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
Amitraz marker residues in honey from honeybee colonies treated with Apiwarol
Pohorecka, Krystyna, Kiljanek, Tomasz, Antczak, Maja, Skubida, Piotr, Semkiw, Piotr, Posyniak, Andrzej
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
Analytical strategy for determination of chloramphenicol in different biological matrices by liquid chromatography - mass spectrometry
Śniegocki, Tomasz, Gbylik-Sikorska, Małgorzata, Posyniak, Andrzej
In vivo study of the oestrogenic activity of milk
Radko, Lidia, Posyniak, Andrzej
Occurrence of Veterinary Antibiotics and Chemotherapeutics in Fresh Water, Sediment, and Fish of the Rivers and Lakes in Poland
Gbylik-Sikorska, Małgorzata, Posyniak, Andrzej, Mitrowska, Kamila, Gajda, Anna, Błądek, Tomasz, Śniegocki, Tomasz, Żmudzki, Jan
Development of LC-MS/MS confirmatory method for the determination of testosterone in bovine serum
Woźniak, Barbara, Matraszek-Żuchowska, Iwona, Witek, Sebastian, Posyniak, Andrzej
Control of anabolic hormone residues in tissues of slaughter animals in Poland during the period of 2011–2015
Matraszek-Żuchowska, Iwona, Woźniak, Barbara, Kłopot, Alicja, Witek, Sebastian, Sielska, Katarzyna, 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
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
Confirmatory method for the determination of nitroimidazoles in milk by liquid chromatography - tandem mass spectrometry
Mitrowska, Kamila, Antczak, Maja, 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