Control of residues of thyreostats in slaughter animals in Poland in 2011–2017
Woźniak, Barbara, Matraszek-Żuchowska, Iwona, Sielska, Katarzyna, Witek, Sebastian, Posyniak, Andrzej, Niemczuk, Krzysztof, Żmudzki, Jan
Development of a UHPLC-MS/MS method for the determination of quercetin in milk and its application to a pharmacokinetic study
Gbylik-Sikorska, Małgorzata, Gajda, Anna, Burmańczuk, Artur, Grabowski, Tomasz, Posyniak, Andrzej
A preliminary study of the poultry body weight effect of carvacrol in litter and of carvacrol residue in organ tissue of exposed chickens
Śniegocki, Tomasz, Raszkowska-Kaczor, Aneta, Bajer, Krzysztof, Sell, Bartosz, Kozdruń, Wojciech, Giergiel, Marta, Posyniak, Andrzej
Analysis of β-agonists in different biological matrices by liquid chromatography–tandem mass spectrometry
Śniegocki, Tomasz, Sell, Bartosz, Posyniak, Andrzej
The markers of stress in swine oral fluid
Giergiel, Marta, Olejnik, Małgorzata, Jabłoński, Artur, Posyniak, Andrzej
Liquid chromatography – tandem mass spectrometry method for the determination of ten tetracycline residues in muscle samples
Gajda, Anna, Posyniak, Andrzej
LC-MS/MS analysis of doxycycline residues in chicken tissues after oral administration
Gajda, Anna, Posyniak, Andrzej, Tomczyk, Grzegorz
In vivo study of the oestrogenic activity of milk
Radko, Lidia, Posyniak, Andrzej
Simultaneous determination of ten illegal azo dyes in feed by ultra-high performance liquid chromatography tandem mass spectrometry
Piątkowska, Marta, Jedziniak, Piotr, Olejnik, Małgorzata, Pietruk, Konrad, Żmudzki, Jan, Posyniak, Andrzej
Confirmatory method for the determination of nitroimidazoles in milk by liquid chromatography - tandem mass spectrometry
Mitrowska, Kamila, Antczak, Maja, Posyniak, Andrzej
Analytical Procedure for the Determination of Tulathromycin in Swine Plasma
Gajda, Anna, Posyniak, Andrzej, Błądek, Tomasz
Levels of the natural hormones 17β-oestradiol and testosterone in serum of cattle: results from population studies in Poland
Woźniak, Barbara, Witek, Sebastian, Matraszek-Żuchowska, Iwona, Kłopot, Alicja, Posyniak, Andrzej