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Udo Th Brinkman

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TOP 3
Leo van Stee; Udo A Th Brinkman
Peak clustering in two-dimensional gas chromatography with mass spectrometric detection based on theoretical calculation of two-dimensional peak shapes: the 2DAid approach.
M Adahchour; Jan Beens; Udo A Th Brinkman
Recent developments in the application of comprehensive two-dimensional gas chromatography.
L L P van Stee; Udo A Th Brinkman
Developments in the application of gas chromatography with atomic emission (plus mass spectrometric) detection.

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All Publications

2011: Leo van Stee; Udo A Th Brinkman
Peak clustering in two-dimensional gas chromatography with mass spectrometric detection based on theoretical calculation of two-dimensional peak shapes: the 2DAid approach.
Journal of chromatography. A 2011;1218(43):7878-85.
2008: M Adahchour; Jan Beens; Udo A Th Brinkman
Recent developments in the application of comprehensive two-dimensional gas chromatography.
Journal of chromatography. A 2008;1186(1-2):67-108.
2008: L L P van Stee; Udo A Th Brinkman
Developments in the application of gas chromatography with atomic emission (plus mass spectrometric) detection.
Journal of chromatography. A 2008;1186(1-2):109-22.
2008: Sjaak de Koning; Erwin Kaal; Hans-Gerd Janssen; Chris van Platerink; Udo A Th Brinkman
Characterization of olive oil volatiles by multi-step direct thermal desorption-comprehensive gas chromatography-time-of-flight mass spectrometry using a programmed temperature vaporizing injector.
Journal of chromatography. A 2008;1186(1-2):228-35.
2008: Peter Haglund; Peter Korytár; Conny Danielsson; Jordí Diaz; Karin Wiberg; Pim Leonards; Udo A Th Brinkman; Jacob de Boer
GC x GC-ECD: a promising method for the determination of dioxins and dioxin-like PCBs in food and feed.
Analytical and bioanalytical chemistry 2008;390(7):1815-27.
2006: Eva de Rijke; Pieter Out; Wilfried M A Niessen; Freek Ariese; Cees Gooijer; Udo A Th Brinkman
Analytical separation and detection methods for flavonoids.
Journal of chromatography. A 2006;1112(1-2):31-63.
2005: Peter Korytár; Adrian Covaci; P E G Leonards; Jacob de Boer; Udo A Th Brinkman
Comprehensive two-dimensional gas chromatography of polybrominated diphenyl ethers.
Journal of chromatography. A 2005;1100(2):200-7.
2005: Jan Beens; Hans-Gerd Janssen; Mohamed Adahchour; Udo A Th Brinkman
Flow regime at ambient outlet pressure and its influence in comprehensive two-dimensional gas chromatography.
Journal of chromatography. A 2005;1086(1-2):141-50.
2005: Mohamed Adahchour; Eric Jover; Jan Beens; René J J Vreuls; Udo A Th Brinkman
Twin comprehensive two-dimensional gas chromatographic system: concept and applications.
Journal of chromatography. A 2005;1086(1-2):128-34.
2005: Mohamed Adahchour; Jaap Wiewel; Ramon Verdel; René J J Vreuls; Udo A Th Brinkman
Improved determination of flavour compounds in butter by solid-phase (micro)extraction and comprehensive two-dimensional gas chromatography.
Journal of chromatography. A 2005;1086(1-2):99-106.
2005: Peter Korytár; J Parera; P E G Leonards; Francisco Javier Santos; Jacob de Boer; Udo A Th Brinkman
Characterization of polychlorinated n-alkanes using comprehensive two-dimensional gas chromatography--electron-capture negative ionisation time-of-flight mass spectrometry.
Journal of chromatography. A 2005;1086(1-2):71-82.
2005: Conny Danielsson; Karin Wiberg; Peter Korytár; Sture Bergek; Udo A Th Brinkman; Peter Haglund
Trace analysis of polychlorinated dibenzo-p-dioxins, dibenzofurans and WHO polychlorinated biphenyls in food using comprehensive two-dimensional gas chromatography with electron-capture detection.
Journal of chromatography. A 2005;1086(1-2):61-70.
2005: Peter Korytár; P E G Leonards; Jacob de Boer; Udo A Th Brinkman
Group separation of organohalogenated compounds by means of comprehensive two-dimensional gas chromatography.
Journal of chromatography. A 2005;1086(1-2):29-44.
2005: Eric Jover; Mohamed Adahchour; Josep M Bayona; René J J Vreuls; Udo A Th Brinkman
Characterization of lipids in complex samples using comprehensive two-dimensional gas chromatography with time-of-flight mass spectrometry.
Journal of chromatography. A 2005;1086(1-2):2-11.
2005: E Maria Baltussen; Harmen C Neidig; René J J Vreuls; Udo A Th Brinkman
Fast miniaturised sample preparation for the screening and comprehensive two-dimensional gas chromatographic determination of polychlorinated biphenyls in sludge.
Journal of separation science 2005;28(11):1121-8.
2005: Patrick Roose; Marc Raemaekers; Kris Cooreman; Udo A Th Brinkman
Polychlorinated biphenyls in marine sediments from the southern North Sea and Scheldt estuary: a ten-year study of concentrations, patterns and trends.
Journal of environmental monitoring : JEM 2005;7(7):701-9.
2005: Bjart Frode Lutnaes; Gregor Luthe; Udo A Th Brinkman; Jon E Johansen; Jostein Krane
Characterization of monofluorinated polycyclic aromatic compounds by 1H, 13C and 19F NMR spectroscopy.
Magnetic resonance in chemistry : MRC 2005;43(7):588-94.
2005: Eva de Rijke; Leon Aardenburg; Jerry Van Dijk; Freek Ariese; Wilfried H O Ernst; Cees Gooijer; Udo A Th Brinkman
Changed isoflavone levels in red clover (Trifolium pratense L.) leaves with disturbed root nodulation in response to waterlogging.
Journal of chemical ecology 2005;31(6):1285-98.
2005: Peter Korytár; J Parera; P E G Leonards; Jacob de Boer; Udo A Th Brinkman
Quadrupole mass spectrometer operating in the electron-capture negative ion mode as detector for comprehensive two-dimensional gas chromatography.
Journal of chromatography. A 2005;1067(1-2):255-64.
2005: Mohamed Adahchour; Menno Brandt; Hans-Ulrich Baier; René J J Vreuls; A Max Batenburg; Udo A Th Brinkman
Comprehensive two-dimensional gas chromatography coupled to a rapid-scanning quadrupole mass spectrometer: principles and applications.
