Lakmal Jayarathna

RESUME I.P. LAKMAL JAYARATHNA No 50, Mawathura, Gampola, Sri Lanka Email: lakmalipj@yahoo.co.uk, lakmal@iti.lk Phone: +94718016717, +94813846779 Education: PhD –University of Peradeniya, Sri lanka, 2006/2012 BSc. Special Degree in Chemistry, University of Peradeniya, Sri Lanka, 2002/2006 Employment: Research Fellow, Environmental Science Research Program, National Institute of Fundamental Studies, Kandy, Sri Lanka, 2017 to date Research Scientist, Material Technology Section, Industrial Technology Institute, Colombo 07, Sri Lanka, 2013 -2017 Research Assistant, Chemical Modeling Laboratory, Institute of Fundamental Studies, Kandy, Sri Lanka, 2006-2013 Visiting lecturer, Faculty of Animal Science and Export agriculture, Uwa Wellassa University, TEA 235-2, Basic Analytical Chemistry Grants: TG/16/125: Development of Red-clay based water filter/apparatus for the removal of hardness of the drinking water TG/16/126: Reductions of vehicle exhaust emission by nanoparticle supported adsorption media TG/11/56: Development of Red-clay based water filter for the removal of Fluoride and other pollutants TG/14/90: Development of Red-clay based water filter for the removal of Fluoride and heavy metals NRC grant: Comprehensive research proposal on an operational model to control dengue in Sri Lanka using multiple intervention, new product development and community participation Development of monoclonal antibodies against NS1 region of Dengue virus and determination of the feasibility of a nano-material to detect the antigen for the development of a diagnostic kit Travel grants: 2016 China south asian countries’ technology manager international training session: Sep 11-18th, 2016, Shanghai, China Travel grant to collaboration research program (Saitama University-Japan)-2010 Awards WAITRO Innovation Award Finalist (Three nominees): Red clay based low cost domestic water filter for removal of fluoride, arsenic and cadmium in drinking water Presidential award for scientific publications 2012-2013 Supervising PhD Degree, M.M.E. Munasinghe 'Exploring the feasibility of developing a rapid diagnostic test kit against Dengue Virus DENV using nanotechnology” (pending) Professional Affiliation: Editorial board member: Iore Journal of Environmental Science Committee member –Technical expert services for working group on formulating Sri Lankan standard for Fiber-Cement corrugated sheets for roofing, 2015 Committee member –Advisory committee on Packaging sector, Ministry of Industry and commerce, Sri Lanka, 2014 Member of Royal Society of Chemistry –MRSC Member of American Chemical Society-ACS Publications: Full Papers: 1. L. Jayarathna, M. Makehelwala, A. Bandara, R. Weerasooriya. Vibration spectroscopic evidence for different interactive modes of iodide on gibbsite in humic acid mediation, Colloid and Polymer Science, 2018,296(7),1259–1265 2. Lakmal Jayarathna, Athula Bandara, Rohan Weerasooriya. Interaction of bicarbonate with gibbsite: Effect of fluoride, IORE Journal of Environmental Science Vol. 2.2 (2016) (Article in Press) 3. L. Jayarathne, A. Bandara, W.J. Ng, R. Weerasooriya, Fluoride adsorption on -Fe2O3 nanoparticles, Journal of Environmental Health Science and Engineering.,2015, 13, 54-64. 4. L. Jayarathne, W.J. Ng, A. Bandara, M. Vitanage, C.B. Dissanayake, R. Weerasooriya, Fabrication of Succinic acid - -Fe2O3 nano Core-shells, Colloids and Surfaces A: Physicochemical and Engineering Aspects., 2012, 403, 96-102. 5. Meththika Vithanage, Lakmal Jayarathna, Anushka Upamali Rajapaksha, C.B. Dissanayake, M.S. Bootharaju, T. Pradeep., Modeling sorption of fluoride on to iron rich laterite; Colloids and Surfaces A: Physicochemical and Engineering Aspects., 2012, 398, 69-75. 6. M. Makehelwala, R. Weerasooriya, L. Jayaratne, C.B. Dissanayake., Thermodynamics of carbofuran adsorption on pyrite, The Journal of Chemical Thermodynamics., 2012, 51, 1-7. 7. R. Weerasooriya, S.P. Indrarathna, N. Nanayakkara, L. Jayarathne, C.B. Dissanayake, N. Walelawala, A. Bandara., Probing pyrite-carbofuran interaction with ζ potential and IR spectroscopic measurements. Colloids and Surfaces A: Physicochemical and Engineering Aspects., 2012, 396, 219-223. 