DR. RUWAN PERERA

DR. RUWAN PERERA

Ph.D. in Chemistry (UOK)
BSc (Hons in Chemistry Sp.) (UOK)
Lecturer
Department of Indigenous Medical Resources
Contact details: wprtp@gwu.ac.lk /+94 77 2521452

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ResearchGate

ACADEMIC QUALIFICATIONS

Ph.D. in Chemistry (2021 – 2024)

Department of Chemistry, Faculty of Graduate Studies, University of Kelaniya, Sri Lanka

B.Sc. in Chemistry Special (2014-2018)

Department of Chemistry, Faculty of Science, University of Kelaniya, Sri Lanka

Diploma in Psycology and Counselling (2021 – 2022)

ICBT Campus, Sri Lanka

FIELD OF SPECIALIZATION

WORK EXPERIENCE/POSITIONS HELD (INTERNATIONAL/LOCAL/UNIVERSITY LEVEL/DEPARTMENT LEVEL)

Lecturer in Chemistry – Department of Indigenous Medical Resources. Faculty of Indigenous Health Science and Technology, Gampaha Wickramarachchi University of Indigenous Medicine, Sri Lanka. (August 2021 – Present).
Member of the Governing Council - Gampaha Wickramarachchi University of Indigenous Medicine, Sri Lanka. (September 2024 – Present).
Head of the Department - Department of Indigenous Medical Resources. Faculty of Indigenous Health Science and Technology, Gampaha Wickramarachchi University of Indigenous Medicine, Sri Lanka. (November 2024 – Present).
Faculty Research Coordinator - Faculty of Indigenous Health Science and Technology, Gampaha Wickramarachchi University of Indigenous Medicine, Sri Lanka. (August 2023 – Present).
Student Councellor - Faculty of Indigenous Health Science and Technology, Gampaha Wickramarachchi University of Indigenous Medicine, Sri Lanka. (Januatry 2023 – Present).
Temporary Student Councellor - Faculty of Indigenous Health Science and Technology, Gampaha Wickramarachchi University of Indigenous Medicine, Sri Lanka. (Januatry 2022 – December 2022).
Member of Institute of Chemistry Ceylon (M.I.Chem.C.)
Temporary Lecturer - Faculty of Indigenous Health Science and Technology, Gampaha Wickramarachchi University of Indigenous Medicine, Sri Lanka. (March 2021 – August 2021).
Graduate Research Assistant - Graduate Studies Division, Gampaha Wickramarachchi Ayurveda Institute, University of Kelaniya. (August 2020 – February 2021).
Graduate Teaching Assistant - Graduate Studies Division, Gampaha Wickramarachchi Ayurveda Institute, University of Kelaniya. (February 2020- August 2020).
Graduate Research Assistant - Department of Chemistry, Faculty of Science, University of Kelaniya. (August 2018 – February 2020).
Graduate Teaching Assistant - Department of Chemistry, Faculty of Science, University of Kelaniya. (August 2018 – February 2020).
Graduate Researcher - National Institute of Fundamental Studies (NIFS), Kandy, Sri Lanka. (February 2018 - Present)

AWARDS

Vice Chancellors Award, 2024, Gampaha Wickramarachchi University of Indigenous Medicine, Sri Lanka,

1. The Outstanding Early Career Researcher in the University (2024).

2. The Outstanding Early Career Researcher in the Faculty (Faculty of Indigenous Health Sciences and Technology) (2024).

3. The researcher with the highest number of publications in the University in journals indexed in Clarivate Analytics Master Journal List, SciMago, 4* journals in Chartered Association of Business Schools (CABS) academic journals list, A*/A journal in Australian Business Deans Council (ABDC) journals list and Scopus (2024).
Vice Chancellors Award, 2023, Gampaha Wickramarachchi University of Indigenous Medicine, Sri Lanka,

