Udo A.Th. Brinkman - Publications

Affiliations: 
Vrije Universiteit Amsterdam, Amsterdam, Netherlands 

158 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2011 van Stee LL, Brinkman UA. 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. 1218: 7878-85. PMID 21944849 DOI: 10.1016/J.Chroma.2011.08.081  0.368
2008 Haglund P, Korytár P, Danielsson C, Diaz J, Wiberg K, Leonards P, Brinkman UA, de Boer J. GC x GC-ECD: a promising method for the determination of dioxins and dioxin-like PCBs in food and feed. Analytical and Bioanalytical Chemistry. 390: 1815-27. PMID 18256808 DOI: 10.1007/S00216-008-1896-0  0.409
2008 de Koning S, Kaal E, Janssen HG, van Platerink C, Brinkman UA. 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. 1186: 228-35. PMID 17628576 DOI: 10.1016/J.Chroma.2007.05.066  0.349
2006 de Rijke E, Out P, Niessen WM, Ariese F, Gooijer C, Brinkman UA. Analytical separation and detection methods for flavonoids. Journal of Chromatography. A. 1112: 31-63. PMID 16480997 DOI: 10.1016/J.Chroma.2006.01.019  0.458
2005 Korytár P, Covaci A, Leonards PE, de Boer J, Brinkman UA. Comprehensive two-dimensional gas chromatography of polybrominated diphenyl ethers. Journal of Chromatography. A. 1100: 200-7. PMID 16242135 DOI: 10.1016/J.Chroma.2005.09.038  0.311
2005 De Rijke E, Aardenburg L, Van Dijk J, Ariese F, Ernst WH, Gooijer C, Brinkman UA. Changed isoflavone levels in red clover (Trifolium pratense L.) leaves with disturbed root nodulation in response to waterlogging. Journal of Chemical Ecology. 31: 1285-98. PMID 16222771 DOI: 10.1007/S10886-005-5286-1  0.3
2005 Beens J, Janssen HG, Adahchour M, Brinkman UA. Flow regime at ambient outlet pressure and its influence in comprehensive two-dimensional gas chromatography. Journal of Chromatography. A. 1086: 141-50. PMID 16130666 DOI: 10.1016/J.Chroma.2005.05.086  0.379
2005 Adahchour M, Jover E, Beens J, Vreuls RJ, Brinkman UA. Twin comprehensive two-dimensional gas chromatographic system: concept and applications. Journal of Chromatography. A. 1086: 128-34. PMID 16130664 DOI: 10.1016/J.Chroma.2004.12.021  0.354
2005 Adahchour M, Wiewel J, Verdel R, Vreuls RJ, Brinkman UA. Improved determination of flavour compounds in butter by solid-phase (micro)extraction and comprehensive two-dimensional gas chromatography. Journal of Chromatography. A. 1086: 99-106. PMID 16130660 DOI: 10.1016/J.Chroma.2005.05.094  0.457
2005 Danielsson C, Wiberg K, Korytár P, Bergek S, Brinkman UA, Haglund P. 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. 1086: 61-70. PMID 16130656 DOI: 10.1016/J.Chroma.2004.11.071  0.313
2005 Jover E, Adahchour M, Bayona JM, Vreuls RJ, Brinkman UA. Characterization of lipids in complex samples using comprehensive two-dimensional gas chromatography with time-of-flight mass spectrometry. Journal of Chromatography. A. 1086: 2-11. PMID 16130651 DOI: 10.1016/J.Chroma.2005.05.093  0.431
2005 Kristenson EM, Neidig HC, Vreuls RJ, Brinkman UA. Fast miniaturised sample preparation for the screening and comprehensive two-dimensional gas chromatographic determination of polychlorinated biphenyls in sludge. Journal of Separation Science. 28: 1121-8. PMID 16116987 DOI: 10.1002/Jssc.200301733  0.426
2005 Adahchour M, Brandt M, Baier HU, Vreuls RJ, Batenburg AM, Brinkman UA. Comprehensive two-dimensional gas chromatography coupled to a rapid-scanning quadrupole mass spectrometer: principles and applications. Journal of Chromatography. A. 1067: 245-54. PMID 15844530 DOI: 10.1016/J.Chroma.2004.09.094  0.394
2005 Stolker AA, Brinkman UA. Analytical strategies for residue analysis of veterinary drugs and growth-promoting agents in food-producing animals--a review. Journal of Chromatography. A. 1067: 15-53. PMID 15844509 DOI: 10.1016/j.chroma.2005.02.037  0.371
2005 Korytár P, Covaci A, de Boer J, Gelbin A, Brinkman UA. Retention-time database of 126 polybrominated diphenyl ether congeners and two bromkal technical mixtures on seven capillary gas chromatographic columns. Journal of Chromatography. A. 1065: 239-49. PMID 15782970 DOI: 10.1016/J.Chroma.2004.12.059  0.443
2005 Beens J, Brinkman UA. Comprehensive two-dimensional gas chromatography--a powerful and versatile technique. The Analyst. 130: 123-7. PMID 15732193 DOI: 10.1039/B407372J  0.377
2005 de Boer J, Wester PG, Evers EH, Brinkman UA. Determination of tris(4-chlorophenyl)methanol and tris(4-chlorophenyl)methane in fish, marine mammals and sediment. Environmental Pollution (Barking, Essex : 1987). 93: 39-47. PMID 15091367 DOI: 10.1016/0269-7491(96)00017-6  0.403
2004 Kristenson EM, Angioi S, Vreuls RJ, Gennaro MC, Brinkman UA. Miniaturised pressurised liquid extraction of chloroanilines from soil with subsequent analysis by large-volume injection-gas chromatography-mass spectrometry. Journal of Chromatography. A. 1058: 243-9. PMID 15595674 DOI: 10.1016/J.Chroma.2004.05.044  0.462
