Determination of indican, isatin, indirubin and indigotin in Isatis indigotica by liquid chromatography/electrospray ionization tandem mass spectrometry

由 Zou, P., Koh, H.L.
出版 2014

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

由 Koh, H.-L., Woo, S.-O.
出版 2014

Medicinal plants as potential sources of lead compounds with anti-platelet and anti-coagulant activities

由 Chua, T.K., Koh, H.L.
出版 2014

Chinese proprietary medicine: Classifications and information provided

由 Koh, H.L., Liu, S.Y.
出版 2014

A review of botanical characteristics, traditional usage, chemical components, pharmacological activities, and safety of Pereskia bleo (Kunth) DC

由 Zareisedehizadeh S., Tan C.-H., Koh H.-L.
出版 2018

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

由 Liu, S.-Y., Woo, S.-O., Koh, H.-L.
出版 2014

Chemical fingerprinting of Isatis indigotica root by RP-HPLC and hierarchical clustering analysis

由 Zou, P., Hong, Y., Koh, H.L.
出版 2014

Biomedical applications of accelerator mass spectrometry

由 Cheah, E.L.-C., Koh, H.-L.
出版 2014

Research progress and thought on processing of Panax notoginseng

由 Chen, B., Koh, H.-L., Jia, X.-B.
出版 2014

Molecular geometry and physicochemical characteristics of selected anilinoquinolines, indolo[3,2-c]quinolines and tetrahydroindolo[3,2- d]benzazepines

由 Koh, H.-L., Go, M.-L., Ngiam, T.-L.
出版 2014

A high performance liquid chromatography method for the simultaneous determination of arctiin, chlorogenic acid and glycyrrhizin in a Chinese proprietary medicine

由 Yuan, X., Koh, H.-L., Chui, W.-K.
出版 2014

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

由 Lau, A.-J., Woo, S.-O., Koh, H.-L.
出版 2014

Quantification of ginsenosides Rh4 and Rk3 in rat plasma by liquid chromatography-tandem mass spectrometry: Application to a pre-clinical pharmacokinetic study

由 Patel, D.N., Lin, H.-S., Koh, H.-L.
出版 2014

Pharmacists' patterns of use, knowledge, and attitudes toward complementary and alternative medicine

由 Koh, H.-L., Teo, H.-H., Ng, H.-L.
出版 2014

The quality control and pharmaceutical analysis of nonvolatile and volatile bioactive compounds in Chinese herbal medicine by HPLC and GC

由 Yuan, X., Hu, M., Koh, H.L., Chui, W.K.
出版 2014

Hydrophilic interaction liquid chromatography with tandem mass spectrometry for the determination of underivatized dencichine (β-N-oxalyl-L-α, β-diaminopropionic acid) in Panax med...

由 Koh, H.-L., Lau, A.-J., Chan, E.C.-Y.
出版 2014

Structural elucidation of a tadalafil analogue found as an adulterant of a herbal product

由 Zou, P., Hou, P., Low, M.-Y., Koh, H.-L.
出版 2014

Quantification of α- And β-amyrin in rat plasma by gas chromatography-mass spectrometry: Application to preclinical pharmacokinetic study

由 Ching, J., Lin, H.-S., Tan, C.-H., Koh, H.-L.
出版 2014

Identification of a new sildenafil analogue in a health supplement

由 Ge, X., Li, L., Koh, H.-L., Low, M.-Y.
出版 2014

Current trends in modern pharmaceutical analysis for drug discovery

由 Koh, H.-L., Yau, W.-P., Ong, P.-S., Hegde, A.
出版 2014