4. The Outstanding Early Career Researcher in the University (2023).

5. The Outstanding Early Career Researcher in the Faculty (Faculty of Indigenous Health Sciences and Technology) (2023).

6. The researcher with the highest number of publications in the University in journals indexed in Clarivate Analytics Master Journal List, SciMago, 4* journals in Chartered Association of Business Schools (CABS) academic journals list, A*/A journal in Australian Business Deans Council (ABDC) journals list and Scopus (2023).
Senate Honors for Research – For conducting high quality research and publishing in the year 2021 in international indexed journal (Journal of Chemistry), University of Kelaniya, February 25, 2021
Senate Honors for Research – For conducting high quality research and publishing in the year 2021 in international indexed journal (EQA- International Journal of Environmental Quality), University of Kelaniya, February 25, 2021
Senate Honors for Research – For conducting high quality research and publishing in the year 2021 in international indexed journal, (Journal of Chemistry) University of Kelaniya, April 28, 2021
Senate Honors for Research – For conducting high quality research and publishing in the year 2021 in international indexed journal, (Journal of Environmental Chemical Engineering) University of Kelaniya, April 28, 2021
Senate Honors for Research- For conducting high quality research and publishing in the year 2022 in international indexed journal, (Biomed International), GWUIM February 2022
Senate Honors for Research- For conducting high quality research and publishing in the year 2024 in international indexed journal, (Chemistry and Chemical Technology), GWUIM February 2024
Senate Honors for Research- For conducting high quality research and publishing in the year 2025 in international indexed journal, (Environmental Assessment and Monitoring), GWUIM April 2025

ONGOING REASERCH/GRANTS

RESEARCH PUBLICATIONS

JOURNAL ARTICLES

R.M.H. Rajapaksa, Bingun T. Perera, M.J. Nisansala, W.P.R.T. Perera, K.G.C. Dissanayake, "Potential of Inhibiting the Receptor Binding Mechanism of SARS-COV-2 Using Phytochemical Extracts of Medicinal Herb; Molecular Docking Study" Global Journal of Engineering Science and Research Management 7(4): April, 2020.
Ruwan T. Perera, Nalika Dayananda, Shermila Botheju, Janitha A. Liyanage , Asanga Ranasinghe, Ranamuka Henayalage Karunarathne, Gardiye W. G. P. Kumara, " Toxic elements contamination in surface sediments of major tanks in Anuradhapura district; A CKDu endemic district in Sri Lanka" EQA - International Journal of Environmental Quality, 41 (2021): 40-48.
P.R.T. Perera, M. D. N. R. Dayananda, J. A. Liyanage, " Exploring the Root Cause for Chronic Kidney Disease of Unknown Etiology (CKDu) via Analysis of Metal Ion and Counterion Contaminants in Drinking Water: A Study in Sri Lanka" Journal of Chemistry (Hindawi) Volume 2020, Article ID 8670974.
Harindu Rajapaksha, Bingun Tharusha Perera , Jeewani Meepage , Ruwan Tharanga Perera and Chithramala Dissanayake "Mitigate the cytokine storm due to the severe COVID-19: A computational investigation of possible allosteric inhibitory actions on IL-6R and IL-1R using selected phytochemicals" European Journal of Chemistry 11 (4) (2020) 351-363.
A.R. Kumarasinghe, W.P.R.T. Perera , J. Bandara, P. Rukshagini, L. Jayarathe, Janitha A. Liyanage, R. Tennakone, A. Bandara, Xing CHEN, Rohan Weerasooriya "Multiple coated graphite oxide – sand composites for fluoride removal in water" Journal of Environmental Chemical Engineering 9 (2021) 104962
W.P.R.T. Perera, M. D. N. R. Dayananda, D. M. U. C. Dissanayake, R. A. S. D. Rathnasekara, W. S. M. Botheju, J. A. Liyanage , S. K. Weragoda, and K. A. M. Kularathne " Risk Assessment of Trace Element Contamination in Drinking Water and Agricultural Soil: A Study in Selected Chronic Kidney Disease of Unknown Etiology (CKDu) Endemic Areas in Sri Lanka" Journal of Chemistry (Hindawi) Volume 2021, Article ID 6627254
Rajith A. Perera, Ruwan T. Perera, Chandima. S. K. Rajapakse, “Fabrication of activated carbon/chitosan hybrid material for adsorptive removal of Pb (ll)”, Chem. Chem. Technol., 2023, Vol. 17, No. 4, pp. 903–915
W.P.R.T. Perera, Niroshan Premasinghe, W.S.K. Fernando, P.L.R.A. Perera, Chanaka Sandaruwan, A.R. Kumarasinghe, Janitha A. Liyanage, “Graphite oxide coated sand composites for efficient removal of calcium ions from hard water: isotherm, kinetics, and adsorption mechanism” Composites Theory and Practice 23: 4 (2023) 209-219
Rajith A. Perera, Ruwan T. Perera, Uditha Prabhath Liyanage, Jeewantha Premaratne Janitha A. Liyanage “Chemometric assessment of bioaccumulation and contamination pathways for toxic metals in diet and environment: implications for chronic kidney disease of unknown etiology (CKDu) in Sri Lankan agricultural regions” Environmental Monitoring and Assessment (2024) 196:1179.
Hirushi Ranasinghe, Rajith Perera, Jeewantha Premaratne, Janitha Liyanage, Ruwan Perera, “Assessment of Soil Quality and Metal Contaminants in Paddy Soils and Water in a CKDu-Affected area in Sri Lanka” RURAL SUSTAINABILITY RESEARCH 52(347), 2024

