Total phenolic content of Mathumeha Chooranam stored for six months at room temperature and at 4o  International Journal of Emerging Technology and Innovative Engineering, 1(9): 14-31.

  30. Sivarathy, A., Balakumar, S. and Arasaratnam, V. (2015). Metabolic syndrome among Jaffna Tamil community. Indian Journal of Endocrinology and Metabolism. DOI 10.4103/2230-8210.163204. 663-666.

  31. Sivarathy, A., Balakumar, S. and Arasaratnam, V. (2015). Prevalence and factors associated with metabolic syndrome among Tamils aged over 18 years in Jaffna district, Sri Lanka. Journal of Diabetes & Metabolic Disorders. DOI 10.1186/s40200-015-0190-x. 1-5.

  32. Arasaratnam, V. (2015). Food habits of Jaffna people and Nutrition. (In Tamil: aho;g;ghz kf;fspd; czTg; gof;f tof;fq;fSk; Nghrhf;Fk;) ‘Vadamallikai’, Mr. P. Nadarasa Felicitation Volume. Ed. Kalapooshanam Saivapulavar S. Sellathurai, Anna Industries, Inuvil. pp. 112-135.

  33. Pirasath, S., Balakumar S. and Arasaratnam, V. (2015). Glycemic index of traditional foods in Northern Sri Lanka.  Endocrinology and Metabolic Syndrome. 4(1): doi:10.4172/2161-­1017.1000154.

  34. Pirasath, S., Balakumar S. and Arasaratnam, V. (2015). Glycemic index of Sri Lankan meals.  Blood Disorders & Transfusion. 6(1): http://dx.doi.org/10.4172/2155-9864.1000254.

  35. Kumutharanjan, K., Sivakanesan, R. and Arasaratnam, V. (2015). Total phenolic content in aqueous extracts of Murraya keonigi stored for six months at room temperature and at 4o International Journal of Scientific and Research Publication, 5(2): www.ijsrp.org.

  36. Kapilan, R. and Arasaratnam, V. (2014). Improvement of Bacillus pumilus for higher xylanases production by mutation. Jacobs Journal of Enzymology and Enzyme Engineering. 2(1): 1-8.

  37. Kapilan, R. and Arasaratnam, V. (2014). Characterization of xylanase produced by Bacillus pumilus. Journal of National Science Foundation, Sri Lanka. 42(4): 363-366.

  38. Venkadaramana, A., Balakumar, S. and Arasaratnam, V. (2014). Effect of temperature, pH, substrate (starch) and glucose on the stability of a-amylase from Bacillus licheniformis ATCC 6346 and comparison with commercial enzyme. Scholars Academic Journal of Pharmacy. 3(6): 492-495.

  39. Arasaratnam, V. and Thayaananthan, K. (2014). Improving Thermostable a-amylase production by Bacillus RB4. European Journal of Experimental Biology. 4(4): 136-140.

  40. Arasaratnam, V. (2014). Glycaemic index for healthy life of Sri Lankan.  Batticaloa Medical Journal. 6: 3-11.

  41. Pirasath, S., Balakumar S., Thayaananthan, K. and Arasaratnam, V. (2014). Thosai mixed with side dishes alter Glycaemic Index.  Batticaloa Medical Journal. 6: 24-28.

  42. Inparuban, K., Balakumar, S. and Arasaratnam, V. (2014). Baker’s yeast biomass production with rice as carbon and soy meal as nitrogen sources.  Malaysian Journal of Microbiology. 10(3): 205-214.

  43. Balakumar, S. and Arasaratnam, V. (2014). High gravity glucose fermentation at temperatures above 40oC by Saccharomyces cerevisiae S1. Journal of National Science Foundation, Sri Lanka. 42(2): 109-115.

  44. Arasaratnam, V. and Thayaananthan, K. (2014). Isolation of a thermophilic bacterium to produce Thermostable a-amylase. European Journal of Experimental Biology. 4(3): 576-582.

  45. Arasaratnam, V. and Nithiyanantharajah, K. (2014). Paddy Husk support for large-scale solid-state production and, extraction and stabilization of glucoamylase. Malaysian Journal of Microbiology. 10(1): 48-56.

  46. Venkadaramana, A., Balakumar, S. and Arasaratnam, V. (2013). Optimization of fermentation medium components to improve a-amylase production by submerged fermentation technology. Scholars Academic Journal of Pharmacy. 2(3): 180-186.

  47. Pirasath, S., Balakumar S., Thayaananthan, K. and Arasaratnam, V. (2013). Including side dishes to traditional main meals alter the glycaemic index.  Sri Lankan Journal of Diabetes, Endocrinology and Metabolism. 3: 12-18.

  48. Venkadaramana, A., Balakumar, S. and Arasaratnam, V. (2013). Characteristic analysis of crude and purified a-amylase from Bacillus licheniformis ATCC 6346 and comparison with commercial enzyme. Scholars Academic Journal of Pharmacy. 2(2): 31-35.

  49. Balakumar, S. and Arasaratnam, V. Osmo-, thermo- and ethanol- tolerance of Saccharomyces cerevisiae S1. Brazilian Journal of Microbiology.  Accepted for Publication.

  50.  Pirasath S, Balakumar S, Thayaananthan K Arasaratnam V. Effect of soluble fiber on glycemic index.  Galle Medical Journal. Accepted for Publication.

  51. Pirasath S, Thayaananthan, K. Balakumar, S. and Arasaratnam, V. (2012).  Glycemic index values of some Jaffna fruits. Functional foods in Health and Diseases. 2(2): 25-35.

  52. Venkadaraman, A., Balakumar, S. and Arasaratnam, V. (2011). Improving  a-amylase production by Bacillus licheniformisATCC 6346 with local nitrogen sources and amino acids supplementations.  Archives of Applied Science Research.  3 (6):87-97.

  53. Venkadaraman, A., Balakumar, S. and Arasaratnam, V. (2011). Purification and comparison of crude enzyme with purified a-amylase from Bacillus licheniformis ATCC 6346.  European Journal of Experimental Biology. 1 (3): 58-69.

  54. Pirasath S, Balakumar S, Thayaananthan K Arasaratnam V. (2011). Glycaemic Index values of locally available foods in Jaffna. Ceylon Medical Journal, 56 (suppl) (1):36.

  55. Pirasath, S., Thayaananthan, K., Balakumar, S. And Arasaratnam, V. (2011). Bakery products and their glycaemic indices in Jaffna.  The Jaffna Medical Journal.  27(1): 38-43.

  56. Balakumar, S. and Arasaratnam, V. (2011). Palmyrah distillery spent wash ethanol production by thermotolerantSacharomyces cerevisiae S1 at 40oC.  Journal of Institute of Brewing. 117 (3): 451-455.

  57. Kapilan, R. and Arasaratnam, V. (2011). Comparison of the kinetic properties of crude and purified xylanase from Bacillus pumilus with commercial xylanase from Aspergillus niger. Vingnam Journal of Science. 10(1): 1-6.

  58. Kapilan, R. and Arasaratnam, V. (2011). Paddy Husk as Support for Solid State Fermentation to Produce Xylanase fromBacillus pumilus. Rice Science. 18(1): 36-45.

  59. Vaseekaran, S., Balakumar, S. And Arasaratnam, V. (2010).  Isolation and identification of a bacterial strain producing thermostable a-amylase.  Tropical Agricultural Research.  22(1): 1-11.

  60. Pirasath, S. Thayaananthan, K., Balakumar, S., Sivarajah N. and Arasaratnam, V.  (2010). Including curries to basic foods alter the Glycemic Indices. The Ceylon Medical Journal. 55(4): 118-122.

  61. Arasaratnam, V., Balakumar, S., Senthuran, A.  And Rajendraprasad, R. (2010). A preliminary on the influence of Tribulus terristris (T-Nerunchi; S-Hokaddu) extract on the risk factors for urinary stone in normal subjects and urolithic patients.Journal of National Science Foundation.  38(3): 187-191.

  62. Kapilan, R. and Vasanthy Arasaratnam (2010). A Novel Bacillus pumilus strain for alkaline xylanase production at and above 40oC. Ceylon Journal of Science (Bio Science). 39(1):61-70.

  63. Arasaratnam, V. and Thayaananthan, K. (2010). Mixture of residual fish hydrolysate and fish extract hydrolysate to activate Bacillus licheniformis 6346  for a-amylase production.  African Journal of Biotechnology. 9(23):3425-3430.

  64.  Veluppillai, S., Balakumar, S. and Arasaratnam, V. (2010).  Optimization of bread preparation from wheat flour and malted rice flour.  Rice Science, 17(1):51-59.

  65.  Kalpana Chandrasekar and Arasaratnam, V. (2010). Changes in macromolecules during malting of a local variety of rice.International Journal of Physical Science. 2(1):66-75.

  66. Kalpana Chandrasekar and Arasaratnam, V. (2010). Changes in macromolecules during malting of a local variety of rice.International Journal of Biological Science. 2 (2):1-10.

  67. Chandrasekar, K. and Arasaratnam, V. (2010). Kinetic studies on malt amylases and proteases of a local variety of rice.International Journal of Physical Science. 2 (2):28-39.

  68. Arasaratnam, V.and Chandrasekar, K. (2010). Kinetic studies on malt amylases and proteases of a local variety of rice.International Journal of Pure and Applied Science. 3(1): 8-19.

  69. Inparuban, K., Vasantharuba, S., Balakumar, S. and Arasaratnam, V. (2010). Optimization of Optimization of a culture conditions for Baker’s yeast cell mass production – A preliminary study. Journal of Science. 6(1): 34-45.

  70. Kapilan, R. and Arasaratnam, V. (2010). A Novel Bacillus pumilus strain producing alkaline xylanase at and above 40oC. Malaysian Journal of Biochemistry and Molecular Biology. 18: 7-15.

  71. Chandrasekar, K.and Arasaratnam, V. (2009). Simultaneous extraction of rice malt amylases and proteases.International Journal of Physical Science. 1(2): 1 – 11.

  72. Arasaratnam, V. (2009).  Preliminary studies for the pilot scale fermentation of palmyrah (Borassus Falbelliformis L) fruit pulp to ethanol. Journal of Science. 6(1): 113-119.

  73. Raguparan, P., Balakumar, S. and Arasaratnam, V. (2009). Glycemic index of selected starch based foods commonly eaten by the Northern Sri Lankan.  Czech J. Food Science. 27:

  74.  Balakumar, S. and Arasaratnam, V. (2009). Comparison of Industrial Scale Ethanol Production from Palmyrah based Carbon Sources by Commercial Yeast and Mixed Culture from Palmyrah Toddy.  Journal of Institute of Brewing. 115 (2):105-109.

  75. Arasaratnam, V. and Thayaananthan, K. (2009).   Substitutes fro GPR grade salts for a-amylase production by Bacillus licheniformis 6346. Malaysian Journal of Biochemistry and Molecular Biology.  17(1). 1-4.

  76. Veluppillai, S., Nithyanantharajah, K., Vasantharuba, S., Balakumar, S. and Arasaratnam, V. (2009).  Biochemical changes associated with germinating rice grains (Mottaikaruppan) and germination improvement.  Rice Science, 16(3):240-242.

  77. Raguparan, P., Vellupillai, S., Nithiyanantharajha, K., Thayaananthan, K., Balakumar, S. and Arasaratnam, V. (2008). Comparison of the glycemic index of the wheat flour bread and malted rice-wheat bread available foods at Jaffna in Sri Lanka.  Journal of Research in Bioscience. 4(3):23-28.

  78. Rajendra, B., Vasantharuba, S., Balakumar, S. and, Arasaratnam, V. (2008).  Analysis of drinking water in educational institutions of Jaffna for bacterial contamination during dry and wet seasons.  In:  Water Resources Research in Sri Lanka. Symposium Proceedings of the Water Professionals’ Day, Organized by Geo-Informatics Society of Sri Lanka and Department of Agricultural Engineering, University of Peradeniya, October 01, 2008. Ed. Dayawasana, N. D. K. And De Silva, R. P.  pp.  143-154.

  79. Raguparan, P., Thayaananthan, K., Balakumar, S. and Arasaratnam, V. (2008). Determination of glycemic index values of locally available foods in Jaffna at Sri Lanka.  Journal of Research in Bioscience. 1(2):44-54.

  80. Thurairatnam, S., Arasaratnam, V. and Senthuran, A. (2006). Effect of carbon sources and endogenous nitrogen sources on simultaneous saccharification and fermentation. Malaysian Journal of Biochemistry and Molecular Biology.  13:1-10.

  81. Senthuran, A., Senthuran, V., Rajni, H. K. and Mattiasson B. (2004). Lactate production in an integrated process configuration: reducing cell adsorption by shielding of adsorbent. Applied Microbiology Biotechnology. 65: 658-663.

  82. Arasaratnam, V. (2003).  Understanding glycaemic index for a healthy life.  Professor Sivapathasundram Mageswaran Memorial Lecture- 2003. Held on 25.07.2003.

  83. Balasubramaniam, K. (2003).  Integrated palmyrah industry for economic growth.  National Seminar on Plamyrah Research and Development, Palmyrah Development Board, Held on 15th October, 2003.

  84. Kumar, M. A., Thakur, M. S., Senthuran, A., Senthuran, V., Karanth, N. G., Kaul, R. and Mattiasson, B. (2001). An automated flow injection analysis for on-line monitoring of glucose and L-lactate during lactic acid fermentation in a recycle bioreactor. World Journal of Biotechnology and Microbiology. 17 (1): 23-29.

  85. Balakumar, S., Arasaratnam, V. and Balasubramaniam, K. (2001).   Isolation and improvement of thermotolerant Saccharomyces cerevisiae strain.  World Journal of Microbiology and Biotechnology.  17(7):  739-746.

