Prof K. R. Ranjith Mahanama

Prof K. R. Ranjith Mahanama

Senior Professor

Department of Chemistry,
University of Colombo,
Colombo 03,
Sri Lanka.
Deans office
Work Phone: (9411) 2503 148
Work Fax: (9411) 2503 148
Email: maha@chem.cmb.ac.lk

Google Scholar Profile
ResearchGate Profile
Curriculum Vitae

Academic Qualifications:

  1. Ph.D. (1990): Analytical Chemistry, Graduate Center, City University of New York, New York, USA.
  2. M.Phil. (1989): Analytical Chemistry, Graduate Center, City University of New York, New York, USA.
  3. M.A. (1988): Analytical Chemistry, Queens College of the City University of New York, Flushing, New York, USA.
  4. B. Sc. [Honours] (1984): Chemistry, University of Colombo, Sri Lanka.

Research interests:

  1. Air pollution and pollution control
  2. Environmental tobacco smoke
  3. Emissions from combustion sources and related health issues
  4. Indoor air quality
  5. Low-cost instrumentation
  6. Quality assessment of the consumer products
  7. Water quality

Teaching Areas:

  • Analytical Chemistry

Gas chromatography, high performance liquid chromatography, solvent extraction, ion exchange, sample preparation methods, supercritical fluid extraction and chromatography

  • Environmental Chemistry

Atmospheric chemistry, indoor air quality and modeling, air pollution, sampling and analysis of airborne pollutants, water quality

Awards and Grants:

Awards

  1. Presidential Award for Scientific Publications 2003.
  2. Merit Award for Scientific Research 2001.
  3. Presidential Award for Scientific Publications 2001.

Grant

  1. National Science Foundation, Sri Lanka. Jointly awarded to K.R.R. Mahanama and D.P. Dissanayake for the research on “Method development for analysis and control of organic pollutants in diesel exhaust”.

Involvement with other Universities:

Visiting Lecturer

  1. B. Sc. South Eastern University of Sri Lanka (2013-present).
  2. B. Sc. (Chemistry Special), University of Ruhuna (2006).
  3. M.Sc. in Environmental and Industrial Chemistry, University of Kelaniya (2001 – 2006).
  4. M.Sc. in Forestry and Environmental Management, University of Sri Jayewardenepura (2000 – 2003).
  5. B. Sc. Sabaragamuwa University of Sri Lanka (2000 – 2005).
  6. B. Sc. (Chemistry Special), University of Sri Jayewardenepura (1996 – 1998).
  7. B. Sc. (Chemistry Special), University of Kelaniya (1996 – 2005).
  8. Institute of Chemistry (1996 – 1997).

External Examiner

  1. University of Ruhuna (2013-present)
  2. South Eastern University of Sri Lanka (2013 – present)
  3. University of Kelaniya (2006 – present)
  4. Institute of Chemistry (2002 – 2005)
  5. Sabaragamuwa University of Sri Lanka (2000 – 2006).
  6. Open University of Sri Lanka (1999 – present)

Executive and other positions on the boards of international, national and provincial professionals and scholarly societies:

Advisory Committees:

  1. Member, Institutional Review (IR) Team for the Quality Assurance and Accreditation Council of the University Grants Commission Sri Lanka (2016-present).
  2. Member Audit and Management Committee of the Sri Lanka Atomic Energy Regulatory Council, Ministry of Power and Renewable Energy (2016 – present).
  3. Member, Sri Lanka Atomic Energy Regulatory Council, Ministry of Power and Renewable Energy (2015 – present).
  4. Member, Standing Committee on Sciences, University Grants Commission (2014 – present).
  5. Member, Standing Committee on Technology Stream, University Grants Commission (2014 – present).
  6. Member, Expert Committee for Development of National Indoor Air Guidelines in Sri Lanka (2013-present)
  7. Member, Technical Advisory Committee for the Sri Lanka Vehicle Emission Testing Program (2011- present)
  8. Member, Proficiency Testing Committee, Sri Lanka Association of Testing Laboratories (2011-2014).
  9. Member, Quality Assurance Review Team for the Quality Assurance and Accreditation Council of the University Grants Commission Sri Lanka (2010).
  10. Member, Sectorial Committee on Chemical & Polymer Technology, Sri Lanka Standards Institution (2007- 2011).
  11. Member, Advisory committee for Sri Lanka Pharmaceutical Laboratory (2007-present).
  12. Member, Chemical Industry Advisory Committee, Ministry of Industrial development (2006- 2011).
  13. Member, Steering Committee for Implementation of Chemical Weapons Convention in Sri Lanka (2005 – present).
  14. Member, National Air Resource Advisory Committee (2001- 2008).

