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A simple and sensitive LC-ESI-MS method for determination of norvancomycin in plasma was developed and validated over the concentration range of 20-2,000 ng/mL. After addition of vancomycin as internal standard (IS), p...

Rhizoma Paridis saponins (RPS) were considered to be the principal bioactive components of Paris polyphylla Smith var. yunnanensis. Intestinal microflora-mediated metabolism may affect their pharmacological activities in...

A selective and sensitive liquid chromatography-tandem mass spectrometry method was developed and validated for quantitation of bupropion hydrochloride in rat plasma using triazolam as an internal standard. Chromatograph...

A highly sensitive liquid chromatographic tandem mass spectrometric (LC-MS/MS) method for determination of dextromethorphan in rabbit plasma using triazolam as the internal standard (IS) was developed. Plasma samples wer...

A sensitive and selective liquid chromatography tandem mass spectrometry (LC-MS/MS) method for determination of diphenhydramine hydrochloride in rabbit plasma was developed and validated. After addition of triazolam as i...

A sensitive and selective liquid chromatography-mass spectrometry (LC–MS) method for determination of esomeprazole in rabbit plasma was developed and validated. After addition of midazolam as internal standard (IS), pr...

A sensitive and selective liquid chromatography/electrospray mass spectrometry (LC-ESIMS) method for determination of gemcitabine in rabbit plasma was developed. Chromatographic separation was achieved on a Restek Allure...

A sensitive and selective liquid chromatography-mass spectrometry (LC-MS) method for determination of ibudilast in rabbit plasma was developed and validated. After addition of estazolam as internal standard (IS), protein...

A sensitive and simple liquid chromatography/electrospray mass spectrometry (LC-ESI-MS) method for determination of ketamine in rabbit plasma using one-step protein precipitation was developed and validated. After additi...

A sensitive and selective liquid chromatography tandem mass spectrometry (LC–MS/MS) method for determination of meropenem in rabbit plasma was developed. After addition of triazolam as internal standard (IS), protein p...

A sensitive and simple liquid chromatography/electrospray mass spectrometry (LC-ESI-MS) method for determination of ramosetron in rat plasma using one-step protein precipitation was developed and validated. After additio...

A sensitive and selective liquid chromatography-mass spectrometry (LC-MS) method for determination of sulpiride in rabbit plasma was developed and validated. The analyte and internal standard (IS) were extracted from pla...

A sensitive and selective liquid chromatography/electrospray mass spectrometry (LC-ESIMS) method for determination of tetramethylpyrazine in rat plasma was developed. After addition of phenacetin as internal standard, ...

A sensitive and selective liquid chromatography-tandem mass spectrometry method (LC-MS/MS) for the determination of tolbutamide in rabbit plasma was developed and validated over the concentration range of 4-1000 ng mL-...

A sensitive and selective liquid chromatography/electrospray mass spectrometry (LC-ESIMS) method for determination of troxerutin in rabbit plasma was developed. After addition of paeoniflorin as internal standard (IS), p...

A sensitive and simple liquid chromatography/electrospray mass spectrometry (LC-ESI-MS) method for determination of dapoxetine in rat plasma using one-step protein precipitation was developed and validated. After additio...

A sensitive and simple liquid chromatography/electrospray mass spectrometry (LC-ESI-MS) method for determination of tramadol in rat plasma using one-step protein precipitation was developed. After addition of ketamine as...

A high performance liquid chromatography photo diode array UV detection electrospray ionization tandem mass spectrometry (HPLC-PDA-ESI/MSn) method was developed and validated for the quality evaluation of gamboge (dryed ...

A sensitive and simple liquid chromatography/electrospray mass spectrometry (LC-ESI-MS) method for determination of torsemide in rabbit plasma using one-step protein precipitation was developed and validated. After addit...

This paper describes a rapid (2.0 min) and sensitive (LLOQ 5 ng/mL) analytical method for the quantitation of hydrochlorothiazide (HCTZ) in human plasma. The method is based on High-performance Liquid chromatography-tand...

A simple and sensitive liquid chromatography tandem mass spectrometry (LC-MS/MS) method was established and validated for the determination of prodrug of ginkgolide B (PGB) and its metabolite, ginkgolide B (GB) in rat pl...

A LC-MS method was developed and validated for simultaneous determination of 6, 7-di-hydroxyligustilide and gastrodin in rat plasma, and which was subsequently applied in the pharmacokinetic analysis of an administration...