Journal of chromatography. A 2005;1067(1-2):245-54.
2005: A A M Stolker; Udo A Th Brinkman
Analytical strategies for residue analysis of veterinary drugs and growth-promoting agents in food-producing animals--a review.
Journal of chromatography. A 2005;1067(1-2):15-53.
2005: Peter Korytár; Adrian Covaci; Jacob de Boer; Anke Gelbin; Udo A Th Brinkman
Retention-time database of 126 polybrominated diphenyl ether congeners and two bromkal technical mixtures on seven capillary gas chromatographic columns.
Journal of chromatography. A 2005;1065(2):239-49.
2005: Jan Beens; Udo A Th Brinkman
Comprehensive two-dimensional gas chromatography--a powerful and versatile technique.
The Analyst 2005;130(2):123-7.
2005: Lourdes Ramos; Juan-José Ramos; Udo A Th Brinkman
Miniaturization in sample treatment for environmental analysis.
Analytical and bioanalytical chemistry 2005;381(1):119-40.
2004: E Maria Baltussen; Silvia Angioi; René J J Vreuls; Maria Carla Gennaro; Udo A Th Brinkman
Miniaturised pressurised liquid extraction of chloroanilines from soil with subsequent analysis by large-volume injection-gas chromatography-mass spectrometry.
Journal of chromatography. A 2004;1058(1-2):243-9.
2004: Sjaak de Koning; Hans-Gerd Janssen; Udo A Th Brinkman
Group-type characterisation of mineral oil samples by two-dimensional comprehensive normal-phase liquid chromatography-gas chromatography with time-of-flight mass spectrometric detection.
Journal of chromatography. A 2004;1058(1-2):217-21.
2004: Mohamed Adahchour; Jan Beens; René J J Vreuls; A Max Batenburg; Udo A Th Brinkman
Comprehensive two-dimensional gas chromatography of complex samples by using a 'reversed-type' column combination: application to food analysis.
Journal of chromatography. A 2004;1054(1-2):47-55.
2004: Eva de Rijke; Frans de Kanter; Freek Ariese; Udo A Th Brinkman; Cees Gooijer
Liquid chromatography coupled to nuclear magnetic resonance spectroscopy for the identification of isoflavone glucoside malonates in T. pratense L. leaves.
Journal of separation science 2004;27(13):1061-70.
2004: Peter Korytár; Conny Danielsson; P E G Leonards; Peter Haglund; Jacob de Boer; Udo A Th Brinkman
Separation of seventeen 2,3,7,8-substituted polychlorinated dibenzo-p-dioxins and dibenzofurans and 12 dioxin-like polychlorinated biphenyls by comprehensive two-dimensional gas chromatography with electron-capture detection.
Journal of chromatography. A 2004;1038(1-2):189-99.
2004: Sjaak de Koning; Hans-Gerd Janssen; Marieke van Deursen; Udo A Th Brinkman
Automated on-line comprehensive two-dimensional LC x GC and LC x GC-ToF MS: instrument design and application to edible oil and fat analysis.
Journal of separation science 2004;27(5-6):397-409.
2004: Hans-Gerd Janssen; Sjaak de Koning; Udo A Th Brinkman
On-line LC-GC and comprehensive two-dimensional LCxGC-ToF MS for the analysis of complex samples.
Analytical and bioanalytical chemistry 2004;378(8):1944-7.
2004: Jan Beens; Udo A Th Brinkman
Comprehensive two-dimensional gas chromatography-a powerful and widely applicable technique.
Analytical and bioanalytical chemistry 2004;378(8):1939-43.
2004: Alida Linda A M Stolker; Willem Niesing; Regine Fuchs; Rob Vreeken; Wilfried M A Niessen; Udo A Th Brinkman
Liquid chromatography with triple-quadrupole and quadrupole-time-of-flight mass spectrometry for the determination of micro-constituents - a comparison.
Analytical and bioanalytical chemistry 2004;378(7):1754-61.
2004: Alida A M Stolker; Sylvia H M A Linders; Leendert A van Ginkel; Udo A Th Brinkman
Application of the revised EU criteria for the confirmation of anabolic steroids in meat using GC-MS.
Analytical and bioanalytical chemistry 2004;378(5):1313-21.
2004: Eva de Rijke; Herman Zappey; Freek Ariese; Cees Gooijer; Udo A Th Brinkman
Flavonoids in Leguminosae: analysis of extracts of T. pratense L., T. dubium L., T. repens L., and L. corniculatus L. leaves using liquid chromatography with UV, mass spectrometric and fluorescence detection.
Analytical and bioanalytical chemistry 2004;378(4):995-1006.
2004: Alida A M Stolker; Willem Niesing; Elbert A Hogendoorn; Johanna F M Versteegh; Regine Fuchs; Udo A Th Brinkman
Liquid chromatography with triple-quadrupole or quadrupole-time of flight mass spectrometry for screening and confirmation of residues of pharmaceuticals in water.
Analytical and bioanalytical chemistry 2004;378(4):955-63.
2004: Sjaak de Koning; Mitsuhiro Kurano; Hans-Gerd Janssen; Udo A Th Brinkman
AT-column, a novel concentrating technique for large-volume injections in gas chromatography.
Journal of chromatography. A 2004;1023(2):165-74.
2003: Patrick Roose; Gerlinde Van Thuyne; Claude Belpaire; Mark Raemaekers; Udo A Th Brinkman
Determination of VOCs in yellow eel from various inland water bodies in Flanders (Belgium).
Journal of environmental monitoring : JEM 2003;5(6):876-84.
2003: Mohamed Adahchour; Leo van Stee; Jan Beens; René J J Vreuls; Max A Batenburg; Udo A Th Brinkman
Comprehensive two-dimensional gas chromatography with time-of-flight mass spectrometric detection for the trace analysis of flavour compounds in food.
Journal of chromatography. A 2003;1019(1-2):157-72.
2003: Leo van Stee; Jan Beens; René J J Vreuls; Udo A Th Brinkman
Comprehensive two-dimensional gas chromatography with atomic emission detection and correlation with mass spectrometric detection: principles and application in petrochemical analysis.
Journal of chromatography. A 2003;1019(1-2):89-99.
2003: E Maria Baltussen; Peter Korytár; Conny Danielsson; Minna Kallio; Menno Brandt; Jani Mäkelä; René J J Vreuls; Jan Beens; Udo A Th Brinkman
Evaluation of modulators and electron-capture detectors for comprehensive two-dimensional GC of halogenated organic compounds.
Journal of chromatography. A 2003;1019(1-2):65-77.