2004 de Koning S, Janssen HG, Brinkman UA. 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. 1058: 217-21. PMID 15595671 DOI: 10.1016/J.Chroma.2004.08.083  0.476
2004 Adahchour M, Beens J, Vreuls RJ, Batenburg AM, Brinkman UA. Comprehensive two-dimensional gas chromatography of complex samples by using a 'reversed-type' column combination: application to food analysis. Journal of Chromatography. A. 1054: 47-55. PMID 15553130 DOI: 10.1016/J.Chroma.2004.07.084  0.419
2004 de Rijke E, de Kanter F, Ariese F, Brinkman UA, Gooijer C. Liquid chromatography coupled to nuclear magnetic resonance spectroscopy for the identification of isoflavone glucoside malonates in T. pratense L. leaves. Journal of Separation Science. 27: 1061-70. PMID 15495407 DOI: 10.1002/Jssc.200401844  0.319
2004 de Koning S, Janssen HG, van Deursen M, Brinkman UA. 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. 27: 397-409. PMID 15335075 DOI: 10.1002/Jssc.200301676  0.469
2004 Korytár P, Danielsson C, Leonards PE, Haglund P, de Boer J, Brinkman UA. 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. 1038: 189-99. PMID 15233534 DOI: 10.1016/j.chroma.2004.03.026  0.346
2004 Stolker AL, Niesing W, Fuchs R, Vreeken RJ, Niessen WM, Brinkman UA. Liquid chromatography with triple-quadrupole and quadrupole-time-of-flight mass spectrometry for the determination of micro-constituents - a comparison. Analytical and Bioanalytical Chemistry. 378: 1754-61. PMID 14762646 DOI: 10.1007/S00216-003-2485-X  0.399
2004 de Koning S, Kurano M, Janssen HG, Brinkman UA. AT-column, a novel concentrating technique for large-volume injections in gas chromatography. Journal of Chromatography. A. 1023: 165-74. PMID 14753682 DOI: 10.1016/J.Chroma.2003.10.031  0.41
2004 Stolker AA, Linders SH, van Ginkel LA, Brinkman UA. Application of the revised EU criteria for the confirmation of anabolic steroids in meat using GC-MS. Analytical and Bioanalytical Chemistry. 378: 1313-21. PMID 14735271 DOI: 10.1007/S00216-003-2456-2  0.359
2004 de Rijke E, Zappey H, Ariese F, Gooijer C, Brinkman UA. 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. 378: 995-1006. PMID 14658023 DOI: 10.1007/S00216-003-2310-6  0.342
2004 Stolker AA, Niesing W, Hogendoorn EA, Versteegh JF, Fuchs R, Brinkman UA. 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. 378: 955-63. PMID 14564445 DOI: 10.1007/S00216-003-2253-Y  0.404
2003 Adahchour M, van Stee LL, Beens J, Vreuls RJ, Batenburg MA, Brinkman UA. 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. 1019: 157-72. PMID 14650612 DOI: 10.1016/S0021-9673(03)01131-2  0.439
2003 van Stee LL, Beens J, Vreuls RJ, Brinkman UA. 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. 1019: 89-99. PMID 14650607 DOI: 10.1016/S0021-9673(03)01301-3  0.412
2003 Kristenson EM, Korytár P, Danielsson C, Kallio M, Brandt M, Mäkelä J, Vreuls RJ, Beens J, Brinkman UA. Evaluation of modulators and electron-capture detectors for comprehensive two-dimensional GC of halogenated organic compounds. Journal of Chromatography. A. 1019: 65-77. PMID 14650605 DOI: 10.1016/S0021-9673(03)01237-8  0.345
2003 Dijkstra RJ, Efremov EV, Ariese F, Brinkman UA, Gooijer C. Capillary electrophoresis coupled on-line with ultraviolet resonance Raman spectroscopy. Analytical Chemistry. 75: 5697-702. PMID 14588008 DOI: 10.1021/Ac034555Z  0.34
2003 de Koning S, Lach G, Linkerhägner M, Löscher R, Horst Tablack P, Brinkman UA. Trace-level determination of pesticides in food using difficult matrix introduction-gas chromatography-time-of-flight mass spectrometry. Journal of Chromatography. A. 1008: 247-52. PMID 12967188 DOI: 10.1016/S0021-9673(03)00937-3  0.435
2003 Wilson ID, Brinkman UA. Hyphenation and hypernation the practice and prospects of multiple hyphenation. Journal of Chromatography. A. 1000: 325-56. PMID 12877178 DOI: 10.1016/S0021-9673(03)00504-1  0.315
2003 Dallüge J, Beens J, Brinkman UA. Comprehensive two-dimensional gas chromatography: a powerful and versatile analytical tool. Journal of Chromatography. A. 1000: 69-108. PMID 12877167 DOI: 10.1016/S0021-9673(03)00242-5  0.401
2003 de Rijke E, Zappey H, Ariese F, Gooijer C, Brinkman UA. 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. 984: 45-58. PMID 12564675 DOI: 10.1016/S0021-9673(02)01868-X  0.394
2002 Luthe G, Stroomberg GJ, Ariese F, Brinkman UA, van Straalen NM. Metabolism of 1-fluoropyrene and pyrene in marine flatfish and terrestrial isopods. Environmental Toxicology and Pharmacology. 12: 221-9. PMID 21782641 DOI: 10.1016/S1382-6689(02)00093-5  0.347
2002 Hooijschuur EW, Kientz CE, Brinkman UA. Analytical separation techniques for the determination of chemical warfare agents. Journal of Chromatography. A. 982: 177-200. PMID 12489875 DOI: 10.1016/S0021-9673(02)01426-7  0.38
2002 Dallüge J, van Stee LL, Xu X, Williams J, Beens J, Vreuls RJ, Brinkman UA. Unravelling the composition of very complex samples by comprehensive gas chromatography coupled to time-of-flight mass spectrometry. Cigarette smoke. Journal of Chromatography. A. 974: 169-84. PMID 12458936 DOI: 10.1016/S0021-9673(02)01384-5  0.387
