Kwok Keung Tsang

Kwok Tsang

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Kwok Yin Tsang

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Work:

NITTO DENKO TECHNICAL CORPORATION

2009 to 2000
Associate Director NURX PHARMACEUTICAL
Irvine, CA
2008 to 2009
Principal Research Scientist SPECTRUM PHARMACEUTICAL
Irvine, CA
2007 to 2008
Chemical Process Development Manager/Senior Research Scientist VITAE PHARMACEUTICAL
Irvine, CA
2004 to 2006
Senior Research Scientist ALLERGAN INC
Irvine, CA
1997 to 2004
Principal Research Scientist / Retinoid Research MASSACHUSETTS INSTITUTE OF TECHNOLOGY
Cambridge, MA
1995 to 1997
Postdoctoral Associate / Chemistry Department TEXASA&MUNIVERSITY
College Station, TX
1990 to 1994
Graduate Research Assistant / Chemistry Department TEXASA&MUNIVERSITY

1990 to 1994
Teaching Assistant / Chemistry Department Kwok Yin
Hong Kong, Hong Kong Island
1989 to 1990
Research Assistant / Chemistry Department

Education:

Texas A&M University
College Station, TX
1990 to 1994
PhD in Chemistry Hong Kong Baptist College
Hong, MO
1986 to 1989
BS in Chemistry

Skills:

- Experience in the multiple-step synthesis of small organic compounds and polymerization using various modern synthetic techniques - Experience in structure-based molecular modeling - Experience in oligonucleotide synthesis - Experience in the parallel synthesis of peptides utilizing various solid phase methodologies; HF cleavage of peptides; peptide purification and identification by HPLC, amino acid analysis and mass spectrometry (MALDI and Plasma Desorption mass spectrometry); structural analysis and characterization employing UV-Vis spectroscopy, circular dichroism, FTIR and NMR spectroscopy - Experience in oral, ready-to-use, lyo cake and topical formulation development - Experience in managing/coordinating chemical process development, cGMP synthesis of API and drug products and their stability study in CROs and CMOs - Experience in separation, purification as well as structure elucidation of trace impurities derived from the API process chemistry - Experience in developing and executing analytical methods for active pharmaceutical ingredients (API) analysis in various formulations, blood samples and skin biopsies - Knowledge of and experience in the techniques involved in peptide and protein crystallization as well as various chromatography techniques including GC,GPC-MALLS, DLS,LC-MS, HPLC, ion-exchange chromatography and size-exclusion chromatography - Experience in interacting with patent attorneys for various patent issues in US and foreign countries. Broad experience in NCE patent preparation and prosecution - Experience in the use of various word processing, drawing, image-editing, page-layout and graphing programs on a variety of platforms including MAC, PC, Sun, and Silicon Graphics