Application of Micellar Mobile Phase for Quantification of Sulfonamides in Medicated Feeds by HPLC-DAD

by Ewelina Patyra, Krzysztof Kwiatek
Published 2021-06-01

Determination of Sulfonamides in Feeds by High-Performance Liquid Chromatography after Fluorescamine Precolumn Derivatization

by Ewelina Patyra, Monika Przeniosło-Siwczyńska, Krzysztof Kwiatek
Published 2019-01-01

Quantification of Veterinary Antibiotics in Pig and Poultry Feces and Liquid Manure as a Non-Invasive Method to Monitor Antibiotic Usage in Livestock by Liquid Chromatography Mass-...

by Ewelina Patyra, Krzysztof Kwiatek, Carolina Nebot, Rosa Elvira Gavilán
Published 2020-07-01

Contamination of Animal Feed with Undeclared Tetracyclines—Confirmatory Analysis by Liquid Chromatography–Mass Spectrometry after Microbiological Plate Test

by Monika Przeniosło-Siwczyńska, Ewelina Patyra, Aleksandra Grelik, Maja Chyłek-Purchała, Beata Kozak, Krzysztof Kwiatek
Published 2020-05-01

Determination of Florfenicol, Thiamfenicol and Chloramfenicol at Trace Levels in Animal Feed by HPLC–MS/MS

by Rosa Elvira Gavilán, Carolina Nebot, Ewelina Patyra, Beatriz Vazquez, Jose Manuel Miranda, Alberto Cepeda
Published 2019-05-01