DR. S.L. MADUNIL
Ph.D. (Analytical Chemistry) – Kyushu University, Japan
M.Sc. (Analytical Chemistry) UoC, Sri Lanka
B.Sc. Hons (Chemistry) – USJ, Sri Lanka
Senior Lecturer (Grade II)
Department of Indigenous Medical Resources
Contact details: : lakshitha@gwu.ac.lk /+94 337809507
ACADEMIC QUALIFICATIONS
- Doctor of Engineering (2018 – 2021)
Kyushu University, Japan
- M.Sc. in Analytical Chemistry (2013-2018)
University of Colombo, Sri Lanka
- B.Sc. in Chemistry Special (2004-2008)
University of Sri Jayewardenepura, Sri Lanka
FIELD OF SPECIALIZATION
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Analytical Chemistry
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Extraction Techniques
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Mass Spectrometry
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Toxicology
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Medicinal Chemistry
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Organic Synthesis
CERTIFICATES/TRAININGS/SHORT COURSES
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Certificate in Video-based learning content development for e-Learning and B-Learning, International Institute of Online Education
UNESCO in collaboration School of Computing, University of Colombo.
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Advanced Techniques in Analytical Instrumentation: XRD and Electrochemical Workstation workshop
Young Scientists Forum, Wayamba University of Sri Lanka.
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Toxicology Specimen Collection, Analysis and Interpretation conducted by International Criminal Investigative Training Assistance Programme,
United States Department of Justice, USA.
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Toxicology Testing, Methods, Interpretation and Testimony conducted by International Criminal Investigative Training Assistance Programme,
United States Department of Justice, USA.
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Accreditation and quality in Toxicology Laboratories conducted by International Criminal Investigative Training Assistance Programme,
United States Department of Justice, USA .
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CBRN first responder training programme conducted by Southeast Asia Regional Centre for counterterrorism and Malaysian Technical Cooperation Programme,
Kuala Terengganu, Terengganu, Malaysia.
WORK EXPERIENCE/POSITIONS HELD (INTERNATIONAL/LOCAL/UNIVERSITY LEVEL/DEPARTMENT LEVEL)
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Senior Assistant Government Analyst (12 years)
Toxicology Section, Government Analyst’s Department of Sri Lanka, Sri Lanka
- Temporary Demonstrator (02 years)
Department of Physical Sciences, Rajarata University of Sri Lanka, Sri Lanka
- Teaching Assistant (01 year)
Institute of Chemistry Ceylon, Sri Lanka
- Temporary Demonstrator (01 year)
Department of Chemistry, Faculty of Applied Sciences, University of Sri Jayewardenepura, Sri Lanka
- Trainee Chemist (01 month)
Department of Quality control & production in Laxapana Batteries Ltd, Sri Lanka
AWARDS
- Mitsubishi Corporation International scholarship, Mitsubishi Corporation
- Research Grant, Gampaha Wickramarachchi University of Indigenous Medicine, Sri Lanka
ONGIUNG REASERCH/GRANTS
- Accumulation mechanisms of selected metals, pesticides and anions to some selected plant species and preparation of a plant-based water purification system
RESEARCH PUBLICATIONS
JOURNAL ARTICLES
- Madunil, S. L.; Imasaka, T.; Imasaka, T.; Resonant and non-resonant femtosecond ionization mass spectrometry of organochlorine pesticides, Analyst, 145 (3), 2020, 777-783.
- Madunil, S. L.; Imasaka, T.; Imasaka, T.; Suppression of Fragmentation in Mass Spectrometry, Analytical Chemistry, 3. 2020, 92, 24, 16016–16023.
- Madunil, S. L.; Imasaka, T.; Imasaka, T.; Comprehensive analysis of psychoactive substances by laser ionization mass spectrometry, Journal of the American Society for Mass Spectrometry, 2022, 33, 1, 90–99.
- Madunil, S. L.; Imasaka, T.; Imasaka, T.; Determination of Barbiturates by Femtosecond Ionization Mass Spectrometry, Analytical Chemistry, 2022, 94, 42, 14691–14698.
- Appuhamy, P.; Madunil, S.L. Death due to unrecognized intoxication of Nifedipine in an adult, Forensic Toxicology, 2024, 1-4.