Sri Lanka Association for the Advancement of Science

  1. Secretary, General Research Committee (2006).
  2. Chairman, Environment Committee (2005).
  3. Council Member (2005).
  4. Member, Media Resource Service Committee (2005 – 2007).
  5. Member, Committee for the Popularization of Science (2005 – 2007).
  6. Vice Chairman, Environment Committee (2004).
  7. Member, Science Education Committee (2004).
  8. Member, Ethics Committee (2004).
  9. Secretary, Environment Committee (2003).
  10. Member, Environment Committee (2002, 2006).

Institute of Chemistry, Ceylon:

  1. Chairman, Awards Committee (2013-2014)
  2. Member, Admission and Ethical Practices Committee (2012 – present).
  3. Hon. Joint Secretary (2002 Jan – 2003 June).
  4. Member, Academic Board (2001 – 2003).
  5. Member, House and Finance Committee (2001 – 2003).
  6. Chairman, Interschool Chemistry Quiz Competition (2001 – 2002).
  7. Council Member, (2001 – 2006, 2009 – 2010, 2013 – present).

National Science and Technology Commission

  1. Member, Steering Committee, Senior Scientist Forum (2005, 2006).
  2. Member, Steering Committee, Young Scientist Forum (2002).

 

Editorial work:

  1. Edited Environmental Chemistry of the Atmosphere [2012]. Author Dr. S. S. Iqbal. Published by the Open University of Sri Lanka. ISBN 978-955-23-1344-8.
  2. Edited nine publications (both the English medium and Sinhala medium) for Environmental Hazard Series 1 – 9 [2006]. Published by the Environment Committee of the Sri Lanka Association of the Advancement of Science.
  3. Industry and Environment [2005]. Published by Institute of Chemistry, Ceylon. ISBN 955-9244-27-2.
  4. Air Sampling and Analysis by Gas Chromatography [2005]. Published by Division of Occupational Hygiene, Ministry of Labour Relations and Foreign Employment ISBN 955-9901-0-4.
  5. Environmental Organic Chemistry [2001] by Prof. S. Sotheeswaran. Published by Institute of Chemistry, Ceylon. ISBN 955-9244-12-4.

Chapters and web documents:

  1. Outdoor and Indoor air quality. A monograph published by National Science Foundation in Sinhala medium for school children. ISBN 978-955-590-118-5.
  2. Free amino acid profile of kithul palm Caryoto urens L. treacle and its potential application in authentication of treacle types. In Technology for food Quality G. Graham, M. Netzel, T. Graham, M. Fletcher, G. Karagianis, C.Giles, U. Tinggi and P. Scheelings [Eds]. Health and Food Sciences Precinct, Queensland, Australia.
  3. Solid waste burning and air pollution in Proceedings of the training Seminar on Solid Waste management- An Effort towards an Unpolluted Green Tomorrow. Published by Institute of Chemistry, Ceylon pp 11-13,2006.
  4. Green to greener; Elevation of the ubiquitous industrial emission to a greener solvent. Chapter in Industry and Environment. K.R.R. Mahanama [Ed]. Institute of Chemistry Ceylon pp 24-38, 2005.
  5. Air sampling and analysis. Chapter in Air Sampling and Analysis by Gas Chromatography. Division of Occupational Hygiene, Ministry of Labour Relations and Foreign Employment. pp 1-10, 2005.
  6. Sampling and analysis of air in Sampling, Statistics and Standardization in Chemical Analysis & Environmental Management. Published by Institute of Chemistry, Ceylon, pp 5- 13, 2005.
  7. HPLC, GC – Chromatographic methods of analysis in Modern Analytical Methods. Prof. R.S. Ramakrishna Memorial Training Seminar. Published by Institute of Chemistry, Ceylon. pp 44- 56, 2003.
  8. Creating an environmental friendly work place – Air pollution and monitoring in Proceedings of the training seminar on Towards a Cleaner Industrial Environment in the New Millennium. Published by Institute of Chemistry Ceylon. Samarasinghe, S [Ed] pp 42- 49, 2002.
  9. Chemistry of atmosphere and atmospheric pollution in Workshop on Chemical Aspects of Environment. Published by Environmental Committee, Sri Lanka Association of Advancement of Science. pp 1- 13, 1997.
  10. Analysis of airborne pollutants – An overview. Chapter in Atmospheric pollution. Published by Sri Lanka Association of Advancement of Science. Navaratne A.N. [Ed] pp 19- 28, 1996.

