Prof. J.G.S. Ranasinghe
Senior Professor in Biochemistry
 
Official Address Department of Biochemistry, Faculty of Medicine, University of Peradeniya  
Email shiraniranasinghe5@gmail.com, shirani.ranasinghe@med.pdn.ac.lk  
Telephone 081-2396328, 077-3889404  
 
   

Educational/professional  Qualifications:

  • BVSC (2nd class Hon upper) Faculty of Veterinary  Medicine  & Animal Science, University of Peradeniya (1988)
  • MPhil  University of Miyazaki, Japan (1996-2001)
  • Ph.D. University of Kagoshima, Japan (2001)
 

 

Academic Positions held         

  • Head of the Department of Biochemistry, Faculty of Medicine,  , University of  Peradeniaya from 2013.
  • Chairperson to the Board of Study in Biochemistry and Molecular Biology, Postgraduate Institute of Science from year 2014 to 2017
  • Secretary/Higher Degree committee Faculty of Medicine, University of  Peradeniaya 2016
  • Member to the Board of Management Postgraduate Institute of Science from year 2014 to 2017
  • Member  of the Board of Study Biochemistry & Molecular Biology, Post Graduate Institute of Science, University of Peradeniya Sri Lanka from 2002. upto date.
  • Coordinator of the MSc programme in Experimental Biotechnology in Biochemistry and Molecular Biology, Postgraduate Institute of Science from 2005. upto date
  • Secretary to the Board of Study in Biochemistry and Molecular Biology, Postgraduate Institute of Science from year 2002 to 2008

Memberships in Professional Organizations and Committees

  • Member of the National council for Eldersin the Ministry of Social Empoerment and welfare.
  • Member of Kandy Society of Medicine
  • Member of Sri Lanka Association for Advancement of Science ( SLAAS) from 2000
  • Member of Popularization of Science Sri Lanka Association of Sri Lanka Association for the Advancement of Science 2008.
  • Member of Japan Society for Bioscience, Biotechnology and Agrochemistry
  • Member of the Board of study, Biochemistry & Molecular Biology Postgraduate Institute of Science from 2005 upto date
   

Fellowships

  • Invited research scholar-Nagoya City University Japan 2015 Visiting Professor/Erlangen University, Germany, 2019

                  

Research Publications
 
Research publications in Refereed Journals (including indexed journals)      
  1. Buddhi Fernando, Thilini S H Sudeshika Thilini W Hettiarachchi, Zeid Badurdeen" , "Thilak DJ Abeysekara" , "Hemalika T K Abeysundara"  "Sakunthala Jayasinghe, Shirani Ranasighe, Nishantha Nanayakkara (2020)  Evaluation of biochemical profile of Chronic Kidney Disease of uncertain etiology in Sri Lanka PONE-D-19-26108R1 (Accepted)

  2. Thanusha Perera, Shirani Ranasinghe, Neil Alles, Christoph Daniel, Roshitha Waduge. (2020). A preliminary analysis of renal infiltrating cells in acute tubular injury induced by water treated with high fluoride and high hardness in rat model. (Research Journal of Biotechnology accepted and will be published soon.).

  3. Thanusha Perera, Shirani Ranasinghe, Neil Alles and Roshitha Waduge (2020 March). Experimental rat model for acute tubular 3 injury induced by high water hardness and 4 high water fluoride: efficacy of primary 5 preventive intervention by distilled water 6 administration BMC Nephrology.

  4. Thanusha Perera , Kasun Godakumara , Shirani Ranasinghe and Neil Alles (2020). Exposure to Fluoride significantly decreases the cell membrane integrity and mitochondrial activity in murine cells. International  Journal of Advanced Research. 8(01), 735-743.

  5. Shirani Ranasinghe (2019) Impact of mineral homeostasis on the pathogenesis of
    some common diseases in Sri Lanka. Sri Lanka Medical Journal 2019 December 28 (2):57-67

  6. Buddhi Nadeesha Tharangani Warnakulasuriya Fernando Thilini Wasana Hettiarachchi ,Thilini Sudeshika ,Zeid Badurdeen Hemalika Abeysundara Shirani Ranasinghe, Manel P Rathnayake, 
    Nishantha Nanayakkara.(2018) anaemia in Chronic Kidney Disease of uncertain aetiology.Nephrology First published: 07 December 2018 https://doi.org/10.1111/nep.13545

  7. Shirani Ranasinghe, Thilak Jayalath, Sampath Thennakoon, Ranjith Jayasekara, Ran Shiva, Tharanga Bandara, (2018) "Variation of circulating 25-Hydroxyvitamin D levels with life style in a cohort group in Sri Lanka", Nutrition & Food Science, https://doi.org/10.1108/NFS-06-2018-0168

