Výsledky vyhledávání - "J A Van Rhijn"

Quantitative analysis of penicillins in porcine tissues, milk and animal feed using derivatisation with piperidine and stable isotope dilution liquid chromatography tandem mass spectrometry

Autor: H.H. Heskamp, Hans J A van Rhijn, Patrick P.J. Mulder, Frédérique L. van Holthoon, Eric O. van Bennekom, T. Zuidema

Publikováno v: Analytical and Bioanalytical Chemistry 396 (2010) 8
Analytical and Bioanalytical Chemistry
Analytical and Bioanalytical Chemistry, 396(8), 3027-3040

Penicillins are used universally in both human and veterinary medicine. The European Union (EU) has established maximum residue levels (MRLs) for most ss-lactam antibiotics in milk and animal tissues and included them in the National Residue Monitori

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::49e2e34fdf1f24e24dbdefe9d39759aa
https://doi.org/10.1007/s00216-010-3523-0

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Mass spectrometric analysis of the marine lipophilic biotoxins pectenotoxin-2 and okadaic acid by four different types of mass spectrometers

Autor: Arjen Gerssen, Jacob de Boer, Patrick P.J. Mulder, Hans J A van Rhijn

Publikováno v: Gerssen, A, Mulder, P, van Rhijn, H & de Boer, J 2008, ' Mass spectrometic analysis of the marine lipophilic biotoxins pectenotoxin-2 and okadaic acid by four different types of mass spectrometers ', Journal of Mass Spectrometry, vol. 43, pp. 1140-1147 . https://doi.org/10.1002/jms.1407
Journal of Mass Spectrometry 43 (2008) 8
Journal of Mass Spectrometry, 43(8), 1140-1147
Journal of Mass Spectrometry, 43, 1140-1147. John Wiley and Sons Ltd

The performances of four different mass spectrometers [triple-quadrupole (TQ), time-of-flight (ToF), quadrupole ToF (Q-ToF) and ion trap (IT)] for the detection of the marine lipophilic toxins pectenotoxin-2 (PTX2) and okadaic acid (OA) were investig

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::71981a9d722ec4a400970b48bc665aef
https://doi.org/10.1002/jms.1407

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Application of a multi-sulfonamide biosensor immunoassay for the detection of sulfadiazine and sulfamethoxazole residues in broiler serum and its use as a predictor of the levels in edible tissue

Autor: Manon Swanenburg, Monique Bienenmann-Ploum, Hans J A van Rhijn, Urpo Lamminmäki, Willem Haasnoot

Publikováno v: Analytica Chimica Acta, 552(1/2), 87-95
Analytica Chimica Acta 552 (2005) 1/2

A multi-sulfonamide biosensor immunoassay (BIA), based on a previously developed mutant antibody (A.3.5) in an optical biosensor (Biacore 3000), was applied to analyse the serum and plasma samples obtained from the broilers treated with sulfamethoxaz

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b62c62838a3b9eac66b8d9511e166b0a
https://doi.org/10.1016/j.aca.2005.07.053

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Transfer of nitrofuran residues from parent broiler breeder chickens to broiler progeny

Autor: D.G. Kennedy, R J McCracken, J A Van Rhijn

Publikováno v: British Poultry Science, 46(3), 287-292
British Poultry Science 46 (2005) 3

1. The use of nitrofuran antibiotics in food-producing animals is prohibited within the EU. Countries in the EU, as well those intending to export food to the EU, must ensure that their products are free from nitrofuran residues. 2. As a result of re

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d7d90de505565fc0f2a642d5eefd85a2
https://doi.org/10.1080/00071660500098327

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Multiple copies of nodD in Rhizobium tropici CIAT899 and BR816

Autor: P. J. S. van Rhijn, B. Feys, Christel Verreth, Jozef Vanderleyden

Publikováno v: Journal of Bacteriology. 175:438-447

Rhizobium tropici strains are able to nodulate a wide range of host plants: Phaseolus vulgaris, Leucaena spp., and Macroptilium atropurpureum. We studied the nodD regulatory gene for nodulation of two R. tropici strains: CIAT899, the reference R. tro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2881ae7e46c759a21aa4a7e80bf6c7bc
https://doi.org/10.1128/jb.175.2.438-447.1993

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Automated clean-up procedure for the gas chromatographic-high-resolution mass spectrometric determination of polychlorinated dibenzo-p-dioxins and dibenzofurans in milk

Autor: L.G.M.Th. Tuinstra, W.A. Traag, W. Kulik, J. A. van Rhijn

Publikováno v: Journal of Chromatography A. 595:289-299

A highly automated extraction and clean-up method for polychlorinated dibenzodioxins and polychlorinated dibenzofurans is described. The method includes the use of gel permeation chromatography, alumina clean-up and porous graphitized carbon chromato

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::67876c568eb42ab8a01e4246649b257b
https://doi.org/10.1016/0021-9673(92)85171-o

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Miniaturisation of size-exclusion chromatography as a powerful clean-up tool in residue analysis

Autor: L.G.M.Th. Tuinstra, J. A. van Rhijn

Publikováno v: Journal of Chromatography A. 552:517-526

A miniaturised size-exclusion chromatography (SEC) column with a 2 mm I.D. was developed and compared to a routinely used SEC column with a 10 mm I.D. for the determination of organochlorine pesticides. The flow-rate and sample size were decreased in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0c7e602053416491a1f9552d461b08a2
https://doi.org/10.1016/s0021-9673(01)95968-0

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