2003: Reyer J Dijkstra; Evtim V Efremov; Freek Ariese; Udo A Th Brinkman; Cees Gooijer
Capillary electrophoresis coupled on-line with ultraviolet resonance Raman spectroscopy.
Analytical chemistry 2003;75(21):5697-702.
2003: Sjaak de Koning; Günter Lach; Manfred Linkerhägner; Ralf Löscher; Peter Horst Tablack; Udo A Th Brinkman
Trace-level determination of pesticides in food using difficult matrix introduction-gas chromatography-time-of-flight mass spectrometry.
Journal of chromatography. A 2003;1008(2):247-52.
2003: I D Wilson; Udo A Th Brinkman
Hyphenation and hypernation the practice and prospects of multiple hyphenation.
Journal of chromatography. A 2003;1000(1-2):325-56.
2003: Jens Dallüge; Jan Beens; Udo A Th Brinkman
Comprehensive two-dimensional gas chromatography: a powerful and versatile analytical tool.
Journal of chromatography. A 2003;1000(1-2):69-108.
2003: Peter Korytár; Leo van Stee; P E G Leonards; Jacob de Boer; Udo A Th Brinkman
Attempt to unravel the composition of toxaphene by comprehensive two-dimensional gas chromatography with selective detection.
Journal of chromatography. A 2003;994(1-2):179-89.
2003: Jacobus Kuijt; Freek Ariese; Udo A Th Brinkman; Cees Gooijer
Laser-induced quenched phosphorescence detection in capillary electrophoresis.
Electrophoresis 2003;24(7-8):1193-9.
2003: Mohamed Adahchour; Jan Beens; Udo A Th Brinkman
Single-jet, single-stage cryogenic modulator for comprehensive two-dimensional gas chromatography (GC x GC).
The Analyst 2003;128(3):213-6.
2003: Eva de Rijke; Herman Zappey; Freek Ariese; Cees Gooijer; Udo A Th Brinkman
Liquid chromatography with atmospheric pressure chemical ionization and electrospray ionization mass spectrometry of flavonoids with triple-quadrupole and ion-trap instruments.
Journal of chromatography. A 2003;984(1):45-58.
2002: Edwin W J Hooijschuur; Charles E Kientz; Udo A Th Brinkman
Analytical separation techniques for the determination of chemical warfare agents.
Journal of chromatography. A 2002;982(2):177-200.
2002: Gregor Luthe; Gerard J Stroomberg; Freek Ariese; Udo A Th Brinkman; Nico M van Straalen
Metabolism of 1-fluoropyrene and pyrene in marine flatfish and terrestrial isopods.
Environmental toxicology and pharmacology 2002;12(4):221-9.
2002: Leo van Stee; P E G Leonards; Willem M G M van Loon; A Jan Hendriks; Johanna L Maas; Jaap Struijs; Udo A Th Brinkman
Use of semi-permeable membrane devices and solid-phase extraction for the wide-range screening of microcontaminants in surface water by GC-AED/MS.
Water research 2002;36(18):4455-70.
2002: E Maria Baltussen; Dirk A Kamminga; M Isabel Catalina; Cristina Espiga; René J J Vreuls; Udo A Th Brinkman
Role of the retaining precolumn in large-volume on-column injections of volatiles to gas chromatography.
Journal of chromatography. A 2002;975(1):95-104.
2002: Lourdes Ramos; E M Kristenson; Udo A Th Brinkman
Current use of pressurised liquid extraction and subcritical water extraction in environmental analysis.
Journal of chromatography. A 2002;975(1):3-29.
2002: Jens Dallüge; Leo van Stee; Xiaobin Xu; Jonathan Williams; Jan Beens; René J J Vreuls; Udo A Th Brinkman
Unravelling the composition of very complex samples by comprehensive gas chromatography coupled to time-of-flight mass spectrometry. Cigarette smoke.
Journal of chromatography. A 2002;974(1-2):169-84.
2002: J Blomberg; peter schoenmakers; Udo A Th Brinkman
Gas chromatographic methods for oil analysis.
Journal of chromatography. A 2002;972(2):137-73.
2002: Jacobus Kuijt; David Arraez Roman; Freek Ariese; Udo A Th Brinkman; Cees Gooijer
Quenched phosphorescence detection in cyclodextrin-based electrokinetic chromatography.
Analytical chemistry 2002;74(19):5139-45.
2002: T de Beer; Nel H Velthorst; Udo A Th Brinkman; Cees Gooijer
Laser-based non-fluorescence detection techniques for liquid separation systems.
Journal of chromatography. A 2002;971(1-2):1-35.
2002: RB Geerdink; W M A Niessen; Udo A Th Brinkman
Trace-level determination of pesticides in water by means of liquid and gas chromatography.
Journal of chromatography. A 2002;970(1-2):65-93.
2002: Jens Dallüge; Patrick Roose; Udo A Th Brinkman
Evaluation of a high-resolution time-of-flight mass spectrometer for the gas chromatographic determination of selected environmental contaminants.
Journal of chromatography. A 2002;970(1-2):213-23.
2002: Jens Dallüge; Martijn van Rijn; Jan Beens; René J J Vreuls; Udo A Th Brinkman
Comprehensive two-dimensional gas chromatography with time-of-flight mass spectrometric detection applied to the determination of pesticides in food extracts.
Journal of chromatography. A 2002;965(1-2):207-17.
2002: Johannes A van Rhijn; Johan J P Lasaroms; B J A Berendsen; Udo A Th Brinkman
Liquid chromatographic-tandem mass spectrometric determination of selected sulphonamides in milk.
Journal of chromatography. A 2002;960(1-2):121-33.
2002: Peter Blokker; Roel Pel; Lawrence Akoto; Udo A Th Brinkman; René J J Vreuls
At-line gas chromatographic-mass spectrometric analysis of fatty acid profiles of green microalgae using a direct thermal desorption interface.
Journal of chromatography. A 2002;959(1-2):191-201.
2002: Peter Korytár; P E G Leonards; Jacob de Boer; Udo A Th Brinkman
High-resolution separation of polychlorinated biphenyls by comprehensive two-dimensional gas chromatography.
Journal of chromatography. A 2002;958(1-2):203-18.
2002: Alida A M Stolker; Paulus W Zoontjes; Paulus L W J Schwillens; Peter R Kootstra; Leendert A van Ginkel; Rainer W Stephany; Udo A Th Brinkman
Determination of acetyl gestagenic steroids in kidney fat by automated supercritical fluid extraction and liquid chromatography ion-trap mass spectrometry.
The Analyst 2002;127(6):748-54.