ABSTRACTS/PROCEEDINGS

Perera W.P.R.T., Liyanage J.A., "Analysis of Drinking Water quality related to Chronic Kidney Disease of unknown etiology (CKDu) of a disease prevalent area in Polonnaruwa district” Oral presentation, International Postgraduate Research Conference (IPRC), University of Kelaniya, Sri Lanka, 2018.
Perera W.P.R.T., Liyanage J.A., "Analysis and Speciation of Drinking Water in some areas prevailing Chronic Kidney Disease of unknown etiology (CKDu) in Sri Lanka” - Oral presentation, 23rd International Forestry and Environment Symposium, University of Sri Jayawardenapura, Sri Lanka, 2018.
Perera W.P.R.T., Liyanage J.A., Weerasooya R., Kumarasinghe A.R., "Production and characterization of graphite oxide based super sand and investigation for fluoride Adsorption capacity”-Oral presentation at postgraduate institute of science, University of Peradeniya, 2018.
Perera W.P.R.T., Liyanage J.A., Weerasooya R., Kumarasinghe A.R., "Investigation of fluoride adsorption capacity of characterized graphene oxide based super sand”- Oral presentation at 3rd International Research Symposium on Pure and Applied Sciences, University of Kelaniya, 2018.
Perera W.P.R.T., Rathnasekara R.A.S.D., Liyanage J.A., "Analysis of water quality and evaluation of drinking water sources in CKDu affected Thalawa divisional secretariat area in Anuradhapura district" - International Symposium on Water and Air Pollution - Recent Trends in Research, Post graduate institute of science, University of Peradeniya, 2019.
Niroshan Premasinghe, Ruwan T. Perera, A.R. Kumarasinghe, Janitha A. Liyanage, Rohan Weerasooriya "Colunm experiment to assess Fluoride removal by super sand fabricated by vein graphite"- Poster presentation at Young Scientist's Symposium on Multidisciplinary Research 2019 (NIFS- YSSMR-2019), 2019.
W.P.R.T Perera, M.D.N.R. Dayananda, W.S.M. Botheju, J.A. Liyanage, "Assessment of ground water contamination with environmental toxicants in CKDu endemic area, Polonnaruwa, Sri Lanka" - Oral presentation at International Research symposium on pure and applied science, University of Kelaniya, 2019
M.D.N.R. Dayananda, W.S.M. Botheju, W.P.R.T Perera, J.A. Liyanage, "Investigation of special distribution of fluoride in drinking water sources in CKDu prevalence areas in Sri Lanka using GIS"- Oral presentation at International Research symposium on pure and applied science, University of Kelaniya, Sri Lanka, 2019.
Rathnasekara R.A.S.D., Perera W.P.R.T., Liyanage J.A., "Water quality of drinking water sources in Eppawala in Anuradhapura district, Sri Lanka" - Poster presentation at 24th International Forestry and Environment Symposium, University of Sri Jayawardenapura, Sri Lanka, 2019.
Dissanayake D.M.U.C., Perera W.P.R.T., Liyanage J.A., "Analysis of heavy metal contamination and soil phosphate in agricultural lands in CKD prevalence areas in North Central Province of Sri Lanka"- Oral presentation at 24th International Forestry and Environment Symposium, University of Sri Jayawardenapura, Sri Lanka, 2019.
Chandrasoma S.D.I.A., Perera W.P.R.T., Liyanage J. A., "Investigation of risk factors of Drinking water related to Chronic Kidney Disease of unknown ethology in a CKD prevalence area in Mathale district"- Oral presentation at 24th International Forestry and Environment Symposium, University of Sri Jayawardenapura, Sri Lanka, 2019.
Dayananda M.D.N.R., Botheju W.S.M., Perera W.P.R.T., Liyanage J.A., "Spatial distribution of nephrotoxic heavy metals in Chronic Kidney Disease of unknown etiology prevalence areas via water analysis, Sri Lanka"- Poster presentation at 24th International Forestry and Environment Symposium, University of Sri Jayawardenapura, Sri Lanka, 2019.