Journal articles:

  1. Kulathunga, D.R.;Mahanama, K.R.R. [2013]. Fingerprinting diesel and petrol fuels for adulteration in Sri Lanka. J. Natn. Sci. Foundation Sri Lanka 41, 287 – 292.
  2. Kularatne, K.I.A.; Dissanayake, D.P.; Mahanama, K.R.R. [2003] Contribution of dissolved sulfates and sulfides in hydrogen sulfide emission from stagnant water bodies in Sri Lanka. Chemosphere 52, 901-907.
  3. Hettige, C.; Mahanama, K.R.R.; Dissanayake, D.P. [2001]. Cyclohexane oxidation and carbon deposition over metal oxide catalysts. Chemosphere 43, 1079-1083.
  4. Jayathilaka, G.D.L.P; Hettige, C.; Mahanama, K.R.R.; Dissanayake, D.P. [2001]. Carbon formation during volatile organic compound oxidation over a nickel catalyst. Ind. J. Chem.-Section A. 40A, 392-395.
  5. Daisey, J.M.; Mahanama, K.R.R.; Hodgson, A.T. [1997]. Toxic volatile organic compounds in simulated environmental tobacco smoke: Emission factors for exposure assessment. J. Exp. Anal. Environ. Epidem. 8, 313-334.
  6. Mahanama, K.R.R.; Daisey, J.M. [1996]. Volatile N-nitrosamines in environmental tobacco smoke: Sampling, analysis and source emission factors. Environ. Sci. & Tech. 30, 1477-1484.
  7. Hodgson, A.T.; Daisey, J.M.; Mahanama, K.R.R.; Ten Brinke, J.A.; Alevantis, L.E. [1996]. Use of volatile tracers to determine the contribution of environmental tobacco smoke to concentrations of volatile organic compounds in smoking environments. Environ. Int. 22, 295-307.
  8. Gundel, L.A.; Mahanama, K.R.R.; Daisey, J.M. [1995]. Semi-volatile and particulate polycyclic aromatic hydrocarbons in environmental tobacco smoke: Cleanup, speciation and emission factors. Environ. Sci. & Tech. 29, 1607-1614.
  9. Gundel, L.A.; Lee, V.C.; Mahanama, K.R.R.; Stevens, R.K.; Daisey, J.M. [1995]. Direct determination of the phase distribution of semi-volatile polycyclic aromatic hydrocarbons using annular denuders. Atmos. Environ. 29, 1719-1733.
  10. Wampler, D.A.; Miller-Leiden, S.; Nazaroff, W.W.; Litvak, A.; Mahanama, K.R.R.; Nematollahi, M.; Gadgil A.J. [1995]. Effectiveness of smokeless ashtray. J. Air & Waste Manage. Assoc. 45, 494-500.
  11. Mahanama, K.R.R.; Gundel, L.A.; Daisey, J.M. [1994]. Selective fluorescence detection of polycyclic aromatic hydrocarbons in environmental tobacco smoke and other airborne particles. Int. J. Environ. Anal. Chem. 56, 289-309.
  12. Gundel, L.A.; Mahanama, K.R.R.; Daisey, J.M. [1993]. Fractionation of polar organic extracts of airborne particulate matter using cyanopropyl bonded silica in solid phase extraction. J. Chromatogr. 629, 75-82.
  13. Schneiderman, M.A.; Sharma, A.K.; Mahanama, K.R.R.; Locke, D.C. [1988]. Determination of vitamin K-1 in the commercial infant formulae using supercritical fluid extraction and HPLC with electrochemical detector. J. Assoc. Offic. Anal. Chem., 71, 815-817.

Technical research reports:

  1. Mahanama, K.R.R. Dissanayake, D.P. [2000]. Method development for analysis and control of organic pollutants in diesel exhaust. Report submitted to National Science Foundation, Sri Lanka.
  2. Daisey, J.M.; Mahanama, K.R.R.; Hodgson, A.T. [1994]. Toxic volatile organic compounds in environmental tobacco smoke: Emission factors for modeling exposure of California populations. Report submitted to California Air Resources Board. California, USA.
  3. Hodgson, A.T.; Mahanama, K.R.R.; Albert, M.L. [1993]. An impregnated-filter method for measuring trace concentrations of toluene diisocynates in air. Report submitted to US Consumer Product Safety Commission. Washington DC, USA.