  86. Arasaratnam, V., Mylvaganam, K. and Balasubramaniam, K.  (2001). Improvement of glucoamylase production by Aspergillus niger in solid-state fermentation with paddy husk as support. Journal of Food Science and Technology. 38 (4): 334 – 338.

  87. Arasaratnam, V. (2001).  Application of DNA fingerprinting in forensic medicine.  Chairperson’s Address. Proceedings of the 8th Annual Sessions of Jaffna Science Association. 8(2): 31-59.

  88. Arasaratnam, V. and Balasubramaniam, K. (2000).  Viability of calcium alginate entrapped Lactobacillus casei during continuous lactic acid production. Journal of the National Science Foundation of Sri Lanka.  28(3):  155-163.

  89. Navaratnam, P., Arasaratnam, V. and Balasubramaniam, K. (2000). Influence of different nitrogen sources on citric acid production from surface culture of Aspergillus niger.  Malaysian Journal of Biochemistry and Molecular Biology.  5:  1-4.

  90. Arasaratnam, V. Galaev, I.Y. and Mattiasson, B. (2000). reversibly soluble biocatalyst: Optimization of trypsin coupling to Eudragit S-100 and biocatalyst activity in soluble and precipitated forms.  Enzyme and Microbial Technology.  27: 254 – 263.

  91. Arasaratnam, V. (2000).  An over view on solid-state fermentation.  Chairperson’s Address.  Proceedings of the 7th Annual Sessions of Jaffna Science Association.  7(2): 36-57.

  92. Senthuran, A., Senthuran, V., Kaul, R. and Mattiasson, B. (1999). Lactic acid production by immobilized Lactobacillus casei in recycle batch reactor: A step towards optimization, Journal of Biotechnology. 73: 61-70.

  93. Senthuran, A., Arasaratnam, V. and Balasubramaniam, K. (1999).  Neutralizing lactic acid produced by Lactobacillus casei, with calcium carbonate. Journal of the National Science Foundation of Sri Lanka. 28(2): 107 –117. 

  94. Arasaratnam, V. and Balasubramaniam, K. (1999).  Development of Biochemistry and Biotechnology at the Universityof Jaffnain the last 21 years of this millennium.  Silver Jubilee Seminar, University of Jaffna, 14th and 15th, October 1999.

  95. Arasaratnam, V., Mylvaganam, K. and Balasubramaniam, K. (1998). Improving corn malting and preparation of malt extract using exogenous and endogenous amylases.  ASEAN Journal on Science & Technology for Development. 15(2):  27 – 36.

  96. Arasaratnam, V., Mylvaganam, K. and Balasubramaniam, K. (1998).  Corn malt extract for alcoholic and non–alcoholic beverages.  Journal of Food Science and Technology. 35(5): 425-427.

  97. Navaratnam, P., Arasaratnam, V. and Balasubramaniam, K. (1998).  Channeling of glucose by methanol for citric acid production form Aspergillus niger.  World Journal of Microbiology and Biotechnology. 14(4): 559-563.

  98. Arasaratnam, V., Sritharan, K., Nithiyanantharajah, N. and Balasubramaniam, K. (1998).  Large-scale preparation of crystalline glucose from raw starch in corn flour.   Starch. 50(6): 264-266.

  99. Balakumar, S., Arasaratnam, V. and Balasubramaniam, K. (1998).  Improved performance of Amberlite IRA– 904 immobilized glucoamylase.  Starch. 50(2-3): 93 – 95.

  100. Arasaratnam, V., Thayananthan, K. and Balasubramaniam, K. (1998).  Sugar syrup (DE 50-70) from corn flour.  Starch. 50 (2-3): 95 – 98.

  101. Arasaratnam, V. and Balasubramaniam, K. (1998).  The use of monochloro acetic acid for improved ethanol production by immobilized Saccharomyces cerevisiae. World Journal of Microbiology and Biotechnology. 14(1): 107-111.

  102. Murugapoopathy, T. and Varavinit, S. (1997).  Rice syrup clarification process with filter aid regeneration and recycling.  ASEAN Journal of Science and Technology for Development. 14(1): 1-18.

  103. Senthuran, A., Senthuran, V., Kaul, R. and Mattiasson, B. (1997). Lactic acid fermentation in Recycle batch Reactor using immobilized Lactobacillus casei. Biotechnology and Bioengineering. 55 (6): 841-853.

  104. Arasaratnam, V., Mylvaganam, K. and Balasubramaniam, K. (1997).  Paddy husk support and rice bran for the production of glucoamylase by Aspergillus niger.  International Journal of Food Science and Technology. 32(4): 299-304.

  105. Arasaratnam, V. and Balasubramaniam, K. (1997). Biotechnology of starch and sucrose (Palmyrah) based products.  IPICS 1970.  Results, Lessons learned and Prospects for medelopment of sustainable research environment in medeloping countries. Proceedings of the meeting held at Termas El Corazon, Chile, and Oct.19-23. 128-138.

  106. Balasubramaniam, K. and Arasaratnam, V. (1997). Novel technology for bioprocessing of starch in rice and corn.  International Symposium on Corn Deep Processing, Chang Chun, China. Pp 266-271. 

  107. Ramadas, M. Holst, O. and Mattiasson, B. (1996).  Production of amyloglucosidase by Aspergillus niger under different cultivation regimens.  World Journal of Microbiology and Biotechnology, 12: 267-271.

  108. Arasaratnam, V., Senthuran, A. and Balasubramaniam, K. (1996). Supplementation of whey with glucose and different nitrogen sources for lactic acid production by Lactobacillus delbrueckii. Enzyme Microbial Technology. 19: 482-486. 

     

  109. Navaratnam, P., Arasaratnam, V., Mahendran, S. and Balasubramaniam, K. (1996).  Formulation of medium and recycling of biomass for glucoamylase production by Botryodiplodia theobromae.  Process Biochemistry. 31(1): 77-80. 

  110. Ramadas, M. Holst, O. and Mattiasson, B. (1996).  Extraction of amyloglucosidae produced by solid state fermentation with Aspergillus niger.  Biotechnology Techniques, 9(12). 901-906. 

  111. Senthuran, A., Senthuran, V., Kaul, R. and Mattiasson, B. (1995). Lactic acid fermentation using immobilized Lactobacillus casei cells. Progress in Biotechnology. Volume 11. pp 570-575. Elsevier Science B.V.,p.o.Box 211, 1000 AEAmsterdam, TheNetherlands. 

  112. Murugapoopathy, T., Varavinit, S., Arasaratnam, V. and Balasubramaniam, K. (1995).  Studies on amylosis of different rice products during liquefaction process using thermostable a-amylase.  ASEAN Journal on Science & Technology for Development. 12(1): 43-57. 

  113. Arasaratnam, V., Balasubramaniam, K., Rajendra, S. and Ragavan, S. (1995).  Biochemical changes in beedi smokers.  Journal of the National Science Council, Sri Lanka. 23(3): 91-96. 

  114. Arasaratnam, V. and Balasubramaniam, K. (1995). Thermal stabilization of immobilized a-amylase by coupling with proline. Process Biochemistry. 30 (4): 299-303. 

  115. Arasaratnam, V., Sritharan, K. and Balasubramaniam, K. (1995).  Two-steps procedure for the purification of corn flour hydorlysate. Starch. 47(5): 182 –184. 

  116. Balasubramaniam, K., Arasaratnam, V., Somasundram, N. P. and Mahesparan, R. (1995). Abnormalities in lipid metabolism with heroin addicts.  Jaffna Medical Journal. 25(1): 21-25

  117. Balasubramaniam, K. (1994).  An overview of the Biotechnology research on starch based products at the Universityof Jaffna. Proceedings of the Jaffna Science Association.

  118. Arasaratnam, V., Murugapoopathy, T. and Balasubramaniam, K. (1994).  Effect of pH on preparation and performance of physically immobilized amyloglucosidase on DEAE– cellulose.  Starch. 46(4): 146-149. 

  119. Arasaratnam, V. (1994). Nutrients along with calcium in glucose feed enhance the life of alginate entrapped yeast cells.  Process Biochemistry. 29: 253-256. 

  120. Mahendran, S., Sivaganeshan, K. and Balasubramaniam, K. (1993).  Mechanical extraction of plamyrah fruit pulp. Bioprocess Engineering. 8: 301 – 302. 

  121. Balasubramaniam, K., Arasaratnam, V., Nadarajah, S., Chelliah, M. S. Lakshman, P. and Arulampalam, P. K. (1994). Biochemical changes in heroin addicts.  Journal of National Science Council, Sri Lanka. 22(1): 1-5. 

  122. Arasaratnam, V. and Balasubramaniam, K.  (1993). Synergistic action of a- amylase and glucoamylase on raw corn.   Starch. 45(6): 231-233. 

  123. Arasaratnam, V. and Balasubramaniam, K. (1993). Hydrolysis of macromolecules in corn flour and their filterability.  Journal of Science Society, Thailand. 19(1): 37-45. 

  124. Arasaratnam, V. and Balasubramaniam, K. (1992). Synergistic action of alpha amylase and glucoamylase on raw starch.  Journal of Microbial Biotechnology. 7(1):  37-46. 

  125. Balasubramaniam, K., Arasaratnam, V., Nageswaran, A., Anushiyanthan, S. and Mugunthan, N.  (1992). Studies on the effect of Gymnema sylvestre on diabetics. Journal of the National Science Council, Sri Lanka. 20(1): 81-89. 

  126. Balasubramaniam, K. and Mahendran, S. (1991).  Effect of enzymes on hydrolysis and filtrability of corn flour. Journal of the National Science Council, Sri Lanka. 19(2): 171 – 176.

  127. Seevaratnam, S., Hjorleifsdottir, S., Holst, O. and Mattiasson, B. (1990). Extractive bioconversion for lactic acid production using solid sorbent and organic solvent.  Bioprocess Enginering, 6:35-41. 

  128. Balasubramaniam, K. and Mahendran, S. (1990).  Corn malt amylases for saccharification of starch in corn.  Journal of Microbial Biotechnology, 5(2): 42-46.

  129. Hjorleifsdottir, S., Seevaratnam, S., Holst, O. and Mattiasson, B. (1990). Effects of complete cell recycling on product formation by Lactobacillus casei ssp. rhamnosus in continuous cultures.  Current Microbiology, 20:287-292.

  130. Seevaratnam, S., Ravirajan, C. T., Balasubramaniam, K., Varman, V. S., Jayaratnam, M. and Jayaseelan, K.  (1989). Feeding trails on rabbits using a Saccharmyces cerevisiae strain.   Journal of the National Science Council, Sri Lanka. 17(1): 73 – 82.

  131. Balasubramaniam, K. and Arasaratnam, V. (1989). Kinetic studies on soluble and immobilized alpha amylase and glucoamylase.   Journal of the National Science Council, Sri Lanka. 17(1): 91 – 97. 

  132. Balasubramaniam, K., Arasaratnam, V., Seevaratnam, S. and Pasupathy, N. (1989).  Blood glucose level in response to carbohydrate meals with varying fiber content.   Jaffna Medical Journal. 24: 19 – 22. 

  133. Larsson, M., Arasaratnam, V. and Mattiasson, B. (1989).  Integration of bioconversion and down – stream processing: Starch hydrolysis in aqueous two-phase system.  Biotechnology and Bioengineering.   33:  758 – 766. 

  134. Larsson, M., Arasaratnam, V. and Mattiasson, B. (1988). Effect of poly (ethylene glycol) on Saccharomyces cerevisiae with respect to growth and ethanol production.  Journal of Microbial Biotechnology.  3(2): 22 – 29.

  135. Balasubramaniam, K., Arasaratnam, V., Seevaratnam, S., Thirumagal, K. and Nageswaran, A. (1988).  Hypoglycemic effect of Gymnema sylvestre on diabetic patients.  Jaffna Medical Journal. 23: 49 – 53. 

  136. Arasaratnam, V. and Balasubramaniam, K. (1987).  Immobilization of a-amylase and glucoamylase to Sepharose-4B.  Journal of the National Science Council, Sri Lanka.  15(2):  217 – 226

Abstracts

  1. Minfak, K. A., Sivagnanam, S. and Arasaratnam, V. (2022). In vitro litholytic effect of commonly used siddha drugs and the aqueous extract of Tribulus terrestris as an adjuvant on oxalate stone. International Research Conference in Health Sciences 2022, Research and innovations for the advancement of health sciences, 31st March 2022, University of Sri Jayewardenepura, Sri Lanka. pp.46.

  2. Deluxan, F. P. M. Arasaratnam, V. and Thangarajah, R B (2022). Correlation between serum and salivary uric acid and creatinine levels of patients undergoing haemodialysis at Teaching Hospital Jaffna, Sri Lanka. International Research Conference in Health Sciences 2022, Research and innovations for the advancement of health sciences, 31st March 2022, University of Sri Jayewardenepura, Sri Lanka. pp.82.

  3. Kajani, S. and Arasaratnam, V. (2022). Prevalence of metabolic syndrome and associated risk factors among female academic and non-academic staff of University of Jaffna, Sri Lanka Department of Medical Laboratory Sciences, International Research Conference in Health Sciences 2022, Research and innovations for the advancement of health sciences, 31st March 2022, University of Sri Jayewardenepura, Sri Lanka. pp. 84.

  4. Kumutharanjan, T., Sivaganesan, R. and Arasaratnam, V. (2022).  Distribution of Type 2 Diabetes mellitus patients based on Doshas and Pirakiruti.  Enhance Immunity for Healthy Life through Siddha Medicine, 3rd International Conference on Siddha Medicine-2022 (CESM-2022), Jaffna University International Conference-2022 (JUICE-22), January, 2022. pp. 44.

