Zobrazeno 1 - 10 of 907 pro vyhledávání: '"H, Lingeman"'
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Extraction of isoflavone malonylglucosides from Tritolium pratense L
Autor: H. Lingeman, A. H. W. Toebes, W. H. O. Ernst, V. de Boer, Jos A.C. Verkleij
Publikováno v: Journal of Agricultural and Food Chemistry, 53(12), 4660-4666. American Chemical Society
Toebes, A H W, de Boer, V, Verkley, J A C, Lingeman, H & Ernst, W H O 2005, ' Extraction of isoflavone malonylglucosides from Tritolium pratense L. ', Journal of Agricultural and Food Chemistry, vol. 53, no. 12, pp. 4660-4666 . https://doi.org/10.1021/jf047995f
Extraction of isoflavone malonylglucosides from red clover (Trifolium pratense L.) is a complicated procedure. This is due to the relatively unstable character of the thermolabile glucoside malonates as well as by action of native β-glucosidases, re
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d89a859a1ad90131d5cf8d4e66d28382
https://doi.org/10.1021/jf047995f
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3
On-line multidimensional liquid chromatography and capillary electrophoresis systems for peptides and proteins
Autor: Mireya Castillo Ortiz, Willy J. M. Underberg, Gerhardus J. de Jong, Thom Stroink, H. Lingeman, Auke Bult
Publikováno v: Stroink, T, Ortiz, M C, Bult, A, Lingeman, H, de Jong, G T & Underberg, W J M 2005, '
multidimensional liquid chromatography and capillary electrophoresis systems for peptides and proteins ', Journal of Chromatography B, vol. 817, no. 1, pp. 49-66 . https://doi.org/10.1016/j.jchromb.2004.11.057
Journal of Chromatography B, 817(1), 49-66. Elsevier
Peptides and proteins are gaining increasing attention in biosciences and, consequently, in analysis. This overview highlights the different approaches to couple on-line various separation techniques for the determination of proteins and peptides. Th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d13fa8ec686c7df81b6806dadbe922ac
https://hdl.handle.net/1871/31486
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4
Chiral ligand-exchange chromatography as the screening method for proposed modifications in exametazime synthesis to enhance diastereoselectivity
Autor: Sote Vladimirov, H. Lingeman, N. Nikolić, D. Veselinović, Katarina Karljikovic-Rajic
Publikováno v: Nikolic, N, Veselinovic, D, Vladimirov, S, Karljikovic-Rajic, K & Lingeman, H 2004, ' Chiral ligand-exchange chromatography as the screening method for proposed modifications in exametazime synthesis to enhance diastereoselectivity ', Journal of Pharmaceutical and Biomedical Analysis, vol. 34, no. 2, pp. 285-93 . https://doi.org/10.1016/S0731-7085(03)00551-X
Journal of Pharmaceutical and Biomedical Analysis
Journal of Pharmaceutical and Biomedical Analysis, 34(2), 285-93. Elsevier
Tc-99m(V)-d,l-HM-PAO complex is well-known radiopharmaceutical for regional cerebral blood flow imaging. The proposed modifications in exametazime, hexamethylpropyleneamine oxime (HM-PAO) (4,8-diaza-3,6,6,9-tetramethylundecane-2,10-dione bisoxime) sy
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::460bd1f112809668e10c9c06b6261eab
https://hdl.handle.net/1871/31360
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5
On-line coupling of size exclusion and capillary zone electrophoresis via a reversed-phase C18 trapping column for the analysis of structurally related enkephalins in cerebrospinal fluid
Autor: Joop C. M. Waterval, G. Wiese, Gerhardus J. de Jong, Auke Bult, Jan Teeuwsen, Willy J. M. Underberg, Thom Stroink, H. Lingeman
Publikováno v: Electrophoresis, 24(5), 897-903. Wiley-VCH Verlag
Stroink, T, Wiese, G, Teeuwsen, J, Lingeman, H, Waterval, J C M, Bult, A, de Jong, G T & Underberg, W J M 2003, '
coupling of size exclusion and capillary zone electrophoresis via a reversed-phase C18 trapping column for the analysis of structurally related enkephalins in cerebrospinal fluid ', Electrophoresis, vol. 24, no. 5, pp. 897-903 . https://doi.org/10.1002/elps.200390113
On-line coupled analytical techniques can be advantageous in the assay of smaller peptides in complex biological matrices such as plasma, cerebrospinal fluid (CSF) and tissues. The present study shows the feasibility of a recently developed system, c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a604a76ef78b827e167b6bb40002fafc
https://doi.org/10.1002/elps.200390113
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6
On-line coupling of SEC and RP–LC for the determination of structurally related enkephalins in cerebrospinal fluid
Autor: Willy J. M. Underberg, Thom Stroink, H. Lingeman, Jan Teeuwsen, Joop C. M. Waterval, Auke Bult, G. Wiese, Gerhardus J. de Jong