Conference papers:

  1. Haniffa, M.A.C.M.; Senthilnithy, R.; Mahanama, K.R.R. [2014]. Contribution of organic contaminations and nutrient level on dynamic equilibrium of dissolved oxygen in water bodies of coastal belt of Ampara. Proceedings of fourth international symposium 2014, SEUSL, Oluvil Sri Lanka. 480-486
  2. Haniffa, M.A.C.M.; Senthilnithy, R.; Mahanama, K.R.R. [2013]. Effect of sodium concentration of inland water bodies related to paddy cultivated land in South Eastern region. Proceedings of third international symposium 2013, SEUSL, Oluvil Sri Lanka. 104 – 109.
  3. Somasiri, H.P.P.S.; Premakumara, G.A.S.; Mahanama, K.R.R. [2011] Free amino acid profile of kithul palm Caryotourens L. treacle and its potential application in authentication of treacle types. Proceedings 12th Government Food analysts Conference. 142-147.
  4. Gundel, L.A.; Mahanama, K.R.R.; Apte, M.G.; Herring, A.S.V.; VanLoy, M.D.; Daisey, J.M. [1999]. Dynamic behavior of polycyclic aromatic hydrocarbons in environmental tobacco smoke: Effects of aging and temperature variation on phase and size distribution. Proceedings of Indoor Air ’99. The 8th International Conference on Indoor Air Quality and Climate, 2, 915-920.
  5. Hodgson, A.T.; Daisey, J.M.; Alvenatis, L.E.; Mahanama, K.R.R.; Ten Brinke J. [1996]. Use of volatile tracers to determine the contribution of environmental tobacco smoke to concentrations of volatile organic compounds. Proceedings of Indoor Air ’96. The 7th International Conference on Indoor Air Quality and Climate, 4, 57-62.
  6. Daisey, J.M.; Mahanama, K.R.R.; Hodgson, A.T. [1994]. Indoor air: Air toxics from environmental tobacco smoke. Proceedings of the 5th Annual West Coast Conference on Current Issues in Air Toxics, 135-143.
  7. Gundel, L.A.; Daisey, J.M.; Mahanama, K.R.R.; Lee, V.C.; Stevens, R.K. [1993]. Polycyclic aromatic hydrocarbons in indoor air and environmental tobacco smoke measured with a new integrated organic vapor-particle sampler. Proceedings of Indoor Air ’93. The 6th International Conference on Indoor Air Quality and Climate, 1, 81-86.

Graduate supervisions:

