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Capillary electrophoretic and mass spectrometric analysis of a polydisperse fluorosurfactant
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Analytical Chemistry.ORCID iD: 0000-0002-3444-9987
2005 (English)In: Journal of Separation Science, ISSN 1615-9306, E-ISSN 1615-9314, Vol. 28, no 3, 239-244 p.Article in journal (Refereed) Published
Abstract [en]

A fluorosurfactant has been studied using capillary electrophoresis and mass spectrometry. The fluorosurfactant, FC134, can be used as a buffer additive in capillary electrophoresis in order to decrease wall adsorption of proteins and in micellar electrokinetic chromatography. However, it has been discovered that this fluorosurfactant is polydisperse, thus containing substances with different lengths and structures. In this work, the fluorosurfactant sample components were separated by capillary electrophoresis. An uncoated as well as a poly(vinyl alcohol)-coated capillary were used with running electrolytes containing methanol and acetic acid. Following the capillary electrophoretic separation, fractions were collected for further analysis by MALDI-MS. Non-fractionated samples were also analyzed both by MALDI-MS and by ESI-MS.

Place, publisher, year, edition, pages
2005. Vol. 28, no 3, 239-244 p.
Keyword [en]
polydisperse fluorosurfactant, capillary electrophoresis, fractionation, MALDI-MS, ESI-MS, time-of-flight, indirect photometric detection, nonionic surfactants, cationic surfactants, anionic surfactants, basic-proteins, matrix, separation, chromatography, ethoxylates
Identifiers
URN: urn:nbn:se:kth:diva-14578DOI: 10.1002/jssc.200400040ISI: 000227397400004Scopus ID: 2-s2.0-15944420178OAI: oai:DiVA.org:kth-14578DiVA: diva2:332619
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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Emmer, Åsa

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