Botheju W.S.M., Dayananda M.D.N.R., Perera W.P.R.T., Liyanage J.A., "Investigation of spatial distribution patterns of environmental toxicants in major reservoirs, Anuradhapura, Sri Lanka" - Oral presentation at 24th International Forestry and Environment Symposium, University of Sri Jayawardenapura, Sri Lanka, 2019.
Perera, W.P.R.T., Dayananda, M.D.N.R., Botheju, W.S.M., Liyanage, J.A., Ranasinghe, A., Karunarathne, R.H., and Kumara, G.W.G.P. "Contribution of contaminated sediments in irrigatory tanks to CKDu prevalence; a study in Anuradhapura, Sri Lanka"- Oral presentation at 1ST International conference on biodiversity and environment management, Galle face hotel, Colombo, 2019.
W.P.R.T. Perera, D.M.U.C. Dissanayake, Amila T. Kannangara, Janitha A. Liyanage, "Assessment of the heavy metals in rice grains grown in Phosphate rich paddy soil in CKDu endemic area in Eppawala, Anuradhapura"- Oral presentation at International Postgraduate Research Conference (IPRC), University of Kelaniya, Sri Lanka, 2019.
W.P.R.T. Perera, W.S.K. Fernando, Niroshan Premasinghe, Janitha A. Liyanage and A.R. Kumarasinghe, "Synthesis of surface- modified graphene-based sand for fluoride removal from the drinking water"- Oral presentation at International Postgraduate Research Conference (IPRC), University of Kelaniya, Sri Lanka, 2019.
A.A.V.N. Weerasinghe, W.P.R.T. Perera, J.A. Liyanage, "Speciation distribution of analyzed drinking water in a CKDu endemic area in the Anuradhapura district"- Oral presentation at International Postgraduate Research Conference (IPRC), University of Kelaniya, Sri Lanka, 2019.
K.A.M. Kularathne, R. Perera, R. Weerasooriya, A.R. Kumarasinghe, "Potential of Hardness Removal Using Graphite Based Nano Material"- Poster presentation at IWA Conference, International water association, BMICH, Colombo, Sri Lanka, 2020.
W.P.R.T Perera, M.D.N.R. Dayananda, W.S.M. Botheju, J.A. Liyanage, "Is the Long-term Exposure to trace elements and fluoride the main factor for prevalence of CKDu?"- Oral presentation at 7th Ruhuna international science and technology conference, University of Ruhuna, Sri Lanka, 2020.
W.P.R.T Perera, M.D.N.R. Dayananda, W.S.M. Botheju, J.A. Liyanage, "Effect of fertilizer application to the agricultural soil and the determination of soil to plant transfer coefficient of selected elements" - Oral presentation at 1st International conference on Frontiers in Chemical Technology, Institute of Chemistry, Ceylon, 2020.
Niroshan Premasinghe, W.P.R.T. Perera, W.S.K. Fernando, Janitha A. Liyanage and A.R. Kumarasinghe, "Study of aqueous calcium ion adsorption competence by core-shell adsorbent granules engineered from sand/graphene oxide Nano-composite"- Oral presentation at 1^st International conference on Frontiers in Chemical Technology, Institute of Chemistry, Ceylon, 2020.
W.P.R.T Perera, M.D.N.R. Dayananda, W.S.M. Botheju, J.A. Liyanage, "Risk assessment of exposure to toxic metals via drinking water: A study in some CKDu endemic areas, Sri Lanka"- Oral presentation at International Conference on Environmental Monitoring and Management, Center for Environmental Studies, University of Peradeniya, Sri Lanka, 2020.
Harindu Rajapaksha, Bingun T. Perera, J. N. Meepage, W. P. R. T. Perera, K. G. C. Dissanayaka, "Allosteric inhibitory actions on Interleukin 6 and Interleukin 1 using selected bioactive compounds to mitigate the cytokine storm; A computational investigation", Fostering healthcare needs through Research and Innovation, At: Faculty of Allied Health Sciences, University of Sri Jayewardenepura
Harindu Rajapaksha, Channa De Silva, W. P. R. T. Perera, "Computational Studies of Antioxidant Properties of Glycyrrhiza glabra (Licorice) Extract", ACS Spring Meeting 2021