  1. Investigations of heavy metals in decorative enamel paints in Sri Lanka [2016]. Ms. M.C. Lakmini, M.Sc. in Analytical Chemistry, University of Colombo.
  2. Chemical characterization and authentication of Caryota urens L. sap and products [2016]. Mr. H.P.P.S. Somasiri, Ph. D., University of Colombo. Co-supervisor: Dr. G.A.S. Premakumara, Industrial Technology Institute, Colombo.
  3. Development of a method to use gunshot residue as a forensic evidence to establish the shooter [2015]. Mr. W.M.A. Kuamara, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Mr. A. Welianga, Government Analyst Department, Colombo.
  4. Development of a simple, cost effective reliable method for assessing paracetamol in pharmaceuticals [2015]. Mr. G.W.C.S. Perera, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Prof. M.D.P. De Costa, Department of Chemistry, University of Colombo.
  5. Investigation of heavy metals in roadside dust particles and indoor depositions from selected locations in Gampaha District. [2015]. Ms. A. U. Gurusinghe, M.Sc. in Analytical Chemistry, University of Colombo.
  6. Studies on the quality of commercially available organic fertilizers in Sri Lanka [2015]. Mr. W.M.A.K. Wijesinghe, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: M.N.A. Mubarak, Industrial Technology Institute, Colombo.
  7. Determination of chlorothalonil residues in tomatoes by GC-ECD [2015]. Ms. M.B.P. Perera, M.Sc. in Analytical Chemistry, University of Colombo.
  8. Isolation of flavors from dry flowers of Aegle Marmelose (Beli Mal) and use them with bottled water as “Beli mal flowered drinking water” [2015]. Mr. M.W. Pushphakumara, M.Sc. in Applied Organic Chemistry, University of Colombo. Co-supervisor: Dr. N. Varnalulenderan, Eastern University, Trincomalee.
  9. A geographical perspective of issues related to the disposal of urban solid waste in the wet and intermediate agro-ecological zones in Sri Lanka [2015]. Ms. U.F. Rusaik, Ph. D., University of Colombo. Co-supervisor: Prof. Jayanthi De Silva, Department of Geography, University of Colombo.
  10. Development of a method for the recycling of used lubrication oil [2015]. Mr. D.S.P.C.D. Pathirana, M.Sc. in Analytical Chemistry, University of Colombo.
  11. Method development for analysis of selected pesticide residues in black tea [2014]. Mr. A. Premathilaka, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Dr. N. Punyasiri, Tea Research Institute, Thalawakele.
  12. Assessment of quality of coconut oil and its adulterations with oil [2014]. Ms. D.A. Gamage, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Mr. R.M.G.B. Rajanayake, Public Health Department, Colombo.
  13. Development of a GC fingerprint method for the determination of the diesel adulterants [2014]. Mr. D.M.G.C. Bandara, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Mr. A. Welianga, Government Analyst Department, Colombo.
  14. Investigation of heavy metals exposure to different occupations [2014]. Ms. H. Rambukwella, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Mr. V.A. Waduge, Atomic Energy Authority, Colombo.
  15. Determination of hexavalent chromium and other heavy metals in leather products of Sri Lanka [2014]. Mr. A.G.G.C. Premaratne, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Ms. S.L. Rajasingham, SGS Lanka, Colombo.
  16. Determination of food composition and nutrient labeling of selected agricultural products in Sri Lanka [2014]. Ms. E.M.S. Isanka, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Mr. H.P.S. Somasiri, Industrial Technology Institute, Colombo.
  17. Comparative analysis of composition of polyaluminium chloride used for water treatment in Sri Lanka [2014]. Ms. A.S. Saputhanthri, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Mr. L.P.R.J. Wijesinghe, National Water Supply & Drainage Board, Ratmalana.
  18. Method Validation for chlorophenaminemeleate in pharmaceutical preparations [2014]. Ms. K.S. Indikadahena, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Dr. K.K.G.P.B. Herath, Astron Ltd., Ratmalana.
  19. An investigation to assess the performance of wastewater treatment plant of Seethawaka export processing system [2014]. Ms. V.P.L. Jayawardena, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Mr. S. Sumanaweera, National Water Supply & Drainage Board, Ratmalana.
  20. Study of catalytic oxidation efficiency of titanium oxide coated on activated carbon [2013]. Mr. R.B. Warnakulasooriya, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Dr. D.P. Dissanayake, Department of Chemistry, University of Colombo.
  21. Investigation of milk powder for fat adulteration [2013]. Ms. W.M.K.S. Gunaratne, M.Sc. in Analytical Chemistry, University of Colombo.
  22. Study of the use of biogeofilter for the purification of waste water [2013]. Ms. G. S. M. Fonseka, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Dr. (Mrs) B. C. L. Atapattu and Dr. (Mrs) S. Iqbal, Open University of Sri Lanka, Nawala.
  23. Investigating the emission of formaldehyde from common wood products used in Sri Lanka [2013]. Mr. C. K. Kosgahakumbura, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Ms. S.L. Rajasingham, SGS Lanka, Colombo.
  24. Determination of polycyclic aromatic hydrocarbons (PAHs) in drinking water from Colombo and Jaffna Districts [2013]. Mr. W.A.U.K. Wickramasinghe, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Ms. S.L. Rajasingham, SGS Lanka, Colombo.
  25. Development of a high performance liquid chromatographic assay method for chlorophenamine malate in tablets [2012]. Ms. A. Vinothan, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Mr. A. Munasinghe, State Pharmaceutical Cooperation, Colombo.
  26. Analysis of benzoic acid sorbic acid in some selected food items available in Sri Lanka [2012]. Ms. U.L. Kathriarachchi, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Ms. D. Seneviratne, Government Analyst’s Department, Colombo.
  27. SDS-PAGE analysis of 8 endotoxins of local strains and screening of type I  exotoxins by HPLC [2012]. Ms. D.M.J.C. Dissanayake, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Prof. T.C. Bamunuarachchi, University of Peradeniya, Kandy.
  28. Investigation of contribution of ambient ozone level to the asthma prevalence among the school children [2012]. Ms. A.T.R. Fernando, M.Sc. in Analytical Chemistry, University of Colombo.
  29. A study on the agricultural runoff and other improper waste disposal degrading the quality of stagnant water bodies in South Eastern region of Sri Lanka [2011]. Mr. M.A.C. Mohamed Haniffa, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Dr. R. Senthilnithy, South Eastern University of Sri Lanka, Oluvil.
  30. Spectroscopic methods for screening Sudan dyes from chili products [2011]. Ms. E.H.M. Ranasinghe, M.Sc. in Analytical Chemistry, University of Colombo.
  31. Investigation on the use of used polyethylene teraphthalate bottles to remove the hazardous polycyclic aromatic hydrocarbons from coconut oil [2011]. Ms. R.M.R.K. Rathnayake, M.Sc. in Analytical chemistry, University of Colombo.
  32. Application of the removal of lead and cadmium ions from aquatic systems using structurally different forms of rice husk ashes [2011]. Mr. M.M. S. Premalal, M.Sc. in Analytical Chemistry, University of Colombo.
  33. Evaluation of the pesticide distribution between soil and ground water [2011]. Mr. H.D.P. Fonseka, M.Sc. in Analytical Chemistry, University of Colombo.
