Johan Lasaroms

    20002019
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    Research Output 2000 2019

    2019
    Open Access
    2016
    7 Citations (Scopus)
    Open Access
    Dietary supplements
    Biosensing Techniques
    Appetite
    appetite
    Dietary Supplements
    2013
    2 Citations (Scopus)
    Clenbuterol
    clenbuterol
    veal calves
    Contamination
    Animals
    2012
    3 Citations (Scopus)
    nandrolone
    Nandrolone
    Histology
    barrows
    Bulbourethral Glands
    2 Citations (Scopus)
    Isoxsuprine
    hair
    Cesarean Section
    Hair
    Animals
    2011

    Nandrolone ester turns barrows into boars

    Groot, M. J., van Bennekom, E. O., Lasaroms, J. J. P., Vinyeta, E., van der Klis, J. D. & Nielen, M. W. F., 2011.

    Research output: Contribution to conferencePosterProfessional

    Open Access
    2009
    29 Citations (Scopus)

    Detectability of testosterone esters and estradiol benzoate in bovine hair and plasma following pour-on treatment

    Stolker, A. A. M., Groot, M. J., Lasaroms, J. J. P., Nijrolder, A. W. J. M., Blokland, M. H., Riedmaier, I., Becker, C., Meyer, H. H. D. & Nielen, M. W. F., 2009, In : Analytical and Bioanalytical Chemistry. 395, 4, p. 1075-1087

    Research output: Contribution to journalArticleAcademicpeer-review

    Open Access
    Hair
    Testosterone
    Esters
    Steroids
    Plasmas
    8 Citations (Scopus)
    Washing
    Esters
    Steroids
    Methanol
    Organophosphates
    26 Citations (Scopus)

    Validation and application of a yeast bioassay for screening androgenic activity in calf urine and feed

    Bovee, T. F. H., Bor, G., Heskamp, H. H., Lasaroms, J. J. P., Sanders, M. B. & Nielen, M. W. F., 2009, In : Analytica Chimica Acta. 637, 1-2, p. 225-234

    Research output: Contribution to journalArticleAcademicpeer-review

    androgen
    Bioassay
    Biological Assay
    Yeast
    urine
    2008
    182 Citations (Scopus)
    Open Access
    Veterinary Drugs
    Liquid chromatography
    Non-Steroidal Anti-Inflammatory Agents
    Liquid Chromatography
    Mass spectrometry
    99 Citations (Scopus)
    Electrospray ionization
    Electrospray Ionization Mass Spectrometry
    Liquid chromatography
    Tandem Mass Spectrometry
    Liquid Chromatography
    2007
    23 Citations (Scopus)
    Liquid chromatography
    Tandem Mass Spectrometry
    Gas chromatography
    urine
    Gas Chromatography-Mass Spectrometry
    2006
    16 Citations (Scopus)

    A dual-isotope-labeling method of studying the bioavailablity of hexaglutamyl folic acid relative to that of monoglutamyl folic acid in humans by using multiple orally administered low doses

    Boonstra, A., Verhoef, P., West, C. E., van Rhijn, J. A., van Breemen, R. B., Lasaroms, J. J. P., Garbis, S. D., Katan, M. B. & Kok, F. J., 2006, In : American Journal of Clinical Nutrition. 84, 5, p. 1128-1133

    Research output: Contribution to journalArticleAcademicpeer-review

    Isotope Labeling
    Folic Acid
    Biological Availability
    Capsules
    Tandem Mass Spectrometry
    4 Citations (Scopus)
    High performance liquid chromatography
    sodium salicylate
    Liquid chromatography
    Sodium Salicylate
    high performance liquid chromatography
    63 Citations (Scopus)
    Liquid chromatography
    Tandem Mass Spectrometry
    Liquid Chromatography
    Hair
    Mass spectrometry
    9 Citations (Scopus)
    Bioassay
    Tandem Mass Spectrometry
    Biological Assay
    Gas chromatography
    Yeast
    2004
    51 Citations (Scopus)
    Electrospray ionization
    Electrospray Ionization Mass Spectrometry
    Liquid chromatography
    Tandem Mass Spectrometry
    Feces

    Confirmatory analysis of traces of malachite green and its main metabolite leucomalachite green in muscle tissue of atlantic salmon

    van Rhijn, J. A., Mulder, P. P. J., van Baardewijk, F., te Brinke, E. M. & Lasaroms, J. J. P., 2004, residues of veterinary drugs in food: proceedings of the EuroResidue Conderence V, 10-12 May 2004, Noordwijkerhout, The Netherlands. Utrecht: Faculty of Veterinary Medicine, p. 808-813

    Research output: Chapter in Book/Report/Conference proceedingConference paperAcademic

    80 Citations (Scopus)

    Optimization of a liquid chromatography-tandem mass spectrometry method for quantification of the plant lignans secoisolariciresinol, matairesinol, lariciresinol and pinoresinol in foods

    Milder, I. E. J., Arts, I. C. W., Venema, D. P., Lasaroms, J. J. P., Wähälä, K. & Hollman, P. C. H., 2004, In : Journal of Agricultural and Food Chemistry. 52, 15, p. 4643-4651

    Research output: Contribution to journalArticleAcademicpeer-review

    matairesinol
    Lignans
    Liquid chromatography
    lignans
    Tandem Mass Spectrometry
    2003
    13 Citations (Scopus)

    Value of alternative sample matrices in residue analysis for stanozolol

    Nielen, M. W. F., Hooijerink, H., Essers, M. L., Lasaroms, J. J. P., van Bennekom, E. O. & Brouwer, L., 2003, In : Analytica Chimica Acta. 483, 1-2, p. 11-17

    Research output: Contribution to journalArticleAcademicpeer-review

    Stanozolol
    urine
    Urine
    Metabolites
    matrix
    2002
    59 Citations (Scopus)
    Sulfonamides
    Milk
    Liquids
    Veterinary Drugs
    Benzimidazoles
    2001
    21 Citations (Scopus)

    Development and validation of a method for the determination of sub-additive levels of virginiamycin in compound animal feeds by liquid chromatography

    Hajee, C. A. J., van Rhijn, J. A., Lasaroms, J. J. P., Keukens, H. J. & de Jong, J., 2001, In : The Analyst. 126, 8, p. 1332-1338

    Research output: Contribution to journalArticleAcademicpeer-review

    Streptogramin A
    Virginiamycin
    Poultry
    formic acid
    Liquid chromatography

    LC-MS/MS analysis of stable isotopically-labelled 5-methyl-tetrahydrofolate in human plasma

    van Rhijn, H. J. A., Melse-Boonstra, A., Lasaroms, J. J. P., Verhoef, P., Hollman, P. C. H., Katan, M. B. & West, C. H., 2001, Dutch Society of Mass Spectometry, the Netherlands, june 2001.

    Research output: Chapter in Book/Report/Conference proceedingAbstract

    2000

    Confirmatory analysis of residues of dimetridazole in muscle by LC-MS

    van Rhijn, J. A., Berendsen, B. J. A., Lasaroms, J. J. P. & Keukens, H. J., 2000, Proceedings of the EuroResidue IV Conference, Veldhoven, The Netherlands.

    Research output: Chapter in Book/Report/Conference proceedingConference paper

    Determination of sub-additive levels of virginiamycin in animal feed by LC-UV and LC-MSn

    Hajee, C. A. J., van Rhijn, J. A., Lasaroms, J. J. P., Keukens, H. J. & de Jong, J., 2000, Proceedings of the EuroResidue IV Conference, Veldhoven, The Netherlands.

    Research output: Chapter in Book/Report/Conference proceedingConference paper