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Personen: Bosco, S. John (Autor) 
Zettl, H. (Autor) 
Crassous, J. J. (Autor) 
Ballauff, M. (Autor) 
Krausch, Georg (Autor) 
  
Titel: Interactions between methyl cellulose and sodium dodecyl sulfate in Aqueous solution studied by single molecule fluorescence correlation Spectroscopy
  
Quelle: Macromolecules. Bd. 39. H. 25. Washington, D.C. : American Chemical Soc. S. 8793 - 8798
Erscheinungsjahr:    2006
ISBN / ISSN: 0024-9297
URL der Originalveröffentlichung doi:10.1021/ma0616920
  
Dokumentart:
Zeitschriftenaufsatz Zeitschriftenaufsatz
Sprache: Englisch
Open Access:
Person der Universität:   
Einrichtung: Universitätsleitung
DDC-Sachgruppe:    Physik
ID: 11472  Universitätsbibliothek Mainz
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Informationen zu den Nutzungsrechten unserer Inhalte Informationen zu den Nutzungsrechten unserer Inhalte
Abstract: The interactions between the anionic surfactant sodium dodecyl sulfate (SDS) and a hydrophobically modified nonionic polymer, methyl cellulose (MC), have been investigated in aqueous solution by fluorescence correlation spectroscopy (FCS) and rheology. FCS is used to follow the dynamics of different populations of single aggregates. We are able to follow the solution properties over a wide concentration range of both polymer and surfactant. At constant MC concentration the diffusion time of single aggregates increases gradually up to a certain SDS concentration and decreases to a minimum when the SDS concentration is further increased. This behavior coincides with the behavior of the zero shear viscosity. A model is proposed to explain the effect of surfactant concentration on polymer conformation and aggregation size.
   
  
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