  8. Duminda S. B. Dissanayake1, Lasanthika D. Thewarage, Rathnayake RoshithaWaduge, Jamburagoda G. Shirani Ranasinghe, Senanayake A. M. Kularatne, and Rajapakse P.V. J. The venom of spectacled Cobra (Elapidae Naja naja): In vitro study from distinct geographical origin in Sri Lanka Journal of Toxicology Volume 2018, Article ID 7358472, 14 pages https://doi.org/10.1155/2018/735847

  9. Thanusha Perera, Shirani Ranasinghe, Neil Alles, RoshithaWaduge (2018) Effect of fluoride on major organs with the different time of exposure in rats. Environmental Health and Preventive Medicine. 23:17 DOI: 10.1186/s12199-018-0707-2.

  10. Rathnayaka Mudiyanselage M.K. Namal Rathnayaka, Senanayake A.M. Kularatne, Anusha Nishanthi Ranathunga, Mahinda Kumarasinghe, MBBS, MD; Jayantha Rajapakse, ShiraniRanasinghe(2017). Prolonged Coagulopathy, Ecchymoses, and Microangiopathic Hemolytic Anemia Following Hump-Nosed Pit Viper (Hypnalehypnale) Bite in Sri Lanka Wilderness &Environemtal Medicine, 28, 253–258 

  11. JG Shirani Ranasinghe, Rasnayaka Mudiyanselage Mudiyanse (2017)Zinc Status in Beta Thalassemia Major Patients. Biol Trace Elem Res DOI 10.1007/s12011-017-1158-0ts

  12. Atthanayaka MudiyanselageDilharaSewwandiKarunaratna,  JG Shirani Ranasinghe, Rasnayaka Mudiyanselage Mudiyanse (2017) Iron overload in beta thalassemia major patients Int J Blood Transfus Immunohematol 2017;7:33–40.

  13. Duminda S. B. Dissanayake1, Lasanthika D. Thewarage, Rathnayake M. P. Manel Rathnayake, Senanayake A. M. Kularatne, Jamburagoda G. ShiraniRanasinghe and Rajapakse P. V. Jayantha Rajapakse Research Hematological and plasma biochemical parameters in a wild population of Najanaja (Linnaeus, 1758) in Sri Lanka (2017) Journal of Venomous Animals and Toxins including Tropical Diseases 23:8 

  14. J G S Ranasinghe, W T R Perera (2016), Prevalence of Lactobacillus bulgaricus and Streptococcus thermophilus stability in commercially available yogurts in Sri lanka. Asian Journal of Medical Sciences | Sep-Oct 2016 | Vol 7 | Issue 5 Vol 7, No 5 (2016) 97-101.

  15. Sumanadasa PDNS, Pitawala HMGTA., Ranasinghe JGS ,Pethiyagoda AUB. (2016). Study  on  impact of  anatomical location of human renal stones on mechanism of nucleation and growth in Sri Lankan population. International Journal of Current Research Vol. 8, Issue, 01, pp.25563-25568

  16. Dissanayake, D. S. B., Rajapakse, R. P. V. J., Bandara, K. B. A. T., Ukuwela, K. D. B., Kularatne, S. A. M & Ranasinghe, J. G. S. (2015). Phylogeography of the Indian Cobra (Naja naja) reveals genetically divergent populations between the Indian subcontinent and SriLanka. Genome, 58 (5), 212.

  17. Sumanadasa PDNS, Pethiyagoda AUB, Ranasinghe JGS ,Pitawala HMGTA.(2015) .Influence of Organic Matter and Preexisting Cavitations of Urinary Stones on the Success Rate of Extracorporeal Shock Wave Lithotripsy. International Journal of Analytical, Pharmaceutical and Biomedical Sciences. July-2015, Volume-4, Issue-7, 28-39

  18. Harshi Weerakoon , Ayanthi Navaratne , Shirani Ranasinghe, Ramaiah Sivakanesan , Kuda Banda Galketiya , Shanthini Rosairo(2015) Chemical characterization of gallstones: an approach to explore the aetiopathogenesis of gallstone disease in Sri Lanka. PLOS ONE 2015;10(4):e0121537.

  19. Harshi Thilanka Welegedara Weerakoon, Shirani Ranasinghe, Ayanthi Navaratne, Ramaiah Sivakanesan, Kuda Banda Galketiya and Shanthini Rosairo (2014) BMC Research: Serum lipid concentrations in patients with cholesterol and pigment gallstones.7:548

  20. Harshi TW Weerakoon*, Jamburagoda GS Ranasinghe, Ayanthi Navaratna, Ramaiah Sivakanesan, Kuda B Galketiya and Shanthini Rosairo (2014) Can the type of gallstones be predicted with known possible risk factors?: a comparison between mixed cholesterol and black pigment stones. BMC Gastroenterology 2014, 14:88.

