Cristiana Benetti

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A sensitive and specific method based on high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS), for the simultaneous determination of lincomycin and five macrolide antibiotics in honey, was developed and validated. The analytes were extracted with Tris buffer 0.1 M, pH 10.5, and cleaned-up by a single solid-phase extraction step on(More)
The study was intended to evaluate the depletion of chloramphenicol (CAP) in rainbow trout (about 300-550 g body weight), after 10 days treatment with fish feedstuff containing chloramphenicol. A total of 60 animals were separated in two groups: one was fed with CAP containing feedstuff in order to have a dosage of about 80 mgkg(-1)day(-1), while a second(More)
During feed preparation at feed mills or during feed mixing in bins at farms, the accidental contamination of feed at trace levels by veterinary drug residues, commonly known as carry-over, can accidentally but frequently occur. To evaluate the concentrations of residual antimicrobials in poultry edible tissues, due to contaminated feed, sulfadimethoxine(More)
A fast, simple and very selective liquid chromatography-mass spectrometry (LC-MS) method for the detection of isopropylthioxanthone (ITX) in dairy products has been developed and validated. After addition of an ITX-d(3) as internal standard and a simple extraction from the sample with acetonitrile, the extract was centrifuged and directly injected into the(More)
Misuse or deliberate abuse of anticoagulant rodenticides (AR) may often result in incidental or malicious non-target animal poisoning. This study presents preliminary results of the analysis of 561 real suspected samples, ranging from baits to livers and stomach contents, collected at the Istituto Zooprofilattico Sperimentale delle Venezie (official(More)
properties of The internal criticism of Marx's approach is very simple in principle. One need only be aware that relative value and equivalent are not relevant concepts except when related to determinate agents. In other words, x commodity A => y commodity B concerns only the producer of A. For the producer of B, the relevant description would be(More)
The objective of this study was to assess the occurrence of drug residues in the raw milk collected from individual farms and milk collection points during 2009-2010 in six different major regions of Kosovo (Prishtinë, Gjilan, Mitrovicë, Pejë, Gjakovë, Prizren). In the present study, a total of 1734 raw milk samples were collected, and qualitatively(More)
This paper presents a study developed at SIMEPAR (Paraná state weather service) using lightning data for electrical thunderstorm nowcasting. Thunderstorm electrical data collected at SIMEPAR such as lightning location, time of occurrence, current intensity, polarity, etc, are stored in real-time in a relational database. As a first step of this study,(More)
An uncontrolled used of antibiotics and sulphonamides is responsible for the presence of residues in beehive products and contributes to the problem of food safety. The optimisation of analytical methods for the detection of residues of antibacterial drugs (sulphonamides, SPs; tylosin, TL; streptomycin, ST) in honey was pursued and the methods applied to(More)
For the treatment of rabbit dysentery and bacterial enteritis, veterinary practitioners often adopt veterinary medicinal products authorised for other food-producing species, but in some cases non-authorised drugs frequently used in the past, such as carbadox and olaquindox, might be illegally adopted. To verify the carbadox and olaquindox distribution and(More)
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