Kanatiwela, C, Wijesekra, R, Udagama, PV(2013). Diagnostic specificity,sensitivity and cross reactivity of In house established indirect ELISA for detection of Weligama Coconut Leaf Wilt Disease associated Phytoplasm. Proceedings of the 69^th Annual sessions of the Sri Lanka Association for the Advancement of Science (2013), Pp 105

Gunasekera SK, Perera KA, Udagama PV(2013). Development and Testing of Indirect ELISAs for the Detection of IgG Antibody to High-risk Human Papilloma Virus Types 16 and 18 in Oral and Pharyngeal Cancer Patients in Sri Lanka. Proceedings of the 33^rd Annual sessions of Institute of Biology, Sri Lanka. Pp 60.

Udagama, PV, Vithanapathirana, M, Wijayanama(2013), C. Developing a service-learning model-An effective educational tool in higher education for Sri Lanka. Proceedings of the 69^th Annual sessions of the Sri Lanka Association for the Advancement of Science, Pp 183

Goonawadhana, NDS, Fernandopulle, ND, Udagama, PV, Illeperuma, RJ (2013). Application of miniaturized human STRs (Mini-STRs) in DNA based identification of a formalin fixed foetus: A case report. Proceeding of the Annual Research Symposium, University of Colombo, Pp 187

Kanatiwela, C, Wijesekra, R, Udagama, PV(2013).A simple, cost effective and sensitive Immuno-dot blot assay for detection of Weligama Coconut Leaf Wilt Disease associated phytoplasma. Proceeding of the Annual Reseach Symposium, University of Colombo, Pp 188

Kanatiwela, C, Wijesekra, R, Udagama, PV(2013).A simple, cost effective and sensitive Immuno-dot blot assay for detection of Weligama Coconut Leaf Wilt Disease associated phytoplasma. Proceeding of the Annual Research Symposium, University of Colombo, Pp 188

Hewavithana DK, Wijesinghe MR, Udagama PV(2013). A Comparison of Gastrointestinal Parasites of Large Mammals in the Wasgamuwa National Park with Their Captive Counterpart at the Zoological Gardens, Sri Lanka. Proceedings of the 33^rd Annual sessions of Institute of Biology, Sri Lanka.Pp 57

Hewavithana DK, Wijesinghe MR, Udagama PV(2013). A Comparison of Gastrointestinal Parasites of Large Mammals in the Wasgamuwa National Park with Their Captive Counterpart at the Zoological Gardens, Sri Lanka. Proceedings of the 33^rd Annual sessions of Institute of Biology, Sri Lanka.Pp 57

Kanatiwela C, Amarasekara S, Wijesekera R and Udagama P V (2012).Validation of Indirect Enzyme Linked Immunosorbant Assay (ELISA) developed against Weligama coconut leaf wilt disease (WCLWD) causing phytoplasma. Annual Research Symposium, University of Colombo,Pp 289-293.

Kanatiwela C, Amarasekara D S, WijesekaraR, Udagama P V(2012). Validation of Enzyme Linked Immunosorbant Assay (ELISA) for the detection of Weligama Coconut Leaf Wilt Disease (WCLWD).Proceedings of The Young Scientists Forum Symposium 2012, Pp 26. (awarded a merit certificate for the oral presentation).

Amarasinghe S, Kathriarachchi H and Udagama P (2012). Predicting the conformational epitope regions of potential asexual erythrocytic stage vaccine candidate antigens of Plasmodium vivax using bioinformatics tools. Allergy & Immunology Society of Sri Lanka, 6^th Biennial Scientific Sessions, pp 21

Priyadarshani S, Wickramasinghe D D, and Udagama, P V (2012). Phagocytosis as a biomarker to detect environment pollution by heavy metals using an amphibian model Euphlyctis hexadactylus (Ranidae): A pilot study. Allergy & Immunology Society of Sri Lanka, 6^th Biennial Scientific Sessions, pp 40.

Priyadarshani S, Wickramasinghe D D, and Udagama, P V (2012). Phagocytosis as a biomarker to detect aquatic heavy metal pollutionin Euphlyctis hexadactylus (Ranidae): An in depth in vitro study. 17^th International Forestry and Environment Symposium, Pp 44.

Dias S, Premaratne P H and Udagama P V (2012). Mapping and polymorphism of B and T cell epitopes on asexual erythrocytic stage malaria vaccine candidate antigens in Sri Lanka. Proceedings of The Young Scientists Forum Symposium 2011, Pp 08. (awarded a merit certificate for the oral presentation).

Premaratne P H, Shakri A R, Chitnis C E and Udagama P V (2012). In vivo correlate of protection against Plasmodium vivax Duffy Binding Protein II in Sri Lanka. General Sir John Kotelawala Defence University Symposium.