  21. Ranasinghe , JGS, Silva SSP, Herath,  N .Changes of Serum Lipids and Proteins during Probiotics Feeding and Its Exposure. International Journal of Scientific and Research Publications, . (2013) Volume 3, Issue 1, January  1 page 1-5  ISSN 2250-3153

  22. Niroshini KHKT1, Rajapakse RPVJ , Ranasinghe JGS.(2013) Detection of Antigenic proteins in salaivary glands of female ArmigeresSubabatus mosquito. International Journal of Biological & Pharmaceutical Research. 2013; 4(12): 1212-1216 .

  23. Peiris HH, Mudduwa LKB, Liyanage T, Ranasinghe , JGS (2013). Effect of Morphological preservation artifacts on the quality of immunochemical staining for ER and Her-2 Galle Medical Journal:15, 7-12.

  24. Ranasinghe JGS (2012) Effect of Mannan Oligosaccharides on Some Nutritional and Biochemical Parameters of Mice. Indian J. Anim. Nutr. 2012.29 (2) : 204-208

  25. Anuruddhe,, IK Badaranayake, JGS Ranasinghe, S Athauda, (2010) Molecular diversity in venom proteins of the Russell’s viper (Daboia russellii russellii) andthe Indian cobra (Naja naja) in Sri Lanka. M Suziki, T Ithoh, BM.Biomedical research, 31 (1)71-81

  26. Ranasinghe JGS (2009).Sulphation of Environmental Estrogenic Compounds  in vivo Sri Lanka Veterinary Journal 2009-10,56 and 57 (A )37-40.

  27. Ranasinghe , JGS, Silva SSP, Hashita Walisinghe(2018). Selenium Yeast supplementation Favors the Serum Nutritional Parameters of Mice Asian Journal of Medical Sciences (Accepted)

  28. Nanayakkara DP & Ranasinghe JGS (2009). Histopathological changes in vital organs of mice following intramuscular  administration of krait venom. Ceylon Journal of Science (Biological Sciences) 38: 1, 1-10.

  29. Ranasinghe JGS, Ranasinghe ARAH &  Samitha S (2008). Prevention of Antibiotic- Induced Diarrhoea in Dogs. Indian Journal of Animal Nutrition. 25: 3, 288-292.

  30. Ranasinghe JGS, Gamlath GRRDK, Samitha S& Abeygunwardena AS (2007). Prophylactic use of yoghurt reduces antibiotic induced diarrhea in children. Sri Lanka Journal of Child Health. 36: 53-56.

  31. RanasingheJGS,MingChehLiub, YumikoTakeshita, TetsuoNasu, MasahitoSuikoa Stereoselective and manganese-dependent sulfation and urinary excretion of d-form and l-form meta-tyrosine O-sulfate by Sprague–Dawley rats. Journal of Molecular Catalysis B: Enzymatic 12, Issues 1–6, 28 February 2001, Pages 131-136

  32. Ranasinghe JGS, Liu MC, Sakakibara Y, Suiko M (2000). Manganese administration induces the increased production of dopamine sulfate and depletion of dopamine in Sprague-Dawely rats. Journal Biochem.128: 477-480.

  33. Ranasinghe JGS, Sakakibara Y, Harada M, Nishiyama K, Liu MC & Suiko M (1999). Structural identification of sulfated tyrosine in human urine. Bioscience Biotechnology Biochemistry  63:1, 229-231.

  34. Suiko M, Sakakibara Y, Awan-Khan R, Sakaida H, Yoshikawa H,  Ranasinghe JGS & Liu MC (1998).  Substrate specificity of human monoamine (M)- form phenol sulfotransferase: Preparation and analysis of Dopa 3-O-sulfate and Dopa 4-sulfate.Journal Biochemistry 124: 4, 707-711.     

  35. Sivakanesan R Abeygunawardena H. & Ranasinghe JGS (1995). Effect of urea treated straw supplementation on the serum concentrations of progesterone and its precursor of cholesterol in buffaloes. Regional symposium on the role of buffalo in rural development in Asia p239-250.

  36. Sivakanesan R, Abeygunawardena H & Ranasinghe JGS (1995).  Effect of urea treated straw supplementation on reproductive performance and on some blood metabolic and nutritional indices in buffaloes. Proceedings of the second Asian Buffalo Association Congress. p 300-313.

  37. Ranasinghe JGS, Ranasinghe H & Sivakanesan R (1994). Rubber (Hevia Braciliancis ) latex as a cause of indigestion in cattle. Sri Lanka Veterinary Journal 41:1, 1-4.

