Multi-residue confirmatory method for the determination of twelve coccidiostats in chicken liver using liquid chromatography tandem mass spectrometry M Olejnik, T Szprengier-Juszkiewicz, P Jedziniak Journal of Chromatography A 1216 (46), 8141-8148, 2009 | 118 | 2009 |
Determination of non-steroidal anti-inflammatory drugs residues in animal muscles by liquid chromatography–tandem mass spectrometry P Jedziniak, T Szprengier-Juszkiewicz, M Olejnik, J Żmudzki Analytica chimica acta 672 (1-2), 85-92, 2010 | 73 | 2010 |
Determination of benzimidazoles and levamisole residues in milk by liquid chromatography–mass spectrometry: Screening method development and validation P Jedziniak, T Szprengier-Juszkiewicz, M Olejnik Journal of Chromatography A 1216 (46), 8165-8172, 2009 | 67 | 2009 |
Determination of fifteen coccidiostats in feed at carry-over levels using liquid chromatography–mass spectrometry K Pietruk, M Olejnik, P Jedziniak, T Szprengier-Juszkiewicz Journal of pharmaceutical and biomedical analysis 112, 50-59, 2015 | 44 | 2015 |
Ionophore Toxicity in Animals: A Review of Clinical and Molecular Aspects İB Ekinci, A Chłodowska, M Olejnik International Journal of Molecular Sciences 24 (2), 1696, 2023 | 33 | 2023 |
Absence of evidence or evidence of absence? A transfer and depletion study of Sudan I in eggs M Piątkowska, P Jedziniak, M Olejnik, J Żmudzki, A Posyniak Food Chemistry 239, 598-602, 2018 | 31 | 2018 |
Residue control of coccidiostats in food of animal origin in Poland during 2007–2010 M Olejnik, T Szprengier-Juszkiewicz, P Jedziniak, E Śledzińska, ... Food Additives and Contaminants: Part B 4 (4), 259-267, 2011 | 30 | 2011 |
Confirmatory method for determination of coccidiostats in eggs M Olejnik, T Szprengier-Juszkiewicz, P Jedziniak Bull Vet Inst Pulawy 54, 327-333, 2010 | 25 | 2010 |
Effect of sildenafil, a selective phosphodiesterase 5 inhibitor, on the anticonvulsant action of some antiepileptic drugs in the mouse 6-Hz psychomotor seizure model D Nieoczym, K Socała, P Jedziniak, M Olejnik, P Wlaź Progress in Neuro-Psychopharmacology and Biological Psychiatry 47, 104-110, 2013 | 22 | 2013 |
Semduramicin in eggs–The incompatibility of feed and food maximum levels M Olejnik, T Szprengier-Juszkiewicz, P Jedziniak Food chemistry 149, 178-182, 2014 | 20 | 2014 |
Influence of matrix effect on the performance of the method for the official residue control of non‐steroidal anti‐inflammatory drugs in animal muscle M Olejnik, P Jedziniak, T Szprengier‐Juszkiewicz, J Żmudzki Rapid Communications in Mass Spectrometry 27 (3), 437-442, 2013 | 19 | 2013 |
In-house reference materials: 5-hydroxyflunixin and meloxicam in cow milk—preparation and evaluation P Jedziniak, T Szprengier-Juszkiewicz, M Olejnik Analytica chimica acta 637 (1-2), 346-350, 2009 | 19 | 2009 |
Determination of flunixin and 5-hydroxyflunixin in bovine plasma with HPLC-UV-method development, validation and verification P Jedziniak, T Szprengier-Juszkiewicz, M Olejnik, J Jaroszewski BULLETIN-VETERINARY INSTITUTE IN PULAWY 51 (2), 261, 2007 | 18 | 2007 |
Determination of salicylic acid in feed using LC-MS/MS E Protasiuk, M Olejnik Journal of Veterinary Research 62 (3), 303-307, 2018 | 16 | 2018 |
Simultaneous determination of residues of non-steroidal anti-inflammatory drugs and glucocorticosteroids in animal muscle by liquid chromatography-tandem mass spectrometry P Jedziniak, M Olejnik, K Pietruk, E Protasiuk, T Szprengier-Juszkiewicz, ... Food Analytical Methods 9 (6), 1837-1848, 2016 | 16 | 2016 |
Rapid method for the determination of metamizole residues in bovine muscle by LC-MS/MS P Jedziniak, K Pietruk, E Śledzińska, M Olejnik, T Szprengier-Juszkiewicz, ... Food Additives & Contaminants: Part A 30 (6), 977-982, 2013 | 16 | 2013 |
Electrochemical reduction of azo dyes mimicking their biotransformation to more toxic products K Pietruk, M Piątkowska, M Olejnik Journal of Veterinary Research 63 (3), 433-438, 2019 | 14 | 2019 |
Anthelmintic residues in goat and sheep dairy products P Jedziniak, M Olejnik, JG Rola, T Szprengier-Juszkiewicz Journal of Veterinary Research 59 (4), 515-518, 2015 | 14 | 2015 |
Multi-residue screening method for the determination of non-steroidal anti-inflammatory drug residues in cow’s milk with HPLC-UV and its application to meloxicam residue … P Jedziniak, T Szprengier-Juszkiewicz, M Olejnik Bull Vet Inst Pulawy 53, 731-739, 2009 | 14 | 2009 |
Coccidiostat residues in poultry tissues and eggs. M Olejnik, T Szprengier-Juszkiewicz Medycyna Weterynaryjna 63 (12), 1539-1545, 2007 | 13 | 2007 |