Lecturer
B.Sc. in Medical Laboratory Sciences (Special)(USJP), PhD (USJP)Medical Laboratory Sciences
Faculty of Health Sciences
Website RG GS
Contact:
Central Campus,
Office: +94112881000, Ext: 6301
E-mail: rgrat@ou.ac.lk
Web: https://www.linkedin.com/in/gayathri-rathnayake-75b87287/
Last Updated on 12 months
Areas of Specialization:Clinical Biochemistry
Research interests:Clinical Biochemistry
Course Coordination:MDE3208 Refresher Course for Medical Laboratory Technologists
MDU4303 Clinical Biochemistry II
MDU4405 Work-Based Training II
MDU6503 Clinical Biochemistry III
Awards:
- Merit Award- 3rd conference of College of Biochemists of Sri Lanka- for the oral presentation made on “Association of serum leptin with BMI, body fat percentage and Q223R leptin receptor gene polymorphism in an adult female population”
- Certificate of Merit at young scientist forum (20th January 2018) – For the oral presentation made on “Gender differences of Bio-impedance analysis, somatotyping and selected anthropometric markers of adiposity and the association with insulin resistance in healthy male and female population in Sri Lanka”
- Best student award at the 3rd international conference on public health 2017 – For the presentation entitled: Dietary macronutrient intake among Sri Lankan rural female type 2 diabetics and non-diabetics and effect towards the glycemic control
- Certificate of Merit at young scientist forum (20th January 2017) – For the oral presentation made on “Effect of physical activity on body composition in women with or without diabetes”
Supervision of undergraduate research projects at the Department of MLS.
Publications:Full paper
- Rathnayake, R.G.L., Hettiaratchi, U.P.K. and Perera, P.P.R.R., 2022. Comparison of anthropometric, BIA measures and serum leptin with genotypes of Q223R leptin receptor single nucleotide polymorphism and association with obesity and serum leptin. Human Gene, p.201106.
Abstract publication- International Journals
- Rathnayake G, Hettiaratchi U, & Perera R. (2016c). Do the lipid profiles of Type 2 Diabetes Mellitus patients and controls differ based on their body fat percentage and visceral fat levels? Journal of Clinical Lipidology, 10(03).
Systematic review
- Rathnayake G, Hettiaratchi U, & Perera R. (2017f). Obesity, body fat distribution, insulin resistance
and link with type 2 diabetes mellitus. International Journal of Scientific and Research
Publications.
Conference Proceedings
- Rathnayake, R.G.L, Hettiaratchi, U.P.K, & Perera, P.P.R. 2021. Association of serum leptin with BMI, body fat percentage and Q223R leptin receptor gene polymorphism in an adult female population. Proceedings of the 3rd Conference of College of Biochemists
- R.G.L. Rathnayake, U.P.K. Hettiaratchi, & Perera, P. P. R. (2020). Do diabetic female subjects tend to under-report their dietary intake compared to non-diabetic subjects? A case control study. Paper presented at the Colombo Medical Congress, Faculty of Medicine, University of Colombo.
- Rathnayake, R. G. L., Hettiaratchi, U. P. K., & Perera, P. P. R. (2020). Determination of frequency of Leptin Q223R Receptor Polymorphism and Differences of Obesity, Serum Leptin and Insulin Resistance with Each Genotype Among a Group of Young Adult Female Population – a Preliminary Study. Paper presented at the KDU 13th International Research Conference.
- Rathnayake, R. G. L., Hettiaratchi, U. P. K., & Perera, P. P. R. (2020). Presence of hyperglycemia, hyperinsulinemia, insulin resistance (IR) and hyperleptinemia in a population of obese young adults. Paper presented at the APACPH 2020 Conference.
- R.G.L. Rathnayake, U.P.K. Hettiaratchi, & P.P.R. Perera. (2020). Gender differences of vitamin D levels and its association with selected obesity markers, insulin resistance in young adults in Sri Lanka. Paper presented at the 9th YSF Symposium.
- Rathnayake, R.G.L, Hettiaratchi, U.P.K, & Perera, P.P.R. 2019. Comparison of Somatotypes, Body Mass Index, Fasting Blood Glucose, Insulin Resistance and Lipid Profile parameters between diabetic female and diabetic male subjects and evaluating the importance of Somatotyping in metabolic risk assessment. Proceedings of the Peradeniya University International Research Sessions
- Rathnayake, R.G.L, Hettiaratchi, U.P.K, & Perera, P.P.R. 2019. A preliminary Study on Association between Leptin, Insulin Resistance and Body Composition among a Group of Female University Students in Sri Lanka. Proceedings of the 6th International Conference on Multidisciplinary Approaches.
- Rathnayake G, Hettiaratchi U, & Perera R. (2018). Gender differences of bio-impedance analysis, somatotyping and selected anthropometric markers of adiposity and the association with insulin resistance in healthy male and female population in Sri Lanka. Paper presented at the 7th YSF symposium.
- Rathnayake G, Hettiaratchi U, & Perera R. (2017a). Assessment of dietary macronutrient and energy intake, body mass index and body fat percentage among rural female subjects with or without type 2 diabetes mellitus in Sri Lanka. Paper presented at the International conference on multidisciplinary approach, Sri Lanka.
- Rathnayake G, Hettiaratchi U, & Perera R. (2017b). Association of bio-impedance analysis and somatotyping among healthy rural male and female populations. Paper presented at the 10th International Research conference, General Sir Jhon Kotelawala Defence University, Sri Lanka.
- Rathnayake G, Hettiaratchi U, & Perera R. (2017c). Comparison of C-reactive protein levels with insulin resistance and selected parameters of adiposity in a rural diabetic population Paper presented at The scientific session 2017, Faculty of Medical Sciences, University of Sri Jayewardenepura.
- Rathnayake G, Hettiaratchi U, & Perera R. (2017d). Dietary macronutrient intake among Sri Lankan rural female type 2 diabetics and non-diabetics and effect towards the glycemic control. Paper presented at the 3rd International Conference on Public Health 2017 (ICOPH 2017), Malaysia, Kuala lam pour.
- Rathnayake G, Hettiaratchi U, & Perera R. (2017e). Effect of physical activity of body composition in women with or without diabetes. Paper presented at the 6th YSF symposium.
- Rathnayake G, Hettiaratchi U, & R., P. (2016). comparison of body fat percentage assessed using skinfold and bio-impedance analysis methods among a selected population of non-diabetic and type 2 diabetic females in Elehera divisional secretariat area and correlation of body fat levels with insulin resistance: a feasibility study Paper presented at the 3rd international conference of multidisciplinary approaches.
- Rathnayake G, Hettiaratchi U, & Perera R. (2016a). Association of markers of obesity with insulin resistance and type 2 diabetes mellitus in a rural female population. Paper presented at the 9th International Research conference, General Sir Jhon Kotelawala Defence University, Sri Lanka.
- Rathnayake G, Hettiaratchi U, & Perera R. (2016b). Comparison of lipid profiles in a population of Type 2 Diabetes Mellitus patients and normal females in a rural area- A preliminary study. Paper presented at the Scientific Sessions 2016, Faculty of Medical Sciences, University of Sri Jayewardenepura in collaboration with Sri Jayewardenepura General Hospital.
- Rathnayake G, Hettiaratchi U, & Perera R. (2015). Laboratory investigation of cryptosporidiosis and giardiasis in children with diarrhea: A hospital based study. Paper presented at the 8th international research conference, General Sir Jhon Kotelawala Defence University, Sri Lanka.