 
Peer reviewed Presentations at National / International Conferences / Symposia
  1. Sumanadasa PDNS, Pethiyagoda AUB, RanasingheJGS ,Pitawala HMGTA.(2016) . Influence of Preexisting Cavitations in primary tract stones on success rate of extracorporeal shock wave lithotripsy. International Annual Research Sessions, University of Peradeniya p.157.

  2. H.T.W. Weerakoon, J.G.S. Ranasinghe, A.N. Navaratne, R. Sivakanesan, K.B. Galketiya, S. Rosairo. (2014)Socio-demographic characteristics of gallstone disease found in a cohort of patients in Kandy District, Sri Lanka. International Annual Research Sessions, University of Peradeniya p.316.

  3. Senanayake SSHMML, Ranasinghe JGS, Alexander PABD, Nizanantha K & Waduge R (2014). Effect of increased temperature and age on serum lipids and proteins of broiler birds. Proceedings of the One Health International Conference, University of Peradeniya p 31

  4. WWRWMBKK Weerasooriya, RVJ Rajapakse, JGS Ranasinghe and HP Wakkumbura (2014). Acute toxicity of maduyastYadee churna in mice model. Proceedings of the One Health International Conference, University of Peradeniya p 34.

  5. JG Ranasinghe (2014) A study on the toxicological effect of an ayurvedic medicine Muthunjaya Rasa on liver and kidney functions in mice. 6 th World Ayurvedi a Congress and Arogya Congress and Arogy Expo No 65).

  6. HTW Weerakoon, JGS Ranasinghe, AN Navaratne, R Sivakanesan, KB Galketiya, S Rosairo (2013) Socio Demographic Characteristics of patients with  gallstone disease  in a group of patients admitted t teaching hospital Peradeniy,Sri Lanka community Proceedings of the One Health International Conference, University of Peradeniya p 316

  7. Pathirana SNJ, P. Samaraweera,, JGS Ranasinghe, Sanath Rajapaksha (2013) Isolation of lipolytic fungi and partial purification of lipases. Presented at 3rd Annual Research sessions, Rajarata university of Sri Lanka p. 33

  8. Gunaratne, A.G.G.Wijeratne, S.B.P.Athauda, R.M.P.Ratnayake
    J.G.S.Ranasinghe and D.P.Nanayakara. (2010).Histopathological effects of crude venom and purified Phospholipase A(2) from Russell’s Viper (Daboia Russell II) in mice: A preliminary study. Peradeniya university research sessions

  9. MVG Pinto, JGS Ranasinghe, U Pethyagoda, GB Thenuwra, WMSK Weerabahu, (2011)Can the spinal spread be changed with blood or CSF sodium concentrations? .Peradeniya university research sessions

  10. B.M.A.I.K.Bandaranayake, J.G.S.Ranasinghe (2010).Purification of Russell’s viper phospholipase A2 (RV-PLA2): Production and preliminary characterization of antibodies against RV-PLA2.Peradeniya university research sessions p397

  11. KH.K.T.Niroshini, R.P.V.J.Rajapakse, JGS.Ranasinghe, R.Kulasekera, K.B.A.T.Bandara, and N.A.N.D.Perera (2010). Study of antigenic salivary gland proteins of mosquitoes and detection of antibodies against them in rabbit  andhuman.Peradeniya University research sessions.

  12. Sivakanesan R, Ranasinghe JGS & Perera PAJ (1992).An   analysis of lipid profiles of apparently healthy individuals with a family history of myocardial infarction. Proceedings of the International Medical Congress July/August  Kandy p.27.

  13. Sivakanesan R, Ranasinghe JGS & Watawana  L. (1994). Serum lipids in subfertile women. Proceedings of International Medical Congress July/August Kandy p 19.

 
Published in Abstract Form
  1. Manchanayake MMJP, Galketiya KB, Ranasinghe,JJS, Thennakoon S (2020)Assessment of  short term physical activity level following abdominal surgeries.  The Kandy society of medicine. OPA4;16

  2. WTR Perera, JGS Ranasinghe, K. Godakumara, N. Alles, R. Waduge, (2017) Relationship between fluorine intake and kidney cell viability.  Proceedings of the PGIS Research congress. Pp118.

  3. Wijethungaarachchi,T.R.T. Weerasinghe, J.G.S Ranasinghe, H.M.GT.A. Pitawala, W.S.L. de Silva and G.DDS. Gamage. (2017).A Preliminary study of the composition of common bile duct stones. Proceedings of the Postgraduate Institute of Science Research Congress p.92.

  4. WTR Perera and JGS Ranasinghe. (2015). Viability of microbes in commercially available yogurts in Sri Lanka. Proceedings of the Postgraduate Institute of Science Research Congress p.54

  5. A.U Tennakoon, J.G.S. Ranasinghe, R. Jinadasa. (2015). Identification of Lactic acid bacteria present in house hold curd samples. Proceedings of the postgraduate Institute of Science Research Congress, 9th -10th October.p 71.

