Senior Lecturer
B.Sc. – University of Sri Jayewardenepura/Sri Lanka/2005
Ph.D. – New Mexico Institute of Mining and Technology/USA/2013
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Divisions:
Analytical Chemistry and Environmental Chemistry
Undergraduate Teaching:
ICH 375 2.0 Industrial Applications of Green Chemistry for Sustainable Development
CHE 452 1.0 Chemistry of Natural Waters
ICH 455 2.0 Industrial Waste Management
ICH 482 3.0 Industrial Minerals and their Value-added Products
ASP 403 2.0 Soil Science and Mineral-Based Industries
Research interest :
- Analytical Chemistry / Instrumental Analysis / Environmental Chemistry / Aquatic chemistry.
Selected Publications:
- Munugoda, K.D; Talagala, T. S; Subasinghe S. M. C. U. P; Hettiarachchi D.S; Cooray A.T. Choice Modeling for the Commercial Cultivation of Underutilized Aromatic Plants for Producing Mosquito Repellents: Targeting Rural Sector Income Generation Economic Botany, 2023, 77 184 – 202.
- Fernando, A.; Liyanage, S.; Cooray, A. T. Analytical Chemistry Fluoride analysis in aqueous solutions-a comparison of two colorimetric methods. Journal of the National Science Foundation of Sri Lanka 2023, 51 (2), 287-297. DOI: 10.4038/jnsfsr.v51i2.10868.
- Cooray, A. T.; Pullin, M. J. Ferrozine colorimetry and reverse flow injection analysis (rFIA) based method for the determination of total iron in aqueous solutions at nanomolar concentrations. Journal of the Indian Chemical Society 2022, 99 (7), 100541. DOI: 10.1016/j.jics.2022.100541.
- Weerasinghe, K.; Liyanage, S.; Kumarasinghe, U. R.; Cooray, A. T. Synthesis of a bifunctional EDTA–carboxymethyl chitosan derivative and its potential as an adsorbent for the removal of Cu 2+ ions from aqueous solutions. Polymers from Renewable Resources 2022, 13 (3), 170-187. DOI: 10.1177/20412479221122970.
- Vitharana, N. N.; Kaushalya, C.; Perera, T.; Deraniyagala, S. P.; Sameera, W.; Cooray, A. T. Dipicolylamine-Based Fluorescent Probes and Their Potential for the Quantification of Fe3+ in Aqueous Solutions. ACS omega 2022, 7 (32), 28342-28350. DOI:10.1021/acsomega.2c02862.
- Cooray, A. T.; Siriwardana, C.; Koliyabandara, P. A.; Liyanage, S. Hydrochemistry of an ancient traditional irrigation reservoir in Padaviya, Sri Lanka. Journal of the Indian Chemical Society 2022, 99 (11), 100771. DOI: 10.1016/j.jics.2022.100771.
- El Fadili, H.; Ali, M. B.; El Mahi, M.; Cooray, A. T. A comprehensive health risk assessment and groundwater quality for irrigation and drinking purposes around municipal solid waste sanitary landfill: A case study in Morocco. Environmental Nanotechnology, Monitoring & Management 2022, 18, 100698. DOI: 10.1016/j.enmm.2022.100698.
- Koliyabandara, P.; Cooray, A. T.; Liyanage, S.; Siriwardhana, C. Characterization of landfill leachate at the Karadiyana open dumpsite, Sri Lanka, and assessment of water pollution in its vicinity. Journal of the National Science Foundation of Sri Lanka 2022, 50 (1). DOI: 10.4038/jnsfsr.v50i1.10338.
- Wijekoon, P.; Koliyabandara, P. A.; Cooray, A. T.; Lam, S. S.; Athapattu, B. C.; Vithanage, M. Progress and prospects in mitigation of landfill leachate pollution: Risk, pollution potential, treatment, and challenges. Journal of hazardous materials 2022, 421, 126627. DOI: 10.1016/j.jhazmat.2021.126627.
- Ramanayaka, S.; Sarkar, B.; Cooray, A. T.; Ok, Y. S.; Vithanage, M. Halloysite nano clay supported adsorptive removal of oxytetracycline antibiotic from aqueous media. Journal of hazardous materials 2020, 384, 121301. DOI: 10.1016/j.jhazmat.2019.121301.
- Koliyabandara, S.; Cooray, A. T., Sudantha, L.; Siriwardana, C. Assessment of the impact of an open dumpsite on the surface water quality deterioration in Karadiyana, Sri Lanka. Environmental Nanotechnology, Monitoring & Management 2020, 14, 100371. DOI: 10.1016/j.enmm.2020.100371.
- De Silva, S. M.; Deraniyagala, S.; Walpita, J. K.; Jayaweera, I.; Diyabalanage, S.; Cooray, A. T. Masking Ability of Various Metal Complexing Ligands at 1.0 mM Concentrations on the Potentiometric Determination of Fluoride in Aqueous Samples. Journal of analytical methods in chemistry 2020, 2020.
- Siriwardana, C.; Cooray, A. T.; Liyanage, S. S.; Koliyabandara, S. Seasonal and spatial variation of dissolved oxygen and nutrients in Padaviya Reservoir, Sri Lanka. Journal of Chemistry 2019, 2019.
- Premarathna, K.; Rajapaksha, A. U.; Adassoriya, N.; Sarkar, B.; Sirimuthu, N. M.; Cooray, A. T.; Ok, Y. S.; Vithanage, M. Clay-biochar composites for sorptive removal of tetracycline antibiotic in aqueous media. Journal of environmental management 2019, 238, 315-322. DOI: 10.4038/jnsfsr.v50i1.10338.
- Gunarathne, V.; Rajapaksha, A. U.; Vithanage, M.; Adassooriya, N.; Cooray, A. T.; Liyanage, S.; Athapattu, B.; Rajakaruna, N.; Igalavithana, A. D.; Hou, D. Heavy metal dissolution mechanisms from electrical industrial sludge. Science of the Total Environment 2019, 696, 133922. DOI: 10.1016/j.scitotenv.2019.133922.
- Thathsara SKT, Cooray A. T, Ratnaweera DR, Midiyanselage TK. A novel tri-metal composite incorporated polyacrylamide hybrid material for the removal of arsenate, chromate, and fluoride from aqueous media. Journal of Environmental Technology & Innovation. (2019) 14 – 100353
- Thathsara SKT, Cooray A. T, Midiyanselage TK, Kottegoda N, Ratnaweera DR. A novelFe-La-Ce trimetallic composite for the removal of fluoride ions from aqueous media. Journal of Environmental Management (2018) 207, 387-395.
Awards:
National Science Foundation award for Support Scheme for Supervision of Research
Degrees (SUSRED) – 2020.
National Science Foundation award for Support Scheme for Supervision of Research
Degrees (SUSRED) – 2019.
Appreciation of the Research Council of the University of Sri Jayewardenepura for
publishing five or more full papers in recognized indexed journals in the year 2019.
Affiliations:
American Chemical Society
Sri Lanka Association for the Advancement of Science, Section E2
Contact information:
Telephone number: 077-7465392
Web: https://scholar.google.com/citations?user=p1lj1DoAAAAJ&hl=en
Email : atcooray@sjp.ac.lk