Simultaneous 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 spectrometry

Peng Zou, Sharon Sze‐Yin Oh, Peiling Hou, +2

Journal of Chromatography A

Dietary SupplementsPharmaceutical ScienceSynthetic Phosphodiesterase-5 InhibitorsBiochemistryMedicine +10

Adverse events associated with the use of complementary medicine and health supplements: An analysis of reports in the Singapore Pharmacovigilance database from 1998 to 2009

Dhavalkumar Narendrabhai Patel, Wai-Ling Low, L L Tan, +5

Clinical Toxicology

Isolation and identification of thiohomosildenafil and thiosildenafil in health supplements

Peng Zou, Peiling Hou, Sharon Sze‐Yin Oh, +4

Journal of Pharmaceutical and Biomedical Analysis

Molecular PharmacologyMedicinal ChemistryMedicineHealth SupplementsPharmacotherapy +2

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

Peng Zou, Peiling Hou, Min‐Yong Low, +1

Food Additives & Contaminants

Erectile DysfunctionPharmacotherapyPharmaceutical ChemistryMedicinal ChemistryPhytopharmacology +15

Safety and Quality Assessment of 175 Illegal Sexual Enhancement Products Seized in Red-Light Districts in Singapore

Min‐Yong Low, Yun Zeng, Lin Li, +4

Drug Safety

Sexual HealthSexual CrimeSexual OffendingCommercial SexSexual Abuse +4

Structural identification of a new acetildenafil analogue from pre-mixed bulk powder intended as a dietary supplement

Peiling Hou, Peng Zou, Min‐Yong Low, +2

Food Additives & Contaminants

Medicinal ChemistryUrologyAndrologyPre-mixed Bulk PowderBiochemistry +13

Rapid determination of sildenafil and its analogues in dietary supplements using gas chromatography–triple quadrupole mass spectrometry

SaraH Mokhtar, Sung‐Tong Chin, Chee‐Leong Kee, +3

Journal of Pharmaceutical and Biomedical Analysis

Dietary SupplementsPharmaceutical ScienceRapid DeterminationGas ChromatographyMedicine +5

Analysis of 40 weight loss compounds adulterated in health supplements by liquid chromatography quadrupole linear ion trap mass spectrometry

Yun Zeng, Yimin Xu, Chee‐Leong Kee, +2

Drug Testing and Analysis

Product IonBiological Mass SpectrometryMetabolomic ProfilingHealth SupplementsWeight Loss Compounds +17

Detection of Sildenafil Analogues in Herbal Products for Erectile Dysfunction

Sharon Sze‐Yin Oh, Peng Zou, Min‐Yong Low, +1

Journal of Toxicology and Environmental Health

Medicinal ChemistryUrologySuch AnaloguesPharmaceutical ScienceErectile Dysfunction +10

Identification of benzamidenafil, a new class of phosphodiesterase-5 inhibitor, as an adulterant in a dietary supplement

Peng Zou, Peiling Hou, Sharon Sze‐Yin Oh, +4

Journal of Pharmaceutical and Biomedical Analysis

Medicinal ChemistryDietary SupplementPharmaceutical ScienceBiochemistryMedicine +8