  6. TT Alawathugoda, AASY Adikari,, J.G.S. Ranasinghe, APDG Path, irana, N Priyankarage , SSP Silva (2015). Efficacy of natural yeast cell wall polysaccharides against commonly used antibiotics growth promoters in poultry farming. Proceedings of the postgraduate Institute of Science Research Congress, 9th -10th October.p 75

  7. Senanayake SSHMML, Alexander PABD, Ranasinghe JGS, Nizanantha K & (2014). Investigation in Broliler chicken using liver –specific serum non –functionalenzymes.  Food Nutrition and Live stock. Abstract 1008

  8. Senanayake SSHMML, Ranasinghe JGS, R Waduge, Nizanantha K & Alexander PABD (2014). Changes in the serum enzyme levels and liver lesions of broiler birds reared under different management conditions. Twenty sixth annual congress of the PGIA

  9. W.S.L. de Silva, Pathirana AA, Wijratena TK, Ranasinghe J.G.S, Wijethungaarachchi I.U, . Weerasinghe TRT, Pitawala , H.M.GT.A, Dassanayake,BK, Tennakoon SUB.(2017) Chemical Profile of common bile duct stones in Sri Lanka.Annual Academic session 2017 The College of Surgeon Sri Lanka. P 69

  10. T.R.T. Weerasinghe ,Wijethungaarachchi, , J.G.S Ranasinghe, H.M.GT.A. Pitawala, W.S.L. de Silva and G.DDS. Gamage. (2017).A Preliminary study of the composition of common bile duct stones. Proceedings of the Postgraduate Institute of Science Research Congress p.93

  11. A. M. D.S. Karunaratna,  JG ShiraniRanasinghe, R. M. Mudiyanse, JMNS Nawaratena,MCNPerra  (2017). Effect of serum ferritin level on health status of beta thalassemia Major patients. Proceedings of the Postgraduate Institute of Science Research Congress p.88

  12. WTR Perera, JGS Ranasinghe, R. Waduge, N. Alles (2016) Effect of fluoride treatment on kidney and liver in rats.  Proceedings of the PGIS Research congress. Pp. 72

  13. Perera W.T.R and Ranasinghe J.G.S. (2016). A preliminary study to investigate fluoride as an etiological factor for renal injury. The Kandy society of medicine. S30P9;52         

  14. Senanayake SSHMML, Ranasinghe JGS, Nizanantha K & Alexander PABD (2014). Serum Creatine kinase and Lactate dehydrogenase profiles in broiler birds with respect to Sudden Death Syndrome. Proceedings of the Postgraduate Institute of Science Research Congress p 76.

  15. Senanayake SSHMML, Ranasinghe JGS, R Waduge, Nizanantha K & Alexander PABD (2014). Changes in the serum enzyme levels and liver lesions of broiler birds reared under different management conditions. Twenty sixth annual congress he PGIA

  16. HTW Weerakoon, JGS Ranasinghe, KB Galketiya, R Sivakanesan, A Navaratne (2013). Types of gallstones found in a Sri Lankan community. Presented at 3rd Annual Research sessions, Rajarata university of Sri Lanka.p 113

  17. Sugeshwari S, Silva SSP, Ranasinghe JGS, Kumbukage TR, WalisingheHA  &Sivakanesan R (2009).Effects of protein preparation containing nucleotides on biochemical and immune parameters of laboratory mice. Proceedings of the  25th international Symposium Science and Technology in the Food Industry

  18. Walisinghe HA, Silva SSP, Ranasinghe JGS, Kumbukage TR,  Sugeshwari S &Sivakanesan R (2009). Effects of organic selenium  on selected biochemical and immune parameters of laboratory mice. Proceedings of the  25th  International Symposium Science and Technology in the Food Industry

  19. Kumbukage TR, Silva SSP, Ranasinghe JGS, Walisinghe HA, Sugeshwari S&Sivakanesan R (2009).Effect of Bio-Mosmannan oligosaccharides on biochemical and immune parameters of laboratory mice.Proceedings of the   25 thInternational Symposium Science and Technology in the Food Industry

  20. RPVJ Rajapaksha ; JGS Ranasinghe, VP Gunaratne,  DP Nanayakara. Histopathological effects of crude venom and purified phospholipase A(2) from Russell’s viper (Daboiarusseliirusselii) in mice:  . TSICONSBM2012. Mysore
    http://www.ksouonline.edu.in/NationalConference/#

  21. JGS Ranasinghe ; RPVJ Rajapaksha. A Toxicological and structure analysis of the venom of  Sri Lankan venomous Snakes . TSICONSBM2012. Mysore
    http://www.ksouonline.edu.in/NationalConference/

  22. Sivakanesan R, Ranasinghe JGS & Perera PAJ (1992).Incidence of hyperlipidemia in first degree relatives of subjects in myocardial infarction. Proceedings of Galle Clinical Society Sep/Oct Galle p 24.