  5. Printhajini Premachandrana and Vasanthy Arasaratnam (2021). Comparison of amylose content of selected paddy varieties (Oryza sativa L.) in Sri Lanka against different cooking conditions Proceedings of the International Conference on Innovation and Emerging Technologies (ICIET), 2021.Novemebr 26th to 27th, 2021, Faculty of Technology, University of Sri Jayewardenepura, Sri Lanka. pp 107.

  6. Sasrubi, S., Arasaratnam, V., Sathiadas, M. G. and Surendrakumaran, R. (2021).  Neuro-developmental trajectories of a cohort of preterm babies born at teaching hospital Jaffna.  Proceedings of Jaffna Medical Association.  Pp. 47.

  7. Sivakanesan, R., Thilageswary, K. and Vasanthy A. (2021). Effect of Polyherbal preparation on obese and overweight Type II Diabetes mellitus patients.  25th Annual Conference of Technological Advances in Science, Medicine and Engineering (TASME), Virtual Conference. 3rd to 4th July 2021.

  8. Liyanawadugae, R. M., Sivagnanam, S. and Arasaratnam, V. (2021).   In vitro antiurolithic effect of Siddha drugs with and without adjuvant on oxalate stone.  3rd Undergraduate Research Symposium, 2021 “Together today for a safe and healthy tomorrow”.  pp 22.

  9. Nirmani, R. M. D. S., Sujanitha, V., Aravinthan, M. and Arasaratnam, V. (2021). Serum uric acid level, fasting blood glucose level and HbA1c among type 2 diabetes mellitus patients with and without diabetic retinopathy attending the Diabetic Centre, Teaching Hospital Jaffna.  3rd Undergraduate Research Symposium, 2021 “Together today for a safe and healthy tomorrow”.  pp 23.

  10. Printhajini, P. and Arasaratnam, V. (2020).  Resistant Starch Contents of Selected Rice (L.) Varieties Oryza sativa of Sri Lanka.  6th International Conference on Dry Zone Agriculture (ICDA 2020) “Resilient Agriculture to Cope with Unforeseen Crisis” 3rd – 4th December 2020, Faculty of Agriculture, University of Jaffna, Sri Lanka.  pp48.

  11. Vijayakumar, T., Balakumar, S., Thileepan, T., Suganthan, N., Thiyahini, S.N. and Coonghe, P.D.D. (2020).  Evaluation of hepatotoxicity of “Sinna Sivappu Maathirai” : a siddha herbo mineral drug, in patients with respiratory diseases who visit Siddha Teaching Hospital, Kaithady, Jaffna. National Science and Technology Commission.9th Symposium 13th November 2020, pp. 245.   

  12. Printhajini, P. and Arasaratnam, V. (2020).  Effect of Different Processing Methods on Resistant Starch Contents of Selected Rice Varieties 6th International Conference on Dry Zone Agriculture (ICDA 2020) “Resilient Agriculture to Cope with Unforeseen Crisis” 3rd – 4th December 2020, Faculty of Agriculture, University of Jaffna, Sri Lanka.  pp 56

  13. Siromiya, A.J.F. and Arasaratnam, V. (2020).  Comparing the effect of delayed serum separation on creatinine measurement by Jaffe method with Sarcosine oxidase enzymatic method.  Proceedings of the Jaffna Medical Association, Annual Scientific Session-2020.  Health Challenges beyond 2020-educate and engage. Hotel Valampuri, Jaffna, Sri Lanka, 30th, September 2020. 71.

  14. Kandeepan, K., Balakumar, S. and Arasaratnam, V. (2019). Dietary pattern and nutritional deficiencies among children in Jaffna District, Sri Lanka.  Proceedings of the International Conference on Agriculture and Food Security-2019. Inquest of Innovative Agriculture, Post-Harvest and Food Processing Technologies for Sustaining Food Security. Global Towers Hotel, Colombo, Sri Lanka, 18th – 9th, August 2019. 25.

  15. Shangeetha, G., Julids, K. J., Balakumar, S., Kandeepan, K. and Arasaratnam, V. (2019). Metabolic derangements among sub-fertile women seeking medical advice at teaching hospital Jaffna.  Proceedings of the 26th Annual Sessions of the Jaffna Science Association.  31st July, 1st to 2nd August 2019. 26(1): 42.

  16. Sivasuthan, K., Kirishanthy, B., Balakumar, S., Kandeepan, K. and Arasaratnam, V. (2019).  Nutritional status of preschool children in Vadamaradchi Zone of Jaffna District.  Proceedings of the 26th Annual Sessions of the Jaffna Science Association.  31st July, 1st to 2nd August 2019. 26(1): 44.

  17. Jeyaganeshan, N., Kenaka, T., Kandeepan, K., Balakumar, S. and Arasaratnam, V. (2019).  Prevalence of central obesity and its associated metabolic parameters of adolescents in Vadamaradchi educational Zonal division.  Proceedings of the 26th Annual Sessions of the Jaffna Science Association.  31st July, 1st to 2nd August 2019. 26(1): 46.

  18. Kandeepan, K., Sivansuthan, S., Balakumar, S. and Arasaratnam, V. (2018). Nutritional status and caloric consumption of children from communities in urban division of Jaffna Divisional Secretariat Area: A post war context of Sri Lanka.  Proceedings of the International Symposium on Understanding Double Burden of Malnutrition for Effective Intervention – 2018. Organised by IAEA, Vienna, Austria. 10-13th, December 2018.  Contribution ID 11.

  19. Sivaranjani, S., Arasaratnam, V., Satheean, B., Gunathilake, M. and Kandeepan, K. (2018).  Patterns of Complexity of urinary stone disease based on anatomical sites and stone number: A study conducted among the patients who underwent surgical intervention at Genitourinary Surgical Unit, Teaching Hospital, Jaffna.  Beyond Boarders Towards Excellence.  Proceedings of the International Conference on Health-2018.  7th – 8th October, 2018.  Pp.86.

  20. Sasrubi, S., Arasaratnam, V., Sathiadas, M. G. and Surendrakumaran, R. (2018).  Preterm birth and neurodevelopment: Comparison of cognitive, language and motor scales using Bayleys Scale of Toddler and Infant Development III.  Proceedings of Sri Lanka Association for Young Scientists Open Forum.  Pp. 50.

  21. Tharsikayini, A., Arasaratnam, V. and Kandeepan, K. (2018).  Effects of different preservation methods on pH, glucose and protein in urine. Towards a Safer Future.  Proceedings of the 4th Jaffna University International Research Conference-JUICe-2018.  27th – 28th September, 2018.  Eds. Thuraisamy Sarma, S. and Thabotharan, K. 107.-109.

  22. Shankary, S., Arasaratnam, V. and Kandeepan, K. (2018).  Effect of storage time, temperature and repeated freezing and thawing on serum total bilirubin. Towards a Safer Future.  Proceedings of the 4th Jaffna University International Research Conference-JUICe-2018.  27th – 28th September, 2018.  Eds. Thuraisamy Sarma, S. and Thabotharan, K. 110.-112.

  23. Sasrubi, S., Arasaratnam, V., Sathiadas, M. G. and Surendrakumaran, R. (2018).  Developmental outcome  of the preterm babies born in a tertiary care unit, Jaffna, Sri Lanka, during first year of life by using Bayley scales of infants and toddler development.  Towards a Safer Future.  Proceedings of the 4th Jaffna University International Research Conference-JUICe-2018.  27th – 28th September, 2018.  Eds. Thuraisamy Sarma, S. and Thabotharan, K. 116.-117.

  24. Sivaranjani, S., Arasaratnam, V., Satheean, B., Gunathilake, M. and Kandeepan, K. (2018).  Urinary Calculi in Northern Province, Sri Lanka: A descriptive cross-sectional study conducted at Teaching Hospital Jaffna among the patients underwent surgical interventions for urinary calculi.  Towards a Safer Future.  Proceedings of the 4th Jaffna University International Research Conference-JUICe-2018.  27th – 28th September, 2018.  Eds. Thuraisamy Sarma, S. and Thabotharan, K. 118.-120.

  25. Ruwanpathirana, R. P. E., Kandeepan, K. and Arasaratnam, V. (2018).  Effect of fasting plasma glucose on serum creatinine, urinary creatinine and urinary microalbumin in type 2 diabetics.  Towards a Safer Future.  Proceedings of the 4th Jaffna University International Research Conference-JUICe-2018.  27th – 28th September, 2018.  Eds. Thuraisamy Sarma, S. and Thabotharan, K. 121.-125.

  26. Ruwanpathirana, R. P. E., Kandeepan, K. and Arasaratnam, V. (2018).  Effect of type 2 diabetes mellitus on fasting plasma glucose on serum creatinine, urinary creatinine and urinary microalbumin in type 2 diabetics attending to Diabetic Centre at Teaching Hospital Jaffna.  Towards a Safer Future.  Proceedings of the 4th Jaffna University International Research Conference-JUICe-2018.  27th – 28th September, 2018.  Eds. Thuraisamy Sarma, S. and Thabotharan, K. 126.-131.

  27. Ghobika, R., Dilusha, K., Dineshkumar, T., Chandricca, A., Dissanayake, D.M.C.N., Safa, S. F., Fernando, W.J.K.S., Hassan, M.H.M.S., Chinthana, V.D.N.I., Galagoda, O.B., Gamage, K.G.P.M., Gowrishankar, K., Harrihaam, Y., Ihran, S.M., Nuskiya, N.L.F., Kandeepan, K., Sivansuthan, S., Balakumar, S. and Arasaratnam, V. (2018).  A descriptive study on the relationship between selected physiological parameters and visceral adiposity index among non-diabetic hypertensive patients attending Medical Clinic, Teaching Hospital, Jaffna.  Proceedings of the Undergraduate Research Symposium – 2018. Abstracts of Research Papers, Faculty of Medicine, University of Jaffna. 7th, August 2018.  pp. 4.

  28. Arulini, R., Abinaya, A. A., Arulbavan, S., Aravinthan, S., Ahamed, A.F., Amarasinghe, A.A.D.R., Asna, N.F., Damayanthi, J.S., Farhana, M. K. S., Majuri, S., Daliya, N.K.F., Amarasinhe, K.M.F., Arunaa, S., Atchuthai, S., Babeitha, B., Kandeepan, K., Sivansuthan, S., Balakumar, S. and Arasaratnam, V. (2018).  A descriptive study on the relationship between visceral adiposity index and lipid profile and CRP levels among non-diabetic hypertensive patients attending Medical Clinic, Teaching Hospital, Jaffna.  Proceedings of the Undergraduate Research Symposium – 2018. Abstracts of Research Papers, Faculty of Medicine, University of Jaffna. 7th, August 2018.  pp. 15.

  29. Ruwanpathirana, R. P. F., Kandeepan, K. and Arasaratnam, V. (2018).  Effect of type 2 diabetes mellitus duration on blood glucose, serum creatinine and urinary albumin: a cross section study on patients attending Diabetic Centre, Teaching Hospital, Jaffna.  Proceedings of the Undergraduate Research Symposium – 2018. Abstracts of Research Papers, Faculty of Medicine, University of Jaffna. 7th, August 2018.  pp. 21.

  30. Vethuja, J., Kandeepan, K., Balakumar, S.  Arasaratnam, V. and Muhunthan, K. (2018).  Assessment of iron deficiency and red cell indices of anaemic pregnant women attending antenatal Clinic, Teaching Hospital, Jaffna.  Proceedings of the Undergraduate Research Symposium – 2018. Abstracts of Research Papers, Faculty of Medicine, University of Jaffna. 7th, August 2018.  pp. 73.

  31. Sasrubi, S., Balakumar and Arasaratnam, V. (2018).  Relationship between anthropometric measurements and duty pattern of married Tamil nursing officers working at Teaching Hospital, Jaffna.  Proceedings of the Undergraduate Research Symposium – 2018. Abstracts of Research Papers, Faculty of Medicine, University of Jaffna. 7th, August 2018.  Pp. 74.

  32. Thanuja, T., Rushan, R., Sivaram, S., Suvethini, L., Kandeepan, K., Sivansuthan, S., Balakumar, S. and Arasaratnam, V. (2018).  Comparison of paleo diets formulated from foods available in Jaffna with modern diets on plasma glucose and serum insulin levels.  Proceedings of the Undergraduate Research Symposium – 2018. Abstracts of Research Papers, Faculty of Medicine, University of Jaffna. 7th, August 2018.  pp. 75.

  33. Safwaan, M. N., Piraveen, A., Ragumathan, A., Saranya, S., Sobitha, S. Supanchana, P., Sameera, H. U., Thahira, T. H., Thurcika, T. S., Ubenthira, P., Kandeepan, K., Sivansuthan, S., Balakumar, S. and Arasaratnam, V. (2018).  Glucose and insulin levels in healthy.  Proceedings of the Undergraduate Research Symposium – 2018. Abstracts of Research Papers, Faculty of Medicine, University of Jaffna. 7th, August 2018.  pp. 77.

  34. Sasrubi, S., Arasaratnam, V., Sathiadas, M.G. and Surendrakumar, R. (2018).  Association between risk factors and Developmental outcome of preterm babies at 12 and 18 months of age born at Teaching Hospital, Jaffna.  Proceedings of the Jaffna Medical Association, Annual Scientific Sessions, 2018. 2nd to 4th, August 2018.  pp. 49.

  35. Sasrubi, S., Arasaratnam, V., Sathiadas, M.G. and Surendrakumar, R. (2018).  Influence of gestational age on birth profile of preterm babies born in Teaching Hospital, Jaffna.  Proceedings of the 25th Annual Sessions of the Jaffna Science Association. 8th to 10th, May 2018.  25(1): 18.

