Journal of pharmaceutical and biomedical analysis
Dec 15, 2018
In vitro incubation of rat liver microsomes with 30 μL of 100 μmol·L dapoxetine and 30 μL of 10, 100, 250, 500, 1000, 2500, or 5000 μg·mL Wuziyanzong pill was performed at 37 °C for 60 min. Dapoxetine concentration was analyzed by high performance li...
Journal of pharmaceutical and biomedical analysis
Jul 8, 2018
Quality control (QC) is crucial for ensuring the safety and effectiveness of traditional Chinese medicines (TCMs). Due to extremely complicated phytochemical matrices and characteristic mode of "multi-component, multi-target, integrated adjustment", ...
Journal of pharmaceutical and biomedical analysis
Jun 4, 2018
The present work describes the development of an efficient, fast and accurate method for the quantification of polymer-based cocrystal formulations. Specifically, the content of carbamazepine-nicotinamide (CBZ/NIC) and ibuprofen-nicotinamide (IBU/NIC...
Journal of pharmaceutical and biomedical analysis
Dec 30, 2017
A specific and sensitive method was firstly developed using high performance liquid chromatography coupled with tandem mass spectrometry (HPLC-MS/MS) to simultaneously quantify TPN729 and its metabolites (TPN729-D1, TPN729-D2, TPN729M15-3 and TPN729M...
Journal of pharmaceutical and biomedical analysis
Dec 28, 2017
As an orally active iron chelator, deferasirox forms its ion complexes in the prepared plasma samples and LC-MS mobile phase where ferric ion exists, and then comparing with the nominal concentration level, a lower detected concentration level of def...
Journal of pharmaceutical and biomedical analysis
Dec 27, 2017
Alpinetin, a bioactive flavonoid, has attracted great attention due to its diverse therapeutic effects, namely anti-oxidant, anti-tumor and anti-inflammatory effects with low systemic toxicity. Various determination methods have been developed in qua...
Journal of pharmaceutical and biomedical analysis
Dec 26, 2017
In microdose clinical trials a maximum of 100 μg of drug substance is administered to participants, in order to determine the pharmacokinetic properties of the agents. Measuring low plasma concentrations after administration of a microdose is challen...
Journal of pharmaceutical and biomedical analysis
Dec 25, 2017
A rapid, sensitive and reproducible method using ultra-high-performance liquid chromatography coupled with electrospray ionization hybrid triple quadrupole-linear ion trap mass spectrometry (UHPLC-ESI-QqQ-MS/MS) in multiple reaction monitoring (MRM) ...
Journal of pharmaceutical and biomedical analysis
Dec 24, 2017
Combination therapy with anti-filarial drugs is now widely used for treatment of lymphatic filariasis. A rapid, selective, and sensitive liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS) method was developed and validated for sim...
Journal of pharmaceutical and biomedical analysis
Dec 24, 2017
An analytical method that utilizes isotope-dilution ultrahigh-performance liquid chromatography coupled with hybrid quadrupole time-of-flight mass spectrometry (UHPLC-QTOF-MS or called UHPLC-HRMS) was developed, and validated to be highly precise and...