2002: Peter Jüngel; Sjaak de Koning; Udo A Th Brinkman; Eckhard Melcher
Analyses of the wood preservative component N-cyclohexyl-diazeniumdioxide in impregnated pine sapwood by direct thermal desorption-gas chromatography-mass spectrometry.
Journal of chromatography. A 2002;953(1-2):199-205.
2002: Ruud J C A Steen; E H G Evers; Bert van Hattum; WP Cofino; Udo A Th Brinkman
Net fluxes of pesticides from the Scheldt Estuary into the North Sea: a model approach.
Environmental pollution (Barking, Essex : 1987) 2002;116(1):75-84.
2001: G Luthe; J Broeders; Udo A Th Brinkman
Monofluorinated polycyclic aromatic hydrocarbons as internal standards to monitor trace enrichment and desorption of their parent compounds during solid-phase extraction.
Journal of chromatography. A 2001;933(1-2):27-35.
2001: Jacobus Kuijt; R van Teylingen; Tom Nijbacker; Freek Ariese; Udo A Th Brinkman; Cees Gooijer
Detection of nonderivatized peptides in capillary electrophoresis using quenched phosphorescence.
Analytical chemistry 2001;73(21):5026-9.
2001: Reyer J Dijkstra; C T Martha; Freek Ariese; Udo A Th Brinkman; Cees Gooijer
On-line identification method in column liquid chromatography: UV resonance Raman spectroscopy.
Analytical chemistry 2001;73(20):4977-82.
2001: Eva de Rijke; A Zafra-Gómez; Freek Ariese; Udo A Th Brinkman; C Gooije
Determination of isoflavone glucoside malonates in Trifolium pratense L. (red clover) extracts: quantification and stability studies.
Journal of chromatography. A 2001;932(1-2):55-64.
2001: J A van Rhij; H H Heskamp; E Davelaar; Wilco Jordi; M S Leloux; Udo A Th Brinkman
Quantititative determination of glycosylated and aglycon isoprenoid cytokinins at sub-picomolar levels by microcolumn liquid chromatography combined with electrospray tandem mass spectrometry.
Journal of chromatography. A 2001;929(1-2):31-42.
2001: Edwin W J Hooijschuur; Charles E Kientz; Udo A Th Brinkman
Application of microcolumn liquid chromatography and capillary electrophoresis with flame photometric detection for the screening of degradation products of chemical warfare agents in water and soil.
Journal of chromatography. A 2001;928(2):187-99.
2001: R M Seifar; J M Verheul; Freek Ariese; Udo A Th Brinkman; Cees Gooijer
Applicability of surface-enhanced resonance Raman scattering for the direct discrimination of ballpoint pen inks.
The Analyst 2001;126(8):1418-22.
2001: Sjaak de Koning; B van der Meer; G Alkema; Hans-Gerd Janssen; Udo A Th Brinkman
Automated determination of fatty acid methyl ester and cis/trans methyl ester composition of fats and oils.
Journal of chromatography. A 2001;922(1-2):391-7.
2001: Jan Beens; Mohamed Adahchour; René J J Vreuls; Klaas Van Altena; Udo A Th Brinkman
Simple, non-moving modulation interface for comprehensive two-dimensional gas chromatography.
Journal of chromatography. A 2001;919(1):127-32.
2001: Reyer J Dijkstra; C J Slooten; Aike Stortelder; Joost B Buijs; Freek Ariese; Udo A Th Brinkman; Cees Gooijer
Liquid-core waveguide technology for coupling column liquid chromatography and Raman spectroscopy.
Journal of chromatography. A 2001;918(1):25-36.
2001: E Maria Baltussen; E G Haverkate; C J Slooten; L Ramos; René J J Vreuls; Udo A Th Brinkman
Miniaturized automated matrix solid-phase dispersion extraction of pesticides in fruit followed by gas chromatographic-mass spectrometric analysis.
Journal of chromatography. A 2001;917(1-2):277-86.
2001: Ruud J C A Steen; I Bobeldijk; Udo A Th Brinkman
Screening for transformation products of pesticides using tandem mass spectrometric scan modes.
Journal of chromatography. A 2001;915(1-2):129-37.
2001: RB Geerdink; W M Niessen; Udo A Th Brinkman
Mass spectrometric confirmation criterion for product-ion spectra generated in flow-injection analysis. Environmental application.
Journal of chromatography. A 2001;910(2):291-300.
2001: HJ de Geus; Isabel Aidos; Jacob de Boer; Joop B Luten; Udo A Th Brinkman
Characterisation of fatty acids in biological oil samples using comprehensive multidimensional gas chromatography.
Journal of chromatography. A 2001;910(1):95-103.
2001: Jacobus Kuijt; C García-Ruiz; Gerard J Stroomberg; M L Marina; Freek Ariese; Udo A Th Brinkman; Cees Gooijer
Laser-induced fluorescence detection at 266 nm in capillary electrophoresis. Polycyclic aromatic hydrocarbon metabolites in biota.
Journal of chromatography. A 2001;907(1-2):291-9.
2001: Edwin W J Hooijschuur; Charles E Kientz; Udo A Th Brinkman
Determination of alkylphosphonic acids by microcolumn liquid chromatography with gradient elution coupled on-line with flame photometric detection.
Journal of chromatography. A 2001;907(1-2):165-72.
2001: Ruud J C A Steen; J van der Vaart; M Hiep; Bert van Hattum; WP Cofino; Udo A Th Brinkman
Gross fluxes and estuarine behaviour of pesticides in the Scheldt estuary (1995-1997).
Environmental pollution (Barking, Essex : 1987) 2001;115(1):65-79.
2000: Ruud J C A Steen; Bert van Hattum; Udo A Th Brinkman
A study on the behaviour of pesticides and their transformation products in the Scheldt estuary using liquid chromatography-electrospray tandem mass spectrometry.
Journal of environmental monitoring : JEM 2000;2(6):597-602.
2000: R M Seifar; M A Altelaar; Reyer J Dijkstra; Freek Ariese; Udo A Th Brinkman; Cees Gooijer
Surface-enhanced resonance Raman spectroscopy as an identification tool in column liquid chromatography.
Analytical chemistry 2000;72(22):5718-24.
2000: J Slobodník; S Ramalho; Ben L M van Baar; AJ Louter; Udo A Th Brinkman
Determination of microcontaminants in sediments by on-line solid-phase extraction-gas chromatography-mass spectrometry.
Chemosphere 2000;41(9):1469-78.
2000: HJ de Geus; PG Wester; A Schelvis; Jacob de Boer; Udo A Th Brinkman
Toxaphene: a challenging analytical problem.