Dias S, Wickramarachchi T, Sahabandu I, Escalante A A and Udagama PV (2012). Genetic diversity of the Plasmodium vivax circumsporozoite protein (Pvscp) in Sri Lanka. Annual Research Symposium, University of Colombo, Pp 276-278.

Bamunuarachchi B A G S, Ratnasooriya W D, Premakumara G A S and Udagama, P V (2012). Effect of ethanolic leaf extract of Artemisia vulgaris on thrombocyte related pathology associated with Plasmodium berghei rodent malaria. Allergy & Immunology Society of Sri Lanka, 6^th Biennial Scientific Sessions, pp 25.

Bamunuarachchi B A G S, Ratnasooriya W D, Premakumara G A S and Udagama, P V (2012). Effect of Artemisia vulgaris ethanolic leaf extracton end-stage disease associated with Plasmodium berghei rodent malaria. Pandit G P Wickramarachchi Memorial International Research Symposium, Pp 45

Kanatiwela C, Sundaralingam T, Wijesekera R and Udagama, P (2012). Detection of Weligama coconut leaf wilt disease by indirect ELISA. Allergy & Immunology Society of Sri Lanka, 6^th Biennial Scientific Sessions, pp 22.

Bamunuarachchi B A G S, Premakumara G A S,Udagama P V,Ratnasooriya W D (2012). Anti-pyretic and Antinociceptive Activities of Artemisia vulgaris Ethanolic Leaf Extract in a Murine Model. Proceedings of The Young Scientists Forum Symposium 2012, Pp 20.

Bamunuarachchi B A G S, Ratnasooriya W D, Premakumara G A S and Udagama-Randeniya, P V (2011). Study of antimalarial activity of Artemisia vulgaris leaf extract using the Plasmodium bergeimurine model. Proceedings of the 31^st Annual sessions of Institute of Biology, Sri Lanka. Pp 50.

GammulleA S, Ratnasooriya W D, Jayakody J R A C, Fernando C and Udagama-Randeniya P V (2011). Some pharmacological effects of Carica papaya leaf concentrate in rats. Proceedings of the 3^rd International Conference on Medical Plants and Herbal Products, Colombo, Sri Lanka. Pp S9

Kanatiwela C, Shanmuganathan N, Weerakoon D, Premawansa S, Wijesekera R and Udagama-Randeniya, P V (2011). Purification of phytoplasma associated with the Weligama coconut leaf disease for production of diagnostic polyclonal antibodies. Proceedings of the 31^st Annual sessions of Institute of Biology, Sri Lanka. Pp 36.

Priyadarshani S, Wickramasinghe D D, de Silva D N and Udagama-Randeniya, P V (2011). Phagocytosis as a biomarker of immnotoxicity in response to selected heavy metalsin Euphlyctis hexadactylus (Ranidae): A pilot study. Proceedings of the 31^st Annual sessions of Institute of Biology, Sri Lanka. Pp 34.

Dangampola N I, Jayasekera L A J P K, Perera I C and and Udagama-Randeniya P V (2011). Parasites of mammals housed in the National Zoological Gardens, Sri Lanka. Proceedings of the 31^st Annual sessions of Institute of Biology, Sri Lanka. Pp 52.

Gammulle A S, Ratnasooriya W D, Nagananthini S and Udagama-Randeniya P V (2011). Effect of Carica papaya leaves on rat platelet count and RBC permeability. Proceedings of the 31^st Annual sessions of Institute of Biology, Sri Lanka. Pp 48.

Gammulle A S, Ratnasooriya W D, and Randeniya P V (2011). Effect of Carica papaya leaf concentrate on rat platelet count. Fourth Annual Scientific Sessions of the Institute of Biochemistry, Molecular Biology and Biotechnology, University of Colombo, Sri Lanka. Pp 40.

Bamunuarachchi B A G S, Ratnasooriya W D, Premakumara G A S and Udagama-Randeniya, P V (2011). Antimalarial activity of Artemisia vulgaris ethanolicleaf extractin a Plasmodium bergeimurine malaria model. Proceedings of the 3^rd International Conference on Medical Plants and Herbal Products, Colombo, Sri Lanka. Pp 82

Madushani, W A N, Wickramasinghe, D D and Udagama-Randeniya, P V (2010).Use of amphibians as environmental markers for ecoimmunotoxicological studies in Sri Lanka:A preliminary study. 15^th International Forestry and Environment Symposium, Pp 64.

Obeysekera M P, Wijerathna S, Fernando C and Udagama-Randeniya P V (2010). Study of macrophage migration inhibitory factor (MIF) in seminal fluid as a marker of male infertility in Sri Lanka: a preliminary investigation. Allergy & Immunology Society of Sri Lanka, 5^th Biennial Scientific Sessions, pp 24.