Dharani Wanigasekara, Hiruni Gunathilaka, W. P. R. T. Perera "IN-VITRO ANTIBACTERIAL POTENTIAL OF PTEROCARPUS MARSUPIUM (GAMMALU) LATEX AGAINST SELECTED HUMAN PATHOGENIC BACTERIAL STRAINS', 7 th International Conference on Ayurveda, Unani, Siddha and Traditional Medicine At: INSTITUTE OF INDIGENOUS MEDICINE - UNIVERSITY OF COLOMBO
Rajith Perera, W. P. R. T. Perera, Janitha A. Liyanage, "Risk assessment of bioaccumulation of toxic metals in rice grains (Oryza sativa) in a CKDu endemic area; A study in Mihintale division, Sri Lanka" Research Symposium of the Faculty of Allied Health Sciences - RuFARS 2021, At: University of Ruhuna
H. T. D. R. Karunadasa, Shermila Botheju, Nalika Dayananda, W. P. R. T. Perera, Janitha A. Liyanage "Assessment of health risk using the daily intake of nephrotoxic trace metals via drinking water: a case study in Rideemaliyadda-South, CKDu endemic area, Sri Lanka" Research Symposium of the Faculty of Allied Health Sciences University of Ruhuna, Galle, Sri Lanka, At: Faculty of Allied Health Sciences, University of Ruhuna
Dharani Wanigasekara, W. P. R. T. Perera, Tharindra Weerakoon "Antibacterial Potential of Myristica fragrans (Nutmeg) Pericarp Extract Against Selected Bacterial Strains", 4th Research Symposium of the Faculty of Allied Health Sciences, University of Ruhuna, Galle, Sri Lanka At: University of Ruhuna, Sri Lanka
Niroshan Premasinghe, W. P. R. T. Perera , Samadhi Fernando, A. R. Kumarasinghe, Rohan Weerasooriya, Janitha Liyange, "Chemical Dynamics of Calcium Ion Adsorption by Core-Shell Adsorbent Granules Fabricated from Sand/Graphene Oxide Nano-Composite", iPURSE2021,At: University of Peradeniya, Sri Lanka
W. P. R. T. Perera , Bingun T. Perera, Harindu Rajapaksha, S. D.I. A. Chandrasoma, J. A. Liyanage "Comparison of Water Quality in a CKDu Hot Spot with a Reference Area Based on Topographic Point of View: A Study Based in Mathale District, Sri Lanka", iPURSE2021,At: University of Peradeniya, Sri Lanka
M. K.J. K. Kumari, Jeewantha Premarathna, Rajith Perera, W. P. R. T. Perera, J. A. Liyanage "Bioaccumulation of toxic metals in Oryza sativa grown in North Central Province in Sri Lanka", International Symposium on Agriculture and Environment (ISAE), 2022, At: University of Ruhuna, Sri Lanka.
Rajith Perera, W. P. R. T. Perera, J. A. Liyanage, Jeewantha Premarathna "Health risk analysis of toxic metals via consumption of rice and other food species grown in Mahakanadarawa -Maradankulama areas in Anuradhapura district; A study in Sri Lanka", International Conference on Applied and Pure Sciences (ICAPS), At: University of Kelaniya, Sri Lanka.
W. P. R. T. Perera, Mokshara Sampath, Rajith Perera, J. A. Liyanage, Jeewantha Premarathna "Evaluation of toxic metal contamination in surface sediments and water in Mahakanadarawa tank; Anuradhapura, Sri Lanka", International Conference on Applied and Pure Sciences, 2022, Faculty of Science, University of Kelaniya, Sri Lanka.
Hirushi Ranasinghe, Jeewantha Premarathna, Rajith Perera, W. P. R. T. Perera, J. A. Liyanage "Risk assessment of toxic metal contamination in groundwater and paddy soil; A study in CKDu affected Maradankulama area in Anuradhapura, Sri Lanka", International Conference on Applied and Pure Sciences, 2022 Faculty of Science, University of Kelaniya, Sri Lanka, At: University of Kelaniya, Sri Lanka
W. P. R. T. Perera, Rajith Perera, Lahiru Perera, J. A. Liyanage, Jeewantha Premarathna "Toxic metal contamination of inland fish (etroplus suratensis) in mahakanadarawa reservoir: a study in a ckdu prevalent area, sri Lanka" PGIS Research Congress, 2022, University of Peradeniya, At: University of Peradeniya.
