Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Björn Josefsson"'
Publikováno v:
Analytical Chemistry. 73:2625-2631
A novel method for the determination of the enantiomeric composition of peptides is presented. In this paper, the focus has been on beta-amyloid peptides from deceased Alzheimer's disease patients. The peptides are hydrolyzed using mineral acid. The
Publikováno v:
Journal of Chromatography A. 826:87-94
The coupling of capillary electrophoresis and inductively coupled plasma (ICP) mass spectrometry is described using a new direct injection nebulizer designed for liquid flow-rates of 1–15 μl min −1 (aqueous solutions). The liquid flow-rate worki
Autor:
A Grzegorczyk, Hans-Dieter Becker, Stefan Einarsson, Jonas Björklund, Björn Josefsson, A Engström
Publikováno v:
Journal of Chromatography A. 798:1-8
A fully automated HPLC method for the determination of amino acids in protein hydrolysates has been developed, using 2-(9-anthryl)ethyl chloroformate and precolumn derivatization. This UV sensitive reagent reacts rapidly with both primary and seconda
Publikováno v:
Journal of Chromatography A. 786:347-354
New chiral precolumn reagents, (+)- and (-)-1-(9-anthryl)-2-propyl chloroformate (APOC), are introduced for the chiral separation of amino acids and small peptides in capillary electrophoresis. Chiral separation of 17 amino acids and four small pepti
Publikováno v:
Journal of Chromatography A. 715:151-158
A method for the determination of the enantiomeric purity of the chiral reagent 1-(9-fluorenyl)ethyl chloroformate (FLEC) has been developed. The reagent is reacted with glycine, an achiral compound, and separated by capillary electrophoresis using
Autor:
Hans Brückner, Zilin Chen, Steven A. Cohen, Claire Elfakir, Charles W. Gehrke, Petr Hušek, Björn Josefsson, Christian W. Klampfl, Paul Chi Ho, Hiroyuki Kataoka, Ynze Mengerink, Ibolya Moln´r-Perl, Jacek Namiesnik, Shigeyuki Oguri, Ralf Pätzold, Manuel Silva, Toyohide Takeuchi, Thomas Weiss, Bogdan Zigmunt
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::487daaca8bb907f076a700d40d64ac2e
https://doi.org/10.1016/s0301-4770(05)80002-8
https://doi.org/10.1016/s0301-4770(05)80002-8
Autor:
Björn Josefsson
Summary The chloroformate chemistry of AAs is reviewed taking different aspects into account such as reactivity, method constructions, automation, sensitivity, detector arrangements, sample matrix problems. The exceptional vigourous derivatization re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::43a6585390fb0c9395c0bcf780cf526c
https://doi.org/10.1016/s0301-4770(05)80009-0
https://doi.org/10.1016/s0301-4770(05)80009-0
Autor:
Björn Josefsson
Publikováno v:
Journal of Microcolumn Separations. 2:46-47
Publikováno v:
C R C Critical Reviews in Analytical Chemistry. 16:281-321
The analysis of organic pollutants in water is a subject of very large scope that can include a description of all analytical techniques known at this moment. A large number of papers with respect to the field have been published in the last 20 years
Publikováno v:
Holzforschung. 32:27-32