8. S. Subedi, K. Kawamoto, L. Jayarathna, M. Vithanage, P. Moldrup, L. Wollesen de Jonge, T. Komatsu,. Characterizing time dependent contact angles for sand hydrophobized with oleic and stearic acids, Vadose Zone Journal, February 2012, v. 11, vzj2011.0055, doi:10.2136/vzj2011.0055. 9. Y.P.Y.P. Ariyasinghe, T.R.C.K. Wijayarathna, I.G.C.K. Kumara, I.P.L. Jayarathna, C.A. Thotawatthage, W.S.S. Gunathilake, G.K.R. Senadeera V.P.S.Perera., Efficient passivation of SnO2 nano crystallites by Indoline D-149 via dual chelation; Journal of Photochemistry and photobiology: A, 2011, 217(1), 249-252. 10. Rajapaksha, A.U., Vithanage, M., Jayarathne, L., Kumara, C.K. Natural Red Earth as a low cost material for arsenic removal; kinetics and the effect of competing ions. Applied Geochemistry, 2011, 26, 648–654. Conference Abstracts/Papers 1. Rajapaksha, A., Vithanage , M., Jayarathne, L., Kumara, C.K. Natural Red Earth as a possible low cost substrate for arsenic removal in water; Comparison of laboratory controlled and uncontrolled conditions. Arsenic in Geosphere and Human Diseases- Jean, Bundschuh & Bhattacharya(eds) AS2010 Taylor & Francis Group, London. 2. Lakmal Jayaratna, Athula Bandara and Rohan Weerasooriya., Synthesis and Characterization of -Fe2O3 Nanoparticles, The Analytical Challenges in the Nanosciences, 42nd IUPAC Congress, 6th August 2009. Glasgow, UK. 3. Shaphal Subedi, Ken Kawamoto, Anurudda K. Karunarathna, Lakmal Jayarathna, Meththika Vithanage and Toshiko Komatsu., Assessment of water repellency of model sands mixed with oleic acid, 12th JSCE international summer symposium, September 18, 2010, Nihon University, p203-206 (Best paper presentation award). 4. S.S.R.M.D.H.R Wijesekara, R. M. A. U. Rajapaksha, I. P.L Jayarathne, B.F.A Basnayake and M.Vithanage., Toxic metals in soils contaminated by landfill leachate in Kandy, Sri Lanka, The 12th Annual conference of Thai Society of Agriculture Engineering, 'International Conference in Agriculture Engineering” (Novelty, Clean and Sustainable), Chon-Chan Pattaya Resort, Chonburi, Thailand. 31 March-1 April 2011. p45. 5. S. Subedi, K. Kawamoto, L. Jayarathna, M. Vithanage, P. Moldrup, T. Komatsu. Assessment of water repellency indices; Contact angle for hydrophobized sands, Japan Geoscience Union Meeting, May 2011, p202. 6. N. Walelawala, R. Weerasooriya, N. Nanayakkara, L. Jayarathne, S.P. Indrarathna, A. Bandara, The zeta potential and IR spectroscopic measurements of pyrite-carbofuran interactions, 10th International conference of the east and southeast Asia federation of soil science sosities- Soil, a precious natural resource: Agricultural ecosystems, environmental health and climate changes, Colombo- Sri Lanka, October 2011. 7. S. Subedi, K. Kawamoto, T. Komatsu, L. Jayarathna, M. Vithanage, P. Moldurp. Hydrophobic capillary barriers for solid waste landfill capping; Characterization water repellency of hydrophobized sand materials. Proceeding of the Lien Foundation-NTU Environmental Endeavour, Seminar on water and environment in Asia’s developing communities. July 2011. 8. Shaphal Subedi, Ken Kawamoto, Lakmal Jayarathna, Meththika Vithanage, Per Moldrup, Lis Wollesen de Jonge and Toshiko Komatsu, Assessment of water repellency of hydrophobized sand, 1st International conference and exploratory workshop on soil architecture and physic-chemical functions 'CESAR”, November 30th December 2nd 2010, Denmark. p379-382. 9. S.S.R.M.D.H.R. Wijesekara, K. Dideriksen, A.U. Rajapaksha, I.P.L. Jayarathna, B.F.A. Basnayake, M. Vithanage. Application of nano zero valent iron for landfill leachate treatment in the tropics. The 27th International Conference on Solid Waste Technology and Management, Philadelphia, PA, USA, March 2012. Invited Lectures 1. M. Vithanage, S.S.R.M.D.H.R. Wijesekara, I.P.L. Jayarathna, Nanomaterials for landfill leachate treatment: The Sri Lankan perspective, The first international conference on emerging technologies for clean water, Indian institute of technology Madras, Chennai, September 14-16, 2012. p33 Book Chapters 1. M. Vithanage, S.S.R.M.D.H.R. Wijesekara, I.P.L. Jayarathna, A. Prakash, S. Sharma, and A.K. Ghosh. Nanomaterials for landfill leachate treatment in the humid tropics; The Sri Lankan perspective. Hydronanotechnology: Emerging Frontiers, Ed. T. Pradeep and David E. Reisner. Chapter 37, CRC Press 2014, p759-776, ISBN: 978-1-4665-1224-5