2002 Kristenson EM, Kamminga DA, Catalina MI, Espiga C, Vreuls RJ, Brinkman UA. Role of the retaining precolumn in large-volume on-column injections of volatiles to gas chromatography. Journal of Chromatography. A. 975: 95-104. PMID 12458750 DOI: 10.1016/S0021-9673(02)01330-4  0.498
2002 van Stee LL, Leonards PE, van Loon WM, Hendriks AJ, Maas JL, Struijs J, Brinkman UA. 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. 36: 4455-70. PMID 12418648 DOI: 10.1016/S0043-1354(02)00177-X  0.415
2002 Kuijt J, Roman DA, Ariese F, Brinkman UA, Gooijer C. Quenched phosphorescence detection in cyclodextrin-based electrokinetic chromatography. Analytical Chemistry. 74: 5139-45. PMID 12380841 DOI: 10.1021/Ac020270V  0.443
2002 Geerdink RB, Niessen WM, Brinkman UA. Trace-level determination of pesticides in water by means of liquid and gas chromatography. Journal of Chromatography. A. 970: 65-93. PMID 12350103 DOI: 10.1016/S0021-9673(02)00234-0  0.367
2002 Dallüge J, van Rijn M, Beens J, Vreuls RJ, Brinkman UA. 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. 965: 207-17. PMID 12236526 DOI: 10.1016/S0021-9673(01)01324-3  0.421
2002 van Rhijn JA, Lasaroms JJ, Berendsen BJ, Brinkman UA. Liquid chromatographic-tandem mass spectrometric determination of selected sulphonamides in milk. Journal of Chromatography. A. 960: 121-33. PMID 12150549  0.341
2002 Stolker AA, Zoontjes PW, Schwillens PL, Kootstra PR, van Ginkel LA, Stephany RW, Brinkman UA. Determination of acetyl gestagenic steroids in kidney fat by automated supercritical fluid extraction and liquid chromatography ion-trap mass spectrometry. The Analyst. 127: 748-54. PMID 12146906 DOI: 10.1039/B201268P  0.486
2002 Blokker P, Pel R, Akoto L, Brinkman UA, Vreuls RJ. At-line gas chromatographic-mass spectrometric analysis of fatty acid profiles of green microalgae using a direct thermal desorption interface. Journal of Chromatography. A. 959: 191-201. PMID 12141545 DOI: 10.1016/S0021-9673(02)00463-6  0.35
2002 Korytár P, Leonards PE, de Boer J, Brinkman UA. High-resolution separation of polychlorinated biphenyls by comprehensive two-dimensional gas chromatography. Journal of Chromatography. A. 958: 203-18. PMID 12134818  0.315
2002 Jüngel P, de Koning S, Brinkman UA, Melcher E. 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. 953: 199-205. PMID 12058933 DOI: 10.1016/S0021-9673(02)00120-6  0.395
2001 De Rijke E, Zafra-Gómez A, Ariese F, Brinkman UA, Gooije C. Determination of isoflavone glucoside malonates in Trifolium pratense L. (red clover) extracts: quantification and stability studies. Journal of Chromatography. A. 932: 55-64. PMID 11695868 DOI: 10.1016/S0021-9673(01)01231-6  0.423
2001 Dijkstra RJ, Martha CT, Ariese F, Brinkman UA, Gooijer C. On-line identification method in column liquid chromatography: UV resonance Raman spectroscopy. Analytical Chemistry. 73: 4977-82. PMID 11681475 DOI: 10.1021/Ac0103569  0.471
2001 van Rhij JA, Heskamp HH, Davelaar E, Jordi W, Leloux MS, Brinkman UA. 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. 929: 31-42. PMID 11594401  0.329
2001 Hooijschuur EW, Kientz CE, Brinkman UA. 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. 928: 187-99. PMID 11587337 DOI: 10.1016/S0021-9673(01)01133-5  0.439
2001 de Koning S, van der Meer B, Alkema G, Janssen HG, Brinkman UA. Automated determination of fatty acid methyl ester and cis/trans methyl ester composition of fats and oils. Journal of Chromatography. A. 922: 391-7. PMID 11486889 DOI: 10.1016/S0021-9673(01)00926-8  0.33
2001 Veraart JR, Brinkman UA. Dialysis-solid-phase extraction combined on-line with non-aqueous capillary electrophoresis for improved detectability of tricyclic antidepressants in biological samples. Journal of Chromatography. A. 922: 339-46. PMID 11486880  0.401
2001 Beens J, Adahchour M, Vreuls RJ, van Altena K, Brinkman UA. Simple, non-moving modulation interface for comprehensive two-dimensional gas chromatography. Journal of Chromatography. A. 919: 127-32. PMID 11459298 DOI: 10.1016/S0021-9673(01)00785-3  0.403
2001 Kristenson EM, Haverkate EG, Slooten CJ, Ramos L, Vreuls RJ, Brinkman UA. Miniaturized automated matrix solid-phase dispersion extraction of pesticides in fruit followed by gas chromatographic-mass spectrometric analysis. Journal of Chromatography. A. 917: 277-86. PMID 11403479 DOI: 10.1016/S0021-9673(01)00677-X  0.493
2001 de Geus HJ, Aidos I, de Boer J, Luten JB, Brinkman UA. Characterisation of fatty acids in biological oil samples using comprehensive multidimensional gas chromatography. Journal of Chromatography. A. 910: 95-103. PMID 11263580 DOI: 10.1016/S0021-9673(00)01183-3  0.34
2001 Hooijschuur EW, Kientz CE, Brinkman UA. Determination of alkylphosphonic acids by microcolumn liquid chromatography with gradient elution coupled on-line with flame photometric detection. Journal of Chromatography. A. 907: 165-72. PMID 11217022 DOI: 10.1016/S0021-9673(00)01005-0  0.516
