Chromatographic Problems Related to Mobile Phase Degassing and Fluorescence Detectionvan Brakel, A. S.; Matheson, A. R.; Hewavitharana, A. K. · Journal of Chromatographic Science · 1997

Screening of rifamycin producing marine sponge bacteria by LC–MS–MSAmitha K. Hewavitharana; P. Nicholas Shaw; Tae Kyung Kim; John A. Fuerst · 2007

Reversed-phase chromatographic separation of highly charged inorganic cations and anions using ion interaction reagents and competing ionsKirk, A. D.; Hewavitharana, A. K. · Analytical Chemistry · 1988

Disruption of NaS1 sulfate transport function in mice leads to enhanced acetaminophen-induced hepatotoxicitySoohyun Lee; Paul A. Dawson; Amitha K. Hewavitharana; P. Nicholas Shaw; Daniel Markovich · 2006

Study of beta endorphin metabolism in inflamed tissue, serum and trypsin solution by liquid chromatography–tandem mass spectrometric analysisH. M. D. R. Herath; P. J. Cabot; P. N. Shaw; A. K. Hewavitharana · 2012

Dynorphin A 1–17 biotransformation in inflamed tissue, serum and trypsin solution analysed by liquid chromatography–tandem mass spectrometryMorgan, M.; Herath, H. M. D. R.; Cabot, P. J.; Shaw, P. N.; Hewavitharana, A. K. · Analytical and Bioanalytical Chemistry · 2012

Enhancing the ratio of molecular ions to non-covalent compounds in the electrospray interface of LC-MS in quantitative analysisA. K. Hewavitharana; P. N. Shaw · 2005