  23. Ranasinghe JGS, Ranasinghe H & Sivakanesan R (1992).Ruminal impaction due to rubber latex in cattle. Proceedings of the Veterinary Association 45 th Annual session

  24. Ranasinghe JGS, Takeshita U, Sakakibara Y, Masahiro M, Fukuda, T & Liu M-C (1998). Stereoselective and manganese-dependent sulfation and urinary excretion of D-form and L-form meta-tyrosine 0-sulfate by Sprague-Dawely rats.         Proceedings of the Japan Society for Bioscience, Biotechnology & Agrochemistry, Yamaguchi p57.

  25. Ranasinghe JGS, Sakakibara Y, Yoshitaka N Liu Ming-Cheh & Suiko M (2000). Manganese administration induces the increased production of dopamine sulfate and depletion of dopamine in Sprague-Dawley rats. Proceedings of the Japan Society  for Bioscience Biotechnology and Agrochemistry. Okinawa p 49.

  26. Ranasinghe JGS, Suzuki M, Athauda SBP, Perera PAJ & Moriyama A (2004). A study on cardiotoxin of Sri Lankan Cobra.Proceedings of the Peradeniya University Research Sessions (PURSE)  p 113.

  27. Ranashinghe JGS, Asano Shoji1, Hayashi Ikuhiro, Suzuki  Mieko1,  Athauda SBP & Moriyama Akihiko (2005).Analysis of venom components in the Indian cobra living in Sri Lanka - Comparison with those of the same species in India.Proceedings of the 53 rd symposium on Toxins 7 th July Yatsugatake Royal Hotel, Japan

  28. Nanayakkara DP, Gunathilake PGL  Ratnayake RMP& Ranasinghe JGS (2007). Histopathological changes induced by venom of Bungarus ceylonicus on laboratory mice. Proceedings Peradeniya University Research Sessions PURSE - p 105-106.

  29. Nanayakkara DP, Athauda SBP,  Sivakanesan R   & Ranasinghe JGS (2007). Assessment of toxicity of Bungarus ceylonicus (ceylon krait) venom in a laboratory set up.Proceedings Peradeniya University ResearchSessions PURSE-2007. p 131.

  30. Asano Shoji1, Ranashinghe JGS, Suzuki  Mieko, Hayashi Ikuhiro, Seijiro Anhara,  Moriyama Akihiko (2004).Peptidome Analysis of Sri Lankan Cobra and the Primary Structure of its Cytotoxin Zoological science   21(12) pp.1328 The Zoological Society of Japan

  31. Danajaya KA, Liyanage NGM, Bandaranayake  AIK, Ranasinghe JGS & Athuda SBP (2007) Proteomic characterization of Sri Lankan Cobra venom Institute of Chemistry Ceylon. Chemtech  p.18        

  32. Halpage S, Kumara KBJ, Nananyakkara DP, Dangolla A,  Ranasinghe JGS (2007).The effect of different doses of cobra venom on mice as a model for investigation of the tissue damage. Proceedings of the 63 rd Annual  session Annual session  Sri Lanka Association for the Advancement of Science.  -  p 131.

  33. Jayantha Kumara KB, Ranasinghe ARAH,  Dangolla A & Ranasinghe JGS, (2007).Possible Curative Effect of an Ayurvedic Medicinal paste on Cobra (Naja naja). Envenomised Laboratory Mice. Proceedings of the 63 rd Annual  session Annual session  Sri Lanka Association for the Advancement of Science.  p. 162

  34. Nanayakkara DP,  Sivakanesan R, Athauda SBP, Rathnayake RMP &  Ranasinghe JGS (2007).LD50 of venom of Bungarus ceylonicus (Ceylon krait) following an intramuscular injection to mice. Proceedings of the 63 rd Annual session Sri Lanka Association for the Advancement of Science.  p. 160

  35. Ranasinghe ARAH &  Ranasinghe JGS (2007).Prevention of antibiotic induced diarrhoea in dogs by fermented milk products. Proceedings of the 63 rd Annual session Sri Lanka Association for the Advancement of Science . p. 4

  36. Danajaya NGM, Bandaranayake AIK,  Ranasinghe JGS & Athauda SBP (2007).Proteomic characterization of Sri Lanka Russel’sViper  Institute of Chemistry Ceylon. Chemtech  p.21

  37. Nanayakkara DP, Ranasinghe JGS , Gunathilake PGL & Ratnayake RMP (2008).Comparative study of histopathology changes induced by venom of Bungarus species in Sri Lanka.Proceedings of the 30th  Annual academic sessions Kandy Society of Medicine p. 50.

