Search Results - "Zmudzki, Jan"

Multiresidue method for the simultaneous determination of veterinary medicinal products, feed additives and illegal dyes in eggs using liquid chromatography–tandem mass spectrometry by Piatkowska, Marta, Jedziniak, Piotr, Zmudzki, Jan

“…•LC–MS/MS method for determination of different class of analytes (121) in eggs.•Among the others illegal dyes were included into analysis.•Sample preparation…”
Get full text

Determination of carbadox and olaquindox metabolites in swine muscle by liquid chromatography/mass spectrometry by Sniegocki, Tomasz, Gbylik-Sikorska, Malgorzata, Posyniak, Andrzej, Zmudzki, Jan

“…•First application of the LLE combinated with LC–MS/MS.•Sample preparation by extraction and clean-up in a single step.•SelexION™ significantly improves signal…”
Get full text

LC-MS/MS fast analysis of androgenic steroids in urine by Wozniak, Barbara, Matraszek-Zuchowska, Iwona, Zmudzki, Jan

“…The liquid chromatography–tandem mass spectrometry method (LC-MS/MS) was developed and validated to detect androgenic steroids: trenbolone, nortestosterone,…”
Get full text

The effects of cooking on residues of malachite green and leucomalachite green in carp muscles by Mitrowska, Kamila, Posyniak, Andrzej, Zmudzki, Jan

“…The effects of various cooking methods (boiling, baking and microwaving) on residues of malachite green (MG) and its major metabolite, leucomalachite green…”
Get full text

Evaluation of sample preparation for control of chloramphenicol residues in porcine tissues by enzyme-linked immunosorbent assay and liquid chromatography by Posyniak, Andrzej, Zmudzki, Jan, Niedzielska, Jolanta

“…The effects of sample preparation on the determination of chloramphenicol (CAP) residues by enzyme-linked immunosorbent assay (ELISA) and liquid chromatography…”
Get full text

Total mercury levels in the muscle and liver of livestock and game animals in Poland, 2009–2018 by Nawrocka, Agnieszka, Durkalec, Maciej, Szkoda, Józef, Filipek, Aleksandra, Kmiecik, Mirosława, Żmudzki, Jan, Posyniak, Andrzej

“…The bioaccumulation of mercury (Hg) in the food chain may pose a threat to human health. The risk of dietary Hg intake is mostly caused by the consumption of…”
Get full text

Absence of evidence or evidence of absence? A transfer and depletion study of Sudan I in eggs by Piątkowska, Marta, Jedziniak, Piotr, Olejnik, Małgorzata, Żmudzki, Jan, Posyniak, Andrzej

“…[Display omitted] •In house Sudan I contaminated red pepper was prepared.•The pepper was used to prepare in-house contaminated-experimental animal feed.•The…”
Get full text

Effects of the matrix and sample preparation on the determination of fluoroquinolone residues in animal tissues by Posyniak, Andrzej, Zmudzki, Jan, Semeniuk, Stanislaw

“…The effects of aqueous–organic solvent extraction and enzymic digestion sonication procedure on the isolation of spiked fluoroquinolones from poultry tissue…”
Get full text

Temporal trends (1953–2012) of toxic and essential elements in red deer antlers from northeastern Poland by Giżejewska, Aleksandra, Fattebert, Julien, Nawrocka, Agnieszka, Szkoda, Józef, Żmudzki, Jan, Jaroszewski, Jerzy, Giżejewski, Zygmunt

“…Red deer antlers have a number of advantages that make them a unique material for monitoring trace elements. As antlers are shed and regrown every year,…”
Get full text

Determination of non-steroidal anti-inflammatory drugs and their metabolites in milk by liquid chromatography–tandem mass spectrometry by Jedziniak, Piotr, Szprengier-Juszkiewicz, Teresa, Pietruk, Konrad, Śledzińska, Edyta, Żmudzki, Jan

“…Non-steroidal anti-inflammatory drugs are widely used for treatment of animals. According to Council Directive 96/23/EC, residues of these drugs must be…”
Get full text

Determination of non-steroidal anti-inflammatory drugs residues in animal muscles by liquid chromatography–tandem mass spectrometry by Jedziniak, Piotr, Szprengier-Juszkiewicz, Teresa, Olejnik, Małgorzata, Żmudzki, Jan