Journal of environmental monitoring : JEM 2000;2(5):503-11.
2000: G Luthe; Udo A Th Brinkman
Monofluorinated polycyclic aromatic hydrocarbons: characteristics and intended use in environmental analysis.
The Analyst 2000;125(10):1699-702.
2000: Leendert A van Ginkel; Udo A Th Brinkman
Comparison of different liquid chromatography methods for the determination of corticosteroids in biological matrices.
Journal of chromatography. A 2000;893(1):55-67.
2000: AC Hogenboom; M P Hofman; S J Kok; Wilfried M A Niessen; Udo A Th Brinkman
Determination of pesticides in vegetables using large-volume injection column liquid chromatography-electrospray tandem mass spectrometry.
Journal of chromatography. A 2000;892(1-2):379-90.
2000: L Ramos; JJ Vreuls; Udo A Th Brinkman
Miniaturised pressurised liquid extraction of polycyclic aromatic hydrocarbons from soil and sediment with subsequent large-volume injection-gas chromatography.
Journal of chromatography. A 2000;891(2):275-86.
2000: HJ de Geus; P G Wester; Jacob de Boer; Udo A Th Brinkman
Enantiomer fractions instead of enantiomer ratios.
Chemosphere 2000;41(5):725-7.
2000: AC Hogenboom; M P Hofman; D A Jolly; Wilfried M A Niessen; Udo A Th Brinkman
On-line dual-precolumn-based trace enrichment for the determination of polar and acidic microcontaminants in river water by liquid chromatography with diode-array UV and tandem mass spectrometric detection.
Journal of chromatography. A 2000;885(1-2):377-88.
2000: M Isabel Catalina; Jens Dallüge; René J J Vreuls; Udo A Th Brinkman
Determination of chlorophenoxy acid herbicides in water by in situ esterification followed by in-vial liquid-liquid extraction combined with large-volume on-column injection and gas chromatography-mass spectrometry.
Journal of chromatography. A 2000;877(1-2):153-66.
2000: Jacobus Kuijt; Udo A Th Brinkman; Cees Gooijer
Quenched phosphorescence, a new detection method in capillary electrophoresis.
Electrophoresis 2000;21(7):1305-11.
2000: AC Hogenboom; Wilfried M A Niessen; Udo A Th Brinkman
Characterization of photodegradation products of alachlor in water by on-line solid-phase extraction liquid chromatography combined with tandem mass spectrometry and orthogonal-acceleration time-of-flight mass spectrometry.
Rapid communications in mass spectrometry : RCM 2000;14(20):1914-24.
1999: RB Geerdink; A Kooistra-Sijpersma; J Tiesnitsch; P G Kienhuis; Udo A Th Brinkman
Determination of polar pesticides with atmospheric pressure chemical ionisation mass spectrometry-mass spectrometry using methanol and/or acetonitrile for solid-phase desorption and gradient liquid chromatography.
Journal of chromatography. A 1999;863(2):147-55.
1999: Ruud J C A Steen; AC Hogenboom; P E G Leonards; R A Peerboom; WP Cofino; Udo A Th Brinkman
Ultra-trace-level determination of polar pesticides and their transformation products in surface and estuarine water samples using column liquid chromatography-electrospray tandem mass spectrometry.
Journal of chromatography. A 1999;857(1-2):157-66.
1999: JR Veraart; Henk Lingeman; Udo A Th Brinkman
Coupling of biological sample handling and capillary electrophoresis.
Journal of chromatography. A 1999;856(1-2):483-514.
1999: JJ Vreuls; AJ Louter; Udo A Th Brinkman
On-line combination of aqueous-sample preparation and capillary gas chromatography.
Journal of chromatography. A 1999;856(1-2):279-314.
1999: Edwin W J Hooijschuur; Charles E Kientz; Udo A Th Brinkman
Determination of the sulfur mustard hydrolysis product thiodiglycol by microcolumn liquid chromatography coupled on-line with sulfur flame photometric detection using large-volume injections and peak compression.
Journal of chromatography. A 1999;849(2):433-44.
1999: E Noroozian; F Lagerwerf; H Lingeman; Udo A Th Brinkman; M A Kerkhoff
Determination of roquefortine C in blue cheese using on-line column-switching liquid chromatography.
Journal of pharmaceutical and biomedical analysis 1999;20(3):611-9.
1999: Mohamed Adahchour; René J J Vreuls; A van der Heijden; Udo A Th Brinkman
Trace-level determination of polar flavour compounds in butter by solid-phase extraction and gas chromatography-mass spectrometry.
Journal of chromatography. A 1999;844(1-2):295-305.
1999: AJ Louter; JJ Vreuls; Udo A Th Brinkman
On-line combination of aqueous-sample preparation and capillary gas chromatography.
Journal of chromatography. A 1999;842(1-2):391-426.
1999: AC Hogenboom; Wilfried M A Niessen; Udo A Th Brinkman
On-line solid-phase extraction-short-column liquid chromatography combined with various tandem mass spectrometric scanning strategies for the rapid study of transformation of pesticides in surface water.
Journal of chromatography. A 1999;841(1):33-44.
1999: Jacobus Kuijt; Udo A Th Brinkman; Cees Gooijer
Sensitized and quenched phosphorescence as a detection mode in capillary electrophoresis.
Analytical chemistry 1999;71(7):1384-90.
1999: JR Veraart; M C Groot; Cees Gooijer; Henk Lingeman; Nel H Velthorst; Udo A Th Brinkman
On-line dialysis-SPE-CE of acidic drugs in biological samples.
The Analyst 1999;124(2):115-8.
1999: Jens Dallüge; T Hankemeier; René J J Vreuls; Udo A Th Brinkman
On-line coupling of immunoaffinity-based solid-phase extraction and gas chromatography for the determination of s-triazines in aqueous samples.
Journal of chromatography. A 1999;830(2):377-86.
1999: AC Hogenboom; Wilfried M A Niessen; D Little; Udo A Th Brinkman
Accurate mass determinations for the confirmation and identification of organic microcontaminants in surface water using on-line solid-phase extraction liquid chromatography electrospray orthogonal-acceleration time-of-flight mass spectrometry.
Rapid communications in mass spectrometry : RCM 1999;13(2):125-33.
1998: JR Veraart; Cees Gooijer; Henk Lingeman; Nel H Velthorst; Udo A Th Brinkman
At-line solid-phase extraction for capillary electrophoresis: application to negatively charged solutes.
Journal of chromatography. B, Biomedical sciences and applications 1998;719(1-2):199-208.
