High-performance liquid chromatography has replaced several spectroscopic methods and gas in the quantitative qualitative analysis of medications pre-sale procedure testing done past ten years. This is as part marketing drugs their control. During early stages its application, high-performance (HPLC) was expected to be a that would supplement chromatography; nevertheless, today, HPLC almost ent...

In this study, an easy, fast, sensitive and accurate technique has been described for extraction and quantitative analysis of fluoxetine and propafenone using off-line coupling of ionic liquid–based dispersive liquid–liquid micro-extraction with high performance liquid chromatography. The effective extraction variables including: the ionic liquid volume, the type and volume of dispersive solven...

Contamination of food producing animals by veterinary drug residues, particularly quinolones, is an essential issue in food safety that causes increasing concern in consumers. The aim of this study was to investigate the occurrence of enrofloxacin and its main metabolite, ciprofloxacin, in chicken tissue samples slaughtered in Tabriz, Iran. Totally 250 samples including liver, muscle, gizzard, ...