Publikováno v: Journal of Pharmaceutical and Biomedical Analysis, 30(4), 1393-401. Elsevier
Stroink, T, Wiese, G, Teeuwsen, J, Lingeman, H, Waterval, J C M, Bult, A, de Jong, G T & Underberg, W J M 2002, '
coupling of SEC and RP-LC for the determination of structurally related enkephalins in cerebrospinal fluid ', Journal of Pharmaceutical and Biomedical Analysis, vol. 30, no. 4, pp. 1393-401 . https://doi.org/10.1016/S0731-7085(02)00434-X
On-line coupled analytical techniques can be advantageous in the assay of smaller peptides in complex biological matrices such as plasma, cerebro-spinal fluid (CSF) and tissues. The present study shows the feasibility of the recently reported on-line
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::82ac67157d8e7e4571dccf6cff444248
https://doi.org/10.1016/s0731-7085(02)00434-x
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7
Comparison between transient isotachophoretic capillary zone electrophoresis and reversed-phase liquid chromatography for the determination of peptides in plasma
Autor: Willy J. M. Underberg, Joop C. M. Waterval, Hans Krabbe, Auke Bult, H. Lingeman, Jan Teeuwsen
Publikováno v: Electrophoresis, 20(14), 2909-2916. Wiley-VCH Verlag
Waterval, J C M, Krabbe, H, Teeuwsen, J, Bult, A, Lingeman, H & Underberg, W J M 1999, ' Comparison between transient isotachophoretic capillary zone electrophoresis and reversed-phase liquid chromatography for the determination of peptides in plasma ', Electrophoresis, vol. 20, no. 14, pp. 2909-2916 . https://doi.org/10.1002/(SICI)1522-2683(19991001)20:14<2909::AID-ELPS2909>3.0.CO;2-M
Low levels of peptide drugs in human plasma can be determined employing off-line solid-phase extraction, followed by capillary zone electrophoresis with UV detection. A bioanalytical procedure is presented, using gonadorelin and angiotensin II in hum
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::320e7115398e11efcc8b2c4b03a6c24e
https://doi.org/10.1002/(sici)1522-2683(19991001)20:14<2909::aid-elps2909>3.0.co
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8
On-line dialysis–SPE–CE of acidic drugs in biological samples
Autor: H. Lingeman, C. Gooijer, Nel H. Velthorst, U.A.Th. Brinkman, M. C. E. Groot, J. R. Veraart
Publikováno v: Veraart, J R, Groot, M C E, Gooijer, C, Lingeman, H, Velthorst, N H & Brinkman, U A T 1999, '
dialysis-SPE-CE of acidic drugs in biological samples. ', Analyst, vol. 124, pp. 115-118 . https://doi.org/10.1039/a807636g
Analyst, 124, 115-118
Analyst, 124, 115-118. Royal Society of Chemistry
A fully automated method is presented for the determination of acidic drugs in urine and serum using on-line dialysis-solid-phase extraction (SPE)-capillary electrophoresis (CE) with UV detection. With non-steroidal anti-inflammatory drugs (NSAIDs) a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4b5cf91f4b23e960c20d7c713de3778e
https://doi.org/10.1039/a807636g
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9
Liquid chromatography with luminol-based electrochemiluminescence detection
Autor: H. Lingeman, D.A. Kamminga, A Brummelhuis, O. M. Steijger
Publikováno v: Journal of Chromatography A. 799:57-66
The liquid chromatographic determination of histamine was achieved by precolumn derivatization with N-(4-aminobutyl)-N-ethylisoluminol isothiocyanate and electrochemiluminescence detection. Detection was carried out using postcolumn on-line electroch
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https://doi.org/10.1016/s0021-9673(97)01083-2
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10
Determination of phenprocoumon in plasma and urine using at-line solid-phase extraction-capillary electrophoresis
Autor: Nel H. Velthorst, U.A.T. Brinkman, Cees Gooijer, H. Lingeman, J. R. Veraart
Publikováno v: Journal of Pharmaceutical and Biomedical Analysis, 17, 1161-1166. Elsevier
Veraart, J R, Gooijer, C, Lingeman, H, Velthorst, N H & Brinkman, U A T 1998, ' Determination of phenprocoumon in plasma and urine using at-line solid-phase extraction-capillary electrophoresis. ', Journal of Pharmaceutical and Biomedical Analysis, vol. 17, pp. 1161-1166 . https://doi.org/10.1016/S0731-7085(98)00082-X
The use of capillary electrophoresis (CE) for the analysis of biological samples is rather problematic because of the large number of interferences present in the matrix. One of the possibilities to solve such problems is to couple solid-phase extrac
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https://research.vu.nl/en/publications/3055cd31-b4d3-4f8c-a7ed-36e50cf53929
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