ISSN: 2642-4266
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Research Article Pages 195-198
Abstract: In fluoroquinolone antibiotic group ciprofloxacin antibiotic is used for the treatment of human and animal infection because of their wide antibacterial spectrum. The rampant and extralable use of these antibiotics could lead to contamination of environment. This study describes a simple salting-out liquid–liquid extraction technique for simultaneously detection of ciprofloxacin residue in 13drinking water samples from two hospitals (Alacademy & Eltamouz). The high-performance liquid chromatographic ultra violet visible detection (HPLC-UV) containing C18 X-bridge analytical column was used for the determination of this antibiotic in water samples.
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Research Article Pages 181-194
Abstract: Polychlorinated dibenzo-p-dioxins, dibenzofurans and dioxin-like polychlorinated biphenyls are persistent organic pollutants (POPs), which in the recent years received huge attention due to their extreme stability, high potential toxicity and bioaccumulation in food chains. Main source of human exposure to these compounds is discovered in foods of animal origin, especially foods rich of fat. The target of the present study was to set up an analytical method for the determination of PCDDs/PCDFs and DL-PCB in vegetable oils, sunflower meals, sunflower seeds, rapeseeds and milk powder. The first step consisted of a semi-automatic Soxhlet extraction for 3 hours, by using a mixture of Hexane:Acetone - 80:20, followed by acid digestion with 55% acid silica, and filtration.
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