Browsing by Author KOH HWEE LING

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Issue DateTitleAuthor(s)
15-Sep-2005A high performance liquid chromatography method for the simultaneous determination of arctiin, chlorogenic acid and glycyrrhizin in a Chinese proprietary medicineYuan, X.; Koh, H.-L. ; Chui, W.-K. 
1-Jun-2006A preliminary ecotoxicity study of pharmaceuticals in the marine environmentChoong, A.M.F. ; Teo, S.L.-M. ; Leow, J.L.; Koh, H.L. ; Ho, P.C.L. 
2014A review of botanical characteristics, traditional usage, chemical components, pharmacological activities, and safety of Pereskia bleo (Kunth) DCZareisedehizadeh S.; Tan C.-H. ; Koh H.-L. 
Jul-2012Adverse events associated with the use of complementary medicine and health supplements: An analysis of reports in the Singapore Pharmacovigilance database from 1998 to 2009Patel, D.N.; Low, W.-L.; Tan, L.L.; Tan, M.-M.B.; Zhang, Q.; Low, M.-Y.; Chan, C.-L.; Koh, H.-L. 
26-Feb-2003Analysis of adulterants in a traditional herbal medicinal product using liquid chromatography-mass spectrometry-mass spectrometryLau, A.-J. ; Holmes, M.J. ; Woo, S.-O.; Koh, H.-L. 
5-Sep-2003Analysis of saponins in raw and steamed Panax notoginseng using high-performance liquid chromatography with diode array detectionLau, A.-J. ; Woo, S.-O.; Koh, H.-L. 
24-Jan-2011Anti-proliferative effects of raw and steamed extracts of Panax notoginseng and its ginsenoside constituents on human liver cancer cellsToh, D.-F. ; Patel, D.N.; Chan, E.C. ; Teo, A.; Neo, S.-Y.; Koh, H.-L. 
25-Sep-2009Antiplatelet and anticoagulant effects of Panax notoginseng: Comparison of raw and steamed Panax notoginseng with Panax ginseng and Panax quinquefoliumLau, A.-J. ; Toh, D.-F. ; Chua, T.-K.; Pang, Y.-K.; Woo, S.-O.; Koh, H.-L. 
Sep-2008Biodiversity in cultivated Panax notoginseng populationsWang, D.; Hong, D.; Koh, H.-L. ; Zhang, Y.-J.; Yang, C.-R.; Hong, Y.
Apr-2008Biomedical applications of accelerator mass spectrometryCheah, E.L.-C. ; Koh, H.-L. 
2013Chemical and morphological variations of Panax notoginseng and their relationshipWang, D.; Koh, H.-L. ; Hong, Y.; Zhu, H.-T.; Xu, M.; Zhang, Y.-J.; Yang, C.-R.
1-Jul-2005Chemical fingerprinting of Isatis indigotica root by RP-HPLC and hierarchical clustering analysisZou, P.; Hong, Y.; Koh, H.L. 
2000Chinese proprietary medicine in Singapore: Regulatory control of toxic heavy metals and undeclared drugsKoh, H.-L. ; Woo, S.-O.
Sep-1998Chinese proprietary medicine: Classifications and information providedKoh, H.L. ; Liu, S.Y.
1994Conformational and structural features determining in vitro antimalarial activity in some indolo[3,2-c]quinolines, anilinoquinolines and tetrahydroindolo[3,2-d]benzazepinesKoh, H. ; Go, M. ; Ngiam, T. ; Mak, J.
1-Oct-2003Current trends in modern pharmaceutical analysis for drug discoveryKoh, H.-L. ; Yau, W.-P. ; Ong, P.-S. ; Hegde, A.
24-Feb-2006Detection of aristolochic acid I, tetrandrine and fangchinoline in medicinal plants by high performance liquid chromatography and liquid chromatography/mass spectrometryKoh, H.L. ; Wang, H.; Zhou, S. ; Chan, E. ; Woo, S.O.
1-Jun-2006Detection of sildenafil analogues in herbal products for erectile dysfunctionOh, S.S.-Y.; Zou, P.; Low, M.-Y.; Koh, H.-L. 
2002Determination of ginsenosides in medicinal plants and health supplements by pressurized liquid extraction (PLE) with reversed phase high performance liquid chromatographyLee, H.K.; Koh, H.L. ; Ong, E.S.; Woo, S.O.
2007Determination of indican, isatin, indirubin and indigotin in Isatis indigotica by liquid chromatography/electrospray ionization tandem mass spectrometryZou, P.; Koh, H.L.