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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 21-40 of 54 (Search time: 0.006 seconds).

Issue DateTitleAuthor(s)
212005Hydrophilic interaction liquid chromatography with tandem mass spectrometry for the determination of underivatized dencichine (β-N-oxalyl-L-α, β-diaminopropionic acid) in Panax medicinal plant speciesKoh, H.-L. ; Lau, A.-J. ; Chan, E.C.-Y.
21-Nov-2011Identification of a new sildenafil analogue in a health supplementGe, X.; Li, L.; Koh, H.-L. ; Low, M.-Y.
3Jan-2012Identification of active compounds from medicinal plant extracts using gas chromatography-mass spectrometry and multivariate data analysisChing, J.; Soh, W.-L.; Tan, C.-H.; Lee, J.-F.; Tan, J.-Y.C.; Yang, J.; Yap, C.-W. ; Koh, H.-L. 
49-Jun-2008Identification of benzamidenafil, a new class of phosphodiesterase-5 inhibitor, as an adulterant in a dietary supplementZou, P.; Hou, P.; Oh, S.S.-Y.; Ge, X.; Bloodworth, B.C.; Low, M.-Y.; Koh, H.-L. 
52019Identification of Phytoconstituents in Leea indica (Burm. F.) Merr. Leaves by high performance liquid chromatography micro time-of-flight mass spectrometrySingh, D. ; Siew, Y.-Y. ; Chong, T.-I.; Yew, H.-C. ; Ho, S.S.-W.; Lim, C.S.E.-S.; Tan, W.-X.; Neo, S.-Y. ; Koh, H.-L. 
6Nov-2012Isolation and characterization of propoxyphenyl linked sildenafil and thiosildenafil analogues in health supplementsKee, C.-L.; Ge, X.; Koh, H.-L. ; Low, M.-Y.
72009Isolation and identification of hydroxythiohomosildenafil in herbal dietary supplements sold as sexual performance enhancement productsLi, L.; Low, M.-Y.; Aliwarga, F.; Teo, J.; Ge, X.-W.; Zeng, Y.; Bloodworth, B.C.; Koh, H.-L. 
89-Jun-2008Isolation and identification of thiohomosildenafil and thiosildenafil in health supplementsZou, P.; Hou, P.; Oh, S.S.-Y.; Chong, Y.M.; Bloodworth, B.C.; Low, M.-Y.; Koh, H.-L. 
92013Isolation and structural elucidation of a new sildenafil analogue from a functional coffeeLi, L.; Low, M.-Y.; Ge, X.; Bloodworth, B.C.; Koh, H.-L. 
105-Dec-2009Isolation and structural elucidation of dapoxetine as an adulterant in a health supplement used for sexual performance enhancementLi, L.; Low, M.-Y.; Ge, X.; Bloodworth, B.C.; Koh, H.-L. 
115-Jan-2012Isolation and structural elucidation of flibanserin as an adulterant in a health supplement used for female sexual performance enhancementLow, M.-Y.; Li, L.; Ge, X.; Kee, C.-L.; Koh, H.-L. 
122007Letter: Liquid chromatography ion-trap time-of-flight mass spectrometric study on the fragmentation of an acetildenafil analogueZou, P.; Oh, S.S.-Y.; Kiang, K.-H.; Low, M.-Y.; Koh, H.-L. 
131994Molecular geometry and physicochemical characteristics of selected anilinoquinolines, indolo[3,2-c]quinolines and tetrahydroindolo[3,2- d]benzazepinesKoh, H.-L. ; Go, M.-L. ; Ngiam, T.-L. 
14Feb-2003Pharmacists' patterns of use, knowledge, and attitudes toward complementary and alternative medicineKoh, H.-L. ; Teo, H.-H.; Ng, H.-L.
152020Professionalism in traditional Chinese medicine (TCM) practitioners: a qualitative studyKwan, Y.H.; Chooi, S.; Yoon, S.; Ang, X.L.; Phang, J.K.; Koh, H.L. ; Thumboo, J. ; Ng, S.C. ; Fong, W. 
16Nov-2012Quantification of ginsenosides Rh4 and Rk3 in rat plasma by liquid chromatography-tandem mass spectrometry: Application to a pre-clinical pharmacokinetic studyPatel, D.N.; Lin, H.-S. ; Koh, H.-L. 
17May-2011Quantification of α- And β-amyrin in rat plasma by gas chromatography-mass spectrometry: Application to preclinical pharmacokinetic studyChing, J.; Lin, H.-S. ; Tan, C.-H.; Koh, H.-L. 
182018Retrospective study of reported adverse events due to complementary health products in Singapore from 2010 to 2016Xu, Y; Patel, D.N ; Ng, S.-L.P; Tan, S.-H; Toh, D; Poh, J; Lim, A.T; Chan, C.-L ; Low, M.-Y; Koh, H.-L 
192009Safety and quality assessment of 175 illegal sexual enhancement products seized in red-light districts in SingaporeLow, M.-Y.; Zeng, Y.; Li, L.; Ge, X.-W.; Lee, R.; Bloodworth, B.-C.; Koh, H.-L. 
203-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.