Profile

Research Interests

• Biochemistry - Oxidative stress
• Microbiology

Research & Publications

• “Exploring the Potential of Antibacterial Activity of Biophytum reinwardtii: A Natural Ally against Antibiotic Resistance”.  LY Amith, N Sainudeen, RD Widanagamage, HEH Perera, CG Patebendige, and M Kothalawala. General Sir John Kotelawala Defence University. 17^th International Research Conference. Pp69. Sri Lanka September 2024
• Impact of single nucleotide polymorphisms (SNPs) in antioxidant-enzyme genes on the concentrations of folate, homocysteine and glutathione in plasma from healthy subjects after folic acid supplementation – a randomized controlled crossover trial. Mohammad Azam Mansoor, Tonje Holte Stea, Audun Slettan, Erandie Perera, Ridmi Maddumage, Darshana Kottahachchi, Dhikra Saleem Ali, Rona Cabo and Rune Blomhoff.  Springer Nature, Genes and Nutrition.2025
  URL: https://genesandnutrition.biomedcentral.com/articles/10.1186/s12263-024-00761-6#:~:text=SNPs%20in%20SOD2%20(rs4880)%2C,%2DtHcy%20and%20p%2DtGSH
• Biophytum reinwardtii Extracts as Promising Alternative Agents against Pathogenic Bacteria. YL Amith,N Sainudeen, RD Widanagamage, HEH Perera,CG Patabendige. Asian Plant Research Journal, Volume 13, Issue 2, Page 61-71, 2025;Article no.APRJ.132905ISSN: 2581-9992
  URL: https://www.journalaprj.com/index.php/APRJ/article/view/301/640
• Chnadrasena, H.A.S.D., Jayasuriya, E.S., Perera, H.E.H., Kothalawala, M. and Widanagamage, R.D. (2023). A Study on Incidence of Bacteria Fostering Blood Culture Positivity. 16th International Research Conference, General Sir John Kotelawala Defence University. Pp 55. Sri Lanka September 2023.
• “Oxidative Stress in Type 2 Diabetes Mellitus a Key Factor for Major Complications ” review article- Darshana Kottahachchi, Erandie Perera, Ridmi Maddumage, Mohammad Azam Mansoor.
  International Journal of Research Publications (IJRP) February 2021 Edition.
  Reference ID:100701220211740_Paper
  URL: https://ijrp.org/paper-detail/1741
• “Invitro anti-bacterial activity of aqueous extracts of the whole plant, stem, roots, leaves and flowers of grass Heteropogon contortus grown in Sri Lanka” HEH Perera, RS Maddumage, RSP Fernando, WD Ratnasooriya, RN Pathirana and ARN Silva.
  International Journal of Pharmacognosy and Life Sciences.,2020; 1(2): 24-28
  URL: https://www.pharmacognosyjournal.com/archives/2020.v1.i2.A
• “Perceived improvements of quality of life among patients with Idiopathic Pulmonary Fibrosis in response to a 6-week rehabilitation program” Sameera Peumal Senanayake, Rathugamage Sithija Priyankara Fernando, Heeraluge Erandie Hasini Perera, Ridmi Shashiprabha Maddumage, Athuraliya Gamacharige Kasuni Neranja, Kathaluwa Liyana Kankanamge Tharini Dilanka Sandharenu.
  Open Journal of Respiratory Diseases.
  DOI: 10.4236/ojrd.2021.112003
  URL:  //www.scirp.org/journal/paperinformation.aspx?paperid=107689 
• “Patients experiences and opinions on pulmonary rehabilitation and use of it as a tool of palliative care on idiopathic pulmonary fibrosis (IPF)”. Sameera Peumal Senanayake, Kalpani Abhayasinghe, Rathugamage,Sithija Priyankara Fernando, Heeraluge Erandie Hasini Perera, Ridmi Shashiprabha Maddumage, Athuraliya Gamacharige Kasuni Neranja, Kathaluwa Liyana Kankanamge Tharini Dilanka Sandharenu.
  Open Journal of Respiratory Diseases.
  DOI: 10.4236/ojrd.2021.112006
  URL: //www.scirp.org/journal/paperinformation.aspx?paperid=109022
• “Enhancement of Phagocytosis of Macrophages in the Presence of Human Beta Defensin 2” ARN Silva, HEH Perera, RS Maddumage, General Sir John Kotelawala, KDS Sandarenu, RSP Fernando, KLKTD Sandharenu, GDS Dulshika.
  International Journal of Innovative Science and Research Technology
  URL: https://bit.ly/3eyEalj
• Folate Metabolism and Major Genetic Polymorphisms. ARN Silva, HEH Perera, RS Maddumage.
  International Journal of Innovative Science and Research Technology (IJISRT)
  URL: https://ijisrt.com/folate-metabolism-and-major-genetic-polymorphisms

Research Activities

• Measurement of Cysteine and Cysteinylglycine in plasma collected from patients with kidney disease and study of polymorphism in a gene coding for the enzyme ϒ- glutamyltransferase (Undergraduate).

Ongoing research

• Analysis of biomarkers of one carbon metabolism and redox aminothiol status following folate supplementation and the effect of genetic polymorphisms of selected genes involved with one carbon metabolism in diabetics with diabetic nephropathy - A Randomized double-blind placebo controlled observational study.

Awards

• Undergraduate Research Fellowship at university of Agder (UiA), Kristiansand, Norway
• Postgraduate Research fellowship at university of Agder (UiA), Kristiansand, Norway
• Placed in the Dean's List - 2015 (KDU)
• Placed in the Dean's List - 2017 (KDU)

Working Experience

• Demonstrator (Temporary) - Department of Basic Sciences (from 03.05.2019 to 02.05.2021)
• Junior Consultant (Temporary) - Department of Basic Sciences (from 03.05.2021 to 02.01.2022)
• Lecturer (Probationary) - Department of Medical Laboratory Sciences (from 03.01.2022 to present)

Memberships

• Member of a profession supplementary to medicine at Sri Lanka Medical Council.

Involvements

• Convener of the Curriculum Revision Committee, Faculty of Allied Health Sciences, KDU
• Convener of the Internal Quality Assurance Cell, Faculty of Allied Health Sciences, KDU
• Departmental Coordinator- KDU IRC 2022