  38. Herath N, Ranasinghe JGS, Silva S, Gunawardena G, Sivakanesan R,Wijeratena Banda YM, Nawaratena JMNS (2008).Serum cholesterol lowering effect of Lactobacillus bulgaricus and Streptococcus thermophilus in guinea pigs.Proceedings of the 30th  Annual Academic Sessions Kandy Society of Medicine p. 52.

  39. Gregory N, Ranasinghe JGS, Gunawardena GAB,  Silva SSP & Wijekkoon ASB (2008).Dose response relationship of Salmonella enteridis infection. Proceedings of the Sri Lanka college of Paediatricians 11th Annual scientific Congress 19 th -22 nd June Kandy Sri Lanka p96

  40. Ranasinghe JGS & Ranasinghe H  (2008).An Introduction of  a clinical score for the evaluation of bacterial infection of dogs.Proceedings of the 63 rd Annual session for the Advancement of Science. p. 204.

  41. Ranasinghe JGS (2008).Introduction of  numerical scores for the evaluation of diarrhoea.Proceedings of the 63 rd Annual session Sri Lanka Association for the Advancement of Science. p 5.

  42. Bandaranayake BMIAK  Vasanthakrishnana RKBS, Ariyadasa TU, Athauda NRKBA, Ranasinghe JGS & Athauda SBP (2008).Production and characterization of antibodies against proteins of venom of Sri Lankan cobra. Proceedings of the 63 rd Annual session Annual Session  Sri Lanka Association for the Advancement of Science.  p. 213.

  43. Halpage S, Kumara KBJ, Nananyakkara DP, Dangolla A,  Ranasinghe JGS (2007).The effect of different doses of cobra venom on mice as a model for investigation of the tissue damage.
    Proceedings of the 63 rd Annual  session Annual session  Sri Lanka Association for the Advancement of Science.  -  p 131.

  44. Jayantha Kumara KB, Ranasinghe ARAH,  Dangolla A & Ranasinghe JGS, (2007).Possible Curative Effect of an Ayurvedic Medicinal paste on Cobra (Naja naja). Envenomised Laboratory Mice. Proceedings of the 63 rd Annual  session Annual session  Sri Lanka Association for the Advancement of Science.  p. 162

  45. Asano Shoji1, Ranashinghe JGS, Suzuki  Mieko, Hayashi Ikuhiro, Seijiro Anhara,  Moriyama Akihiko (2004).Peptidome Analysis of Sri Lankan Cobra and the Primary Structure of its Cytotoxin Zoological science   21(12) pp.1328

  46. WTR Perera, JGS Ranasinghe, R. Waduge, N. Alles (2019). Effects of hard water with high fluoride on kidney and liver and the role of distilled water for damage mitigation. Proceedings of the Postgraduate Institute of Science Research congress. Pp117

  47. WTR Perera, JGS Ranasinghe, K Godakumara, R Waduge, N Alles (2017). Relationship between fluoride intake and kidney cell viability. Proceedings of the Postgraduate Institute of Science Research congress. Pp118.

  48. WTR Perera, JGS Ranasinghe, R. Waduge, N. Alles (2016). Effect of fluoride treatment on kidney and liver in rats. Proceedings of the Postgraduate Institute of Science Research congress. Pp72.

  49. WTR Perera, JGS Ranasinghe (2016). A preliminary study to investigate fluoride as an etiological factor for renal injury. Proceedings of the Kandy society of medicine. S30P9;52.

 

List of Students Supervised for Post Graduate Degrees

  • Thanusha Perera PhD
  • Buddhhi Fernando PhD
  • TW Hettiarachcchi PhD
  • Sumanadasa PDNS PhD    
  • Hasini Wasundara Mphil at PGIS (Postgraduate Institute of Science) 2019.
  • K A Dilhara Sewwandi, MPhil at PGIS (Postgraduate Institute of Science) 2017.
  • Duminda S. B. Dissanayake MPhil (Faculty of Vet. Med. Uni. Of    Peraadeniya2016
  • Sarath Kuruppu MPhil at PGIS (Postgraduate Institute of Science ) 2016
  • Harsi Thilanka MPhil at PGIS (Postgraduate Institute of Science ) 2014
  • Kosala  Bandara MPhil at PGIS (Postgraduate Institute of Science ) 2013
  • Tharanga Niroshini MPhil at PGIS (Postgraduate Institute of Science ) 2013
  • Deepthi Nanayakkara MPhil at PGIS (Postgraduate Institute of Science ) 2008
  • HMSN Herath MSc at PGIS 2009
  • WADSSN Gregory MSc at PGIS 2009
  • Dinesh Chandrasiri MSc at PGIS 2010
  • DMS Sugeshwari MSc at PGIS2010
  • Hashita Amal Walisinghe MSc at PGIS2010
  • T Kumbukage MSc at PGIS2010
  • Harshini H Peiris MSc at PGIS 2011
  • K. Bopitiya MSc  PGIS  2011
  • Nirosha Kumari MSc  PGIS   2012
  • Viraji Gunaratena MSc PGIS 2012
  • Thanusha Perera MSc PGIS 2014
  • Sanka Ganegama MSc PGIS 2015
  • Jayani SAmarathunga MSc PGIS 2015
  • Buddhika Weerasooriya MSc PGIS 2015
  • Maleesha Senanayake MSc PGIS 2015
  • Shafy Shabnam MSc PGIS 2016
  • Nirosha Sandamali MSc PGIS 2016
  • MAN Kumara MSc PGIS 2016
  • Ayesha Tennakoon MSc PGIS 2016
  • Anuradha Seneviratena MSc PGIS 2017
 

