Academic and Professional Qualifications

Education

• M.Phil. in Environmental Toxicology
  Department of Chemical and Process Engineering, Faculty of Engineering, University of Peradeniya
• B.Sc. Special Degree in Zoology
  Department of Zoology, Faculty of Science, University of Peradeniya

Professional Experience

• Senior Lecturer
  Department of Biosystems Technology, Faculty of Technology, University of Ruhuna
  2026–Present
• Visiting Lecturer
  Department of Pharmacy, Faculty of Allied Health Sciences, University of Ruhuna
  2023–Present
• Temporary Lecturer
  Department of Biosystems Technology, Faculty of Technology, University of Ruhuna
  2024–2026
• Social Media Strategist
  The Beard Guy LLC, Wyoming, USA
  2021–2024
• Research Assistant
  Department of Animal Science, Faculty of Agriculture, University of Peradeniya
  2020–2021
• Temporary Demonstrator
  Department of Zoology, Faculty of Science, University of Ruhuna
  2018–2019
• Research Assistant (M.Phil. Candidate)
  Department of Chemical and Process Engineering, Faculty of Engineering, University of Peradeniya
  2015–2018
• Research Assistant
  Department of Animal Science, Faculty of Agriculture, University of Peradeniya
  2014–2015

Publications

Journal Publications

1. De Silva, M., Wickramasingha, D., Abayalath, N., Alexander, B., Wijayagunawardane, M., Lee, K. F. and Kodithuwakku, S. (2024). Early pregnancy diagnosis in cows using corpus luteum blood flow analysis based on colour Doppler ultrasonography and mRNA analysis. BMC Veterinary Research, 20, 572. https://doi.org/10.1186/s12917-024-04438-5
2. Ariyaratne, R., Elangasinghe, M. A., Zamora, M. L., Karunaratne, D. G. G. P., Manipura, A., Jinadasa, K. B. S. N. and Abayalath, K. H. N. (2023). Understanding the effect of temperature and relative humidity on sensor sensitivities in field environments and improving the calibration models of multiple electrochemical carbon monoxide (CO) sensors in a tropical environment. Sensors and Actuators B: Chemical, 390, 133935. https://doi.org/10.1016/J.SNB.2023.133935
3. Abayalath, N., Malshani, I., Ariyaratne, R., Zhao, S., Zhong, G., Zhang, G., Manipura, A., Siribaddana, A., Karunaratne, P. and Kodithuwakku, S. P. (2022). Characterization of airborne PAHs and metals associated with PM10 fractions collected from an urban area of Sri Lanka and the impact on airway epithelial cells. Chemosphere, 286, 131741. https://doi.org/10.1016/j.chemosphere.2021.131741
4. Dayananda, K. H. A. M., Muhandiram, M. R. S., Wickremasinghe, H., Abayalath, N. and Kodithuwakku, S. P. (2019). Assessment of heavy metals in the cattle blood from chronic kidney disease of unknown aetiology (CKDu) endemic and non-endemic areas in Sri Lanka. Sri Lankan Journal of Agricultural Sciences, 53, 16–29.
5. Meegaskumbura, M., Wijayathilaka, N., Abayalath, N. and Senevirathne, G. (2015). Realities of rarity: Climatically and ecologically restricted, critically endangered Kandian Torrent Toads (Adenomus kandianus) breed en masse. PeerJ Preprints, 3, e1575v2. https://doi.org/10.7287/peerj.preprints.1575v2
6. Wijayathilaka, N., Abayalath, N. and Bandara, C. (2015). Observation of the Vagrant Emperor (Anax ephippiger, Odonata: Aeshnidae) in Sri Lanka after 38 years. Ceylon Journal of Science (Biological Sciences), 43(2), 83–84. https://doi.org/10.4038/cjsbs.v43i2.7328

Conference Full Papers

1. Ariyaratne, R. G. R. N. K., Karunaratne, D. G. G. P., Elangasinghe, M. A., Manipura, A., Kodithuwakku, S. P., Siribaddana, A. D. and Abayalath, K. H. N. (2017). Monitoring carbon monoxide (CO) levels at five major schools in Kandy City using a real-time air-quality monitoring sensor network. Annual Sessions of IESL, Sri Lanka, 605–615. https://doi.org/10.13140/RG.2.2.32544.20484

Published Abstracts

1. Abayalath, N., Manipura, A., Siribaddana, A., Karunaratne, D. G. G. P. and Kodithuwakku, S. P. (2017). Biological effects of particulate matter (PM10) from Kandy City air on TGF-β1 and EGFR gene expression in bronchial epithelial cells in vitro. Peradeniya University International Research Sessions, Sri Lanka, 21, 353.
2. Dayananda, K. H. A. M., Muhandiram, M. R. S., Siriwardhana, A., Abayalath, N., Herath, K. H. M. S. and Kodithuwakku, S. P. (2017). Differences in circulatory metal concentrations in cattle from CKDu-endemic and non-endemic areas in Sri Lanka. Peradeniya University International Research Sessions, Sri Lanka, 21(244), 237.
3. De Silva, K. I. M., Rathnakumara, W. M. T. D., Abayalath, N., Alexander, P. A. B. D., Wijayagunawardhane, M. P. B. and Kodithuwakku, S. P. (2017). Early pregnancy diagnosis using transrectal colour Doppler ultrasonography and serum ISG15 mRNA assay in dairy cows. Peradeniya University International Research Sessions, Sri Lanka, 21, 125–126.
4. Kodikara, S., Dinisri, I., Sandarekaa, J. A. H., Abayalath, N., Pathirana, N. I., Rathnayake, C., Alexander, B. and Kodithuwakku, S. P. (2017). Mancozeb, a commonly used fungicide, impairs ovarian functions by disrupting granulosa-cell functions and oocyte maturation: Evidence from in-vitro bioassays. Peradeniya University International Research Sessions, Sri Lanka, 21(240), 233–234.
5. Abayalath, N., Dinisri, I., Rathnawardhane, A., Alexander, B., Wijayagunawardhane, M. P. B., Fazleabas, A. T. and Kodithuwakku, S. P. (2016). Bisphenol A (BPA) impairs oocyte development via suppression of nuclear and cytoplasmic maturation and reduction of granulosa-cell viability and functions. Peradeniya University International Research Sessions, Sri Lanka, 20(450), 237.
6. Abayalath, N., Karunaratne, P., Manipura, A., Elangasinghe, A., Ariyaratne, R., Dharmarathne, S. and Kodithuwakku, S. (2016). The impact of atmospheric polycyclic aromatic hydrocarbons in Kandy City on airway epithelial cells and nasopharyngeal carcinogenesis. Sixth National Symposium on Air Resource Management in Sri Lanka, 19–20.
7. Ariyaratne, R. G. R. N. K., Kodithuwakku, S. P., Elangasinghe, M. A., Manipura, A., Abayalath, K. H. N. and Karunaratne, D. G. G. P. (2016). Optimal location-allocation criteria for an air-pollution monitoring network. Sixth National Symposium on Air Resource Management in Sri Lanka, 31–32.
8. Madhukalpani, O. V. S., Abayalath, K. H. N., Ihshan, M. A. M., Sooriyapathirana, S. D. S. S., Wijayagunawardane, M. P. B. and Kodithuwakku, S. P. (2016). Endocrine disruptor Bisphenol-A (BPA) alters prostaglandin synthesis-cascade enzyme gene expression in porcine granulosa cells in vitro. Wayamba University International Conference, 202.

Research Interests

• Evolutionary Biology
• Ecology
• Molecular Biology
• Cell Biology
• Toxicology