uu.seUppsala University Publications
Change search
ReferencesLink to record
Permanent link

Direct link
Lack of Association between a Cationic Protein and a Cationic Fluorosurfactant
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Physical and Analytical Chemistry, Physical Chemistry.
Show others and affiliations
2007 (English)In: Langmuir, ISSN 0743-7463, E-ISSN 1520-5827, Vol. 23, no 2, 771-775 p.Article in journal (Refereed) Published
Abstract [en]

Surface tension, F-19 and H-1 NMR spectroscopy, and cryotransmission electron microscopy are used to characterize the state of association in aqueous solutions of a fluorosurfactant CF3(CF2)(n)SO2NH(CH2)(3-4)N(CH3)(3)(+) I- (n = 8, 6) with and without lysozyme added. In the absence of lysozyme, we find monomers, small aggregates, and large vesicles to coexist, with the individual fluorosurfactant molecules exchanging slowly (> 1 ms) among those states. When both lysozyme and fluorosurfactant are present in the solution, they have no measurable influence on the physical state of the other. In contrast, a hydrogenated cationic surfactant with the same headgroup, hexadecyltrimethylammonium bromide, is shown to associate to lysozyme.


Place, publisher, year, edition, pages
2007. Vol. 23, no 2, 771-775 p.
Keyword [en]
Ionic surfactant, Physicochemical properties, Enzyme, Hydrolases, Glycosidases, O-Glycosidases, Electrochemistry, Cationic surfactant, Vesicle, Aggregate, Monomer, Lysozyme, Aqueous solution, Electron spectrometry, NMR spectrometry, Surface tension, Protein, Association
National Category
Chemical Sciences
URN: urn:nbn:se:uu:diva-24300DOI: 10.1021/la062469zISI: 000243338500061PubMedID: 17209632OAI: oai:DiVA.org:uu-24300DiVA: diva2:52074
Available from: 2007-02-05 Created: 2007-02-05 Last updated: 2011-02-17Bibliographically approved

Open Access in DiVA

No full text

Other links

Publisher's full textPubMed

Search in DiVA

By author/editor
Karlsson, Göran
By organisation
Physical Chemistry
In the same journal
Chemical Sciences

Search outside of DiVA

GoogleGoogle Scholar
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

Altmetric score

Total: 330 hits
ReferencesLink to record
Permanent link

Direct link