Y0000819

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Determination of fluoroquinolones in chicken feces - a new liquid-liquid extraction method combined with LC-MS/MS.

Franziska Janusch et al.

Environmental toxicology and pharmacology, 38(3), 792-799 (2014-10-13)

The application of antibiotics including fluoroquinolones to farming animals is widespread and may lead to the development of antibiotic resistance and other environmental effects. To calculate environmental loads and for a proper risk assessment it is necessary to determine the

Estimating marbofloxacin withdrawal time in broiler chickens using a population physiologically based pharmacokinetics model.

F Yang et al.

Journal of veterinary pharmacology and therapeutics, 37(6), 579-588 (2014-06-07)

Residue depletion of marbofloxacin in broiler chicken after oral administration at 5 mg/kg/day for three consecutive days was studied in this study. The areas under the concentration-time curve from 0 h to ∞ (AUC0-∞ s) of marbofloxacin in tissues and plasma were

Multi-residue Determination of Polar Veterinary Drugs in Livestock and Fishery Products by Liquid Chromatography/Tandem Mass Spectrometry.

Maki Kanda et al.

Journal of AOAC International, 98(1), 230-247 (2015-04-11)

Residues of 37 polar veterinary drugs belonging to six families (quinolones, tetracyclines, macrolides, lincosamides, sulfonamides, and others) in livestock and fishery products were determined using a validated LC-MS/MS method. There were two key points in sample preparation. First, extraction was

Simultaneous determination of 38 veterinary antibiotic residues in raw milk by UPLC-MS/MS.

R W Han et al.

Food chemistry, 181, 119-126 (2015-03-22)

A selective and rapid method has been developed to determine, simultaneously, 38 veterinary antibiotic residues in raw milk by ultra-high-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). One milliliter of raw milk was diluted with 0.5 mL water and 3 mL acetonitrile

Development of a novel genetically modified bioluminescent-bacteria-based assay for detection of fluoroquinolones in animal-derived foods.

Guyue Cheng et al.

Analytical and bioanalytical chemistry, 406(30), 7899-7910 (2014-10-31)

Fluoroquinolones (FQNs) are broad-spectrum antibacterial agents widely used in animal husbandry and aquaculture. The residues and antimicrobial resistance of such antibiotics are a major public health concern. To realize multianalyte detection of FQN residues, a genetically modified bacterium, Escherichia coli

High-performance thin-layer chromatography screening of multi class antibiotics in animal food by bioluminescent bioautography and electrospray ionization mass spectrometry.

Yisheng Chen et al.

Journal of chromatography. A, 1356, 249-257 (2014-07-13)

The world-wide usage and partly abuse of veterinary antibiotics resulted in a pressing need to control residues in animal-derived foods. Large-scale screening for residues of antibiotics is typically performed by microbial agar diffusion tests. This work employing high-performance thin-layer chromatography

In vitro selection of RNA aptamers that selectively bind danofloxacin.

Seung Ryul Han et al.

Biochemical and biophysical research communications, 448(4), 397-402 (2014-05-06)

Danofloxacin is a synthetic fluoroquinolone with broad spectrum antibacterial activity that is used for the treatment of respiratory diseases in animal husbandry. However, danofloxacin has many adverse reactions and is toxic to humans. Especially, it detrimentally affects muscle, central nerve

Multiresidue determination of fluoroquinolones in poultry muscle and kidney according to the regulation 2002/657/EC. A systematic comparison of two different approaches: Liquid chromatography coupled to high-resolution mass spectrometry or tandem mass spectrometry.

Diego G Rocha et al.

Journal of chromatography. A, 1379, 83-91 (2015-01-13)

This work involved the optimization and validation of two methods according to the Commission Decision 2002/657/EC directives for determining fluoroquinolones residues in samples of poultry muscle and kidney: ciprofloxacin, danofloxacin, difloxacin, enrofloxacin, flumequine, marbofloxacin, nalidixic acid, norfloxacin, ofloxacin, oxolinic acid

In vitro selection of resistance to pradofloxacin and ciprofloxacin in canine uropathogenic Escherichia coli isolates.

Xiaoqiang Liu et al.

Veterinary microbiology, 174(3-4), 514-522 (2014-12-04)

This study explored and compared the mechanisms and selective concentration of resistance between a 3rd (pradofloxacin) and 2nd (ciprofloxacin) generation fluoroquinolone. Pradofloxacin- and ciprofloxacin-resistant mutants were selected by stepwise exposure of Escherichia coli (E. coli) to escalating concentrations of pradofloxacin

The development and validation of a rapid method for the determination of antimicrobial agent residues in milk and meat using ultra performance liquid chromatography coupled to quadrupole--Orbitrap mass spectrometry.

Guntis Cepurnieks et al.

Journal of pharmaceutical and biomedical analysis, 102, 184-192 (2014-10-06)

A new multi-class method has been developed for the identification and quantification of the residues of 26 antibiotics from different classes (sulfonamides, macrolides, tetracyclines, penicillins, and quinolones) in milk and meat by ultra performance liquid chromatography coupled to hybrid quadrupole

Pharmacokinetic/pharmacodynamic evaluation of marbofloxacin in the treatment of Haemophilus parasuis and Actinobacillus pleuropneumoniae infections in nursery and fattener pigs using Monte Carlo simulations.

C Vilalta et al.

Journal of veterinary pharmacology and therapeutics, 37(6), 542-549 (2014-06-07)

This study evaluated the theoretical clinical outcome of three marbofloxacin posology regimens in two groups of pigs (weaners and fatteners) for the treatment of Actinobacillus pleuropneumoniae (App) and Haemophilus parasuis (Hp) infection and the appearance of resistant bacteria due to

Pharmacokinetics and pharmacokinetic/pharmacodynamic integration of marbofloxacin after intravenous and intramuscular administration in beagle dogs.

Sileshi Yohannes et al.

Xenobiotica; the fate of foreign compounds in biological systems, 45(3), 264-269 (2014-12-04)

1.The aim of the present study was to determine the PKs of marbofloxacin in beagle dogs after intravenous (i.v.) and intramuscular (i.m.) administration, the ex vivo and in vitro PK/PD indices of marbofloxacin against clinical isolates of Staphylococcus pseudintermedius, and

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