M. K.J. K. Kumari, Jeewantha Premarathna, Rajith Perera, W. P. R. T. Perera, J. A. Liyanage "Investigation of Toxic Metals in Parboiled Rice Grown in Anuradhapura District", International Conference on Innovation and Emerging Technologies (ICIET) 2022At: University of Sri Jayewardenepura.
Rajith Perera, W. P. R. T. Perera, J. A. Liyanage, Jeewantha Premarathna "A comparison of food contamination by heavy metals/metalloids in CKDu prevalent areas and a reference area; A study in Sri Lanka." International Postgraduate Research Conference – 2022, At: University of Kelaniya, Sri Lanka.
M. K.J. K. Kumari, Jeewantha Premarathna, Rajith Perera, W. P. R. T. Perera, J. A. Liyanage "Investigation of toxic metals contamination status in red raw rice (Bg 350) grown in North Central Province in Sri Lanka.", International Postgraduate Research Conference – 2022, At: University of Kelaniya, Sri Lanka.
W. P. R. T. Perera, Rajith Perera, J. A. Liyanage, A.R. Kumarasinghe, "Adsorptive removal of Cd (II) from aqueous solutions by sand/graphite oxide nano-composites: characterization, isotherm, and kinetic studies", International Postgraduate Research Conference (IPRC) 2022. At: University of Kelaniya.
W. P. R. T. Perera, Rajith Perera, J. A. Liyanage, A.R. Kumarasinghe, "Core-Shell Adsorbent Granules Fabricated from Sand/Graphene Oxide Nanocomposite for Adsorptive Removal of Pb (II)", 27th International Forestry and Environment Symposium 2023 of the Department of Forestry and Environmental Science, University of Sri Jayewardenepura, Sri Lanka.
V. H. N. M. Gunathilaka, W. P. R. T. Perera, P. L. R. A. Perera, C. Kadigamuwa, J. A. Liyanage, and W. A. P. J. Premaratne.” Toxic metal contamination in food chains via paddy plant; A study in CKDu endemic area in Northwestern Province, Sri Lanka” International Postgraduate Research Conference (IPRC) - 2023 Proceedings of the 23rd Conference 24th November 2023, Kelaniya, Sri Lanka
K. A. D. D. Sakunthala, P. L. R. A. Perera, W. P. R. T. Perera, J. A. Liyanage and W. A. P. J. Premaratne,”Impact of organic farming practices on toxic metal accumulation in topsoil in paddy areas: A comparative study in Sri Lanka” International Postgraduate Research Conference (IPRC) - 2023 Proceedings of the 23rd Conference 24th November 2023, Kelaniya, Sri Lanka
M. A. S. N. Perera, W. P. R. T. Perera, P. L. R. A. Perera, C. Kadigamuwa, J. A. Liyanage, and W. A. P. J. Premaratne, “Exploring the toxic metal contamination and unveiling the risks in staple grains grown in a CKDu hotspot in Sri Lanka.” International Postgraduate Research Conference (IPRC) - 2023 Proceedings of the 23rd Conference 24th November 2023, Kelaniya, Sri Lanka
W. P. R. T. Perera, P. L. R. A. Perera, J. A. Liyanage, A. R. Kumarasinghe,” Advancements in multifunctional core-shell adsorbent comprising graphene oxide/ sand for adsorptive removal of water contaminants.” International Postgraduate Research Conference (IPRC) - 2023 Proceedings of the 23rd Conference 24th November 2023, Kelaniya, Sri Lanka
P. L. R. A. Perera, W. P. R. T. Perera, U. P. Liyanage, W. A. P. J. Premaratne and J. A. Liyanage “Distribution of heavy metals across different tissue types in Etroplus suratensis from Mahakanadarawa reservoir: Investigating dietary implications for CKDu in Sri Lanka.” International Conference on Applied and Pure Sciences, 2023 Faculty of Science, University of Kelaniya, Sri Lanka.
W. P. R. T. Perera, N.M.N Ruwanthi, P. L. R. A. Perera, Amila Kannangara, W.A.P.J Premarathna, J. A. Liyanage, and A. R. Kumarasinghe “Development of sand/graphene composite and its application for MCPA pesticide adsorption from water” International Conference on Applied and Pure Sciences, 2023 Faculty of Science, University of Kelaniya, Sri Lanka.
