Chinese proprietary medicine in Singapore: Regulatory control of toxic heavy metals and undeclared drugs

by Koh, H.-L., Woo, S.-O.
Published 2014

HPLC and GC-MS screening of Chinese proprietary medicine for undeclared therapeutic substances

by Liu, S.-Y., Woo, S.-O., Koh, H.-L.
Published 2014

Analysis of saponins in raw and steamed Panax notoginseng using high-performance liquid chromatography with diode array detection

by Lau, A.-J., Woo, S.-O., Koh, H.-L.
Published 2014

Determination of ginsenosides in medicinal plants and health supplements by pressurized liquid extraction (PLE) with reversed phase high performance liquid chromatography

by Lee, H.K., Koh, H.L., Ong, E.S., Woo, S.O.
Published 2014

LC and LC-MS-MS analyses of undeclared codeine in antiasthmatic Chinese proprietary medicine

by Liu, S.Y., Woo, S.-O., Holmes, M.J., Koh, H.-L.
Published 2014

Detection of aristolochic acid I, tetrandrine and fangchinoline in medicinal plants by high performance liquid chromatography and liquid chromatography/mass spectrometry

by Koh, H.L., Wang, H., Zhou, S., Chan, E., Woo, S.O.
Published 2014

Analysis of adulterants in a traditional herbal medicinal product using liquid chromatography-mass spectrometry-mass spectrometry

by Lau, A.-J., Holmes, M.J., Woo, S.-O., Koh, H.-L.
Published 2014

High-performance liquid chromatographic method with quantitative comparisons of whole chromatograms of raw and steamed Panax notoginseng

by Lau, A.-J., Seo, B.-H., Woo, S.-O., Koh, H.-L.
Published 2014

Antiplatelet and anticoagulant effects of Panax notoginseng: Comparison of raw and steamed Panax notoginseng with Panax ginseng and Panax quinquefolium

by Lau, A.-J., Toh, D.-F., Chua, T.-K., Pang, Y.-K., Woo, S.-O., Koh, H.-L.
Published 2014