  34. Qualitative and quantitative determination of organophosphates in post-mortem whole human blood by gas chromatography [2010]. Mr. U.S.S. Udugampola, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Ms. S. Tennakoon, Government Analyst’s Department, Colombo.
  35. Exposure of heavy metals to the toddlers from crayons [2010]. Miss. L.R.T. Perera, M.Sc. in Analytical Chemistry, University of Colombo.
  36. Variation of water quality along Kalu Ganga [2010]. Mr. D.N.P. Welikala, M.Sc. in Analytical Chemistry, University of Colombo.
  37. Development of screening methods to determine the excipient metal contents in pharmaceutical formulations [2010]. Ms. G.R.W.P. Kumari, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Dr. K.K.G.P.B. Herath, State Pharmaceutical Manufacturing Cooperation of Sri Lanka, Ratmalana.
  38. Quantitative analysis of fat soluble vitamin A and vitamin E from consumer products [2010]. Ms. P.S.F. Perera, M.Sc. in Analytical chemistry, University of Colombo.
  39. Nutrition value of available fertilizers in Sri Lanka at the farmers end [2010]. Ms. K.C.R.K. Fernando, M.Sc. in Analytical Chemistry, University of Colombo.
  40. Assessment of heavy metals in black tea produced in different agro-ecological regions of Sri Lanka [2009]. Ms. A.D.M. Damayanthi, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Dr. A.M.T. Amarakoon, Sri Lanka Tea Board, Colombo.
  41. Investigation of lead and other heavy metals sources and their depositions in the indoors [2009]. Ms. D.T. Abeysinghe, M.Sc. in Analytical Chemistry, University of Colombo.
  42. Investigation of leaching heavy metals into soil and groundwater from a battery dump yard [2009]. Mr. H.A. Wanniarchchie, M.Sc. in Analytical Chemistry, University of Colombo.
  43. Investigations of the changes in chemical and physical properties in the lubricating oil with the usage [2008]. Ms. H.T.P.H. Weragoda, M.Sc. in Analytical Chemistry, University of Colombo.
  44. Exposure analysis of xylene and formaldehyde levels in a histopathology laboratory [2008]. Mr. A.P. Kamalasiri, M.Sc. in Analytical Chemistry, University of Colombo
  45. Development of an environmental benign extraction method to isolate the fragrances from natural products [2008]. Mr. M.M.N.B. Gunasekera, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Mr. J.K.A.B. Wijegunasekara, Industrial Technology Institute, Colombo.
  46. Investigation of metal contents in crude and processed petroleum products [2008]. Ms. K.N. Ratnayake, M.Sc. in Analytical Chemistry, University of Colombo.
  47. Identification and quantification of spice adulterants in Sri Lanka [2007]. Ms. C.Y.P. Perera, M.Sc. in Analytical Chemistry, University of Colombo.
  48. Development of a water quality index for Kelani River [2007]. Mr. D.D.N. Padmasiri, M.Sc. in Analytical Chemistry, University of Colombo.
  49. Development of a suitable method for identification of different polymorph types in mebendazole [2007]. Ms. H.C. Ratnayake, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Dr. K.K.G.P.B. Herath, State Pharmaceutical Manufacturing Cooperation of Sri Lanka, Ratmalana.
  50. Comparisons of quality of edible iodated salt produced by small and medium industries [2007]. Ms. D.M.U. Gamage, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Ms. Jasmine Mannapperuma, Small and Medium Enterprises, Colombo.
  51. Development of a fingerprinting method to investigate the arsenals [2007]. Mr. A. Welianga, M.Sc. in Analytical Chemistry, University of Colombo.
  52. A study of noise regulations No 1 of 1996 and preparation of noise zone map for Dehiwala Mount Lavinia municipal area [2006]. Mr. S. Wijesekara, M.Sc. in Environmental Science, University of Colombo. Co-supervisor: Mr. C.K. Amaratunga, Central Environmental Authority, Colombo.
  53. Assessing the levels of carbonyl and phenolic compounds in indoors due to the combustion processes [2006]. Ms D. Paramasivam, M.Sc. in Analytical Chemistry, University of Colombo.
  54. Thermal catalytic degradation of volatile hydrocarbons in gas phase [2006]. Mr. R.S.K. Wataketiya, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Dr. D.P. Dissanayake, Department of Chemistry, University of Colombo.
  55. Development of a chromatographic based method for the source determination of “street” samples of heroin [2005]. Ms. E.A. Egodapitiya, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Dr. A.R.L. Wijesekara, National Dangerous Drug Control Board, Colombo.
  56. A study of the low birth weight of infants arising out of the exposure of their mothers to smoke from biomass smoke [2005]. Ms. S.M. Pathiratne, M.Sc. in Analytical Chemistry, University of Colombo.
  57. A survey and investigation to evaluate the relationship of cancer to indoor air pollution [2005]. Ms. M.A.K.K. P. Perera, M.Sc. in Analytical Chemistry, University of Colombo.
  58. Investigation of adulterants in Sri Lankan motor fuels using a synchronize fluorimetric method [2005]. Mr. D.R. Kulathunga, M.Sc. in Analytical Chemistry, University of Colombo.
  59. Risk of cataract formation with exposure to biomass smoke [2005]. Ms. M.H. Ranasinghe, M.Sc. in Analytical Chemistry, University of Colombo.
  60. Transesterification process to manufacture ethyl esters of coconut oil [2004]. Ms. R.R.J. de Silva, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Dr. D.P. Dissanayake, Department of Chemistry, University of Colombo.
  61. Investigation of polar aromatic compounds between acetonitrile and nonpolar solvents [2004]. Mr. K.V.G.M. Silva, M.Sc. in Analytical Chemistry, University of Colombo.
  62. Correlation investigation for dissolved oxygen and dissolved sulfur compounds [2004]. Mr. D.S.M. Wickramarchchi, M.Sc. in Analytical Chemistry, University of Colombo.
  63. Characterization of sound absorption properties of locally available absorption material [2004]. Mr. S. S. K. Hapuarchchi, M.Sc. in Environmental Science, University of Colombo. Co-supervisor: Mr. A.S. Pannila, Ceylon Institute of Scientific and Industrial Research, Colombo.
  64. Degradation of sulfur containing pollutants using zinc oxide based photo catalysis [2004]. Mr. W.S.R. Ratnayake, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Dr. D.P. Dissanayake, Department of Chemistry, University of Colombo.
  65. Comparative study of water quality in dry zone and wet zone of Sri Lanka [2003]. Mr. L.P.R.J. Wijesinghe, M.Sc. in Analytical Chemistry, University of Colombo.
  66. Impurities and adulterants of illicit heroin in Sri Lanka [2001]. Ms. P.S.K. Rajapaksa, M.Sc. in Analytical Chemistry, Peradeniya. Co-supervisors: Dr. D.P. Dissanayake, Department of Chemistry, University of Colombo and Ms. Y. Mahasen, Government Analyst Department.
  67. Investigation of sulfur compounds in selected stagnant water bodies in Sri Lanka [2000]. Mr. K.I.A. Kularatne, M.Sc. in Forestry and Environmental Management, University of Sri Jayewardenepura.
  68. Developing a sensor for sulfur dioxide in the environment of air [1998]. Ms. E. Nallathamby, M.Sc. in Analytical Chemistry, University of Colombo.
  69. Determination of organic pollutants in diesel exhaust emissions [1996]. Mr. A. Thyakasan, M.Sc. in Analytical Chemistry, University of Colombo. Co-supervisor: Dr. D.P. Dissanayake, Department of Chemistry, University of Colombo.