M. A. S. N. Perera, C. C. Kadigamuwa, V. H. N. M. Gunathilaka, G. A. Samaraweera, W. P. R. T. Perera, P. L. R. A. Perera, J. A. Liyanage1 and W. A. P. J. Premaratne “Assessment of contaminant levels of hazardous toxic metals and subsequent risk analysis in agricultural soil and selected comestibles within a region afflicted by CKDu in Sri Lanka” International Conference on Applied and Pure Sciences, 2023 Faculty of Science, University of Kelaniya, Sri Lanka.
Perera, K.G.G.T., Ranasinghe, R.A.H.B., Perera, P.L.R.A., Perera, W.P.R.T., Premaratne, W.A.P.J., Liyanage, J.A. “Comparative Analysis of Physiochemical Properties and In Vitro Antioxidant Potency Among Morphotypes of Centella asiatica Grown in Sri Lanka” Proceedings of the 28th International Forestry and Environment Symposium 2024 of the Department of Forestry and Environmental Science, University of Sri Jayewardenepura, Sri Lanka.
Perera, W.P.R.T., Ruwanthi, N.M.N., Perera, P.L.R.A., Vitharama, A.V.A.P, Liyanage, J.A., Kumarasinghe, A.R. “Graphene Oxide Coated Sand Composites as Molecular Sieves to Mitigate Water Contaminants” Proceedings of the 28th International Forestry and Environment Symposium 2024 of the Department of Forestry and Environmental Science, University of Sri Jayewardenepura, Sri Lanka.
K.A.D.D. Sakunthala, P.L.R.A. Perera, W.P.R.T. Perera, J.A. Liyanage, and W.A.P.J. Premaratne, “OPTIMIZATION OF RICE HUSK-DERIVED ACTIVATED CARBON FOR EFFICIENT METHYLENE BLUE ADSORPTION: KINETICS AND EQUILIBRIUM STUDIES” Proceedings of the 2nd International Conference on Frontiers in Chemical Technology, 20 - 22 June 2024.
Yasandhika K. K. G. N, Perera P. L. R. A., Perera W. P. R. T., Premaratne W. A. P. J., and Liyanage J. A. “Risk assessment of toxic heavy metals in Oryza sativa (rice) from CKDu prevalent areas: Dambagolla and Minipe, Sri Lanka” International Conference on Applied and Pure Sciences, 2024 Faculty of Science, University of Kelaniya, Sri Lanka.
Sakunthala K. A. D. D., Perera P. L. R. A., Perera W. P. R. T., Premaratne W. A. P. J., and Liyanage J. A. “Enhancing methylene blue removal efficiency using rice-husk derived, modified activated carbon via magnetic particle integration” International Conference on Applied and Pure Sciences, 2024 Faculty of Science, University of Kelaniya, Sri Lanka.
Sakalasuriya D. D., Perera P. L. R. A., Perera W. P. R. T., Sakunthala K. A. D. D., Premaratne W. A. P. J., and Liyanage J. A. “Assessment of derivative spectrophotometry for analyzing competitive adsorption of brilliant green and methylene blue using multiple coated graphite oxide/sand composite” International Conference on Applied and Pure Sciences, 2024 Faculty of Science, University of Kelaniya, Sri Lanka.
Lakshan L. M. U., Sakunthala K. A. D. D., Perera P. L. R. A., Perera W. P. R. T., Liyanage J. A., and Premaratne W. A. P. J. “Assessment of heavy metal contamination in surface water, sediment and paddy soil in CKDu endemic regions: A comparative study in Minipe and Dambagolla, Sri Lanka” International Conference on Applied and Pure Sciences, 2024 Faculty of Science, University of Kelaniya, Sri Lanka.
K.A.D.D. Sakunthala, P. L. R. A. Perera, W. P. R. T. Perera, J. A. Liyanage, and W.A.P.J. Premaratne, “Statistical Assessment of Toxic Metal Concentrations and its Correlations in Paddy Soils: Comparing the Impact of Chemical and Organic Agricultural Practices in Sri Lanka” 2nd International Research Symposium on Multidisciplinary Approaches in Indigenous Knowledge Systems.
Subhashini G.D.E., Perera W.P.R.T., Rajapakse C.S.K. “Green Synthesis of Silver Nanoparticles using Aqueous Plant Extract of Glycyrrhiza Glabra, Vateria Copallifera, Hemidesmus Indica and Rubia Cordifolia and Evaluation of its Antimicrobial, Antioxidant and Anti-Inflammatory Activities” 2nd International Research Symposium on Multidisciplinary Approaches in Indigenous Knowledge Systems.

