Novel applications for organic polymer capillaries

Applications of CE separations with organic polymer capillaries are shown. Capillaries made from poly(methyl methacrylate) (PMMA) and polyether ether ketone (PEEK) show extremely good hydrolytic stabilities. Separations of sugars, amino acids and peptides could be achieved at high pH values. With a...

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Bibliographic Details
Published in:Journal of Chromatography A 1998-04, Vol.802 (1), p.17-22
Main Authors: Schneider, Patrik J, Engelhardt, Heinz
Format: Article
Language:English
Subjects:
Amino acids
Analytical chemistry
Beers
Biological and medical sciences
Chemistry
Chromatographic methods and physical methods associated with chromatography
Exact sciences and technology
Fermented food industries
Food industries
Fundamental and applied biological sciences. Psychology
Other chromatographic methods
Peptides
Sugars
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Summary:Applications of CE separations with organic polymer capillaries are shown. Capillaries made from poly(methyl methacrylate) (PMMA) and polyether ether ketone (PEEK) show extremely good hydrolytic stabilities. Separations of sugars, amino acids and peptides could be achieved at high pH values. With a fluorescence detector it was possible to detect the analytes on-column, whereas for UV detection and with PEEK capillaries a detection window of fused silica had to be installed. With those capillaries it was possible to apply very high field strengths in the separation of inorganic cations via indirect UV detection.
ISSN:0021-9673
DOI:10.1016/S0021-9673(97)01177-1