ABSTRACTS/PROCEEDINGS
- Siddihalu Lakshktha Madunil, Totaro Imasaka, Tomoko Imasaka. Laser ionization time-of-flight mass spectrometry of drug-related compounds, Japan Society for Analytical Chemistry 69th Annual sessions, Hokkaido, Japan. 2020. Page 88.
- Siddihalu Lakshktha Madunil, Tomoko Imasaka, Totaro Imasaka. Gas chromatography/mass spectrometry of highly-toxic organochlorine pesticides using an ultraviolet femtosecond laser as an ionization source, Japan Society for Analytical Chemistry 79th Annual sessions, Kitakyushu, Japan. 2019. Page 147.
- Siddihalu Lakshitha Madunil, Totaro Imasaka, Tomoko Imasaka. Studies on Ionization Mechanism of 4-Methylcyclohexanol for Observing a Molecular Ion, New Trends in Photophysics of Photochemistry and their Applications-International Symposium between ETH Zürich and Kyushu University, Fukuoka, Japan. 2020 (Oral presentation).
- Siddihalu Lakshitha Madunil, Totaro Imasaka, Tomoko Imasaka. Ionization Efficiencies of Chlorinated Pesticides at Different Femtosecond Laser Pulse Widths, Challenge in Chemistry-The State of the Art- International Symposium between National University of Singapore and Kyushu University, Fukuoka, Japan. 2019 (Oral presentation).
- Tomoko Imasaka, Siddihalu Lakshitha Madunil, Totaro Imasaka. Spectroscopic Properties of “Novichok” Theoretically Calculated for Gas Chromatography/Femtosecond Ionization Mass Spectrometry, the 16th Annual Conference of the Taiwan Society for Mass Spectrometry, 2019 (Oral presentation).
- Tomoko Imasaka, Siddihalu Lakshitha Madunil, Totaro Imasaka. Study on Photoionization Process in Mass Spectrometry Based on Quantum Chemical Calculation, The National Taiwan Normal University (NTNU)-Kyushu University Joint Forum on Facilitating Interdisciplinary Research and Education, Fukuoka, Japan. 2019(Oral presentation without abstract).
- Siddihalu Lakshitha Madunil, Tomoko Imasaka, Totaro Imasaka. An Ultrashort Ultraviolet Optical Pulse for Ionization of Pesticides in Multiphoton Ionization Mass Spectrometry, PQE-2019, The 49th Winter Colloquium on the Physics of Quantum Electronics, USA. 2019.
- Siddihalu Lakshitha Madunil, Tomoko Imasaka, Totaro Imasaka, Analysis of Organochlorine Pesticides Using MultiphotonIonization Time-of-Flight Mass Spectrometry, Symposium on Education and Research for International Collaboration between Kyushu University and National Taiwan Normal University, Fukuoka, Japan. 2018 (Oral presentation).
- Siddihalu Lakshitha Madunil. Development of a LC-MS method for the analysis of Sildenafil in post-moterm samples, Annual Scientific Sessions, Medico-Leagal Society of Sri Lanka, Colombo.2015. Page 95.
- Siddihalu Lakshitha Madunil and W. D. W. Jayathilka. Basic Studies on the metal toxicity levels of Cu2+, Ni2+, Zn2+ and Cd2+ in some selected macrophytes, The 13th International Forestry and Environmental Science symposium, Kaluthara, Sri Lanka, 2008. Page 19.
- C.S.C. Fonseka, K.S.U. Kumara, S.L. Madunil and A.M. Hafill. A preliminary survey on selected minerals of Sri Lanka. The 2nd annual research sessions, Mihintale, Sri Lanka, 2011. Page 39-41.
BOOK CHAPTERS
BOOK CHAPTERS
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Madunil, S. L. and Wijesinghe, J. Toxicological Techniques in Marine Pollution. 2025.in Coastal and Marine Pollution: Source to Sink, Mitigation and Management M. Vithanage, S.M. Samarasekara, B. D. James and C. M. Reddy (Ed.) , John Wiley & Sons Inc. USA https://doi.org/10.1002/9781394237029.ch5