REVIEW ARTICLES

Dissanayake K.G.C. and Perera W.P.R.T. "Medicinal importance of Ferula asafetida oligo-gum resins against infective diseases" Journal of Medicinal Plants Studies 2020; 8(2): 135-139.
K. G. C. Dissanayake, W. P. R. T. Perera and N. Premasinghe, "Immunomodulatory efficiency of Tinospora cordifolia against viral infections" World journal of pharmaceutical and medical research 2020,6(5), 22-28.
Dissanayake K.G.C, Weerakoon W.M.T.D.N, Perera W.P.R.T, "Root/Stem Extracts of Glycyrrhiza glabra; As a Medicinal Plant Against Disease Forming Microorganisms" International Journal of Sciences: Basic and Applied Research (IJSBAR) (2020) Volume 51, No 1, pp 1-11.
K. G. C. Dissanayake, B. T. Perera and W. P. R. T. Perera "Potential of the pathogenic microorganisms' mitigation using rhizome extract of Acorus calamus as a medicinal herb" World Journal of Pharmacy and Pharmaceutical Sciences, Vol 9, Issue 5, 2020.
K.C.G. Dissanayake, W.S.K.Fernando, W.P.R.T. Perera, "Investigation of the phytochemistry of Coriandrum sativum to combat against viral infections" International Journal of Innovative Pharmaceutical Sciences and Research, 8 (06), 2020, 1-10.
W.P.R.T. Perera, J.A Liyanage, K.G.C. Dissanayake, W.A.L. Chandrasiri and Hiruni Gunathilaka, A review on pharmacological activities and anti-microbial properties of Nigella sativa and isolated Thymoquinone, Journal of Medicinal Plants Studies 2021; 9(3): 118-122
W. M. T. D.N. Weerakoon, W. P. R.T. Perera, R. M. H. Rajapaksha, J. A. Liyanage, A review on bioactive compounds and pharmacological activities of Myristica fragrans as a medicinal plant, International Journal of Innovation Scientific Research and Review, Vol. 03, Issue, 06, pp.1316-1320, June, 2021

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