Depletion potentials induced by charged colloidal rods

We present direct depletion potential measurements for a single colloidal sphere close to a wall in suspensions of charged colloidal rods. In contrast to earlier studies of purely entropic systems (Helden et al. Phys. Rev. Lett. 2003, 90, 048301), here electrostatic interactions are important. These...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1991. - 20(2004), 14 vom: 06. Juli, Seite 5662-5
1. Verfasser: Helden, Laurent (VerfasserIn)
Weitere Verfasser: Koenderink, Gijsje H, Leiderer, Paul, Bechinger, Clemens
Format: Aufsatz
Sprache:English
Veröffentlicht: 2004
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a We present direct depletion potential measurements for a single colloidal sphere close to a wall in suspensions of charged colloidal rods. In contrast to earlier studies of purely entropic systems (Helden et al. Phys. Rev. Lett. 2003, 90, 048301), here electrostatic interactions are important. These enhance the depletion attraction and lead to repulsive parts in the interaction potentials, indicating correlation effects between the rods 
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700 1 |a Koenderink, Gijsje H  |e verfasserin  |4 aut 
700 1 |a Leiderer, Paul  |e verfasserin  |4 aut 
700 1 |a Bechinger, Clemens  |e verfasserin  |4 aut 
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