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Prof. Kariyawasam Ranaweerage Ranjith Mahanama
Prof. Kariyawasam Ranaweerage Ranjith Mahanama
Senior Professor, Department of Chemistry, University of Colombo, Sri Lanka.
Dirección de correo verificada de chem.cmb.ac.lk
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Direct determination of the phase distributions of semi-volatile polycyclic aromatic hydrocarbons using annular denuders
LA Gundel, VC Lee, KRR Mahanama, RK Stevens, JM Daisey
Atmospheric Environment 29 (14), 1719-1733, 1995
2761995
Tyrosinase, elastase, hyaluronidase, inhibitory and antioxidant activity of Sri Lankan medicinal plants for novel cosmeceuticals
GD Liyanaarachchi, JKRR Samarasekera, KRR Mahanama, ...
Industrial crops and products 111, 597-605, 2018
1762018
Toxic volatile organic compounds in simulated environmental tobacco smoke: emission factors for exposure assessment.
JM Daisey, KR Mahanama, AT Hodgson
Journal of exposure analysis and environmental epidemiology 8 (3), 313-334, 1998
1101998
Use of volatile tracers to determine the contribution of environmental tobacco smoke to concentrations of volatile organic compounds in smoking environments
AT Hodgson, JM Daisey, KRR Mahanama, J Ten Brinke, LE Alevantis
Environment International 22 (3), 295-307, 1996
961996
Semivolatile and particulate polycyclic aromatic hydrocarbons in environmental tobacco smoke: cleanup, speciation, and emission factors
LA Gundel, KRR Mahanama, JM Daisey
Environmental science & technology 29 (6), 1607-1614, 1995
841995
Determination of Vitamin K1 in Powdered Infant Formulas, Using Supercritical Fluid Extraction and Liquid Chromatography with Electrochemical Detection
MA Schneiderman, AK Sharma, KRR Mahanama, DC Locke
Journal of the Association of Official Analytical Chemists 71 (4), 815-817, 1988
551988
Volatile N-Nitrosamines in Environmental Tobacco Smoke:  Sampling, Analysis, Emission Factors, and Indoor Air Exposures
KRR Mahanama, JM Daisey
Environmental science & technology 30 (5), 1477-1484, 1996
451996
Cyclohexane oxidation and carbon deposition over metal oxide catalysts
C Hettige, KRR Mahanama, DP Dissanayake
Chemosphere 43 (8), 1079-1083, 2001
382001
Development and validation of a method for direct, underivatized analysis of free amino acids in rice using liquid chromatography–tandem mass spectrometry
GVV Liyanaarachchi, KRR Mahanama, H Somasiri, PAN Punyasiri
Journal of Chromatography A 1568, 131-139, 2018
352018
Selective fluorescence detection of polycyclic aromatic hydrocarbons in environmental tobacco smoke and other airborne particles
KRR Mahanama, LA Gundel, JM Daisey
331992
Toxic volatile organic compounds in environmental tobacco smoke: Emission factors for modeling exposures of California populations
JM Daisey, KRR Mahanama, AT Hodgson
311994
Cellulose Supported Magnetic Nanohybrids: Synthesis, Physicomagnetic Properties and Biomedical Applications-A Review
MACM Haniffa, K Munawar, CY Chee, S Pramanik, A Halilu, HA Illias, ...
Carbohydrate Polymers 267 (2), 118136, 2021
242021
Development of a fluorimetric method for assessing paracetamol in pharmaceuticals tablets
G Perera, MDP De Costa, KRR Mahanama
Journal of Photochemistry and Photobiology A: Chemistry 368, 248-253, 2019
232019
Validation of a reversed-phase high-performance liquid chromatographic method for the determination of free amino acids in rice using l-theanine as the internal standard
GVV Liyanaarachchi, KRR Mahanama, H Somasiri, PAN Punyasiri
Food chemistry 240, 196-203, 2018
232018
Contribution of dissolved sulfates and sulfites in hydrogen sulfide emission from stagnant water bodies in Sri Lanka
KIA Kularatne, DP Dissanayake, KRR Mahanama
Chemosphere 52 (5), 901-907, 2003
212003
Fingerprinting diesel and petrol fuels for adulteration in Sri Lanka
DR Kulathunga, KRR Mahanama
Journal of the National Science Foundation of Sri Lanka 41 (4), 287-292, 2013
202013
Total and free amino acid contents of popular rice varieties (Oryza sativa L.) consumed in the capital city of Sri Lanka
GVV Liyanaarachchi, KRR Mahanama, H Somasiri, PAN Punyasiri, ...
Journal of the National Science Foundation of Sri Lanka 48 (2), 199-211, 2020
182020
Fractionation of polar organic extracts of airborne particulate matter using cyanopropyl-bonded silica in solid-phase extraction
LA Gundel, KRR Mahanama, JM Daisey
Journal of Chromatography A 629 (1), 75-82, 1993
171993
Profiling of amino acids in traditional and improved rice (Oryza sativa L.) varieties of Sri Lanka and their health promoting aspects
GVV Liyanaarachchi, KRR Mahanama, H Somasiri, PAN Punyasiri, ...
Cereal Research Communications 49 (3), 441-448, 2021
122021
Single laboratory validation of determination of 13 trace elements in rice by ICP-MS with an overview of challenges encountered
GU Chandrasiri, MNA Mubarak, K Mahatantila, KRR Mahanama
American Journal of Analytical Chemistry 10 (9), 367-376, 2019
122019
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