Organization of conferences, seminars and exhibitions:

  1. Panel Discussion on Solid Waste Disposal: Barriers for a Solution. Organized by the Environment Committee of the Sri Lanka Association for the Advancement of Science, 24th May 2006, Colombo.
  2. Awareness Programme on Noise Pollution. Organized by the Environment Committee of the Sri Lanka Association for the Advancement of Science, 24th November 2005, Colombo.
  3. Workshop on the Role of Media on Conservation of Upper Watershed Management Areas and Related Environmental Issues. Organized by the Media Resource Services and the Environment Committee of the Sri Lanka Association for the Advancement of Science in Collaboration with Upper Watershed Management Project of the Ministry of Environment and Natural Resources 25th October 2005, Colombo.
  4. Awareness Programme on Persistent Organic Pollutants to the Executive and Supervisory Grade Staff in Industry. Organized by the Environment Committee of the Sri Lanka Association for the Advancement of Science, 2nd September 2005, Colombo.
  5. Awareness Programme on the Kyoto Protocol. Organized by the Environment Committee of the Sri Lanka Association for the Advancement of Science in Collaboration with the Ministry of Environment and Natural Resources, 5th May 2005, Colombo.
  6. Discussion on Will Water be a Looming Crisis in Sri Lanka in 2025? in commemoration of the World Water Day 2005. Organized by the Environment Committee of the Sri Lanka Association for the Advancement of Science, 22nd March 2005, Colombo.
  7. Discussion on Role of Provincial Councils/Local Authorities in Air Pollution Management. Organized by the Environment Committee of the Sri Lanka Association for the Advancement of Science in Collaboration with Waste Management Authority of Western Province Council, 27th July 2004, Colombo.
  8. Workshop on Industrial Effluents. Organized by the Environment Committee and Section E2 of the Sri Lanka Association for the Advancement of Science, 26th March 2004, Matara.
  9. Awareness Workshop for NGOs, Farmer and Consumer Organizations on Genetically Modified Food (GMF) Genetically Modified Organisms (GMO) and Biosafety. Organized by the Media Resource Services and the Environment Committee of the Sri Lanka Association for the Advancement of Science in Collaboration with National Biosafety Frame work, 28th October 2003, Colombo.
  10. Panel Discussion on Depletion of Ozone Layer and Climate Change. Organized by the Environment Committee and the Media Resource Services of the Sri Lanka Association for the Advancement of Science in Collaboration with the National Ozone Unit, Ministry of Environment and Natural Resources, 22nd October 2003, Colombo.
  11. Awareness programme on Dengue Awareness and Prevention Program for the Teachers and School Children in Gampaha District. Organized by the Environment Committee of the Sri Lanka Association for the Advancement of Science, 12th July 2002, Gampaha.

