Simultaneous determination of ten illegal azo dyes in feed by ultra-high performance liquid chromatography tandem mass spectrometry
Marta Piątkowska, Piotr Jedziniak, Małgorzata Olejnik, Konrad Pietruk, Jan Żmudzki, Andrzej Posyniak
Occurrence of Veterinary Antibiotics and Chemotherapeutics in Fresh Water, Sediment, and Fish of the Rivers and Lakes in Poland
Małgorzata Gbylik-Sikorska, Andrzej Posyniak, Kamila Mitrowska, Anna Gajda, Tomasz Błądek, Tomasz Śniegocki, Jan Żmudzki
Control of residues of thyreostats in slaughter animals in Poland in 2011–2017
Barbara Woźniak, Iwona Matraszek-Żuchowska, Katarzyna Sielska, Sebastian Witek, Andrzej Posyniak, Krzysztof Niemczuk, Jan Żmudzki
A preliminary study of the poultry body weight effect of carvacrol in litter and of carvacrol residue in organ tissue of exposed chickens
Tomasz Śniegocki, Aneta Raszkowska-Kaczor, Krzysztof Bajer, Bartosz Sell, Wojciech Kozdruń, Marta Giergiel, Andrzej Posyniak
New method of analysis of nitrofurans and nitrofuran metabolites in different biological matrices using UHPLC-MS/MS
Tomasz Śniegocki, Marta Giergiel, Bartosz Sell, Andrzej Posyniak
Effect of doxycycline concentrations in chicken tissues as a consequence of permanent exposure to enrofloxacin traces in drinking water
Małgorzata Gbylik-Sikorska, Andrzej Posyniak, Tomasz Śniegocki, Bartosz Sell, Anna Gajda, Grzegorz Tomczyk, Jan Żmudzki
Determinaton of enrofloxacin and ciprofloxacin in albumin and freeze-dried-eggs by liquid chromatography with fluorescence detection
Małgorzata Gbylik-Sikorska, Andrzej Posyniak, Anna Gajda, Tomasz Błądek
Simultaneous Determinaton of Fluoroquinolones in Feed by Liquid Chromatography with Fluorescence Detection
Małgorzata Gbylik, Andrzej Posyniak, Anna Gajda
Confirmatory method for the determination of nitroimidazoles in milk by liquid chromatography - tandem mass spectrometry
Kamila Mitrowska, Maja Antczak, Andrzej Posyniak
Analytical strategy for determination of chloramphenicol in different biological matrices by liquid chromatography - mass spectrometry
Tomasz Śniegocki, Małgorzata Gbylik-Sikorska, Andrzej Posyniak
Determination of steroid esters in hair of slaughter animals by liquid chromatography with tandem mass spectrometry
Iwona Matraszek-Żuchowska, Barbara Woźniak, Katarzyna Sielska, Andrzej Posyniak
The markers of stress in swine oral fluid
Marta Giergiel, Małgorzata Olejnik, Artur Jabłoński, Andrzej Posyniak