Contribution at  University Level

  • Senior Student Counselor of the  University of Peradeniya for the years 2002, 2006, 2009
  • Deputy Proctor of the Faculty of Medicine in 2007.
  • Member in subcommittee appointed by the  University for Prevention of Ragging in 2007.
  • Chairperson of the Committee on Illnesses of Clinical Importance and Snakebite and Poisoning. 7th Medical Exhibition in 2003
  • Treasure Medical  exhibition 2015
  • Nominee to represent the Faculty of Medicine in the Organizing Committee of PURSE (Peradeniya University Research Sessions) in 2008.
  • Member in  Subcommittee on Income Generation Project
  • Member of the Faculty Student Affairs Committee from 2006 to 2015
  • Member to the Dean’s Task Force to provide input in Group2 Clinical Laboratory and Management.
  • Coordinator for the 10 Module Growth and Development of the Beyond 2004
  • Actively involved in above module revision in 2014
  • Initiated and Coordinated Biochemistry Practical revision in 2015
  • Coordinator to Establish diagnostic lab as a service for the clinical programme, Hospitals  and income generation
 

Resource Person in Seminars/Workshops

 
Resource person in workshops
  • Name - Quality Control and Quality Assurance for State and   Private Sector  Health Laboratories
    Place - Organized by Post Graduate Institute of Science Peradeniya at PGIS
    Date - 2003-10-03

  • Name - Identification of Snakes and Management of Snake Bites
    Place - Organized by Post Graduate Institute of Science Peradeniya at PGIS
    Date -   2006-11-11

  • Name - Fitness over Forty
    Place - Organized by Department of Physiology, Faculty of Medicine, University of Peradeniya.
    Date - 2008-4-08

  • Name - Developing National Guide lines for protection of “Animal Participants” in Research.
    Place - Organized by the Forum of Ethics Review Committees in Sri Lanka, convened by the ethics Review Committee Faculty of Medicine, University of Colombo at Faculty of Medicine Colombo
    Date - 2008-09-11

  • Name - Human Growth and maturation and Clinical application
    Place - Organized by Post Graduate Institute of Science Peradeniya at PGIS
    Date - 2011-09-02

 

Coordinator in workshops

  • Name - Identification of Snakes and Management of Snake Bites
    Place - Organized by Post Graduate Institute of Science Peradeniya at PGIS
    Date - 2006-11-11

  • Name – Workshop for Supervisors Research Degree Organized by the Higher Degrees Faculty of Medicine, Peradeniya    
    Place - Faculty of Medicine, Peradeniya

 

Delivered Orations in Professional Symposia

  • Bibile Memorial Oration 2019 Organized by Kandy Society of Medicine.
  • Invited Speaker /Technical Presentation at International Symposium Ayurveda Expo 2015
  • Invited Speaker Personnel experience in human- animal combine research and their benefits to general public. At OPA( The organization of professional associations of Sri Lanka) 8 th April 2011
  • The International Conference on Clinical Toxicology and Pharmacology 2018 scheduled on December 3-4 2018 in Dubai, UAE.
  • College of Biochemistry – Invited speak 2018
 

Research Interests

  • Toxicology related to meta, drugs and biological samples
  • Effects of mineral at cellular level and its significance on the pathogenesis of diseases
  • Vitamin D status of our Sri Lankan Population
  • Analysis of Gall stones and Renal stones with respect to dietary pattern
  • The common edible plants  with a risk of toxicity
  • Study of the involvement of heavy metals and ceruloplasmin in epileptic patients in Sri Lanka and the effects of antiepileptic drugs on serum heavy metal concentrations
  • Effects of probiotics, fermented milk products  on serum parameters
  • Criteria for  selection of ideal probiotics
  • Effects of supplementation of Se, prebiotics, probiotics and nucleotides on  serum parameters
 
 

 

   
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