Mr. R. G. W. D. B. Rajapaksha

B. Pharm (KDU), MPhil (SLINTEC)

Pharmacy
Faculty of Health Sciences
Website RG GS
Lecturer (Unconfirmed)
Contact:

Colombo Regional Center, Department of Pharmacy, Faculty of Health Sciences, The Open University of Sri Lanka

Office: 112881355, Ext:

E-mail: rgwra@ou.ac.lk

Web: https://www.linkedin.com/in/weranga-rajapaksha-05130710a/


I’m a Bachelor of Pharmacy Honours degree graduate at General Sir John Kotelawala Defence University in 2017. I completed an MPhil degree in Nano and Advanced technology at SLINTEC in 2022 specializing in Nanomedicine. I worked as a research scientist in the Synthetic and Medicinal Organic Laboratory at SLINTEC. I worked as a lecturer in Pharmaceutical Sciences at the Faculty of Health Sciences, Cinec Campus, Malabe from 2020 to 2022. I’m interested in the development of novel drug delivery systems, and the synthesis of active pharmaceutical ingredients & their analogues and nanomedicines.

Areas of Specialization:

Drug Development, Physical Pharmacy, Pharmaceutical Technology, Novel Drug Delivery systems, Nanomedicine

Research interests:

Drug Development, Novel Drug Delivery systems, Nanomedicine, Synthetic Organic Chemistry

Course Coordination:

FMU6207 Drug Development

FMU 5403 Pharmaceutical Technology I

FMU 5504 Pharmaceutical Technology II

FMU3302 Physical Pharmacy

Awards:

Best Poster presentation award for the research poster at the 11th International Research Conference, General Sir John Kotelawala Defence University.

Vice-Chancellor’s Award for outstanding leadership at the General Convocation of the Sri Lanka Institute of Nanotechnology, 2022

Researches:

Ferrous ascorbate and folic acid delivery system by using biopolymeric nanoparticles.

Publications:

Journal Articles

Dhanushi T Welideniya, Ph.D; Adeesha Saseenda Jayathilaka, BS; Anjana Delpe Acharige, BS; Upamalika Samanthi, MS; Umayangani Wanninayake, Ph.D; Shashika Sevvandi Perera, BS; Weranga Rajapaksha, BS; Chamod C Fernando, BS; Madhavi Hewadikaram, BS; Janani Buddhika, BS; Pivini Gunasekara, BS; Veranja Karunaratne, Ph.D; G. A. J. Amaratunga, PhD, “Practical and Scalable Synthesis of Beclomethasone Dipropionate”, Steroids, 2021; 108948, ISSN 0039-128X, https://doi.org/10.1016/j.steroids.2021.108948

Senadeera, S. P. N. N., Fernando, K. S. K., Wickramasekara, W. L. L. N., Fernando, M. Y. S., Ranaweera, C. B., Weranga Rajapaksha, & Silva, A. R. N., “Antibacterial Activity of Endemic Artocarpus nobilis Thw Found in Sri Lanka”. South Asian Journal of Research in Microbiology, 2021; 11(3), 35-4., https://doi.org/10.9734/sajrm/2021/v11i330254

Senadeera, S. P. N. N., Fernando, K. S. K., Wickramasekara, W. L. L. N., Fernando, M. Y. S., Ranaweera, C. B., Weranga Rajapaksha, & Silva, A. R. N., “In vitro Anti-inflammatory Activity of Endemic Artocarpus nobilis Thw Found in Sri Lanka”. Asian Plant Research Journal, 2021; 08 (04): 116-122, https://doi.org/10.9734/aprj/2021/v8i430192

Abeykoon AMAU, De Silva GMCP, Karunathilake KTSS, Rajapaksha RGWDB, Silva ARN, Bandara AWMKK, Pathirana RN, “Evaluation of in vitro Anti-inflammatory and Antibacterial Activities of Leaves, Roots and Combination of Leaves and Roots Extracts of Plant Magnolia figo”. Sri Lanka Journal of Indigenous Medicine (SLJIM), 2021; 06 (02): 483-494, ISSN 2013-9238

RGWDB Rajapaksha, BAR Fernando, TMAB Thennakoon, ARN Silva, “Phytochemical Analysis of Extracts of Ipomoea aquatica, Lasia spinosa, Pistia stratiotes and Monochoria vaginalis Growing in Polluted Water in Sri Lanka”. South Asian Research Journal of Natural Products, 2021;4(2), 11-17.

RGWDB Rajapaksha, ARN Silva, BAR Fernando, TMAB Thennakoon, WD Ratnasooriya,“Evaluation of in vitro antibacterial activity of extract of semi-aquatic plants growing in the polluted water of Sri Lanka”. International Journal of Pharmacognosy and Life Science. 2020; 1(1): 42-50.

N.T. Thotawatte, H. H. V. K. N. De Silva, RGWDB Rajapaksha, “Prescription Analysis of short dosage forms of metformin as monotherapy or combined therapy in type II diabetes mellitus; pilot study”CINEC Academic Journal, 2020 4, 59-61

 

Poster presentations

WM Pabasara, GLGS Liyanage, DMRB Thanayamwatta, RGWDB Rajapaksha, RN Pathirana, MA Siriwardhene and ARN Silva, “Evaluation of In vitro Anti-inflammatory Activity of Ethanol and Aqueous Extracts of the Whole Plant of Cardiospermum Halicacabum General Sir John Kotelawala Defence University 14thInternational Research Conference, 2021.

N.T. Thotawatte, H. H. V. K. N. De Silva, RGWDB Rajapaksha, “Prescription Analysis of short dosage forms of metformin as monotherapy or combined therapy in type II diabetes mellitus; pilot study CINEC Student Research Symposium, 2020.

T.D.B.Kangara, S.D.Senanayake, K.A.Siriwardhana, N.W.A.N.Maanisha, G.A.J.Rathnasekara, H.H.V.K.N.De Silva, R.G.W.D.B.Rajapaksha, “Qualitative and Quantitative Analysis of Dispensing of OTC Medicine Usage in Community Pharmacy Outlets, Sri Lankan Perspectives; A Pilot Study”, CINEC Student Research Symposium, 2020.

I. H. V. Nicholas, Weranga Rajapakse, G. A. J. Amaratunga, D. N. Karunaratne, V. Karunaratne, “A nano-delivery system for combination therapy of iron and folic acid” Asian Symposium on Medicinal Plants, Spices and Other Natural Products XVI, 2018.

RARS Ranasinghe, KAU Jayawardena, RGWDB Rajapaksha, ARN Silva, V Nawarathne, “Evaluation of in vitro antibacterial effect of Lawsonia inermis L. plant against Acinetobacter baumannii and Pseudomonas aeruginosaGeneral Sir John Kotelawala Defence University 11th International Research Conference, 2018.

RGWDB Rajapaksha, ARN Silva, BAR Fernando, TMAB Thennakoon, WD Ratnasooriya,“ In vitro antibacterial activity of some aquatic plants growing in polluted water of Sri Lanka”. General Sir John Kotelawala Defence University 10thInternational Research Conference, 2017.

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