Occurrence of Alternaria toxins in food products in The Netherlands
López, Patricia, Venema, Dini, de Rijk, Theo, de Kok, André, Scholten, Jos M., Mol, Hans G.J., de Nijs, Monique
Published in Food control (01.02.2016)
Published in Food control (01.02.2016)
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Validation of a fast and easy method for the determination of residues from 229 pesticides in fruits and vegetables using gas and liquid chromatography and mass spectrometric detection
Lehotay, S.J, Kok, A. de, Hiemstra, M, Bodegraven, P. van
Published in Journal of AOAC International (01.03.2005)
Published in Journal of AOAC International (01.03.2005)
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Identification and confirmation of chemical residues in food by chromatography-mass spectrometry and other techniques
Lehotay, Steven J., Mastovska, Katerina, Amirav, Aviv, Fialkov, Alexander B., Martos, Perry A., Kok, André de, Fernández-Alba, Amadeo R.
Published in TrAC, Trends in analytical chemistry (Regular ed.) (01.12.2008)
Published in TrAC, Trends in analytical chemistry (Regular ed.) (01.12.2008)
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Method validation for the analysis of 169 pesticides in soya grain, without clean up, by liquid chromatography–tandem mass spectrometry using positive and negative electrospray ionization
Pizzutti, Ionara R., de Kok, André, Zanella, Renato, Adaime, Martha B., Hiemstra, Maurice, Wickert, Cristine, Prestes, Osmar D.
Published in Journal of Chromatography A (23.02.2007)
Published in Journal of Chromatography A (23.02.2007)
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Determination of paraquat and diquat: LC-MS method optimization and validation
Pizzutti, Ionara R., Vela, Giovana M.E., de Kok, André, Scholten, Jos M., Dias, Jonatan V., Cardoso, Carmem D., Concenço, Germani, Vivian, Rafael
Published in Food chemistry (15.10.2016)
Published in Food chemistry (15.10.2016)
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Clean-up Strategy for Dithiocarbamate Fungicide Determination in Soybean by GC-ITD-MS and GC-PFPD: Method Development and Validation
Caiel da Silva, Rosselei, Wickert, Cristine, Pizzutti, Ionara Regina, de Kok, André
Published in Journal of agricultural and food chemistry (29.09.2021)
Published in Journal of agricultural and food chemistry (29.09.2021)
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Method validation and comparison of acetonitrile and acetone extraction for the analysis of 169 pesticides in soya grain by liquid chromatography–tandem mass spectrometry
Pizzutti, Ionara R., de Kok, André, Hiemstra, Maurice, Wickert, Cristine, Prestes, Osmar D.
Published in Journal of Chromatography A (22.05.2009)
Published in Journal of Chromatography A (22.05.2009)
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Comparison Between Three Chromatographic (GC-ECD, GC-PFPD and GC‑ITD‑MS) Methods and a UV-Vis Spectrophotometric Method for the Determination of Dithiocarbamates in Lettuce
Pizzutti, Ionara, de Kok, André, da Silva, Rosselei, Rohers, Graciele
Published in Journal of the Brazilian Chemical Society (01.05.2017)
Published in Journal of the Brazilian Chemical Society (01.05.2017)
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Method validation and application of a selective multiresidue analysis of highly polar pesticides in food matrices using hydrophilic interaction liquid chromatography and mass spectrometry
Herrera López, Sonia, Scholten, Jos, Kiedrowska, Barbara, de Kok, André
Published in Journal of Chromatography A (07.06.2019)
Published in Journal of Chromatography A (07.06.2019)
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Selective multiresidue determination of highly polar anionic pesticides in plant-based milk, wine and beer using hydrophilic interaction liquid chromatography combined with tandem mass spectrometry
Lopez, Sonia Herrera, Dias, Jonatan, Mol, Hans, de Kok, André
Published in Journal of Chromatography A (16.08.2020)
Published in Journal of Chromatography A (16.08.2020)
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Simultaneous determination of 117 pesticides and 30 mycotoxins in raw coffee, without clean-up, by LC-ESI-MS/MS analysis
Reichert, Bárbara, de Kok, André, Pizzutti, Ionara Regina, Scholten, Jos, Cardoso, Carmem Dickow, Spanjer, Martien
Published in Analytica chimica acta (03.04.2018)
Published in Analytica chimica acta (03.04.2018)
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Design of a compressed air modulator to be used in comprehensive multidimensional gas chromatography and its application in the determination of pesticide residues in grapes
Pizzutti, Ionara R., Vreuls, René J.J., de Kok, André, Roehrs, Rafael, Martel, Samile, Friggi, Caroline A., Zanella, Renato
Published in Journal of Chromatography A (10.04.2009)
Published in Journal of Chromatography A (10.04.2009)
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Influence of different hydrophilic interaction liquid chromatography stationary phases on method performance for the determination of highly polar anionic pesticides in complex feed matrices
Dias, Jonatan, López, Sonia Herrera, Mol, Hans, Kok, André
Published in Journal of separation science (01.06.2021)
Published in Journal of separation science (01.06.2021)
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Miniaturisation and optimisation of the Dutch mini-Luke extraction method for implementation in the routine multi-residue analysis of pesticides in fruits and vegetables
Lozano, Ana, Kiedrowska, Barbara, Scholten, Jos, de Kroon, Marijke, de Kok, André, Fernández-Alba, Amadeo R.
Published in Food chemistry (01.02.2016)
Published in Food chemistry (01.02.2016)
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