2000 Steen RJ, Van Hattum B, Brinkman UA. 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. 2: 597-602. PMID 11296748 DOI: 10.1039/B004734L  0.455
2000 de Geus HJ, Wester PG, Schelvis A, de Boer J, Brinkman UA. Toxaphene: a challenging analytical problem. Journal of Environmental Monitoring : Jem. 2: 503-11. PMID 11254057  0.316
2000 Seifar RM, Altelaar MA, Dijkstra RJ, Ariese F, Brinkman UA, Gooijer C. Surface-enhanced resonance Raman spectroscopy as an identification tool in column liquid chromatography. Analytical Chemistry. 72: 5718-24. PMID 11101253 DOI: 10.1021/Ac000514G  0.445
2000 Slobodník J, Ramalho S, van Baar BL, Louter AJ, Brinkman UA. Determination of microcontaminants in sediments by on-line solid-phase extraction-gas chromatography-mass spectrometry. Chemosphere. 41: 1469-78. PMID 11057585  0.388
2000 Hogenboom AC, Hofman MP, Kok SJ, Niessen WM, Brinkman UA. Determination of pesticides in vegetables using large-volume injection column liquid chromatography-electrospray tandem mass spectrometry. Journal of Chromatography. A. 892: 379-90. PMID 11045499  0.433
2000 Ramos L, Vreuls JJ, Brinkman UA. Miniaturised pressurised liquid extraction of polycyclic aromatic hydrocarbons from soil and sediment with subsequent large-volume injection-gas chromatography. Journal of Chromatography. A. 891: 275-86. PMID 11043788  0.369
2000 Stolke AAM, Schwillens PLWJ, van Ginkel LA, Brinkman UA. Comparison of different liquid chromatography methods for the determination of corticosteroids in biological matrices. Journal of Chromatography. A. 893: 55-67. PMID 11043587  0.396
2000 Hogenboom AC, Hofman MP, Jolly DA, Niessen WM, Brinkman UA. 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. 885: 377-88. PMID 10941685 DOI: 10.1016/S0021-9673(00)00388-5  0.499
2000 Catalina MI, Dallüge J, Vreuls RJ, Brinkman UA. 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. 877: 153-66. PMID 10845797 DOI: 10.1016/S0021-9673(00)00242-9  0.458
2000 De Geus HJ, Wester PG, de Boer J, Brinkman UA. Enantiomer fractions instead of enantiomer ratios. Chemosphere. 41: 725-7. PMID 10834374 DOI: 10.1016/S0045-6535(99)00431-2  0.321
2000 Kuijt J, Brinkman UA, Gooijer C. Quenched phosphorescence, a new detection method in capillary electrophoresis. Electrophoresis. 21: 1305-11. PMID 10826674 DOI: 10.1002/(Sici)1522-2683(20000401)21:7<1305::Aid-Elps1305>3.0.Co;2-U  0.35
2000 Hooijschuur EW, Kientz CE, Hulst AG, Brinkman UA. Determination of hydrolysis products of sulfur mustards by reversed-phase microcolumn liquid chromatography coupled on-line with sulfur flame photometric detection and electrospray ionization mass spectrometry using large-volume injections and peak compression Analytical Chemistry. 72: 1199-206. PMID 10740860 DOI: 10.1021/Ac991035O  0.503
2000 Adahchour M, Vreuls RJ, van der Heijden A, Brinkman UA. Trace-level determination of polar flavour compounds in butter by solid-phase extraction and gas chromatography-mass spectrometry. Journal of Chromatography. A. 844: 295-305. PMID 10399332 DOI: 10.1016/S0021-9673(99)00351-9  0.487
1999 Kuijt J, Brinkman UA, Gooijer C. Sensitized and quenched phosphorescence as a detection mode in capillary electrophoresis. Analytical Chemistry. 71: 1384-90. PMID 21662961 DOI: 10.1021/Ac981130H  0.385
1999 Noroozian E, Lagerwerf F, Lingeman H, Brinkman UA, Kerkhoff MA. Determination of roquefortine C in blue cheese using on-line column-switching liquid chromatography Journal of Pharmaceutical and Biomedical Analysis. 20: 611-619. PMID 10701979  0.345
1999 Geerdink RB, Kooistra-Sijpersma A, Tiesnitsch J, Kienhuis PG, Brinkman UA. 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. 863: 147-55. PMID 10593495 DOI: 10.1016/S0021-9673(99)00898-5  0.519
1999 Steen RJ, Hogenboom AC, Leonards PE, Peerboom RA, Cofino WP, Brinkman UA. 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. 857: 157-66. PMID 10536834 DOI: 10.1016/S0021-9673(99)00772-4  0.484
1999 Vreuls JJ, Louter AJ, Brinkman UA. On-line combination of aqueous-sample preparation and capillary gas chromatography. Journal of Chromatography. A. 856: 279-314. PMID 10526793 DOI: 10.1016/s0021-9673(99)00432-x  0.431
1999 Somsen GW, Gooijer C, Brinkman UA. Liquid chromatography-Fourier-transform infrared spectrometry. Journal of Chromatography. A. 856: 213-42. PMID 10526790 DOI: 10.1016/S0021-9673(99)00280-0  0.366
1999 Hooijschuur EW, Kientz CE, Brinkman UA. 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. 849: 433-44. PMID 10457441 DOI: 10.1016/S0021-9673(99)00612-3  0.497
1999 Louter AJ, Vreuls JJ, Brinkman UA. On-line combination of aqueous-sample preparation and capillary gas chromatography. Journal of Chromatography. A. 842: 391-426. PMID 10377972 DOI: 10.1016/S0021-9673(99)00211-3  0.512
