Research

  1. Moneravilla, V. B., Rodrigo, D., Dharmaratne, G., Purasingha, S., Pushpakumara, A., Abeyasinghe, N., … & Gunewardene, S. (2025). Random Forest Regression assisted Raman spectroscopy for authenticating the purity of virgin coconut oil. Journal of Food Composition and Analysis, 108784. 
  2. Samarathunga, L., Kalubowila, R., Jayasingha, L., Rodrigo, D., Jayathilaka, C., Kumara, R., … Gunewardene, S. & Jayanetti, S. (2025). Evaluating the SERS sensing properties of electrodeposited nanostructured Cu2O/Cu metasurfaces. Microchemical Journal, 219, 116064. 
  3. Ranaweera, D.M., de Silva, D.C., Samarasinghe, D., Perera, S., Kugalingam, N., Samarasinghe, S.R., Madushani, W.Y., Jayaweera, H.H., Gunewardene, S., Muneeswaran, K. and Gnanam, V.S., 2025. Development of a TaqMan-based dosage analysis PCR assay for the molecular diagnosis of 22q11. 2 deletion syndrome. Genes & Genetic Systems, pp.24-00142.
  4. Ranaweera, D.M., de Silva, D.C., Samarasinghe, D., Perera, S., Kugalingam, N., Samarasinghe, S.R., Madushani, W.Y., Jayaweera, H.H., Gunewardene, S., Muneeswaran, K. and Gnanam, V.S., 2024. Development of a Low Cost Semiquantitative Polymerase Chain Reaction Assay for Molecular Diagnosis of Williams Syndrome. Clinical Laboratory, 70(3).
  5. De Silva, D., Ranaweera, D., Gunasekera, R., Samarasinghe, D., Perera, S., Panchananthan, N., Samarasinghe, S.R., Muneeswaran, K., Gunewardene, S., Gnanam, V. and Chandrasekharan, V., 2024, January. Velocardiofacial syndrome (VCFS)-determining the frequency of positive diagnosis using existing guidelines for genetic testing. In EUROPEAN JOURNAL OF HUMAN GENETICS (Vol. 32, pp. 246-246) 
  6. Boteju, W.I.W.Y., Gunarathna, M.K.A.S., Fonseka, T.L.M.D., Peiris, H.N.S., Silva, L.A.R., Jayathilaka, N.N.S.S., Jayasekara, L.A.G.D., Perera, P.N., Jayaweera, H.H.E., Gunewardene, M.S. and Jayawardhana, S., 2022. A quantitative approach to gemstone identification using Raman spectroscopy combined with machine learning. Sri Lankan Journal of Physics, 23(1).
  7. Kalubowila, K.D.R.N., Gunewardene, M.S., Jayasingha, J.L.K., Dissanayake, D., Jayathilaka, C., Jayasundara, J.D., Gao, Y. and Jayanetti, J.S., 2021. Reduction-induced synthesis of reduced graphene oxide-wrapped Cu2O/Cu nanoparticles for photodegradation of methylene blue. ACS Applied Nano Materials, 4(3), pp.2673-2681.
  8. Jayasingha, L., Jayathilaka, C., Kumara, R., Ohara, K., Kaumal, M., Gunewardene, S., Dissanayake, D. and Jayanetti, S., 2020. Nanoporous Cu2O nanotube/nanorod array electrodes for non-enzymatic glucose sensing with high sensitivity and very low detection limit. Electrochimica Acta, 329, p.135177.
  9. Kalubowila, K.D.R.N., Jayathileka, K.M.D.C., Kumara, L.S.R., Ohara, K., Kohara, S., Sakata, O., Gunewardene, M.S., Jayasundara, J.M.D.R., Dissanayake, D.P. and Jayanetti, J.K.D.S., 2019. Effect of bath pH on electronic and morphological properties of electrodeposited Cu2O thin films. Journal of The Electrochemical Society, 166(4), p.D113.
  10. Bandara, K.N.D., Jayathilaka, K.M.D.C., Gunewardene, M.S., Dissanayake, D.P. and Jayanetti, J.K.D.S., 2017. Surface properties of sulphur based surface modified n-Cu2O thin films for enhanced liquefied petroleum gas sensing. Journal of Physics D: Applied Physics, 50(48), p.485304.
  11. Jayasingha, J.L.K., Kaumal, M.N., Jayathilaka, K.M.D.C., Gunewardene, M.S., Dissanayake, D.P. and Jayanetti, J.K.D.S., 2017. Surfactant free template assisted electrodeposited n‐type nano‐cubic Cu2O thin films for nonenzymatic glucose sensing. physica status solidi (a), 214(8), p.1700135.
  12. Jayasingha, J.L.K., Jayathilaka, K.M.D.C., Gunewardene, M.S., Dissanayake, D.P. and Jayanetti, J.K.D.S., 2017. Electrodeposited n‐type cuprous oxide cubic nanostructures for liquefied petroleum gas sensing. physica status solidi (b), 254(2), p.1600333.
  13. Mlodzianoski, M.J., Curthoys, N.M., Gunewardene, M.S., Carter, S. and Hess, S.T., 2016. Super-resolution imaging of molecular emission spectra and single molecule spectral fluctuations. PloS one, 11(3), p.e0147506.
  14. Allgeyer, E.S., Sterling, S.M., Gunewardene, M.S., Hess, S.T., Neivandt, D.J. and Mason, M.D., 2015. Combining Total Internal Reflection Sum Frequency Spectroscopy Spectral Imaging and Confocal Fluorescence Microscopy. Langmuir, 31(3), pp.987-994.
  15. Avilov, S., Berardozzi, R., Gunewardene, M.S., Adam, V., Hess, S.T. and Bourgeois, D., 2014. In cellulo evaluation of phototransformation quantum yields in fluorescent proteins used as markers for single-molecule localization microscopy. PloS one, 9(6), p.e98362.
  16. Gudheti, M.V., Curthoys, N.M., Gould, T.J., Kim, D., Gunewardene, M.S., Gabor, K.A., Gosse, J.A., Kim, C.H., Zimmerberg, J. and Hess, S.T., 2013. Actin mediates the nanoscale membrane organization of the clustered membrane protein influenza hemagglutinin. Biophysical journal, 104(10), pp.2182-2192.
  17. Gabor, K.A., Gunewardene, M.S., Santucci, D. and Hess, S.T., 2011. Localization-Based Super-Resolution Light Microscopy. Microscopy Today, 19(4), pp.12-16.
  18. Gunewardene, Mudalige S., Fedor V. Subach, Travis J. Gould, Gregory P. Penoncello, Manasa V. Gudheti, Vladislav V. Verkhusha, and Samuel T. Hess. “Superresolution imaging of multiple fluorescent proteins with highly overlapping emission spectra in living cells.” Biophysical journal 101, no. 6 (2011): 1522-1528.
  19. Gould, T.J., Gudheti, M.V., Gunewardene, M.S., Gosse, J.A. and Hess, S.T., 2009, October. Optical Nanoscopy: FPALM Breaks the Diffraction Limit. In Laser Science (p. LSWA2). Optica Publishing Group.
  20. Gould, Travis J., Mudalige S. Gunewardene, Manasa V. Gudheti, Vladislav V. Verkhusha, Shu-Rong Yin, Julie A. Gosse, and Samuel T. Hess. “Nanoscale imaging of molecular positions and anisotropies.” Nature methods 5, no. 12 (2008): 1027-1030.