Kwokei Ng

Direct analysis of drug candidates in tissue by matrix‐assisted laser desorption/ionization mass spectrometry

Michelle L. Reyzer, Yunsheng Hsieh, Kwokei Ng et al. · Journal of Mass Spectrometry · 2003 · 360 citations

Investigation of matrix effects in bioanalytical high‐performance liquid chromatography/tandem mass spectrometric assays: application to drug discovery

Mei Hong, Yunsheng Hsieh, Cymbylene Nardo et al. · Rapid Communications in Mass Spectrometry · 2002 · 343 citations

Biological Mass Spectrometry, Apci Mode, Bioanalysis +16

Cassette‐accelerated rapid rat screen: a systematic procedure for the dosing and liquid chromatography/atmospheric pressure ionization tandem mass spectrometric analysis of new chemical entities as part of new drug discovery

Walter A. Korfmacher, Kathleen Cox, Kwokei Ng et al. · Rapid Communications in Mass Spectrometry · 2001 · 151 citations

Quantitative screening and matrix effect studies of drug discovery compounds in monkey plasma using fast‐gradient liquid chromatography/tandem mass spectrometry

Yunsheng Hsieh, Madhu Chintala, Mei Hong et al. · Rapid Communications in Mass Spectrometry · 2001 · 135 citations

Hplc System, Gas Chromatography, Bioanalysis +17

Potent, selective, and orally active adenosine A2A receptor antagonists: Arylpiperazine derivatives of pyrazolo[4,3-e]-1,2,4-triazolo[1,5-c]pyrimidines

Bernard R. Neustadt, Jinsong Hao, Neil Lindo et al. · Bioorganic & Medicinal Chemistry Letters · 2006 · 135 citations · Full text

Medicine, Mechanism Of Action, Pharmacological Agent +4