“…A confirmatory method for the determination of residues of nine non-steroidal anti-inflammatory drugs and one metabolite in animal muscles has been developed…”
Get full text

Multiresidue determination of veterinary medicines in lyophilized egg albumen with subsequent consumer exposure evaluation by Piątkowska, Marta, Gbylik-Sikorska, Małgorzata, Gajda, Anna, Jedziniak, Piotr, Błądek, Tomasz, Żmudzki, Jan, Posyniak, Andrzej

“…[Display omitted] •Multiclass determination of 85 veterinary medicinal products in lyophilized egg albumen.•Screening and confirmation using liquid…”
Get full text

Can red deer antlers be used as an indicator of environmental and edible tissues’ trace element contamination? by Giżejewska, Aleksandra, Szkoda, Józef, Nawrocka, Agnieszka, Żmudzki, Jan, Giżejewski, Zygmunt

“…Venison is an attractive product for consumers concerned with healthy lifestyle; however, it can contain high levels of toxic elements, and therefore, it is a…”
Get full text

Liquid chromatography–tandem mass spectrometry multiclass method for the determination of antibiotics residues in water samples from water supply systems in food-producing animal farms by Gbylik-Sikorska, Malgorzata, Posyniak, Andrzej, Sniegocki, Tomasz, Zmudzki, Jan

“…[Display omitted] •Determination of 45 antibiotics from 9 different groups in water samples.•Sample preparation by extraction and clean-up in a single…”
Get full text

Expression of metallothionein in the liver and kidneys of the red deer (Cervus elaphus L.) from an industrial metal smelting area of Poland by Durkalec, Maciej, Kolenda, Rafał, Owczarek, Tomasz, Szkoda, Józef, Nawrocka, Agnieszka, Grzegrzółka, Jędrzej, Dzięgiel, Piotr, Socha, Piotr, Kołacz, Roman, Schierack, Peter, Żmudzki, Jan, Posyniak, Andrzej

“…The metallothionein 1 (MT1) coding sequence of red deer was identified and compared to orthologous sequences from other mammals. Over 90% identity was observed…”
Get full text

Control of residues of thyreostats in slaughter animals in Poland in 2011–2017 by Woźniak, Barbara, Matraszek-Żuchowska, Iwona, Sielska, Katarzyna, Witek, Sebastian, Posyniak, Andrzej, Niemczuk, Krzysztof, Żmudzki, Jan

“…In the European Union, the use of thyreostatic drugs for fattening slaughter animals has been banned since 1981 under Council Directive 81/602/EEC. For…”
Get full text

Determination of malachite green and leucomalachite green residues in water using liquid chromatography with visible and fluorescence detection and confirmation by tandem mass spectrometry by Mitrowska, Kamila, Posyniak, Andrzej, Zmudzki, Jan

“…A liquid chromatography with visible and fluorescence detection (LC–vis/FLD) method for screening and a liquid chromatography with mass spectrometry (LC–MS/MS)…”
Get full text

Influence of matrix effect on the performance of the method for the official residue control of non-steroidal anti-inflammatory drugs in animal muscle by Olejnik, Małgorzata, Jedziniak, Piotr, Szprengier-Juszkiewicz, Teresa, Żmudzki, Jan

“…RATIONALE During the development and validation of mass spectrometry based method in residue control analysis, it is recommended to evaluate the level of the…”
Get full text

Simultaneous determination of ten illegal azo dyes in feed by ultra-high performance liquid chromatography tandem mass spectrometry by Piątkowska, Marta, Jedziniak, Piotr, Olejnik, Małgorzata, Pietruk, Konrad, Żmudzki, Jan, Posyniak, Andrzej

“…Introduction: The paper presents the method of simultaneous determination of 10 illegal azo dyes in feed by ultra-high performance liquid chromatography…”
Get full text

The effect of environmental mycotoxins on selected ovarian tissue fragments of multiparous female wild boars at the beginning of astronomical winter by Zielonka, Łukasz, Gajęcka, Magdalena, Rozicka, Anna, Dąbrowski, Michał, Żmudzki, Jan, Gajęcki, Maciej

“…The contamination of plant material with mycotoxins, in particular of the genus Fusarium, is common in the natural environment. Multiparous female wild boars…”
Get full text