Departmental and University activities and responsibilities:

  1. Member, Steering Committee for the Establishment of a Technology Faculty, University of Colombo (2015-present).
  2. Member, Management Committee of the Internal Quality Assurance, University of Colombo (2015-present).
  3. Member, Finance Committee, Institute of Biochemistry and Molecular Biology, University of Colombo (2015-present)
  4. Chairman, Sports Board, University of Colombo (2014- present).
  5. Dean, Faculty of Science, University of Colombo (2014 – present).
  6. Chairman, Faculty Board, Faculty of Science (2014 – present)
  7. Chairman, Higher Degree Committee, Faculty of Science (2014 – present)
  8. Chairman, University of Colombo Science and Technology Cell (2014 – present)
  9. Member, Council, University of Colombo (2014 – present).
  10. Member, Deans Committee, University of Colombo (2014 – present).
  11. Member, Finance Committee, University of Colombo (2014 – present).
  12. Member, Legislative Committee, University of Colombo (2014 – present).
  13. Member, Board of Management, Faculty of Graduate Studies (2014-present)
  14. Member, Board of Management, University of Colombo School of Computing (2014-present)
  15. Member, Board of Management, Institute of Biochemistry and Molecular Biology (2014-present)
  16. Member, Board of Management, Institute of Human Resource Advancement (2014-present)
  17. Member, Board of Management, Institute of Agro-Technical and Rural Sciences (2014-present)
  18. Member, Board of Management, Virtual Campus University of Colombo (2014-present)
  19. Member, Board of Management, Staff Development Centre (2014-present)
  20. Member, Finance Committee, University of Colombo School of Computing (2014 – present).
  21. Member, Editorial Committee, Annual Research Symposium, University of Colombo (2012).
  22. Acting Dean, Faculty of Science, University of Colombo (January 2011, February-May 2013, January-April 2014)
  23. Domain Coordinator, Institutional Review for Quality Assurance, University of Colombo (2010).
  24. Head, Department of Chemistry, University of Colombo (2009 – 2014).
  25. Member, Senate, University of Colombo (2008 – present).
  26. Member, Curriculum Development Evaluation Committee, Faculty of science, University of Colombo, (2006 – present).
  27. Member, Higher degree Committee, Faculty of science, University of Colombo, (2006 – present).
  28. Member, Organizing Committee for the Joint Academic Sessions of the Faculties of Science and Medicine (2004).
  29. Member, Organizing Committee of the 8th Sri Lanka University Games 2004.
  30. Coordinator, M.Sc. Analytical Chemistry, University of Colombo (2004 – 2009).
  31. Treasurer, Science Teachers Association, University of Colombo (2002-2003).
  32. Senior Treasurer, Media and Art Circle of the University of Colombo (2002).
  33. Student Counsellor, Science Faculty, University of Colombo (2001-2003).

Visiting Lecturer:

  1. M.Sc. in Disaster Analysis, Management and Mitigation, Institute of Human Resource Advancement, University of Colombo (2015-present).
  2. M.Sc. in Chemistry Education, University of Colombo (2014 – present).
  3. M.Sc. in Molecular Medicine, Post Graduate Institute of Medicine, University of Colombo (2012 – present)
  4. M.Sc. in Applied Organic Chemistry, University of Colombo (2006 – present).
  5. M.Sc. in Environmental Science, University of Colombo (2006 – present).
  6. Postgraduate Diploma in Toxicology, University of Colombo (2006 – present).
  7. Postgraduate Diploma in Chemical Analysis, University of Colombo (1996 – 1999).
  8. M.Sc. in Analytical Chemistry, University of Colombo (1995 – present).

Curriculum Vitae