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Factor transformation to produce statistics describing the uncertainty of analytical data.Detection of banned meat and bone meal in feedstuffs by near-infrared microscopic analysis of the dense sediment fraction.Microwave-assisted extraction of zearalenone from wheat and corn.Pesticide residues in products of plant origin in the European Union. Sampling strategy and results from the co-ordinated EU monitoring programmes in 1996 and 1997.A review of the work of the EU Reference Laboratory supporting the authorisation process of feed additives in the EU. [corrected].Determination of dioxins (PCDDs/PCDFs) and PCBs in food and feed using the DR CALUX bioassay: results of an international validation study.Optimisation of asymmetric flow field-flow fractionation for the characterisation of nanoparticles in coated polydisperse TiO2 with applications in food and feedDetermination of semduramicin in poultry feed at authorized level by liquid chromatography single quadrupole mass spectrometry.Use of glyceroltriheptanoate as marker for processed animal by-products: development and validation of an analytical method.Validation of a near infrared microscopy method for the detection of animal products in feedingstuffs: results of a collaborative study.Development and validation of a rapid multiplex ELISA for pyrrolizidine alkaloids and their N-oxides in honey and feed.Determination of zearalenone from wheat and corn by pressurized liquid extraction and liquid chromatography-electrospray mass spectrometry.Comparison of alternative and conventional extraction techniques for the determination of zearalenone in corn.A competitive polymerase chain reaction-based approach for the identification and semiquantification of mitochondrial DNA in differently heat-treated bovine meat and bone meal.Experimental design for in-house validation of a screening immunoassay kit. The case of a multiplex dipstick for Fusarium mycotoxins in cereals.Determination of ionophore coccidiostats in feedingstuffs by liquid chromatography-tandem mass spectrometry Part I. Application to targeted feed.Multi-residue method for the detection of veterinary drugs in distillers grains by liquid chromatography-Orbitrap high resolution mass spectrometry.Results of a European inter-laboratory comparison study on the determination of EU priority polycyclic aromatic hydrocarbons (PAHs) in edible vegetable oils.Novel approach for interlaboratory transfer of real-time PCR methods: detecting bovine meat and bone meal in feed.An inter-laboratory validation of a multiplex dipstick assay for four classes of antibiotics in honey.Separation and quantification of 15 carotenoids by reversed phase high performance liquid chromatography coupled to diode array detection with isosbestic wavelength approach.Alternative extraction methods for Zearalenone: Microwave Assisted Extraction and Accelerated Solvent Extraction.Intra- and inter-laboratory validation of a dipstick immunoassay for the detection of tropane alkaloids hyoscyamine and scopolamine in animal feed.Novel approach for the simultaneous detection of DNA from different fish species based on a nuclear target: quantification potential.Detection of ruminant meat and bone meals in animal feed by real-time polymerase chain reaction: result of an interlaboratory study.Discriminating animal fats and their origins: assessing the potentials of Fourier transform infrared spectroscopy, gas chromatography, immunoassay and polymerase chain reaction techniques.Fourier transform near-infrared and mid-infrared spectroscopy as efficient tools for rapid screening of deoxynivalenol contamination in wheat branSpectroscopy applied to feed additives of the European Union Reference Laboratory: a valuable tool for traceabilityRevision of a European Union Official Method to Enforce Legal Provisions: The Case of DiclazurilEvaluation of Mycotoxin Screening Tests in a Verification Study Involving First Time UsersComparison of different extraction and clean-up procedures for the determination of fumonisins in maize and maize-based food productsExtraction of PCDD/PCDF from soil with supercritical CO2: optimization by a three-level factorial design approachUse of an immunoassay as a means to detect polychlorinated biphenyls in animal fatOn-line clean-up of pressurized liquid extracts for the determination of polychlorinated biphenyls in feedingstuffs and food matrices using gas chromatography-mass spectrometryComparison of fat retainers in accelerated solvent extraction for the selective extraction of PCBs from fat-containing samplesCorrection of analytical results for recovery: a comparison of the method performance characteristics from recent collaborative trials studies for aflatoxin quantification using conventional and robust statisticsIntercomparison study for the determination of selected polychlorinated biphenyls (PCBs) in feed matricesSample preparation strategy for the simultaneous determination of macrolide antibiotics in animal feedingstuffs by liquid chromatography with electrochemical detection (HPLC-ECD)Validation of an analytical method for the determination of spiramycin, virginiamycin and tylosin in feeding-stuffs by thin-layer chromatography and bio-autographyChallenges and needs in food measurements
P50
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P50
description
researcher
@en
name
Christoph von Holst
@en
Christoph von Holst
@nl
type
label
Christoph von Holst
@en
Christoph von Holst
@nl
prefLabel
Christoph von Holst
@en
Christoph von Holst
@nl
P106
P31
P496
0000-0002-5892-2302