  36. Sasrubi, S., Arasaratnam, V., Sathiadas, M.G. and Surendrakumar, R. (2018).  Maternal socio-demographic, economic factors and previous history of pregnancy outcome contributing to preterm birth occurring at tertiary care unit, Jaffna, Sri Lanka.  ‘Exploring Nurses’ Role towards Better Health Care’ Proceedings of the International Nursing Congress-2018, 6th and 7th April, 2018. pp. 54.

  37. Kumutharanjan, T., Sivaganesan, R. and Arasaratnam, V. (2018).  Finding the antioxidant activity in aqueous extracts of powder of Murraya koenigi at room temperature by using ferric reduction method.  Healthy Soul and Body through Nature, 1st International Conference and Exhibition on Siddha Medicine-2018 (CESM-2018), 23rd to 27th February, 2018. pp. 111.

  38. Yoganathan, T., Arasaratnam, V. and Hettiarachchi, M. (2018).  Maternal Urinary Iodine status and its relationship to new-born’s thyroid status in selected MOH divisions of Jaffna district.  Abstracts of the 5th Ruhuna International Science & Technology Conference of University of Ruhuna, Matara, Sri Lanka, 2018 (RISTCON-2018), 15th February, 2018. pp. 97.

  39. Kandeepan, K., Balakumar, S. and Arasaratnam, V. (2018).  Nutritional status of children identified poor communities in Jaffna divisional secretariat area. Edited By: Terrence Madhujith.  ‘Investing in Nutrition: for Economic Prosperity, Annual Scientifics Sessions of the Nutrition Society of Sri Lanka.  27h – 28th January, 2018. Hotel Galadari, Colombo. pp. 17.

  40. Kumutharanjan, T., Sivaganesan, R. and Arasaratnam, V. (2017).  Hypolipidemic effect of Mathumeha Chooranam in patients with type II diabetes mellitus.  SERB-DBT-CSIR Sponsored International Research Conference on Non-Communicable diseases-2017, 22nd to 24th September, 2017. pp. 28.

  41. Kumutharanjan, T., Sivaganesan, R. and Arasaratnam, V. (2017).  Antioxidant activity in aqueous extracts of powder of Mathumeha Chooranam and its ingredients at room temperature by using ferric reduction method.  2nd International Research Conference-2017 (TRInC-2017), ’Exploring the Resources for Better Tomorrow’, 13th and 14th September, 2017. pp. 41.

  42. Sasrubi, S., Arasaratnam, V., Sathiadas, M.G. and Surendrakumar, R. (2017).  Neurodevelopmental outcome of preterm babies born at teaching hospital Jaffna- A preliminary Study. ’Blurring boarders for better health’ Proceedings of the Jaffna Medical Association Annual Scientific Sesion-2017. pp. 51.

  43. Yoganathan, T., Arasaratnam, V., Hettiarachchi, M. and Liyanage, C. (2017).  Maternal Urinary Iodine Concentration and Usage of Iodized Salt.  Abstracts of the 6th International Conference of Sabragamuwa University of Sri Lanka, 2017 (ICSUSL-2017), “Flourishing Knowledge Beyond Contemporary Paradigms” Sri Lanka, 3rd – 5th May, 2017. pp. 52.

  44. Sahithya, R., Hamzathwany, R., Muhunthan, T., Bruntha, R., Brinthayini, S., Thagchana, S., Kandeepan, K., Balakumar, S. and Arasaratnam, V. (2017).  Nutritional status and associated factors of resettled children under-five years of age in Iyakachchi, Killinochchi. Proceedings of the 24th Annual Sessions of the Jaffna Science Association. 3rd to 5th, May 2017.  24(1): 18.

  45. Hamzathwany, R., Kandeepan, K., Balakumar, S. and Arasaratnam, V. (2017).  Atherogenic Index among over nourished adolescents attending national schools in Jaffna Zonal division. Killinochchi.  Proceedings of the 24th Annual Sessions of the Jaffna Science Association. 3rd to 5th, May 2017.  24(1): 19.

  46. Sahithya, R., Sunthralingam, S., Kandeepan, K., Balakumar, S. and Arasaratnam, V. (2017).  Prevalence of overweight and obesity and its influencing factors among adolescents in Jaffna Educational Zonal schools: A cross sectional study.  Proceedings of the 24th Annual Sessions of the Jaffna Science Association. 3rd to 5th, May 2017.  24(1): 20.

  47. Kumutharanjan, T., Sivaganesan, R. and Arasaratnam, V. (2017).  Hypoglycaemic and hypolipidemic effect of the Siddha Medical preparation Mathumeha chooranam in patients with Type II diabetes mellitus.  5th International Conference on ‘Contemporary Engineering and Technology-2017 (ICCET-2017), 24-25th March2017. pp. 64.

  48. Kandeepan, K., Kanagasabai, S., Balakumar, S. and Arasaratnam, V. (2017).  Complementary feeding practices among children aged between 12 and 35 months in Jaffna, Sri Lanka. Edited By: Terrence Madhujith.  ‘Science in Nutrition: Back to basics, Annual Scientifics Sessions of the Nutrition Society of Sri Lanka.  28th – 29th January, 2017. Oak Ray Regency, Kandy. pp. 5.

  49. Kumutharanjan, T., Sivaganesan, R. and Arasaratnam, V. (2017).  Serum antioxidant activity of ‘Mathumeha Chooranam (MMC)’ on diabetes mellitus Type II.  ‘Towards Healthy Life with Nature’ National Research Conference and Exhibition on Indigenous Medicine (NRCEIM), 27-29th January 2017. pp. 64.

  50. Thilagewary, K., Sivaganesan, R. and Vasanthy, A. (2016).  DPPH Radical Scavenging activity of Mathumeha Chooranam used in diabetes mellitus type II stored for six months in different storage condition.  ‘Indigenous Knowledge for Health Challenge’ International Conference on Ayurveda, Unani, Siddha and Traditional Medicine (4th ICAUST 2016), 16th December 2016. pp. 109.

  51. Kumutharanjan, T., Sivaganesan, R. and Arasaratnam, V. (2016).  Efficacy of the Siddha medicinal preparation ‘Mathumeha chooranam’ in patients with diabetes mellitus.  ‘Youth and Social Transformation’ The Power, Opportunities and Challenges.  Annual Research Symposium, National Centre for Advanced Studies in Humanities & Social Sciences, Sri Lanka (NCAS), 17-18 November 2016. pp. 13-14.

  52. Kumutharanjan, T., Sivaganesan, R. and Arasaratnam, V. (2016).  Antioxidant activity of aqueous extracts of leaf of  Gymnema sylvestre stored for six months at room temperature and 4oC using 1,1-diphenyl-2-picrylhydrazyl (DPPH) assay.  ‘Emerging Knowledge for Sustainable Regional Development’ (TRinCo-2016).  14th – 15th September, 2016. Trincomalee Campus, Eastern University, Sri Lanka, Konesapuri, Nilaveli, Sri Lanka. pp. 69.

  53. Yoganathan, T., Arasaratnam, V., Hettiarachchi, M. and Liyanage, C. (2016).  Maternal dietary behaviours among mothers in Jaffna district, Sri Lanka.  Proceedings of the 9th International Conference, General Sir John Kotelawala Defence University, Sri Lanka, 8th – 9th September, 2016. pp. 177.

  54. Yoganathan, T., Arasaratnam, V., Hettiarachchi, M. and Liyanage, C. (2016).  Iodine Status and its association with knowledge and practice on consumption of iodized salt among pregnant mothers in Jaffna district in Sri Lanka.  Proceedings of the Wayamba University International Conference, Sri Lanka, 19th – 20th August, 2016. pp. 186.

  55. Kumutharanjan, T., Sivaganesan, R. and Arasaratnam, V. (2016).  Antioxidant activity of aqueous extracts of Murrya koenigii stored for six months at room temperature and 4oC.  ‘Managing Systems from Source to Sink: Current Theroreis and applications’ (WinC-2016).  19th – 20th August, 2016. Wayamba University of Sri Lanka, Kuliyapittiya, Sri Lanka. Theme 4.

  56. Kandeepan, K., Kanagasabai, S., Balakumar, S. and Arasaratnam, V. (2016).  Prevalence of anaemia and nutritional status of adolescent students in Tellipalai Medical Officer of Health (MOH) area, Jaffna.  ‘Towards a Greener Future, Jaffna University International Conference (JUICE-2016).  12th – 13th August, 2016. pp. 66-67.

  57. Kumutharanjan, T., Sivaganesan, R. and Arasaratnam, V. (2016).  Antioxidant activity of aqueous extracts of Terminalia chebula stored for six months at room temperature and 4oC using 1, 1 diphenyl-2-picrylhydrazyl (DPPH) assay.  ‘Towards a Greener Future, Jaffna University International Conference (JUICE-2016).  12th – 13th August, 2016. pp.64.

  58. Kumutharanjan, T., Sivaganesan, R. and Arasaratnam, V. (2016).  Antioxidant activity in aqueous extracts of fruits of Phyllanthus emblica stored for six months in different storage conditions.  Proceedings of the 23rd Annual Sessions of the Jaffna Science Association.  4th to 6th May 2016. pp. 19.

  59. Kumutharanjan, T., Sivaganesan, R. and Arasaratnam, V. (2016).  Antioxidant activity in aqueous extracts of Mathumeha Chooranam stored for six months at room temperature and at 4oC.  Fostering Knowledge through Integration. 4th International Conference, Eastern University, Sri Lanka.  10th & 11th March 2016. pp. 29.

  60. Kandeepan, K., Balakumar, S. and Arasaratnam, V. (2016).  Wealth inequality of the households: is it an influencing factor on nutritional status of children in Jaffna District.  ‘Nutritional well-being through behaviour change’, Nutritional Society of Sri Lanka, Annual Scientific Sessions.  23rd – 24th November, 2016. pp. 14.

  61. Kumutharanjan, T., Sivaganesan, R. and Arasaratnam, V. (2016). Effect of Storage Temperature on the phenolic Content and antioxidant capacity of Phyllanthus emblica fruits.  ‘Engineering Social Transformation through Research & Development’. National Centre for Advanced Studies in Humanities and Social Sciences, Sri Lanka. pp. 58.

  62. Kandeepan, K., Kanagasabai, S., Balakumar, S. and Arasaratnam (2016).  Prevalence of Anaemia and nutritional status of adolescent students in Tellipalali Medical Officer of Health (MOH) area, Jaffna.  Proceedings of the 23rd Annual Sessions of the Jaffna Science Association.  4th to 6th May 2016. pp. 66.

  63. Mahendirarajah, D., Nithiyanantharajah, K., Balakumar, S. and Arasaratnam, V. (2012).    Selection of starch hydrolysing enzymes by the fungal strains isolated from contaminated raw and dried palmyrah tubers (Odiyal). Proceedings of the 19th Annual Sessions of the Jaffna Science Association.19(1): pp22.

  64. Sasikaran, S., Sritharan, K., Balakumar, S. and Arasaratnam, V. (2012).    Physico-Chemical analysis of bottled water available in Jaffna Penninsula. Proceedings of the 19th Annual Sessions of the Jaffna Science Association.19(1): pp23.

  65. Anpalagan, V.C., Balakumar, S. and Arasaratnam, V. (2012).    Optimization of culture conditions to yield high alkaline protease titre. Proceedings of the 19th Annual Sessions of the Jaffna Science Association.19(1): pp33.

  66. Anpalagan, V.C., Balakumar, S. and Arasaratnam, V. (2012).    Characterization of thermostable alkaline protease producing bacterial strain. Proceedings of the 19th Annual Sessions of the Jaffna Science Association.19(1): pp34.

  67. Suntharalingam, G., Sutharsan, M., Kandeepan, K., Balakumar, S. and Arasaratnam, V. (2012).  Nutritional status of vegetarian adolescents aged 16-19 years from national and provisional schools in Jaffna Zonal Division of Education. Proceedings of the 19th Annual Sessions of the Jaffna Science Association.19(1): pp35.

  68. Kandeepan, K., Balakumar, S. and Arasaratnam, V. (2012).  Nutritional status of children aged 1-5 years in Chavakachcheri Medical Officer of Health (MOH) area. Proceedings of the 19th Annual Sessions of the Jaffna Science Association.19(1): pp36.

  69. Shanmugaratnam, L., Thayaananthan, K., Kandeepan, K., Balakumar, S. and Arasaratnam, V. (2012).  Trends in intake of fruits and vegetables by G.C.E. (A/L) students in Jaffna Zonal schools. Proceedings of the 19th Annual Sessions of the Jaffna Science Association.19(1): pp37.

  70. Mugunthan, T., Nitharshan, T., Sritharan, K., Nithiyanantharajah, K., Kandeepan, K., Balakumar, S. and Arasaratnam, V. (2012).  Alteration of selected biochemical parameters in thin adolescents in G.C.E. (A/L) students of National and Provincial schools in Jaffna Educational Zone. Proceedings of the 19th Annual Sessions of the Jaffna Science Association.19(1): pp38.

  71. Bright, B. P., Balakumar, S., Kandeepan, K., Arasaratnam, V., Kumanan, T. and Sutharsan, M. (2012).  Impact of socio-economic and socio-demographic factors on the nutritional status among G.C.E. (A/L) students in Jaffna Zonal Schools. Proceedings of the 19th Annual Sessions of the Jaffna Science Association.19(1): pp39.

  72. Sahithya, R., Kandeepan, K., Balakumar, S., Arasaratnam, V. and Kumanan, T. (2012).  Prevalence of anaemia among the G. C. E. (A/L) students of National and Provincial Schools in Jaffna Educational Zone. Proceedings of the 19th Annual Sessions of the Jaffna Science Association.19(1): pp40.