1998: JR Veraart; J van Hekezen; M C Groot; Cees Gooijer; Henk Lingeman; Nel H Velthorst; Udo A Th Brinkman
On-line dialysis solid-phase extraction coupled to capillary electrophoresis.
Electrophoresis 1998;19(16-17):2944-9.
1998: S J Kok; Nel H Velthorst; Cees Gooijer; Udo A Th Brinkman
Analyte identification in capillary electrophoretic separation techniques.
Electrophoresis 1998;19(16-17):2753-76.
1998: P E G Leonards; S Broekhuizen; P de Voogt; Nico M van Straalen; Udo A Th Brinkman; WP Cofino; Bert van Hattum
Studies of bioaccumulation and biotransformation of PCBs in mustelids based on concentration and congener patterns in predators and preys.
Archives of environmental contamination and toxicology 1998;35(4):654-65.
1998: E Noroozian; F Lagerwerf; H Lingeman; Udo A Th Brinkman; M A Kerkhoff
Determination of roquefortine C in blue cheese using on-line column-switching liquid chromatography.
Journal of pharmaceutical and biomedical analysis 1998;17(6-7):1215-23.
1998: JR Veraart; Cees Gooijer; Henk Lingeman; Nel H Velthorst; Udo A Th Brinkman
Determination of phenprocoumon in plasma and urine using at-line solid-phase extraction-capillary electrophoresis.
Journal of pharmaceutical and biomedical analysis 1998;17(6-7):1161-6.
1998: JR Veraart; S J Kok; Johan teKoppele; Cees Gooijer; Henk Lingeman; Nel H Velthorst; Udo A Th Brinkman
Capillary electrophoresis of the collagen crosslinks HP and LP utilizing absorbance, wavelength-resolved laser-induced fluorescence and conventional fluorescence detection.
Biomedical chromatography : BMC 1998;12(4):226-31.
1998: AC Hogenboom; Wilfried M A Niessen; Udo A Th Brinkman
Rapid target analysis of microcontaminants in water by on-line single-short-column liquid chromatography combined with atmospheric pressure chemical ionization ion-trap mass spectrometry.
Journal of chromatography. A 1998;794(1-2):201-10.
1998: O M Steijger; D A Kamminga; Henk Lingeman; Udo A Th Brinkman
An acridinium sulphonylamide as a new chemiluminescent label for the determination of carboxylic acids in liquid chromatography.
Journal of bioluminescence and chemiluminescence 1998;13(1):31-40.
1997: AC Hogenboom; P Speksnijder; Rob Vreeken; Wilfried M A Niessen; Udo A Th Brinkman
Rapid target analysis of microcontaminants in water by on-line single-short-column liquid chromatography combined with atmospheric pressure chemical ionization tandem mass spectrometry.
Journal of chromatography. A 1997;777(1):81-90.
1997: AJ Louter; E Bosma; J C Schipperen; JJ Vreuls; Udo A Th Brinkman
Automated on-line solid-phase extraction-gas chromatography with nitrogen-phosphorus detection: determination of benzodiazepines in human plasma.
Journal of chromatography. B, Biomedical sciences and applications 1997;689(1):35-43.
1996: G R van der Hoff; A C van Beuzekom; Udo A Th Brinkman; RA Baumann; P van Zoonen
Determination of organochlorine compounds in fatty matrices. Application of rapid off-line normal-phase liquid chromatographic clean-up.
Journal of chromatography. A 1996;754(1-2):487-96.
1996: JJ Vreuls; R J Swen; V P Goudriaan; M A Kerkhoff; G A Jongenotter; Udo A Th Brinkman
Automated on-line gel permeation chromatography-gas chromatography for the determination of organophosphorus pesticides in olive oil.
Journal of chromatography. A 1996;750(1-2):275-86.
1996: J Slobodník; O Oztezkizan; H Lingeman; Udo A Th Brinkman
Solid-phase extraction of polar pesticides from environmental water samples on graphitized carbon and Empore-activated carbon disks and on-line coupling to octadecyl-bonded silica analytical columns.
Journal of chromatography. A 1996;750(1-2):227-38.
1996: J A Stäb; T P Traas; G Stroomberg; J van Kesteren; P E G Leonards; Bert van Hattum; Udo A Th Brinkman; WP Cofino
Determination of organotin compounds in the foodweb of a shallow freshwater lake in the Netherlands.
Archives of environmental contamination and toxicology 1996;31(3):319-28.
1996: R Herráez-Hernández; AJ Louter; N C van de Merbel; Udo A Th Brinkman
Automated on-line dialysis for sample preparation for gas chromatography: determination of benzodiazepines in human plasma.
Journal of pharmaceutical and biomedical analysis 1996;14(8-10):1077-87.
1996: Govert W Somsen; E W Hooijschuur; Cees Gooijer; Udo A Th Brinkman; Nel H Velthorst; T Visser
Coupling of reversed-phase liquid column chromatography and fourier transform infrared spectrometry using postcolumn on-line extraction and solvent elimination.
Analytical chemistry 1996;68(5):746-52.
1996: G R van der Hoff; F Pelusio; Udo A Th Brinkman; RA Baumann; P van Zoonen
Automated solid-phase extraction coupled to gas chromatography with electron-capture detection: a combination of extraction and clean-up of pyrethroids in the analysis of surface water.
Journal of chromatography. A 1996;719(1):59-67.
1995: M M Aerts; AC Hogenboom; Udo A Th Brinkman
Analytical strategies for the screening of veterinary drugs and their residues in edible products.
Journal of chromatography. B, Biomedical applications 1995;667(1):1-40.
1995: R Herráez-Hernández; N C van de Merbel; Udo A Th Brinkman
Determination of the total concentration of highly protein-bound drugs in plasma by on-line dialysis and column liquid chromatography: application to non-steroidal anti-inflammatory drugs.
Journal of chromatography. B, Biomedical applications 1995;666(1):127-37.
1995: A J Mank; E J Molenaar; Cees Gooijer; H Lingeman; Nel H Velthorst; Udo A Th Brinkman
Determination of the anticancer drug metabolite WR1065 using pre-column derivatization and diode laser induced fluorescence detection.
Journal of pharmaceutical and biomedical analysis 1995;13(3):255-63.
1994: N Snippe; N C van de Merbel; F P Ruiter; O M Steijger; H Lingeman; Udo A Th Brinkman
Automated column liquid chromatographic determination of amoxicillin and cefadroxil in bovine serum and muscle tissue using on-line dialysis for sample preparation.
Journal of chromatography. B, Biomedical applications 1994;662(1):61-70.
