A novel ultra-performance liquid chromatography coupled to tandem mass spectrometry (UPLC-MS/MS) method was developed to detect the illegal additive of phosphodiesterase type 5 (PDE-5) inhibitors in dietary supplements. With the optimized chromatographic program, vardenafil, sild...
Open access
Research Article10.9734/ajacr/2023/v14i4274
A novel and simple hyphenated method was applied for the screening of alkaloids in S. flavescens. The approach combined easy sample extraction with an ultra-high-performance liquid chromatography (UPLC) and a high-resolution mass spectrometry (HRMS) in the data-dependent acquisit...
Open access
Research Article10.9734/jpri/2023/v35i317465
A comprehensive method was developed for determination of tetracycline, oxytetracycline, chlortetracycline, and doxycycline in wastewater. Based on ultra-high performance liquid chromatography coupled with mass spectrometry (UHPLC–MS), the developed method was specific, sensitive...
Open access
Research Article10.9734/jpri/2023/v35i277441
Background: Phenolic compounds in Nicotiana tabacum L. have anti-tumor, antibacterial, anti-inflammatory, and other pharmacological effects. Therefore, either to optimize the utilization of plant resources or to reduce the physiological harm caused by cigarette, it is necessary t...
Open access
Research Article10.9734/jpri/2023/v35i197399