  73. Sanfar, A. N. M., Nithiyanantharajah, N., Sivarathy, A., Balakumar, S. and Arasaratnam, V. (2012).    Proximate composition of nutrients in dishes commonly served by the canteen at Faculty of Medicine, University of Jaffna. Proceedings of the 19th Annual Sessions of the Jaffna Science Association.19(1): pp42.

  74. Siddiqa, M., Sutharsan, M., KAndeepan, K., Balakumar, S. and Arasaratnam, V. (2012).  Evaluation of the nutritional status of female students aged 16-19 years in the JafnaZonal schools. Proceedings of the 19th Annual Sessions of the Jaffna Science Association.19(1): pp43.

  75. Thiluxie, S., Thayaananthan, K., Balakumar, S. and Arasaratnam, V. (2012).  Influence of smoking and alcoholism on predictors of metabolic syndrome. Proceedings of the 19th Annual Sessions of the Jaffna Science Association.19(1): pp45.

  76. Vinitharan, V., Balakumar, S., Arasaratnam, V. and Muhunthan, K. (2012).  A comparison of the prevalence of the metabolic syndrome using three proposed definitions. Proceedings of the 19th Annual Sessions of the Jaffna Science Association.19(1): pp46.

  77. Vinitharan, V., Balakumar, S., Sivarathy A., Arasaratnam, V. and Muhunthan, K. (2012).  Prevalence of metabolic syndrome among adults aged 20 to 69 years in Kopay Divisional Secretariat Division. Proceedings of the 19th Annual Sessions of the Jaffna Science Association. 19(1): pp 47.

  78. Pirasath, S., Balakumar, S., Thayaananthan, K. and Arasaratnam, V. (2011). Do traditional foods help to decrease glycaemic Index? Transforming Health Care Forum of British Medical Journal Group, Evidence Based Medicine Centre, British Medical Association & University of Oxford-25th and 26th October 2011.

  79. Pirasath, S., Balakumar, S., Thayaananthan, K. and Arasaratnam, V. (2011). Glycaemic Index is altered with mixed meals. Proceedings of the Annual Scientific Academic Sessions of Jaffna Lanka Medical Association. pp -18.

  80. Pirasath, S., Balakumar, S., Thayaananthan, K. and Arasaratnam, V. (2011). Soluble fiber rich diets decrease the glycemic indices.  Public Health Forum, Proceedings of the 15th Annual Sessions of College of Community Physicians of Sri Lanka. pp24.

  81. Pirasath, S., Balakumar, S., Thayaananthan, K. and Arasaratnam, V. (2011). Glycaemic Index values of locally available foods in Jaffna. Proceedings of the 124th Annual Scientific Sessions of Sri Lanka Medical Association. pp -36.

  82. Sayanthan, B., Arudselvan, A., Sivarajah, N., Surenthirakumaran, R. and Balakumar, S. (2011) . Study of factors influcing the admission tothe home for the elders at Kaithady. Annual Academic Sessions of the Jaffna Medical Association, November 5 – 6.

  83. Pirasath, S., Balakumar, S. and Arasaratnam, V. (2011). Do traditional foods help to decrease the glycaemic index? Proceedings of the 39th Annual Scientific Sessions of Batticaloa Medical Association. pp 32-33.

  84. Pirasath, S., Thayaananthan, K., Balakumar, S. and Arasaratnam, V. (2011). Glycaemic indices of selected food items from Jaffna. Proceedings of the 44th Annual Scientific Sessions of Ceylon College of Physicians. pp 61-62.

  85. Pirasath, S., Thayaananthan, K., Balakumar, S. and Arasaratnam, V. (2011). Soluble fiber rich diets decrease the glycaemic indices. Public Health Forum, Proceedings of the 15th Annual Scientific Sessions of College of Community Physicians of Sri Lanka. pp 24.

  86. Vaseekaran, S., Balakumar, S. and Arasaratnam, V. (2011).  Optimization of medium for better a-amylase production. Proceedings of the 18th Annual Sessions of the Jaffna Science Association. 18(1): pp 11.

  87. Vaseekaran, S., Balakumar, S. and Arasaratnam, V. (2011).  Effect of replacement of analar grade salts with locally available substances on a-amylase production. Proceedings of the 18th Annual Sessions of the Jaffna Science Association. 18(1): pp 12.

  88. Vaseekaran, S., Balakumar, S. and Arasaratnam, V. (2011).  Optimization of inoculum for a-amylase production by locally isolated Bacillus licheniformis. Proceedings of the 18th Annual Sessions of the Jaffna Science Association. 18(1): pp 13.

  89. Jesuthasan, S., Balakumar, S. and Arasaratnam, V. (2011).  Improvement of xylanase production by Bacillus pumilus under submerged fermentation. Proceedings of the 18th Annual Sessions of the Jaffna Science Association. 18(1): pp 14.

  90. Jesuthasan, S., Balakumar, S. and Arasaratnam, V. (2011).  Purification and characterization of the xylanase from Bacillus pumilus. Proceedings of the 18th Annual Sessions of the Jaffna Science Association. 18(1): pp 16.

  91. Jesuthasan, S., Balakumar, S. and Arasaratnam, V. (2011).  Improvement of xylanase production by Bacillus pumilus under submerged fermentation. Proceedings of the 18th Annual Sessions of the Jaffna Science Association. 18(1): pp 14.

  92. Kandeepan, K., Balakumar, S. And Arasaratnam, V. (2011).  Prevalence of malnutrition among children aged 1 to 5 years in Point Pedro in Jaffna District.  Proceedings of the Scientific Sessions of the Nutrition Society of Sri Lanka 2011. Medical Research Institute, Colombo. 22nd January, 2011.  pp. 10.

  93. Kandeepan, K., Balakumar, S. and Arasaratnam, V. (2011).  Prevalence of malnutrition among children aged 1 to 5 years in Point Pedro in Jaffna District.  Proceedings of the Scientific Sessions of the Nutrition Society of Sri Lanka 2011. Medical Research Institute, Colombo. 22nd January, 2011.  pp. 10.

  94. Kandeepan, K., Balakumar, S. and Arasaratnam, V. (2010).  A study on malnutrition and associated factors among  children aged 1 to 5 years in Jafffna district.  Anchor Institute Research Review, 2010. Fonterra Brands Lanka (pvt) Ltd, Colombo. 6th December, 2010.

  95. Vaseekaran, S., Balakumar, S. and Arasaratnam, V. (2010).  Optimization of culture conditions for a-amylase production by Bacillus licheniformis. Proceedings of the Abstracts of Annual Research Conference (ARC-2010) of the University of Jaffna. 15th November, 2010. Ed. B. Nimalathasan, University of Jaffna, Jaffna. pp 24.

  96. Jesuthasan, S., Balakumar, S. and Arasaratnam, V. (2010).  Investigation on the factors affecting the activity of xylanase from Bacillus pmilus. Proceedings of the Abstracts of Annual Research Conference (ARC-2010) of the University of Jaffna. 15th November, 2010. Ed. B. Nimalathasan, University of Jaffna, Jaffna. pp 51.

  97. Vijayaratnam, J., Nithiyanantharajah, K., Vasantharuba, S., Balakumar, S. and Arasaratnam, V. (2010).  Preliminary studies to increase the ethanol content in wine from grapes available in Jaffna Peninsula. Proceedings of the 17th Annual Sessions of the Jaffna Science Association. 17(1): pp 13.

  98. Vijayaratnam, J., Nithiyanantharajah, K., Vasantharuba, S., Balakumar, S. and Arasaratnam, V. (2010).  Supplementation of nitrogen sources to grapes extract to improve ethanol production. Proceedings of the 17th Annual Sessions of the Jaffna Science Association. 17(1): pp 14.

  99. Vijayaratnam, J., Nithiyanantharajah, K., Vasantharuba, S., Balakumar, S. and Arasaratnam, V. (2010).  Increasing the ethanol content of wine by fed-batch process. Proceedings of the 17th Annual Sessions of the Jaffna Science Association. 17(1): pp 15.

  100. Vinayagamoorthy, V., Thayananthan, K., Vasantharuba, S., Balakumar, S. and Arasaratnam, V. (2010).  Nutrient content of palmyrah root tuber preparations from different areas of Jaffna Peninsula. Proceedings of the 17th Annual Sessions of the Jaffna Science Association. 17(1): pp 16.

  101. Vinayagamoorthy, V., Thayaananthan, K., Vasantharuba, S., Balakumar, S. and Arasaratnam, V. (2010).  Antimicrobial effect of Palmyrah root tuber from different areas of Jaffna Peninsula. Proceedings of the 17th Annual Sessions of the Jaffna Science Association. 17(1): pp 17.

  102. Vinayagamoorthy, V., Thayaananthan, K., Vasantharuba, S., Balakumar, S. and Arasaratnam, V. (2010).  Hydrolysis of starch in palmyrah root tuber preparations. Proceedings of the 17th Annual Sessions of the Jaffna Science Association. 17(1): pp 18.

  103. Ponnampalam, B., Sritharan, K., Vasantharuba, S., Balakumar, S. and Arasaratnam, V. (2010).  Analysis of the constituent of ice creams sold in Jaffna Municipality area. Proceedings of the 17th Annual Sessions of the Jaffna Science Association. 17(1): pp 19.

  104. Ponnampalam, B., Sritharan, K., Vasantharuba, S., Balakumar, S. and Arasaratnam, V. (2010).  Microbial analysis of ice creams sold in Jaffna Municipality area. Proceedings of the 17th Annual Sessions of the Jaffna Science Association. 17(1): pp 20.

  105. Vaseekaran, S., Balakumar, S. and Arasaratnam, V. (2010).  Preliminary studies on the isolation and selection of bacterial strains to produce thermo-active a-amylase. Proceedings of the 17th Annual Sessions of the Jaffna Science Association. 17(1): pp 22.

  106. Anpalagan, V. C., Balakumar, S. and Arasaratnam, V. (2010).  Isolation and selection of thermo-stable alkaline protease producing bacterial strains. Proceedings of the 17th Annual Sessions of the Jaffna Science Association. 17(1): pp 23.

  107. Jesuthasan, S., Balakumar, S. and Arasaratnam, V. (2010).  Isolation and selection of thermo-stable alkaline xylanase producing bacteria from corn cob decaying soil. Proceedings of the 17th Annual Sessions of the Jaffna Science Association. 17(1): pp 24.

  108. Jesuthasan, S., Balakumar, S. and Arasaratnam, V. (2010).  Kinetic studies of the alkaline thermostable xylanases from selected bacterial strain. Proceedings of the 17th Annual Sessions of the Jaffna Science Association. 17(1): pp 25.

  109. Vaseekaran, S., Balakumar, S. and Arasaratnam, V. (2010).  Kinetic properties of the a-amylases produced by the locally isolated bacterial strains. Proceedings of the 17th Annual Sessions of the Jaffna Science Association. 17(1): pp 26.

  110. Anpalagan, V. C., Balakumar, S. and Arasaratnam, V. (2010).  Identification of a best thermostable alkaline protease producing bacterial strain. Proceedings of the 17th Annual Sessions of the Jaffna Science Association. 17(1): pp 27.

  111. Vengadaramana, A., Balakumar, S. and Vasanthy Arasaratnam (2009). Single step purification of a-amylase produced by Bacillus licheniformis ATCC 6346 using DEAE-Sepharose.  International Conference on Frontiers in Molecular Life Sciences.  16th – 18th September 2009, Colombo, Sri Lanka. Pp. 49.

  112. Pirasath, S., Thayaananthan, K., Balakumar, S., Sivarajah, N. and Arasaratnam, V. (2009).  Glycemic index is altered with combined food items. Proceedings of the 42nd Annual Academic sessions, Ceylon College of Physicians, 24th – 26th September, 2009, Ed. Gunatilake, S.B. and Wijesiriwardena, B. pp.  50.

  113. Pirasath, S., Thayaananthan, K., Balakumar, S., Sivarajah, N. and Arasaratnam, V. (2009).  Including curries to basic foods alter the glycemic indices. Proceedings of the Annual Scientific Sessions, Batticaloa Medical Association, 3rd – 5th July, 2009, pp.  27.

  114. Kapilan, R. and Arasaratnam, V. (2009).  Kinetic studies of the purified xylanase from Bacillus pumilus. Proceedings of the 16th Annual Sessions of the Jaffna Science Association. 16(1): pp 21.

  115. Kapilan, R. and Arasaratnam, V. (2009).  Purification of alkaline xylanase produced by thermophilic Bacillus pumilus. Proceedings of the 16th Annual Sessions of the Jaffna Science Association. 16(1): pp 22.

  116. Pirasath, S., Thayaananthan, K., Balakumar, S., Sivarajah, N. and Arasaratnam, V. (2008).  Including curries to basic foods alter the glycemic indices. Proceedings of the Annual Research Symposium, University of Colombo, October, 2008, Ed. Selvakumaran, N., Constantine, G. R., De Silva, D., Randeniya, P., Olupeliyawa, A. and Wijesinghe, M. pp.  64 – 65.

  117. Rajendran, B., Sritharan, K. Vasantharuba, S., Balakumar, S. and Arasaratnam, V. (2008). Evaluation of the microbial and coliform contamination during dry and rainy seasons in water samples collected from some selected schools. Proceedings of the 15th Annual Sessions of the Jaffna Science Association. 14: 38.

  118. Rajendran, B., Sritharan, K. Vasantharuba, S., Balakumar, S. and Arasaratnam, V. (2008). Evaluation of the microbial and coliform contamination during dry and rainy seasons in water samples collected from some selected markets. Proceedings of the 15th Annual Sessions of the Jaffna Science Association. 14: 39.

  119. Rajendran, B., Sritharan, K. Vasantharuba, S., Balakumar, S. and Arasaratnam, V.  (2008). Evaluation of the microbial and coliform contamination during dry and rainy seasons in water samples collected from some selected hospitals. Proceedings of the 15th Annual Sessions of the Jaffna Science Association. 14: 40.

