Interaction between poly(ethylene glycol) and two surfactants investigated by diffusion coefficient measurements

Lopez-Esparza, R., Guedeau, M. -A., Gambin, Y., Rodriguez-Beas, C., Maldonado, A. and Urbach, W. (2006) Interaction between poly(ethylene glycol) and two surfactants investigated by diffusion coefficient measurements. Journal of Colloid and Interface Science, 300 1: 105-110. doi:10.1016/j.jcis.2006.03.071


Author Lopez-Esparza, R.
Guedeau, M. -A.
Gambin, Y.
Rodriguez-Beas, C.
Maldonado, A.
Urbach, W.
Title Interaction between poly(ethylene glycol) and two surfactants investigated by diffusion coefficient measurements
Journal name Journal of Colloid and Interface Science   Check publisher's open access policy
ISSN 0021-9797
1095-7103
Publication date 2006-08-01
Sub-type Article (original research)
DOI 10.1016/j.jcis.2006.03.071
Volume 300
Issue 1
Start page 105
End page 110
Total pages 6
Place of publication Maryland Heights, MO, United States
Publisher Academic Press
Language eng
Formatted abstract
Dynamic light scattering (DLS) and fluorescence recovery after pattern photobleaching (FRAPP) were used to study the interaction of low molecular weight poly(ethylene glycol) (PEG) with micelles of two different surfactants: tetradecyldimethyl aminoxide (C14DMAO, zwitterionic) and pentaethylene glycol n-dodecyl monoether (C12E5, non-ionic). By using an amphiphilic fluorescent probe or a fluorescent-labeled PEG molecule, FRAPP experiments allowed to follow the diffusion of the surfactant–polymer complex either by looking at the micelle diffusion or at the polymer diffusion. Experiments performed with both fluorescent probes gave the same diffusion coefficient showing that the micelles and the polymer form a complex in dilute solutions. Similar experiments showed that PEG interacts as well with pentaethylene glycol n-dodecyl monoether (C12E5).
Keyword Polymer–surfactant interactions
Poly(ethylene glycol)
Dynamic light scattering
Fluorescence recovery after pattern photobleaching
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: ERA 2012 Admin Only
Institute for Molecular Bioscience - Publications
 
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Created: Thu, 13 Oct 2011, 12:36:02 EST by Yann Gambin on behalf of Institute for Molecular Bioscience