1994: Y Pico; AJ Louter; JJ Vreuls; Udo A Th Brinkman
On-line trace-level enrichment gas chromatography of triazine herbicides, organophosphorus pesticides, and organosulfur compounds from drinking and surface waters.
The Analyst 1994;119(9):2025-31.
1994: Udo A Th Brinkman
On-line sample treatment for or via column liquid chromatography.
Journal of chromatography. A 1994;665(2):217-31.
1993: Rob Vreeken; M Honing; B L van Baar; R T Ghijsen; G J de Jong; Udo A Th Brinkman
On-line post-column Diels-Alder derivatization for the determination of vitamin D3 and its metabolites by liquid chromatography/thermospray mass spectrometry.
Biological mass spectrometry 1993;22(11):621-32.
1993: O M Steijger; H Lingeman; Udo A Th Brinkman; J J Holthuis; A K Smilde; D A Doornbos
Liquid chromatographic analysis of carboxylic acids using N-(4-aminobutyl)-N-ethylisoluminol as chemiluminescent label: determination of ibuprofen in saliva.
Journal of chromatography 1993;615(1):97-110.
1992: N C Van de Merbel; J M Teule; H Lingeman; Udo A Th Brinkman
Dialysis as an on-line sample-pretreatment technique for column liquid chromatography: influence of experimental variables upon the determination of benzodiazepines in human plasma.
Journal of pharmaceutical and biomedical analysis 1992;10(2-3):225-33.
1992: A Farjam; N C van de Merbel; A A Nieman; H Lingeman; Udo A Th Brinkman
Determination of aflatoxin M1 using a dialysis-based immunoaffinity sample pretreatment system coupled on-line to liquid chromatography. Reusable immunoaffinity columns.
Journal of chromatography 1992;589(1-2):141-9.
1991: P de Voogt; J W Wegener; Udo A Th Brinkman; H Govers
Retention of neutral and basic heteroaromatic hydrocarbons in RPLC systems and its use in predictive studies. I. Concentration of the organic modifier.
The Science of the total environment 1991;109-110():69-87.
1991: A Farjam; JJ Vreuls; W J Cuppen; Udo A Th Brinkman; G J de Jong
Direct introduction of large-volume urine samples into an on-line immunoaffinity sample pretreatment-capillary gas chromatography system.
Analytical chemistry 1991;63(21):2481-7.
1991: A Farjam; A E Brugman; H Lingeman; Udo A Th Brinkman
On-line immunoaffinity sample pre-treatment for column liquid chromatography: evaluation of desorption techniques and operating conditions using an anti-estrogen immuno-precolumn as a model system.
The Analyst 1991;116(9):891-6.
1991: D Barceló; G Durand; Rob Vreeken; G J De Jong; H Lingeman; Udo A Th Brinkman
Evaluation of eluents in thermospray liquid chromatography-mass spectrometry for identification and determination of pesticides in environmental samples.
Journal of chromatography 1991;553(1-2):311-28.
1991: F A van der Horst; M A van Opstal; Jan Teeuwsen; M H Post; J J Holthuis; Udo A Th Brinkman
Comparative study on the determination of the anti-neoplastic drug teniposide in plasma using micellar liquid chromatography and surfactant-mediated plasma clean-up.
Journal of chromatography 1991;567(1):161-74.
1991: G M Binnendijk; M M Aerts; H J Keukens; Udo A Th Brinkman
Optimization and ruggedness testing of the determination of residues of carbadox and metabolites in products of animal origin. Stability studies in animal tissues.
Journal of chromatography 1991;541(1-2):401-10.
1991: P J Kwakman; D A Kamminga; Udo A Th Brinkman; G J de Jong
Liquid chromatographic determination of oestradiol in serum by pre-column derivatization with dansyl chloride or laryl chloride and peroxyoxalate chemiluminescence detection.
Journal of pharmaceutical and biomedical analysis 1991;9(9):753-9.
1990: Cornelis J De Ruiter; J H Brinkman; R W Frei; H Lingeman; Udo A Th Brinkman; P van Zoonen
Liquid chromatographic determination of pentachlorophenol in serum, using pre-column phase-transfer catalysed dansylation and post-column photolysis with fluorescence detection.
The Analyst 1990;115(8):1033-6.
1990: P J Kwakman; H Koelewijn; I Kool; Udo A Th Brinkman; G J De Jong
Naphthalene- and anthracene-2,3-dialdehyde as precolumn labelling reagents for primary amines using reversed- and normal-phase liquid chromatography with peroxyoxalate chemiluminescence detection.
Journal of chromatography 1990;511():155-66.
1990: M M Aerts; W M Beek; Udo A Th Brinkman
On-line combination of dialysis and column-switching liquid chromatography as a fully automated sample preparation technique for biological samples. Determination of nitrofuran residues in edible products.
Journal of chromatography 1990;500():453-68.
1990: F A van der Horst; M H Post; J J Holthuis; Udo A Th Brinkman
Automated high-performance liquid chromatographic determination of plasma free fatty acids using on-line derivatization with 9-bromomethylacridine based on micellar phase-transfer catalysis.
Journal of chromatography 1990;500():443-52.
1990: F A van der Horst; Jan Teeuwsen; J J Holthuis; Udo A Th Brinkman
High-performance liquid chromatographic determination of amantadine in urine after micelle-mediated pre-column derivatization with 1-fluoro-2,4-dinitrobenzene.
Journal of pharmaceutical and biomedical analysis 1990;8(8-12):799-804.
1989: Udo A Th Brinkman; R W Frei; H Lingeman
Post-column reactors for sensitive and selective detection in high-performance liquid chromatography: categorization and applications.
Journal of chromatography 1989;492():251-98.
1989: H Irth; R Tocklu; K Welten; G J de Jong; Udo A Th Brinkman; R W Frei
Trace-level determination of 3'-azido-3'-deoxythymidine in human plasma by preconcentration on a silver (I)-thiol stationary phase with on-line reversed-phase high-performance liquid chromatography.
Journal of chromatography 1989;491(2):321-30.
1989: Willem Haasnoot; Robert Schilt; Astrid R M Hamers; F A Huf; A Farjam; R W Frei; Udo A Th Brinkman
Determination of beta-19-nortestosterone and its metabolite alpha-19-nortestosterone in biological samples at the sub parts per billion level by high-performance liquid chromatography with on-line immunoaffinity sample pretreatment.
Journal of chromatography 1989;489(1):157-71.
1989: H Irth; R Tocklu; K Welten; G J de Jong; R W Frei; Udo A Th Brinkman
Trace enrichment on a metal-loaded thiol stationary phase in liquid chromatography: effect of analyte structure and pH value on the (de)sorption behaviour.