1999 Hogenboom AC, Niessen WM, Brinkman UA. 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. 841: 33-44. PMID 10360327 DOI: 10.1016/S0021-9673(99)00268-X  0.474
1999 Dallüge J, Hankemeier T, Vreuls RJ, Brinkman UA. 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. 830: 377-86. PMID 10048199 DOI: 10.1016/S0021-9673(98)00932-7  0.53
1999 Hogenboom AC, Niessen WM, Little D, Brinkman UA. 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. 13: 125-33. PMID 9951412 DOI: 10.1002/(Sici)1097-0231(19990130)13:2<125::Aid-Rcm473>3.0.Co;2-S  0.457
1998 Veraart JR, Gooijer C, Lingeman H, Velthorst NH, Brinkman UA. Determination of phenprocoumon in plasma and urine using at-line solid-phase extraction-capillary electrophoresis. Journal of Pharmaceutical and Biomedical Analysis. 17: 1161-6. PMID 9884206 DOI: 10.1016/S0731-7085(98)00082-X  0.348
1998 Veraart JR, van Hekezen J, Groot MC, Gooijer C, Lingeman H, Velthorst NH, Brinkman UA. On-line dialysis solid-phase extraction coupled to capillary electrophoresis. Electrophoresis. 19: 2944-9. PMID 9870394 DOI: 10.1002/Elps.1150191625  0.398
1998 Kok SJ, Velthorst NH, Gooijer C, Brinkman UA. Analyte identification in capillary electrophoretic separation techniques. Electrophoresis. 19: 2753-76. PMID 9870373 DOI: 10.1002/Elps.1150191604  0.409
1998 Veraart JR, Gooijer C, Lingeman H, Velthorst NH, Brinkman UA. At-line solid-phase extraction for capillary electrophoresis: application to negatively charged solutes. Journal of Chromatography. B, Biomedical Sciences and Applications. 719: 199-208. PMID 9869380 DOI: 10.1016/S0378-4347(98)00410-1  0.442
1998 Steijger OM, Kamminga DA, Lingeman H, Brinkman UA. An acridinium sulphonylamide as a new chemiluminescent label for the determination of carboxylic acids in liquid chromatography. Journal of Bioluminescence and Chemiluminescence. 13: 31-40. PMID 9608364 DOI: 10.1002/(Sici)1099-1271(199801/02)13:1<31::Aid-Bio468>3.0.Co;2-Z  0.45
1998 Hogenboom AC, Niessen WM, Brinkman UA. 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. 794: 201-10. PMID 9491561 DOI: 10.1016/S0021-9673(97)01139-4  0.458
1997 Hogenboom AC, Speksnijder P, Vreeken RJ, Niessen WM, Brinkman UA. 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. 777: 81-90. PMID 9297841 DOI: 10.1016/S0021-9673(97)00558-X  0.354
1997 Louter AJ, Bosma E, Schipperen JC, Vreuls JJ, Brinkman UA. 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. 689: 35-43. PMID 9061480 DOI: 10.1016/S0378-4347(96)00345-3  0.491
1997 Vreuls JJ, Swen RJ, Goudriaan VP, Kerkhoff MA, Jongenotter GA, Brinkman UA. Automated on-line gel permeation chromatography-gas chromatography for the determination of organophosphorus pesticides in olive oil. Journal of Chromatography. A. 750: 275-86. PMID 8938390 DOI: 10.1016/0021-9673(96)00581-X  0.457
1997 Slobodník J, Oztezkizan O, Lingeman H, Brinkman UA. 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. 750: 227-38. PMID 8938388 DOI: 10.1016/0021-9673(96)00472-4  0.366
1997 Herráez-Hernández R, Louter AJ, van de Merbel NC, Brinkman UA. Automated on-line dialysis for sample preparation for gas chromatography: determination of benzodiazepines in human plasma. Journal of Pharmaceutical and Biomedical Analysis. 14: 1077-87. PMID 8818018 DOI: 10.1016/0731-7085(95)01703-8  0.474
1996 Somsen GW, Hooijschuur EW, Gooijer C, Brinkman UA, Velthorst NH, Visser T. Coupling of reversed-phase liquid column chromatography and fourier transform infrared spectrometry using postcolumn on-line extraction and solvent elimination. Analytical Chemistry. 68: 746-52. PMID 21619168 DOI: 10.1021/Ac950686R  0.387
1996 van der Hoff GR, van Beuzekom AC, Brinkman UA, Baumann RA, van Zoonen P. Determination of organochlorine compounds in fatty matrices. Application of rapid off-line normal-phase liquid chromatographic clean-up. Journal of Chromatography. A. 754: 487-96. PMID 8997740 DOI: 10.1016/S0021-9673(96)00318-4  0.503
1996 van der Hoff GR, Pelusio F, Brinkman UA, Baumann RA, van Zoonen P. 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. 719: 59-67. PMID 8589837 DOI: 10.1016/0021-9673(95)00142-5  0.485
1996 MOL H, JANSSEN H, CRAMERS C, BRINKMAN U. Large-volume injection in gas chromatographic trace analysis using temperature-programmable (PTV) injectors Trac Trends in Analytical Chemistry. 15: 206-214. DOI: 10.1016/0165-9936(96)00011-8  0.31
1995 Snippe N, van de Merbel NC, Ruiter FP, Steijger OM, Lingeman H, Brinkman UA. 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. 662: 61-70. PMID 7894694 DOI: 10.1016/0378-4347(94)00377-7  0.375
1995 Herráez-Hernández R, van de Merbel NC, Brinkman UA. 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. 666: 127-37. PMID 7655610 DOI: 10.1016/0378-4347(94)00565-M  0.429
1995 Mank AJ, Molenaar EJ, Gooijer C, Lingeman H, Velthorst NH, Brinkman UA. Determination of the anticancer drug metabolite WR1065 using pre-column derivatization and diode laser induced fluorescence detection. Journal of Pharmaceutical and Biomedical Analysis. 13: 255-63. PMID 7619885 DOI: 10.1016/0731-7085(95)01286-T  0.362
