A fast and sensitive high-performance liquid chromatography (HPLC) method with ultraviolet
(UV) detection was developed and validated for the simultaneous quantitation of five …

A sensitive and simple microextraction approach was developed and validated to
simultaneously determine three antiarrhythmic drugs, propranolol, diltiazem, and verapamil …

Verapamil is a common calcium antagonist described with antianginal, antihypertensive and
antiarrythmic properties. The metabolites of verapamil have also shown pharmacological …

Background: A simple, precise and sensitive HPLC method has been developed for
simultaneous determination of carvedilol and losartan in human plasma and urine samples …

A novel method was developed for the analysis of four β-blockers, namely sotalol, carteolol,
bisoprolol, and propranolol, in human urine by coupling carrier-mediated liquid phase …

Monitoring of plasma concentrations of antiarrhythmic drugs may assist in individualizing
dosage regimens and in assessing patient compliance. A rapid high-performance liquid …

A simple, rapid and efficient method, dispersive liquid–liquid microextraction has been
developed for the extraction and preconcentration of carbamazepine in biological samples …

In this study, an effective method of ultrasound-assisted ionic liquid based dispersive liquid–
liquid microextraction (UA− IL− DLLME) coupled with HPLC was applied for extraction and …

In this research work, an efficient tandem dispersive liquid-liquid microextraction (TDLLME)
procedure coupled with high performance liquid chromatography-ultraviolet detection …

The present work is based on a one-step method including derivatization and solid-based
disperser liquid–liquid microextraction followed by gas chromatography-flame ionization …