  120. Veluppillai, S., Nithiyanantharajah, K., Balakumar, S. and Arasaratnam, V. (2008). Improving the malting of a local variety of rice (Mottaikkaruppan) and analysis of biochemical changes occurring during malting. Proceedings of the 15th Annual Sessions of the Jaffna Science Association. 14: 41.

  121. Veluppillai, S., Nithiyanantharajah, K., Balakumar, S. and Arasaratnam, V. (2008). Production of malted rice wheat bread with good physical and sensory quality. Proceedings of the 15th Annual Sessions of the Jaffna Science Association. 14: 42-43.

  122. Inparuban, K., Nithiyanantharajah, N., Vasantharuba, S., Balakumar, S. and Arasaratnam, V. (2008).  Preliminary studies on the production of baker’s yeast cell mass. Proceedings of the 15th Annual Sessions of the Jaffna Science Association. 14: 44.

  123. Inparuban, K., Nithiyanantharajah, N., Vasantharuba, S., Balakumar, S. and Arasaratnam, V. (2008). Baker’s yeast cell mass production by utilizing locally available resources as carbon and nitrogen sources. Proceedings of the 15th Annual Sessions of the Jaffna Science Association. 14: 45.

  124. Raguparan, P., Thayaananthan, K., Balakumar, S. and Arasaratnam, V. (2008). Determination of the Glycemic indices of plantain varieties, (‘Kathali’, ‘Kappal’ and ‘Itharai’) available in Jaffna. Proceedings of the 15th Annual Sessions of the Jaffna Science Association. 14: 46.

  125. Raguparan, P., Thayaananthan, K., Balakumar, S. and Arasaratnam, V. (2008). Determination of Glycemic index values of locally available foods in Jaffna. Proceedings of the 15th Annual Sessions of the Jaffna Science Association. 14: 47.

  126. Raguparan, P., Thayaananthan, K., Balakumar, S. and Arasaratnam, V. (2008). Determination of the Glycemic index of the Bakery products available in Jaffna.  Proceedings of the 15th Annual Sessions of the Jaffna Science Association. 14: 48.

  127. Raguparan, P., Veluppillai, S., Thayaananthan, K., Nithiyanantharajah, K., Balakumar, S. and Arasaratnam, V. (2008). Comparison of the Glycemic indeces of the wheat flour bread and malted rice – wheat bread. Proceedings of the 15th Annual Sessions of the Jaffna Science Association. 14: 49.

  128. Rajendran, B., Sritharan, K., Vasantharuba, S., Balakumar, S., and Arasaratnam, V. (2008).  Microbial and coliform contamination in the drinking water samples of University of Jaffna during dry and wet seasons.  Proceedings of the 15th Annual Sessions of the Jaffna Science Association. 14: 51.

  129. Anpalagan, V. C., Balakumar, S. and Arasaratnam, V. (2008). Kinetic studies    of the crude alkaline proteases from bacterial strains isolated from dog decaying soil. Proceedings of the 15th Annual Sessions of the Jaffna Science Association. 14: 54.

  130. Kapilan, R. and Arasaratnam, V. (2008).  Optimization of xylanase production by Bacillus pumilus by solid state fermentation using paddy husk as support. Proceedings of the 15th Annual Sessions of the Jaffna Science Association. 14: 55.

  131. Vengadaramana, A., Balakumar, S. and Arasaratnam, V. (2008). Supplementation of amino acids to coconut seed cake to enhance α-amylase production by Bacillus licheniformis ATCC 6346. Proceedings of the 15th Annual Sessions of the Jaffna Science Association. 14: 56-57.

  132. Kapilan, R. and Arasaratnam, V. (2008).  Kinetic studies of the xylanase produced by Bacillus pumilus. Proceedings of the 15th Annual Sessions of the Jaffna Science Association. 14: 58.

  133. Vengadaramana, A., Balakumar, S. and Arasaratnam, V. (2008). Scaling up of α- amylase production by Bacillus licheniformis ATCC 6346 to large laboratory level. Proceedings of the 15th Annual Sessions of the Jaffna Science Association. 14: 59.

  134. Vengadaramana, A., Balakumar, S. and Arasaratnam, V. (2008). Optimization of media compositions to improve α-amylase production by Bacillus licheniformis ATCC 6346. Proceedings of the 15th Annual Sessions of the Jaffna Science Association. 14: 60-61.

  135. Kapilan, R. and Arasaratnam, V. (2007).  Purification of xylanase from Bacillus sp. Using Eudragit S-100.  Proceedings of the 63rd Annual Sessions 3-8 December 2007.  Sri Lanka Association for the Advancement of Science. 63: pp 120-121.

  136. Venkadaramana A., Balakumar, S. and Arasaratnam, V. (2006). The effect of different carbohydrates and amino acids on a-amylase production from Bacillus licheniformis ATCC 6346.  Proceedings of the 14th Annual Sessions of the Jaffna Science Association. 14: 32.

  137. Venkadaramana, A., Balakumar, S. and Arasaratnam, V. (2006). Purification of a-amylase produced by Bacillus licheniformis ATCC 6346.    Proceedings of the 14th Annual Sessions of the Jaffna Science Association. 14: 39.

  138. Kapilan, R. and Arasaratnam, V. (2006). Preliminary studies on the selection of thermostable alkaline xylanase producing bacteria.    Proceedings of the 14th Annual Sessions of the Jaffna Science Association. 14: 42

  139. Venkadaramana, A., Balakumar, S. and Arasaratnam, V. (2006). Production of a-amylase by Bacillus licheniformis ATCC 6346 in fermentor under controlled conditions.    Proceedings of the 14th Annual Sessions of the Jaffna Science Association. 14: 43.

  140. Venkadaramana, A., Balakumar, S. and Arasaratnam, V. (2006). Comparison of kinetic properties of crude and purified a-amylase from Bacillus licheniformis ATCC 6346 with commercial a-amylase from Bacillus licheniformis.    Proceedings of the 14th Annual Sessions of the Jaffna Science Association. 14: 46.

  141. Arasaratnam, V., Thayaananthan, K. and Balakumar, S. (2006). Isolation of a-amylase producing bacteria by gel droplet method.    Proceedings of the 14th Annual Sessions of the Jaffna Science Association. 14: 47.

  142. Senthuran, A., Ketheeswary Nihiyanantharajha and Arasaratnam, V. (2005). Improving naringinase production by Aspergillus niger B13.  Proceedings of the 13th Annual Sessions of the Jaffna Science Association. 13(1): 4.

  143. Kirubaharan, T., Senthuran, A. and Arasaratnam, V. (2005). Optimization of culture conditions for protease production by Bacillus licheniformis M27. Proceedings of the 13th Annual Sessions of the Jaffna Science Association. 13(1): 5.

  144. Senthuran, A., Thayaananthan, K. and Arasaratnam, V. (2005). Increasing a-amylase activity of thermostable enzyme produced by strain BR1.    Proceedings of the 13th Annual Sessions of the Jaffna Science Association. 13(1): 6

  145. Venkadaramana A., Balakumar, S. and Arasaratnam, V. (2005). Effect of different nitrogen sources on a-amylase production from Bacillus licheniformis ATCC 6346.    Proceedings of the 13th Annual Sessions of the Jaffna Science Association. 13(1): 7.

  146. Senthuran, A., Ketheeswary Nihiyanantharajha and Arasaratnam, V. (2005). Purification of naringinase prodced by Aspergillus niger B13.  Proceedings of the 13th Annual Sessions of the Jaffna Science Association. 13(1): 8-9.

  147. Venkadaramana A., Balakumar, S. and Arasaratnam, V. (2005). Influence of metal ions on activity and stability of a-amylase from Bacillus licheniformis ATCC 6346. Proceedings of the 13th Annual Sessions of the Jaffna Science Association. 13(1): 10.

  148. Venkadaramana, A., Senthuran, A. and Arasaratnam, V. (2004). Some preliminary studies on the production and properties of a-amylase from Bacillus licheniformis ATCC 6346.  Proceedings of the 12th Annual Sessions of the Jaffna Science Association. 12(1): 6.

  149. Kanagasingham, M., Senthuran, A. and Arasaratnam, V. (2004). Isolation and characterization of bacterial strain producing xylanase. Proceedings of the 12th Annual Sessions of the Jaffna Science Association. 12(1): 7.

  150. Kanagasingham, M., Senthuran, A. and Arasaratnam, V. (2004). Kinetic studies of xylanase produced by Bacillus pasteuri. Proceedings of the 12th Annual Sessions of the Jaffna Science Association. 12(1): 8.

  151. Kirubaharan, T., Senthuran, A. and Arasaratnam, V. (2004). Improvement of Bacillus licheniformis M27 for protease production. Proceedings of the 12th Annual Sessions of the Jaffna Science Association. 12(1): 9.

  152. Nallathamby, N., Canagaratnam, N., Chandraraja, S., Balasingam, V., Navaratnam, P., Balakumar, S., Senthuran, A. and Arasaratnam, V. (2004). Evaluation of nutritional status of children living in orphanages. Proceedings of the 12th Annual Sessions of the Jaffna Science Association. 12(1): 17.

  153. Arasaratnam, V., Thayaananthan, K. Senthuran, A. and Balasubramaniam, K. (2003). Production of a-amylase from locally isolated thermotolerant bacillus strain. Proceedings of the 11th Annual Sessions of the Jaffna Science Association. 11(1): 9.Navaratnam, P., Nithiyanantharajah, K., Senthuran, A. and Arasaratnam, V. (2003). Preliminary studies on the isolation of naringinase producing fungus. Proceedings of the 11th Annual Sessions of the Jaffna Science Association. 11(1): 10.

  154. Kanagasingham, M., Navaratnam, P., Senthuran, A. and Arasaratnam, V. (2003). Preliminary studies on the isolation of xylanase producing bacteria and kinetic studies of the enzyme. Proceedings of the 11th Annual Sessions of the Jaffna Science Association. 11(1): 11.

  155. Kirubaharan, T., Senthuran, A. and Arasaratnam, V. (2003).  Selection and improvement of a bacterial strain for protease production. Proceedings of the 11th Annual Sessions of the Jaffna Science Association. 11(1): 12.

  156. Thurairetnam, S., Senthuran, A. and Arasaratnam, V. (2003). Preliminary studies on ethanol production by simultaneous saccharification and fermentation. Proceedings of the 11th Annual Sessions of the Jaffna Science Association. 11(1): 13.

  157. Thurairetnam, S., Senthuran, A. and Arasaratnam, V. (2003). Production of ethanol by simultaneous saccharification and fermentation: Endogenous proteins as nitrogen source from locally available starch based carbon sources. Proceedings of the 11th Annual Sessions of the Jaffna Science Association. 11(1): 16.

  158. Senthuran, A., Balasingam, V., Arasaratnam, V. and Balasubramaniam, K. (2002).  Lactic acid production by Lactobacillus casei from different sources of starch hydrolysates.  Proceedings of the 10th Annual Sessions of the Jaffna Science association.  10(1): 5.

  159. Paramsothy, M., Senthuran, A., Arasaratnam, V. and Balasubramaniam, K. (2002).  Preliminary studies on Saccharomyces cerevisiae cell mass production.  Proceedings of the 10th Annual Sessions of the Jaffna Science association.  10(1): 6.

  160. Maheswarakumar, T., Senthuran, A., Arasaratnam, V. and Balasubramaniam, K. (2002).  Production of a-amylase by Bacillus licheniformis in submerged fermentation.  Proceedings of the 10th Annual Sessions of the Jaffna Science association.  10(1): 7.

  161. Paramsothy, M., Senthuran, A., Arasaratnam, V. and Balasubramaniam, K. (2002).  Saccharomyces cerevisiae biomass production from rice hydrolysate.  Proceedings of the 10th Annual Sessions of the Jaffna Science association.  10(1): 8.*

  162. Arasaratnam, V., Mylvaganam, K., Senthuran, A. and Balasubramaniam, K. (2002).  A study on the stability of glucoamylase from Aspergillus niger 1105 strain at room temperature.  Proceedings of the 10th Annual Sessions of the Jaffna Science association. 10(1): 9.

  163. Nishanthan, T., Mylvaganam, K., Senthuran, A. and Arasaratnam, V. (2002).  Antimicrobial activity of betel leaves.  Proceedings of the 10th Annual Sessions of the Jaffna Science association.  10(1): 10.

  164. Arasaratnam, V., Thayananthan, K., Senthuran, A. and Balasubramaniam, K. (2002).  Isolation of thermostable alpha amylase producing bacteria.  Proceedings of the 10th Annual Sessions of the Jaffna Science association.  10(1): 11.

  165. Jayachakaran, P., Sritharan, K., Senthuran, A. and Arasaratnam, V. (2002).  Antimicrobial activity of different parts of neem tree.  Proceedings of the 10th Annual Sessions of the Jaffna Science association.  10(1): 12.

  166. Kanagsingam, S., Rajadurai, S., Arasaratnam, V. and Senthuran, A. (2002).  Effect of Lantana camara on prevention of cut tuber decay in potato and its anti-microbial properties.  Proceedings of the 10th Annual Sessions of the Jaffna Science association.  10(1): 18.

  167. Uma, N., Nithiyanantharajha, N., Senthuran, A. and Arasaratnam, V. (2002).  Prevalence of iron deficiency anaemia in pre-pubertal, post pubertal and post menopausal females.  Proceedings of the 10th Annual Sessions of the Jaffna Science association.  10(1): 34.

  168. Navaratnam, P., Senthuran, A., Balakumar, S., Arasaratnam, V. and Balasubramaniam, K. (2001). Palmyrah fruit pulp to organic acids and ethanol. Proceedings of the Seminar on Palmyrah research and medelopment 17th November, Colombo. p.15.