1995 Mol HG, Janssen HM, Cramers CA, Vreuls JJ, Brinkman UA. Trace level analysis of micropollutants in aqueous samples using gas chromatography with on-line sample enrichment and large volume injection Journal of Chromatography A. 703: 277-307. DOI: 10.1016/0021-9673(95)00169-N  0.495
1994 Brinkman UA. On-line sample treatment for or via column liquid chromatography. Journal of Chromatography. A. 665: 217-31. PMID 8205231 DOI: 10.1016/0021-9673(94)85052-6  0.41
1994 Pico Y, Louter AJ, Vreuls JJ, Brinkman UA. On-line trace-level enrichment gas chromatography of triazine herbicides, organophosphorus pesticides, and organosulfur compounds from drinking and surface waters. The Analyst. 119: 2025-31. PMID 7978329 DOI: 10.1039/An9941902025  0.461
1993 Steijger OM, Lingeman H, Brinkman UA, Holthuis JJ, Smilde AK, Doornbos DA. Liquid chromatographic analysis of carboxylic acids using N-(4-aminobutyl)-N-ethylisoluminol as chemiluminescent label: determination of ibuprofen in saliva. Journal of Chromatography. 615: 97-110. PMID 8393459 DOI: 10.1016/0378-4347(93)80295-F  0.378
1993 van der Hage ER, van Loon WM, Boon JJ, Lingeman H, Brinkman UA. Combined high-performance aqueous size-exclusion chromatographic and pyrolysis—gas chromatographic—mass spectrometric study of lignosulphonates in pulp mill effluents Journal of Chromatography A. 634: 263-271. DOI: 10.1016/0021-9673(93)83013-I  0.35
1993 Mol HG, Staniewski J, Janssen H, Cramers CA, Ghijsen RT, Brinkman UA. Use of an open-tubular trapping column as phase-switching interface in on-line coupled reversed-phase liquid chromatography—capillary gas chromatography Journal of Chromatography A. 630: 201-212. DOI: 10.1016/0021-9673(93)80457-J  0.441
1992 Kwakman PJ, Kamminga DA, Brinkman UA, de Jong GJ. 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. 9: 753-9. PMID 1821153 DOI: 10.1016/0731-7085(91)80217-W  0.397
1992 Farjam A, Vreuls JJ, Cuppen WJ, Brinkman UA, de Jong GJ. Direct introduction of large-volume urine samples into an on-line immunoaffinity sample pretreatment-capillary gas chromatography system. Analytical Chemistry. 63: 2481-7. PMID 1763806 DOI: 10.1021/Ac00021A017  0.47
1992 Farjam A, Brugman AE, Lingeman H, Brinkman UA. 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. 116: 891-6. PMID 1759718 DOI: 10.1039/An9911600891  0.463
1992 Farjam A, van de Merbel NC, Nieman AA, Lingeman H, Brinkman UA. Determination of aflatoxin M1 using a dialysis-based immunoaffinity sample pretreatment system coupled on-line to liquid chromatography. Reusable immunoaffinity columns. Journal of Chromatography. 589: 141-9. PMID 1541660 DOI: 10.1016/0021-9673(92)80015-M  0.314
1992 Van de Merbel NC, Teule JM, Lingeman H, Brinkman UA. 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. 10: 225-33. PMID 1356447 DOI: 10.1016/0731-7085(92)80033-J  0.393
1991 van der Horst FA, Teeuwsen J, Holthuis JJ, Brinkman UA. 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. 8: 799-804. PMID 2100626 DOI: 10.1016/0731-7085(90)80124-8  0.416
1990 van der Horst FA, Post MH, Holthuis JJ, Brinkman UA. 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. 500: 443-52. PMID 2329146 DOI: 10.1016/S0021-9673(00)96084-9  0.388
1990 de Ruiter C, Brinkman JH, Frei RW, Lingeman H, Brinkman UA, van Zoonen P. Liquid chromatographic determination of pentachlorophenol in serum, using pre-column phase-transfer catalysed dansylation and post-column photolysis with fluorescence detection. The Analyst. 115: 1033-6. PMID 2256553 DOI: 10.1039/An9901501033  0.635
1990 Kwakman PJ, Koelewijn H, Kool I, Brinkman UA, De Jong GJ. 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. 511: 155-66. PMID 2120277 DOI: 10.1016/S0021-9673(01)93281-9  0.361
1989 Aerts MM, Beek WM, Keukens HJ, Brinkman UA. 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. 456: 105-19. PMID 3243862 DOI: 10.1016/0021-9673(86)80010-3  0.437
1989 Irth H, Tocklu R, Welten K, de Jong GJ, Brinkman UA, Frei RW. 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. 491: 321-30. PMID 2808618 DOI: 10.1016/S0378-4347(00)82850-9  0.718
1989 Haasnoot W, Schilt R, Hamers AR, Huf FA, Farjam A, Frei RW, Brinkman UA. 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. 489: 157-71. PMID 2745646 DOI: 10.1016/S0378-4347(00)82892-3  0.516
1989 Baeyens WR, Ling BL, Brinkman UA, Schulman SG. Principles and applications of luminescence spectrometry coupled to liquid chromatographic techniques. Journal of Bioluminescence and Chemiluminescence. 4: 484-99. PMID 2678924 DOI: 10.1002/Bio.1170040164  0.442
1989 Brinkman UA, Frei RW, Lingeman H. Post-column reactors for sensitive and selective detection in high-performance liquid chromatography: categorization and applications. Journal of Chromatography. 492: 251-98. PMID 2670993 DOI: 10.1016/S0378-4347(00)84471-0  0.63
