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Hwee Ling Koh

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Full Name
Hwee Ling Koh
Variants
Koh, H.-L.
Ling, K.H.
Koh, H.L.
Hwee, L.K.
Koh, H.
Hwee Ling Koh
 
Main Affiliation
 
Faculty
 
Email
phakohhl@nus.edu.sg
 

Publications

Results 41-54 of 54 (Search time: 0.005 seconds).

Issue DateTitleAuthor(s)
413-Feb-2006Simultaneous determination of synthetic phosphodiesterase-5 inhibitors found in a dietary supplement and pre-mixed bulk powders for dietary supplements using high-performance liquid chromatography with diode array detection and liquid chromatography-electrospray ionization tandem mass spectrometryZou, P.; Oh, S.S.-Y.; Hou, P.; Low, M.-Y.; Koh, H.-L. 
423-Feb-2006Simultaneous determination of synthetic phosphodiesterase-5 inhibitors found in a dietary supplement and pre-mixed bulk powders for dietary supplements using high-performance liquid chromatography with diode array detection and liquid chromatography-electrospray ionization tandem mass spectrometryZou, P.; Oh, S.S.-Y.; Hou, P.; Low, M.-Y.; Koh, H.-L. 
315-Oct-2006St. John's wort attenuates irinotecan-induced diarrhea via down-regulation of intestinal pro-inflammatory cytokines and inhibition of intestinal epithelial apoptosisHu, Z.-P.; Yang, X.-X.; Chan, S.Y. ; Xu, A.-L.; Duan, W.; Zhu, Y.-Z.; Sheu, F.-S. ; Boelsterli, U.A.; Chan, E. ; Zhang, Q.; Wang, J.-C.; Ee, P.L.R. ; Koh, H.L. ; Huang, M.; Zhou, S.-F. 
430-Jun-2013Structural elucidation of a new sildenafil analogue using high-resolution Orbitrap mass spectrometryKee, C.-L.; Ge, X.; Low, M.-Y.; Koh, H.-L. 
51-Dec-2008Structural elucidation of a PDE-5 inhibitor detected as an adulterant in a health supplementGe, X.; Low, M.-Y.; Zou, P.; Lin, L.; Yin, S.O.S.; Bloodworth, B.C.; Koh, H.-L. 
6May-2006Structural elucidation of a tadalafil analogue found as an adulterant of a herbal productZou, P.; Hou, P.; Low, M.-Y.; Koh, H.-L. 
7Sep-2006Structural identification of a new acetildenafil analogue from pre-mixed bulk powder intended as a dietary supplementHou, P.; Zou, P.; Low, M.-Y.; Chan, E. ; Koh, H.-L. 
8Jun-1992Synthesis and in vitro antimalarial activity of some indolo[3,2-c]quinolinesGo, M. ; Koh, H. ; Ngiam, T. ; Phillipson, J.; Kirby, G.; O'Neill, M.; Warhurs, D.
92009The analysis of heavy metals in Chinese herbal medicine by flow injection-mercury hydride system and graphite furnace atomic absorption spectrometryYuan, X.; Ling, K.H. ; Keung, C.W. 
10May-2011The quality control and pharmaceutical analysis of nonvolatile and volatile bioactive compounds in Chinese herbal medicine by HPLC and GCYuan, X.; Hu, M.; Koh, H.L. ; Chui, W.K. 
112019Traditional Chinese medicine (TCM) collaborative care for patients with axial spondyloarthritis (AcuSpA): Protocol for a pragmatic randomized controlled trialKwan, Y.H.; Fong, W. ; Ang, X.L.; Tan, C.S. ; Tai, B.C. ; Huang, Y.; Bilger, M. ; Phang, J.K.; Tan, H.C.; Lee, J.V.; Sun, L.; Tan, C.T.; Dong, B.Q.; Koh, H.L. ; Leung, Y.Y. ; Lui, N.L.; Yeo, S.I. ; Ng, S.C. ; Fong, K.Y.; Thumboo, J. ; Østbye, T. 
121-May-2010Ultra-high performance liquid chromatography/time-of-flight mass spectrometry (UHPLC/TOFMS) for time-dependent profiling of raw and steamed Panax notoginsengToh, D.-F. ; New, L.-S. ; Koh, H.-L. ; Chan, E.C.-Y. 
132007Ultra-performance liquid chromatography/time-of-flight mass spectrometry based metabolomics of raw and steamed Panax notoginsengChan, E.C.Y. ; Yap, S.-L.; Lau, A.-J. ; Leow, P.-C.; Toh, D.-F. ; Koh, H.-L. 
14Mar-2010β-amyrin from Ardisia elliptica Thunb. Is more potent than aspirin in inhibiting collagen-induced platelet aggregationChing, J.; Chua, T.-K.; Chin, L.-C.; Lau, A.-J. ; Pang, Y.-K.; Jaya, J.M.; Tan, C.-H.; Koh, H.-L.