Journal of pharmaceutical and biomedical analysis 1989;7(12):1679-90.
1988: M M Aerts; W M Beek; H J Keukens; Udo A Th Brinkman
Determination of residues of carbadox and some of its metabolites in swine tissues by high-performance liquid chromatography using on-line pre-column enrichment and post-column derivatization with UV-VIS detection.
Journal of chromatography 1988;456(1):105-19.
1988: A Farjam; G J de Jong; R W Frei; Udo A Th Brinkman; Willem Haasnoot; Astrid R M Hamers; Robert Schilt; F A Huf
Immunoaffinity pre-column for selective on-line sample pre-treatment in high-performance liquid chromatography determination of 19-nortestosterone.
Journal of chromatography 1988;452():419-33.
1988: H Jansen; Udo A Th Brinkman; R W Frei
Stereoselective determination of L-amino acids using column liquid chromatography with an enzymatic solid-phase reactor and chemiluminescence detection.
Journal of chromatography 1988;440():217-23.
1988: Cornelis J De Ruiter; R R Otten; Udo A Th Brinkman; R W Frei
Rapid and simple dansylation of phenolic steroids using a two-phase system and phase transfer catalysis.
Journal of chromatography 1988;436(3):429-36.
1988: H Irth; G J de Jong; Udo A Th Brinkman; R W Frei
Determination of disulfiram and two of its metabolites in urine by reversed-phase liquid chromatography and spectrophotometric detection after post-column complexation.
Journal of chromatography 1988;424(1):95-102.
1988: M M Aerts; W M Beek; Udo A Th Brinkman
Monitoring of veterinary drug residues by a combination of continuous flow techniques and column-switching high-performance liquid chromatography. I. Sulphonamides in egg, meat and milk using post-column derivatization with dimethylaminobenzaldehyde.
Journal of chromatography 1988;435(1):97-112.
1987: M W Nielen; R E van Soest; H E van Ingen; A Farjam; R W Frei; Udo A Th Brinkman
Selective on-line trace enrichment for the determination of ethynyl steroids in urine by liquid chromatography with precolumn technology.
Journal of chromatography 1987;417(1):159-67.
1987: D Barceló; F A Maris; R B Geerdink; R W Frei; G J de Jong; Udo A Th Brinkman
Comparison between positive, negative and chloride-enhanced negative chemical ionization of organophosphorus pesticides in on-line liquid chromatography-mass spectrometry.
Journal of chromatography 1987;394(1):65-76.
1987: M W Nielen; A J Valk; R W Frei; Udo A Th Brinkman; P Mussche; R De Nijs; B Ooms; W Smink
Fully automated sample handling system for liquid chromatography based on pre-column technology and automated cartridge exchange.
Journal of chromatography 1987;393(1):69-83.
1987: K Slais; M W Nielen; Udo A Th Brinkman; R W Frei
Screening of amphetamines by gradient microbore liquid chromatography and pre-column technology.
Journal of chromatography 1987;393(1):57-68.
1987: A de Kok; E Rijnierse; M Amoureus; R B Geerdink; Udo A Th Brinkman
Gas and liquid chromatography of hydroxybiphenyls, chlorinated hydroxybiphenyls and several types of halogenated derivatives. I. Capillary gas chromatography and mass spectrometry.
International journal of environmental analytical chemistry 1987;29(3):227-47.
1986: H Irth; G J de Jong; Udo A Th Brinkman; R W Frei
Metallic copper-containing post-column reactor for the detection of thiram and disulfiram in liquid chromatography.
Journal of chromatography 1986;370(3):439-47.
1986: J De Jong; M W Nielen; R W Frei; Udo A Th Brinkman
Selective on-line sample handling for the determination of barbiturates in urine by liquid chromatography with precolumn technology.
Journal of chromatography 1986;381(2):431-7.
1986: C E Goewie; R J Berkhof; F A Maris; M Treskes; Udo A Th Brinkman
Determination of pentachlorophenol in wood samples using liquid chromatography with UV absorbance, amperometric and electron-capture detection.
International journal of environmental analytical chemistry 1986;26(3-4):305-18.
1986: R W Frei; M W Nielen; Udo A Th Brinkman
Handling of environmental and biological samples via pre-column technologies.
International journal of environmental analytical chemistry 1986;25(1-3):3-35.
1985: F A Maris; R B Geerdink; R van Delft; Udo A Th Brinkman
Determination of chloroxuron in strawberries using liquid chromatography with electron-capture detection.
Bulletin of environmental contamination and toxicology 1985;35(6):711-5.
1984: A de Kok; M van Opstal; T de Jong; B Hoogcarspel; R B Geerdink; R W Frei; Udo A Th Brinkman
The use of various chromatographic techniques for the determination of phenylurea herbicides and their corresponding anilines in environmental samples. II. Applications.
International journal of environmental analytical chemistry 1984;18(1-2):101-23.
1984: P de Voogt; J C Klamer; Udo A Th Brinkman
Identification and quantification of polychlorinated biphenyls in paper and paper board using fused silica capillary gas chromatography.
Bulletin of environmental contamination and toxicology 1984;32(1):45-52.
1983: C E Werkhoven-Goewie; Udo A Th Brinkman; R W Frei; Cornelis J De Ruiter; J de Vries
Automated liquid chromatographic analysis of the anti-tumorigenic drugs etoposide (VP 16-213) and teniposide (VM 26).
Journal of chromatography 1983;276(2):349-57.
1983: C E Werkhoven-Goewie; Cornelis J De Ruiter; Udo A Th Brinkman; R W Frei; G J de Jong; C J Little; O Stahel
Automated determination of drugs in blood samples after enzymatic hydrolysis using precolumn switching and post-column reaction detection.
Journal of chromatography 1983;255():79-90.
1982: A de Kok; R B Geerdink; G de Vries; Udo A Th Brinkman
An evaluation of chromatographic methods for the analysis of polychlorinated terphenyls in environmental samples.
International journal of environmental analytical chemistry 1982;12(2):99-122.
1981: R J Reddingius; G J de Jong; Udo A Th Brinkman; R W Frei
Sample extraction detector for the liquid chromatographic determination of secoverine in biological samples.
Journal of chromatography 1981;205(1):77-84.
1981: C E Werkhoven-Goewie; W M Niessen; Udo A Th Brinkman; R W Frei
Liquid chromatographic detector for organosulphur compounds based on a ligand-exchange reaction.
Journal of chromatography 1981;203():165-72.