1989 Irth H, Tocklu R, Welten K, de Jong GJ, Frei RW, Brinkman UA. 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. 7: 1679-90. PMID 2490557 DOI: 10.1016/0731-7085(89)80182-7  0.668
1988 Veltkamp AC, Das HA, Frei RW, Brinkman UA. On-line radiometric determination of [14C]-urapidil and its main metabolises in rat plasma, using post-column ion-pair extraction and solvent segmentation techniques. Journal of Pharmaceutical and Biomedical Analysis. 6: 609-22. PMID 16867326 DOI: 10.1016/0731-7085(88)80074-8  0.592
1988 Jansen H, Brinkman UA, Frei RW. Stereoselective determination of L-amino acids using column liquid chromatography with an enzymatic solid-phase reactor and chemiluminescence detection. Journal of Chromatography. 440: 217-23. PMID 3403663 DOI: 10.1016/S0021-9673(00)94525-4  0.553
1988 De Ruiter C, Otten RR, Brinkman UA, Frei RW. Rapid and simple dansylation of phenolic steroids using a two-phase system and phase transfer catalysis. Journal of Chromatography. 436: 429-36. PMID 3360884 DOI: 10.1016/S0021-9673(00)94602-8  0.563
1988 Farjam A, de Jong GJ, Frei RW, Brinkman UA, Haasnoot W, Hamers AR, Schilt R, Huf FA. Immunoaffinity pre-column for selective on-line sample pre-treatment in high-performance liquid chromatography determination of 19-nortestosterone. Journal of Chromatography. 452: 419-33. PMID 3072346 DOI: 10.1016/S0021-9673(01)81465-5  0.616
1988 Irth H, de Jong GJ, Brinkman UA, Frei RW. 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. 424: 95-102. PMID 2835384 DOI: 10.1016/S0378-4347(00)81079-8  0.688
1987 Nielen MW, van Soest RE, van Ingen HE, Farjam A, Frei RW, Brinkman UA. Selective on-line trace enrichment for the determination of ethynyl steroids in urine by liquid chromatography with precolumn technology. Journal of Chromatography. 417: 159-67. PMID 3624393 DOI: 10.1016/0378-4347(87)80102-0  0.581
1987 Barceló D, Maris FA, Geerdink RB, Frei RW, de Jong GJ, Brinkman UA. Comparison between positive, negative and chloride-enhanced negative chemical ionization of organophosphorus pesticides in on-line liquid chromatography-mass spectrometry. Journal of Chromatography. 394: 65-76. PMID 3597623 DOI: 10.1016/S0021-9673(01)94160-3  0.578
1987 Nielen MW, Valk AJ, Frei RW, Brinkman UA, Mussche P, De Nijs R, Ooms B, Smink W. Fully automated sample handling system for liquid chromatography based on pre-column technology and automated cartridge exchange. Journal of Chromatography. 393: 69-83. PMID 3597600 DOI: 10.1016/S0021-9673(01)94205-0  0.604
1987 Slais K, Nielen MW, Brinkman UA, Frei RW. Screening of amphetamines by gradient microbore liquid chromatography and pre-column technology. Journal of Chromatography. 393: 57-68. PMID 3597599 DOI: 10.1016/S0021-9673(01)94204-9  0.587
1987 de Kok A, Rijnierse E, Amoureus M, Geerdink RB, Brinkman UA. 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. 29: 227-47. PMID 3110079 DOI: 10.1080/03067318708079838  0.411
1987 Veltkamp AC, Das HA, Frei RW, Brinkman UA. On-line low-level radiometric detection of [14C]remoxipride in liquid chromatographic effluents. Application to urine samples. Journal of Chromatography. 384: 357-69. PMID 2880858 DOI: 10.1016/S0021-9673(01)94683-7  0.588
1986 Wolf JH, De Ruiter C, Brinkman UA, Frei RW. Liquid chromatographic determination of a quaternary ammonium-steroidal type drug in plasma with post-column extraction. Journal of Pharmaceutical and Biomedical Analysis. 4: 523-7. PMID 16867590 DOI: 10.1016/0731-7085(86)80075-9  0.579
1986 Irth H, de Jong GJ, Brinkman UA, Frei RW. Metallic copper-containing post-column reactor for the detection of thiram and disulfiram in liquid chromatography. Journal of Chromatography. 370: 439-47. PMID 3818821 DOI: 10.1016/S0021-9673(00)94714-9  0.722
1986 Jansen H, Vermunt CJ, Brinkman UA, Frei RW. Parallel column ion exchange for post-separation pH modification in liquid chromatography. Application to barbiturates and miniaturization. Journal of Chromatography. 366: 135-44. PMID 3782317 DOI: 10.1016/S0021-9673(01)93461-2  0.637
1986 Goewie CE, Berkhof RJ, Maris FA, Treskes M, Brinkman UA. Determination of pentachlorophenol in wood samples using liquid chromatography with UV absorbance, amperometric and electron-capture detection. International Journal of Environmental Analytical Chemistry. 26: 305-18. PMID 3771061 DOI: 10.1080/03067318608077122  0.442
1986 De Jong J, Nielen MW, Frei RW, Brinkman UA. Selective on-line sample handling for the determination of barbiturates in urine by liquid chromatography with precolumn technology. Journal of Chromatography. 381: 431-7. PMID 3760099 DOI: 10.1016/S0378-4347(00)83611-7  0.589
1986 Frei RW, Nielen MW, Brinkman UA. Handling of environmental and biological samples via pre-column technologies. International Journal of Environmental Analytical Chemistry. 25: 3-35. PMID 3744660 DOI: 10.1080/03067318608077075  0.611
