Zobrazeno 1 - 10
of 114
pro vyhledávání: '"K.-S. Boos"'
Autor:
O. Rbeida, Dieter Lubda, B. Christiaens, Jacques Crommen, Patrice Chiap, Philippe Hubert, K. S. Boos
Publikováno v:
Journal of Chromatography A. 975:145-155
A new kind of silica-based restricted-access material (RAM) has been tested in pre-columns for the on-line solid-phase extraction (SPE) of basic drugs from directly injected plasma samples before their quantitative analysis by reversed-phase liquid c
Autor:
R.A.M. van der Hoeven, J. van der Greef, A. Rudolphi, G.Marko Varga, M. Frenay, Lars-Erik Edholm, H. Irth, K.-S. Boos, U.R. Tjaden, A.J.P. Hofte
Publikováno v:
Journal of Chromatography A. 762:193-200
In this paper, the on-line coupling of solid-phase extraction, based on a restricted-access support with liquid chromatography-mass spectrometry (LC-MS), for the analysis of biological samples is described. The system was tested with cortisol and pre
Publikováno v:
Chromatographia. 41:645-650
A coupled-column LC-method for fast, direct and routine quantitation of free parent catecholamines norepinephrine, epinephrine and dopamine in human urine has been developed. Direct injection of untreated samples followed by system-integrated, sample
Autor:
C. H. K. S. Boos, Grimm
Publikováno v:
The MAK Collection for Occupational Health and Safety
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::61f925a71a3f3031474dbc1c018817a0
https://doi.org/10.1002/3527600418.bi2083081d0014
https://doi.org/10.1002/3527600418.bi2083081d0014
Autor:
J. Lintelmann, G. Müller, W. Will., J. Gündel, Karl-Heinz Schaller, M. Blaszkewicz, R. Heinrich‐Ramm, K. ‐S. Boos
Publikováno v:
The MAK Collection for Occupational Health and Safety
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85c1f213df0ac211b582f034a63cccb4
https://doi.org/10.1002/3527600418.bihplcorganicd0014
https://doi.org/10.1002/3527600418.bihplcorganicd0014
Autor:
J. Lintelmann, R. Heinrich‐Ramm, W. Will., Karl-Heinz Schaller, J. Gündel, M. Blaszkewicz, K. ‐S. Boos, G. Müller
Publikováno v:
The MAK Collection for Occupational Health and Safety
Published in the series Analyses of Hazardous Substances in Biological Materials, Vol. 7 (2000) The article contains sections titled: Introduction Pre-analytical phase Sample preparation Basic operations Procedure steps The liquid chromatographic pro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cc226dd97e9b06a632980a53dbaf9573
https://doi.org/10.1002/3527600418.bi0hplce0007
https://doi.org/10.1002/3527600418.bi0hplce0007
Publikováno v:
Nucleosides and Nucleotides. 9:389-393
We developed a coupled dual column HPLC-system for on-line sample processing, trace enrichment and analysis of ribonucleosides and ribonucleotides. The fully automated HPLC-analyzer tolerates the direct and repetitive injection of biological fluids s
Publikováno v:
Nucleosides and Nucleotides. 9:407-410
The quantitative determination of the urinary ribonucleosides m1Ado, m22Guo and t6Ado of breast cancer patients was performed by use of an automated high performance liquid chromatography analyzer with on-line sample processing and analysis by a dual
Autor:
Heinz Engelhardt, T. A. Berger, K.-S. Boos, Kevin D. Altria, R. Stock, E. R. Adlard, Stephen Wren, I. W. Davies
Publikováno v:
Chromatographia CE Series ISBN: 9783322831439
In his book Unified separation science the late J. Calvin. Giddings, one of the great analytical chemists of the 20th century, defined separation as follows: “separation is the art and science of maximizing separative transport relative to dispersi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::787051ed1047c2dd3a6b034f00191b24
https://doi.org/10.1007/978-3-322-83141-5_2
https://doi.org/10.1007/978-3-322-83141-5_2
Autor:
K.-S. Boos, I. W. Davies, Kevin D. Altria, R. Stock, E. R. Adlard, Stephen Wren, Heinz Engelhardt, T. A. Berger
Publikováno v:
Chromatographia CE Series ISBN: 9783322831439
The first step in understanding the enantiomeric separation process in CE is the development of a simple physical model. The purpose of the simple physical model is an adequate description of the underlying interactions between the chiral selector an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::33c71106e7a4e439fe20914d35bfe394
https://doi.org/10.1007/978-3-322-83141-5_3
https://doi.org/10.1007/978-3-322-83141-5_3