  169. Senthuran, A., Balakumar, S., Kamalatheepan, S., Arasaratnam, V. and Balasubramaniam, K.  (2001). Antimicrobial activity of different palmyrah the Seminar on Palmyrah research and medelopment 17th November, Colombo. p.19.

  170. Arasaratnam, V., Maheswaran, B. and Mohanadas, S. (2001).  Syzygium cumini as a natural substitute for slaked lime to inhibit the fermentation of palmyrah inflorescence sap. Proceedings of the Seminar on Palmyrah research and medelopment 17th November, Colombo. p. 23.

  171. Arasaratnam, V. (2001).  Improving trypsin coupling to Eudragit S-100 while avoiding non-specific protein binding.  Proceedings of the 9th Annual Sessions of the Jaffna Science association.  9(1): 18.

  172. Arasaratnam, V. (2001).  Behavior of soluble and precipitated trypsin immobilized to Eudragit s-100.  Proceedings of the 9th Annual Sessions of the Jaffna Science association.  9(1): 19.

  173. Balakumar, S., Arasaratnam, V. and balasubramaniam, K. (2001).  Changes in trichloroacetic acid soluble anthrone positive carbohydrate level in Saccharomyces cerevisiae S1 under stress conditions.   Proceedings of the 9th Annual Sessions of the Jaffna Science association.  9(1): 20-21.

  174. Arasaratnam, V., Thayananthan, K. and balasubramaniam, K. (2001).  Preliminary studies on a-amylase production from Bacillus licheniformis 6346 by solid-state fermentation.  Proceedings of the 9th Annual Sessions of the Jaffna Science association. 9(1): 22.

  175. Navaratnam, P., Arasaratnam, V. and balasubramaniam, K. (2001).  Comparison of citric acid production by Aspergillus niger UV2 in liquid surface culture and solid state fermentation.  Proceedings of the 9th Annual Sessions of the Jaffna Science association.  9(1): 23.

  176. Maheswaran, B., Arasaratnam, V. and Mohanadas, S. (2001).  Effect of different parts of black plum tree (Syzygium cumini) on the microbial activities. Proceedings of the 9th Annual Sessions of the Jaffna Science association.  9(1): 24.

  177. Eswaramohan, T., Krishnarajaha, P. and Arasaratnam, V. (2000). A search for the digestive enzymes in gut fluid of Holothurria scabra Jaeger 1833 (Echinordermata: Holothuroidae). Proceedings of the 8th Annual sessions of the Jaffna Science Association. 8(1): 6.

  178. Balakumar, S., Arasaratnam, V. and Balasubramaniam, K. (2000). Performance of palmyrah toddy mixed culture on alcohol production using distillery spent wash and palmyrah based carbon sources.  Proceedings of the 8th Annual Sessions of the Jaffna Science Association. 8(1): 7-8.

  179. Chandrasekar, K. Arasaratnam, V. and Balasubramaniam, K. (2000). Changes in macromolecules of rice during malting.  Proceedings of the 8th Annual sessions of the Jaffna Science Association. 8(1): 9.

  180. Balakumar, S., Arasaratnam, V. and Balasubramaniam, K. (2000). Application of different strategies to improve the thermotolerance of a yeast strain. Proceedings of the 8th Annual sessions of the Jaffna Science Association. 8(1): 10.

  181. Senthuran, V., Arasaratnam, V. and Balasubramaniam, K. (2000).  Optimization of fermentation conditions for a-amylase production from Aspergillus oryzae B12.  Proceedings of the 8th Annual Sessions of the Jaffna Science Association. 8(1): 11.

  182. Balakumar, S., Arasaratnam, V. and Balasubramaniam, K. (2000). Fermentation characteristics of a thermotolerant yeast strain. Proceedings of the 8th Annual Sessions of the Jaffna Science Association. 8(1): 12.

  183. Senthuran, V., Arasaratnam, V. and Balasubramaniam, K. (2000). a-Amylase extraction from mouldy medium and its kinetic studies. Proceedings of the 8th Annual Sessions of the Jaffna Science Association. 8(1): 14.

  184. Balakumar, S., Arasaratnam, V. and Balasubramaniam, K. (2000). Characterization of osmo tolerance and ethanol tolerance ability of thermotolerant yeast. Proceedings of the 8th Annual Sessions of the Jaffna Science Association. 8(1): 15-16.

  185. Chandrasekar, K., Arasaratnam, V. and Balasubramaniam, K.  (2000).   Extraction and kinetic studies of the protease from malted rice. Proceedings of the 8th Annual Sessions of the Jaffna Science Association. 8(1): 17.

  186. Balakumar, S., Arasaratnam, V. and Balasubramaniam, K. (2000).  Ethanol production by thermotolerant yeast at high glucose concentrations in batch and cell recycle operations. Proceedings of the 8th Annual Sessions of the Jaffna Science Association. 8(1): 19-20.

  187. Solaman, C., Anantharajha, S. and Arasaratnam, V.  (1999). Antibiotic sensitivity of different Salmonella strains isolated from the patients admitted to Jaffna Teaching Hospital. Eleventh Annual Scientific Sessions of the Jaffna Medical Science Association, Sept. 9-11.

  188. Senthuran, V., Arasaratnam, V. and Balasubramaniam, K. (1999). Minimizing the proteolytic activity of acid protease produced by Aspergillus niger. Proceedings of the 7th Annual Sessions of the Jaffna Science Association.  p. 35.

  189. Senthuran, V., Arasaratnam, V. and Balasubramaniam, K. (1999). Effect of different inducers on acid protease production by solid-state fermentation. Proceedings of the 7th Annual Sessions of the Jaffna Science Association.  p. 36.

  190. Senthuran, V., Arasaratnam, V. and Balasubramaniam, K. (1999). Continuous production of acid protease by solid-state fermentation Proceedings of the 7th Annual Sessions of the Jaffna Science Association.  p. 37.

  191. Chandrasekar, K., Arasaratnam, V. and Balasubramaniam, K. (1999).  Malting of rice and studies on its amylase. Proceedings of the 7th Annual Sessions of the Jaffna Science Association.  p. 38.

  192. Balakumar, S., Arasaratnam, V. and Balasubramaniam, K. (1999). Utilization of distillery spent wash as nitrogen source for alcohol production at 40oC. Proceedings of the 7th Annual Sessions of the Jaffna Science Association.  p. 39.

  193. Balakumar, S., Arasaratnam, V. and Balasubramaniam, K.  (1999). Large-scale fermentation of palmyrah molasses by a novel process. Proceedings of the 7th Annual Sessions of the Jaffna Science Association.  p. 40.

  194. Senthuran, A., Senthuran, V., Arasaratnam, V., Balasubramaniam, K., Kaul, r. H. and Mattiasson, B. (1999).  Lactic acid production under different regimes.  International workshop on lactic acid bacteria.  CFTRI, Mysore, India, Nov. 15-17.  p. 27.

  195. Arasaratnam, V. and Balasubramaniam, K (1998).  Monochloroacetic acid for improved ethanol production by immobilized yeast cells. Proceedings of the 6th Annual Sessions of the Jaffna Science Association.  p. 35.

  196. Arasaratnam, V., Mylvaganam, K. and Balasubramaniam, K (1998). Continuous batch solid-state production and extraction of glucoamylase in large scale. Proceedings of the 6th Annual Sessions of the Jaffna Science Association.  p. 36.

  197. Navaratnam, P., Arasaratnam, V. and Balasubramaniam, K. (1998). Citric acid production in liquid surface culture by recycling Aspergillus niger CM1. Proceedings of the 6th Annual Sessions of the Jaffna Science Association.  p. 37.

  198. Arasaratnam, V., Thayananthan, K. and Balasubramaniam, K. (1998).  Preparation of a substitute for nutrient broth to activate Bacillus licheniformis 6346. Proceedings of the 6th Annual Sessions of the Jaffna Science Association.  p. 38.

  199. Arasaratnam, V., Thayananthan, K. and Balasubramaniam, K.  (1998). Preparation of an activation medium for Bacillus licheniformis 6346. Proceedings of the 6th Annual Sessions of the Jaffna Science Association.  p. 39.

  200. Navaratnam, P., Arasaratnam, V. and Balasubramaniam, K. (1998).  Selection of a carbon source and fed batch process for citric acid production by Aspergillus niger. Proceedings of the 6th Annual Sessions of the Jaffna Science Association.  p. 40.

  201. Arasaratnam, V. and Balasubramaniam, K. (1998).  Calcium alginate entrapped Lactobacillus casei for continuous lactic acid production. Proceedings of the 6th Annual Sessions of the Jaffna Science Association.  p. 41.

  202. Navaratnam, P., Arasaratnam, V. and Balasubramaniam, K. (1998).  Separation of acid soluble pectin from palmyrah fruit pulp. Proceedings of the 6th Annual Sessions of the Jaffna Science Association.  p. 42.

  203. Navaratnam, P., Arasaratnam, V. and Balasubramaniam, K. (1998). UV and chemical induced mutations for increased citric acid productivity by Aspergillus niger. Proceedings of the 6th Annual Sessions of the Jaffna Science Association.  p. 43.

  204. Arasaratnam, V., Nithiyanantharajah, N., Mylvaganam, K. and Balasubramaniam, K.  (1998). Simultaneous saccharification and fermentation of liquefied starch in rice flour to ethanol and the recycling of yeast cells. Proceedings of the 6th Annual Sessions of the Jaffna Science Association.  p. 44.

  205. Navaratnam, P., Arasaratnam, V. and Balasubramaniam, K, (1998).  Downstream processing of palmyrah fruit extract for sugar. Proceedings of the 6th Annual Sessions of the Jaffna Science Association.  p. 45.

  206. Arasaratnam, V., Thayananthan, K. and Balasubramaniam, K.  (1998). Application of fertilizer for a-amylase production by Bacillus licheniformis 6346 in solid medium. Proceedings of the 6th Annual Sessions of the Jaffna Science Association.  p. 46.

  207. Balakumar, S., Arasaratnam, V. and Balasubramaniam, K. (1998).  Isolation of a thermophile and its improvement. Proceedings of the 6th Annual Sessions of the Jaffna Science Association.  p. 47.

  208. Ramadas, M., Arasaratnam, V. and Balasubramaniam, K. (1996).  Sand in the purification of amyloglucosidase from mouldy extracts of Aspergillus niger grown in paddy husk. Proceedings of the 5th Annual Sessions of the Jaffna Science Association.

  209. Navaratnam, P., Arasaratnam, V. and Balasubramaniam, K. (1996).  Fermentation of sugars in grapes to alcohol. Proceedings of the 5th Annual Sessions of the Jaffna Science Association.

  210. Tambirajah, W. S., Arasaratnam, V. and Balasubramaniam, K. (1996).  In search of suitable carbon source to produce a- amylase by Bacillus licheniformis 6346. Proceedings of the 5th Annual Sessions of the Jaffna Science Association.

  211. Ramadas, M., Arasaratnam, V. and Balasubramaniam, K. (1999).  Temperature and pH effect on the stability and purification of amyloglucosidase from Aspergillus niger grown in paddy husk. Proceedings of the 5th Annual Sessions of the Jaffna Science Association.

  212. Tambirajah, W. S., Arasaratnam, V. and Balasubramaniam, K. (1996).  The nutrient of Bacillus licheniformis 6346 for a – amylase production in solid-state fermentation. Proceedings of the 5th Annual Sessions of the Jaffna Science Association.

  213. Tambirajah, W. S., Arasaratnam, V. and Balasubramaniam, K. (1996).  Fed batch production and extraction of a – amylase produced in solid-state fermentation by Bacillus licheniformis 6346. Proceedings of the 5th Annual Sessions of the Jaffna Science Association.

  214. Navaratnam, P., Arasaratnam, V. and Balasubramaniam, K. (1996). Fermentation of sugars in grapes to alcohol. Proceedings of the 5th Annual Sessions of the Jaffna Science Association.

  215. Navaratnam. P., Arasaratnam, V. and Balasubramaniam, K. (1996).   Improvement of citric acid production by Aspergillus sp. UV1 using methanol. Proceedings of the 51st Annual Sessions of the Sri Lanka Association for the Advancement of Science.

  216. Arasaratnam, V. and Balasubramaniam, K. (1995). Improvement of the thermal stability of immobilized alpha amylase by coupling with proline. Proceedings of the 4th Annual Sessions of the Jaffna Science Association. p. 9.

  217. Arasaratnam, V., Mylvaganam, K. and Balasubramaniam, K.  (1995). Improved conditions for Aspergillus niger to produce glucoamylase in solid state culture. Proceedings of the 4th Annual Sessions of the Jaffna Science Association. p. 10.

  218. Arasaratnam, V., Nithiyanantharajah, N. and Balasubramaniam, K. (1995).  Ethanol from starch in rice flour. Proceedings of the 4th Annual Sessions of the Jaffna Science Association. p. 11.

  219. Balakumar, S., Arasaratnam, V. and Balasubramaniam, K. 1995). Continuous hydrolysis of starch and dextrinized starch by Amberlite IRA-904 immobilized amyloglucosidase. Proceedings of the 4th Annual Sessions of the Jaffna Science Association. p. 12

  220. Navaratnam, P., Arasaratnam. V and Balasubramaniam, K. (1995). Solid-state fermentation for citric acid production by Aspergillus sp. UV2. Proceedings of the 4th Annual Sessions of the Jaffna Science Association. p. 13.

  221. Navaratnam, P., Arasaratnam, V. and Balasubramaniam, K. (1995). Effect of different nitrogen sources on citric acid production by Aspergillus. sp. CM1. Proceedings of the 4th Annual Sessions of the Jaffna Science Association. p. 14.