1986 Jansen H, van der Velde EG, Brinkman UA, Frei RW. Liquid chromatographic determination of urea and ammonia in body fluids using a post-column enzymatic reactor. Journal of Chromatography. 378: 215-21. PMID 3733973 DOI: 10.1016/S0378-4347(00)80715-X  0.567
1986 Jansen H, van der Velde EG, Brinkman UA, Frei RW, Veening H. Liquid chromatographic determination of guanidines with an anion exchange column used simultaneously as separator and postcolumn reagent generator. Analytical Chemistry. 58: 1380-3. PMID 3728994 DOI: 10.1021/Ac00298A025  0.66
1985 Apffel JA, Van Der Louw J, Lammers KR, Kok WT, Brinkman UA, Frei RW, Burgess C. Analysis of neomycins A, B and C by high-performance liquid chromatography with post-column reaction detection. Journal of Pharmaceutical and Biomedical Analysis. 3: 259-67. PMID 16867686 DOI: 10.1016/0731-7085(85)80031-5  0.61
1985 Kok WT, Halvax JJ, Voogt WH, Brinkman UA, Frei RW. Detection of thioethers of pharmaceutical importance by liquid chromatography with on-line generated bromine. Analytical Chemistry. 57: 2580-3. PMID 4073513 DOI: 10.1021/ac00290a034  0.604
1984 de Kok A, van Opstal M, de Jong T, Hoogcarspel B, Geerdink RB, Frei RW, Brinkman UA. 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. 18: 101-23. PMID 6530327 DOI: 10.1080/03067318408076994  0.634
1984 Kok WT, Groenendijk G, Brinkman UA, Frei RW. Determination of oxalic acid in biological matrices by liquid chromatography with amperometric detection. Journal of Chromatography. 315: 271-8. PMID 6526899 DOI: 10.1016/S0021-9673(01)90744-7  0.621
1983 Kok WT, Brinkman UA, Frei RW. Rapid determination of phenylalanine and tyrosine in urine and serum by HPLC with electrochemical detection. Journal of Pharmaceutical and Biomedical Analysis. 1: 369-72. PMID 16867807 DOI: 10.1016/0731-7085(83)80049-1  0.532
1983 Kok WT, Brinkman UA, Frei RW. Amperometric detection of amino acids in high-performance liquid chromatography with a copper electrode. Journal of Chromatography. 256: 17-26. PMID 6833412 DOI: 10.1016/S0021-9673(01)88208-X  0.579
1983 Werkhoven-Goewie CE, Brinkman UA, Frei RW, de Ruiter C, de Vries J. Automated liquid chromatographic analysis of the anti-tumorigenic drugs etoposide (VP 16-213) and teniposide (VM 26). Journal of Chromatography. 276: 349-57. PMID 6630384 DOI: 10.1016/S0378-4347(00)85101-4  0.606
1983 Werkhoven-Goewie CE, de Ruiter C, Brinkman UA, Frei RW, de Jong GJ, Little CJ, Stahel O. Automated determination of drugs in blood samples after enzymatic hydrolysis using precolumn switching and post-column reaction detection. Journal of Chromatography. 255: 79-90. PMID 6345562 DOI: 10.1016/S0021-9673(01)88275-3  0.618
1982 de Kok A, Geerdink RB, de Vries G, Brinkman UA. An evaluation of chromatographic methods for the analysis of polychlorinated terphenyls in environmental samples. International Journal of Environmental Analytical Chemistry. 12: 99-122. PMID 7129733 DOI: 10.1080/03067318208071574  0.381
1981 Brinkman UA, Welling PL, de Vries G, Scholten AH, Frei RW. Liquid chromatography of demoxepam and phenothiazines using a post-column photochemical reactor and fluorescence detection. Journal of Chromatography. 217: 463-71. PMID 7320117 DOI: 10.1016/S0021-9673(00)88098-X  0.604
1981 Reddingius RJ, de Jong GJ, Brinkman UA, Frei RW. Sample extraction detector for the liquid chromatographic determination of secoverine in biological samples. Journal of Chromatography. 205: 77-84. PMID 7204533 DOI: 10.1016/S0021-9673(00)81815-4  0.639
1981 Werkhoven-Goewie CE, Niessen WM, Brinkman UA, Frei RW. Liquid chromatographic detector for organosulphur compounds based on a ligand-exchange reaction. Journal of Chromatography. 203: 165-72. PMID 7204529 DOI: 10.1016/S0021-9673(00)80290-3  0.567
1980 Scholten AH, Welling PL, Brinkman UA, Frei RW. Use of PTFE coils in post-column photochemical reactors for liquid chromatography--application to pharmaceuticals. Journal of Chromatography. 199: 239-48. PMID 7451602 DOI: 10.1016/S0021-9673(01)91376-7  0.578
1980 van Buuren C, Lawrence JF, Brinkman UA, Honigberg IL, Frei RW. Reversed-phase liquid chromatography of basic drugs and pesticides with a fluorigenicion-pair extraction detector. Analytical Chemistry. 52: 700-4. PMID 7396203 DOI: 10.1021/AC50054A025  0.591
1977 de Kok JJ, de Kok A, Brinkman UA, Kok RM. Analysis of polybrominated biphenyls. Journal of Chromatography. 142: 367-83. PMID 199610 DOI: 10.1016/S0021-9673(01)92051-5  0.339
1976 Brinkman UA, De Kok A, De Vries G, Reymer HG. High-speed liquid and thin-layer chromatography of polychlorinated biphenyls. Journal of Chromatography. 128: 101-10. PMID 186470 DOI: 10.1016/S0021-9673(00)84035-2  0.325
1976 Brinkman UA, Seetz JW, Reymer HG. High-speed liquid chromatography of polychlorinated biphenyls and related compounds. Journal of Chromatography. 116: 353-63. PMID 173733 DOI: 10.1016/S0021-9673(00)89906-9  0.31
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