  222. Arasaratnam, V., Senthuran, A. and Balasubramaniam, K. (1995). Comparison of lactic acid production by commercially available and locally isolated strains. Proceedings of the 4th Annual Sessions of the Jaffna Science Association. p. 15.

  223. Arasaratnam, V., Senthuran, A. and Balasubramaniam, K. (1995). Preliminary studies on large-scale production of yeast cell mass. Proceedings of the 4th Annual Sessions of the Jaffna Science Association. p. 16.

  224. Senthuran, V., Arasaratnam, V. and Balasubramaniam, K. (1995).  Effect of nitrogen supplementation on acid protease production by Aspergillus niger­.   Proceedings of the 4th Annual Sessions of the Jaffna Science Association. p. 17.

  225. Tambirajah, W. S., Arasaratnam, V. and Balasubramaniam, K. (1995). Optimization of a medium for Bacillus licheniformis 6348 to produce alpha amylase by solid sate fermentation. Proceedings of the 4th Annual Sessions of the Jaffna Science Association. p. 18.

  226. Carthikesu, S., Arasaratnam, V. and Balasubramaniam, K. (1995). Preliminary studies on the production and characterization of alpha amylase from Aspergillus oryzae. Proceedings of the 4th Annual Sessions of the Jaffna Science Association. p. 19.

  227. Arasaratnam, V. and Ek-Namkul, C. (1994). Mutation and protoplast fusion of Cepharosporium eichhorniae. Proceedings of the 3rd Annual Sessions of the Jaffna Science Association. p. 18.

  228. Senthuran, A., Arasaratnam, V. and Balasubramaniam, K. (1994). Comparison of Lactobacillus delbrueckii in fed-batch and repeated batch processes. Proceedings of the 3rd Annual Sessions of the Jaffna Science Association. p. 19.

  229. Navaratnam, P., Mahendran, S., Arasaratnam, V. and Balasubramaniam, K. (1994). Stimulation of citric acid production by methanol in Aspergillus species. Proceedings of the 3rd Annual Sessions of the Jaffna Science Association. p. 20.

  230. Navaratnam, P., Mahendran, S., Arasaratnam, V. and Balasubramaniam, K.  (1994). Glucose concentration and inoculum size on citric acid production by Aspergillus sp. M2. Proceedings of the 3rd Annual Sessions of the Jaffna Science Association. p. 22.

  231. Tambirajah, W. S., Arasaratnam, V. and Balasubramaniam, K. (1994). Preliminary studies on a-amylase production in solid-state fermentation. Proceedings of the 3rd Annual Sessions of the Jaffna Science Association. p. 23.

  232. Sivaganeshan, K., Mahendran, S., Arasaratnam, V. and Balasubramaniam, K. (1994). Isolation of a yeast strain from toddy for cell recycling. Proceedings of the 3rd Annual Sessions of the Jaffna Science Association. p. 24.

  233. Shanmuganathan, V., Arasaratnam, V. and Balasubramaniam, K. (1994).  Optimization of culture conditions for rennet production from Aspergillus niger by solid substrate fermentation. Proceedings of the 3rd Annual Sessions of the Jaffna Science Association. p. 25.

  234. Arasaratnam, V., Nithiyanantharajah, N., Mylvaganam, K., Sivaganeshan, K. and Balasubramaniam, K. (1994).  Production of ethanol using starch in corn and rice flour. Proceedings of the 3rd Annual Sessions of the Jaffna Science Association. p. 26.

  235. Arasaratnam, V., Mylvaganam, K., Thayananthan, K. and Balasubramaniam, K. (1994).  Glucoamylase production from Aspergillus niger by solid-state fermentation. Proceedings of the 3rd Annual Sessions of the Jaffna Science Association. p. 27.

  236. Senthuran, A., Arasaratnam, V. and Balasubramaniam, K. (1994). Production of lactic acid in natural and synthetic media by Lactobacillus sp. isolated from soured milk. Proceedings of the 3rd Annual Sessions of the Jaffna Science Association. p. 28.

  237. Mahendran, S., Mylvaganam, K., Arasaratnam, V. and Balasubramaniam, K. (1994).  Alcoholic and non-alcoholic beverages from corn malt. Proceedings of the 3rd Annual Sessions of the Jaffna Science Association. p. 29.

  238. Senthuran, A., Arasaratnam, V. and Balasubramaniam, K. (1994). Nitrogen supplementation of whey in lactic acid production by lactobacillus delbrueckii. Proceedings of the 3rd Annual Sessions of the Jaffna Science Association. p. 30.

  239. Ahilan, S., Balasingam, V., Mahendran, S., Arasaratnam, V. and Balasubramaniam, K. (1993). Effect of oral contraceptives and injectable contraceptives on various biochemical parameters. Proceedings of the 2nd Annual Sessions of the Jaffna Science Association. p. 18.

  240. Soloman, C., Mahendran, S., Arasaratnam, V. and Balasubramaniam, K. (1993).  Preliminary studies on the antibacterial activity of selected plant extracts used by “Ayurvedic” physicians in Jaffna. Proceedings of the 2nd Annual Sessions of the Jaffna Science Association. p. 19.

  241. Sritharan, K., Thevapatham, P., Kulasingam, G. R. P., Balasubramaniam, K., Mahendran, S. and Arasaratnam, V. (1993). Quality control of processed foods. Proceedings of the 2nd Annual Sessions of the Jaffna Science Association. p. 20.

  242. Thirukumar, M., Balasingam, V., Mahendran, S., Arasaratnam, V. and Balasubramaniam, K. (1993).  Effect of roasted plantain flower on blood lipids, proteins and iron. Proceedings of the 2nd Annual Sessions of the Jaffna Science Association. p. 21.

  243. Senthuran, A., Arasaratnam, V. and Balasubramaniam, K. (1993). Use of calcium carbonate in batch wise process for lactic acid production by Lactobacillus delbrueckii. Proceedings of the 2nd Annual Sessions of the Jaffna Science Association. p. 23.

  244. Murugapoopathy, T., Arasaratnam, V. and Balasubramaniam, K.  (1993). Preparation and characterization of DEAE – cellulose immobilized amyloglucosidase. Proceedings of the 2nd Annual Sessions of the Jaffna Science Association. p. 24.

  245. Arulmoli, S. K., Kumaravel, S., Balasingam, V., Arasaratnam, V. and Balasubramaniam, K. (1993).  Effect of roasted plantain flower and leaves of Gymnema sylvestre on blood glucose level. Proceedings of the 2nd Annual Sessions of the Jaffna Science Association. p. 25.

  246. Thayananthan, K., Arasaratnam, V., Mahendran, S. and Balasubramaniam, K.  (1993). Preparation of sugar syrup (DE 50 – 70) from corn flour. Proceedings of the 2nd Annual Sessions of the Jaffna Science Association. p. 26.

  247. Mylvaganam, K., Mahendran, S., Arasaratnam, V. and Balasubramaniam, K. (1993).  Malt amylases and exogenous amylase in the preparation of malt extract. Proceedings of the 2nd Annual Sessions of the Jaffna Science Association. p. 27.

  248. Tambirajah, W. S., Mahendran, S., Arasaratnam, V. and Balasubramaniam, K. (1993).  Production and kinetic studies of alpha amylase from Bacillus licheniformis 6346 in solid-state fermentation. Proceedings of the 2nd Annual Sessions of the Jaffna Science Association. p. 28.

  249. Shanmuganathan, V., Arasaratnam, V. and Balasubramaniam, K. (1993).  Rennet from aspergillus niger in solid substrate fermentation. Proceedings of the 2nd Annual Sessions of the Jaffna Science Association. p. 30.

  250. Balakumar, S., Arasaratnam, V. and Balasubramaniam, K. (1993).  Immobilization of glucoamylase for the hydrolysis of starch and dextrinized starch. Proceedings of the 2nd Annual Sessions of the Jaffna Science Association. p. 31.

  251. Kanagaratnam, S., Mahendran, S., Arasaratnam, V. and Balasubramaniam, K. (1993).  Purification and production of glucose oxidase from aspergillus niger. Proceedings of the 2nd Annual Sessions of the Jaffna Science Association. p. 32.

  252. Arasaratnam, V., Nithiyanantharajah, N. and Balasubramaniam, K. (1993).  Glucose production from raw starch in corn flour. Proceedings of the 2nd Annual Sessions of the Jaffna Science Association. p. 33.

  253. Senthikumaran. C., Arasaratnam, V., Mahendran, S. and Balasubramaniam, K.  (1993). Effect of cigar smoking on urinary calcium, ascorbic acid and creatinine levels of postmenopausal women. Proceedings of the 9th Annual Scientific Sessions of the Jaffna Medical Association. p. 44.

  254. Janaki, P., Arasaratnam, V., mahendran, S. and Balasubramaniam, K. (1993).  Effect of cigar smoking on urinary calcium, ascorbic acid and creatine levels in post-menopausal women. Proceedings of the 9th Annual Scientific Sessions of the Jaffna Medical Association. p. 45.

  255. Rajendra, S., Mahendran, S., Arasaratnam, V. and Balasubramaniam, K.  (1993). Effect of beedi smoking on various biochemical parameters. Proceedings of the 9th Annual Scientific Sessions of the Jaffna Medical Association. p. 45.

  256. Somasundram, N. P., Mahesparan, R., Arasaratnam, V. and Balasubramaniam, K. (1992). Variation in serum cholesterol, triacylglycerol and protein levels in heroin addicts.  8th International Medical Sciences Students Congress, Istanbul, May. 13-15.

  257. Balasubramaniam, K., Arasaratnam, V., Somasundram, N. P. and Mahesparan, R. (1989). Variation in serum cholesterol, triglyceride and protein levels in heroin addiction.  Proceedings of the 45th Annual Sessions of Sri Lanka Association for the Advancement of Science, Sri Lanka. p. 14.

  258. Somasundram, N. P., Mahesparan, R., Arasaratnam, V., and Balasubramaniam, K. (1989).  Effects of heroin addiction on serum cholesterol, triglyceride and protein levels and a study on AIDS susceptibility among the addicts.  Proceedings of the 7th Annual Scientific Sessions of the Jaffna Medical Association. p. 14.

  259. Ganeshananthan, S., Gunathilagan, J., Uruthiran, K., Arasaratnam, V., nageswaran, C. and Balasubramaniam, K. (1989).  Effect of “Ayurvedic” drugs on worm infestation. Proceedings of the 7th Annual Scientific Sessions of the Jaffna Medical Association. p. 15.

  260. Anushyanthan, S., Mugunthan, N., Arasaratnam, V., Nageswaran, A. and Balasubramaniam, K. (1989).   Effect of Gymnema sylvestre in diabetics. Proceedings of the 7th Annual Scientific Sessions of the Jaffna Medical Association. p. 18.

  261. Arasaratnam, V., Balasubramaniam, K., Larsson, M. and Mattiasson, B.  (1988). Aqueous two – phase system for continuous production of glucose and immobilized systems for the conversion of glucose to fructose and ethanol. Proceedings of the 44th Annual Sessions of the Sri Lanka Association for the Advancement of Science, Sri Lanka. p. 205.

  262. Arasaratnam, V., Balasubramaniam, K., Larsson, M. and Mattiasson, B.  (1988). Studies on the growth and fermentation of Saccharomyces cerevisiae in altered microenvironment. Proceedings of the 44th Annual Sessions of the Sri Lanka Association for the Advancement of Science, Sri Lanka. p. 221.

  263. Arasaratnam, V., Balasubramaniam, K., Larsson, M. and Mattiasson, B.  (1988). Optimization of parameters for bioconversion of starch to glucose. Proceedings of the 44th Annual Sessions of the Sri Lanka Association for the Advancement of Science, Sri Lanka. p. 222.

  264. Arasaratnam, V., Balasubramaniam, K., Larsson, M. and Mattiasson, B.  (1988). Continuous fermentation of glucose produced by starch hydrolysis in an aqueous two- phase system.  Proceedings of the GIAM 8th International Conference on Global Impacts of Applied Microbiology and INCABB International Conference on Applied Biology and Biotechnology, 1 –5 August, Hong Kong.

  265. Balasubramaniam, K., Ravirajhan, C. T., Arasaratnam, V., Vinayagamoorthy, T. and Parameswaran, S. V. (1988).  Motivation of medical students and research projects in Biochemistry curriculum. Proceedings of the 6th Annual Scientific Sessions of the Jaffna Medical Association.  p. 3.

  266. Pasupathy, N., Arasaratnam, V. and Balasubramaniam, K. (1988). A preliminary study of the blood sugar level in response to a meal with polished and unpolished rice flour. Proceedings of the 6th Annual Scientific Sessions of the Jaffna Medical Association.  p. 3.

  267. Larsson, M., Arasaratnam, v. and Mattiasson, B. (1987). Bioconversion in aqueous two – phase system.  Proceedings of the 4th European Congress in Biotechnology, Amsterdam. Eds. Neijssel, O.M., van der Meer, R.R. and Luyben, K.Ch.A.M. Elsevier Science Publishers, b. V. amsterdam.   2:294-297.

  268. Larsson, M., Arasaratnam, v. and Mattiasson, B. (1987).  Integration of bioconversion and down – stream processing – starch hydrolysis in an aqueous two-phase system. Advances in separations using Aqueous phase systems in cell biology & Biotechnology. Proceedings of the 5th International Conference on Phase Partitioning, Keble College, Oxford.  p. 11.7.

  269. Arasaratnam, V. and Balasubramaniam, K. (1984). Immobilization and kinetic studies of alpha amylase and glucoamylase.   Proceedings of the 40th Annual Sessions of Sri Lanka Association for the Advancement of Science, Sri Lanka.