Repulsive depletion interactions in colloid polymer mixtures

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RUDHARDT, Daniel, Clemens BECHINGER, Paul LEIDERER, 1999. Repulsive depletion interactions in colloid polymer mixtures. In: Journal of physics / Condensed Matter. 11(50), pp. 10073-10078

@article{Rudhardt1999Repul-4952, title={Repulsive depletion interactions in colloid polymer mixtures}, year={1999}, doi={10.1088/0953-8984/11/50/303}, number={50}, volume={11}, journal={Journal of physics / Condensed Matter}, pages={10073--10078}, author={Rudhardt, Daniel and Bechinger, Clemens and Leiderer, Paul} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/4952"> <dc:format>application/pdf</dc:format> <dcterms:abstract xml:lang="eng">Depletion forces in colloidal systems are known to be entirely attractive, as long as the background of macromolecules is small enough that an ideal gas approach is valid. At higher densities, however, structural correlation effects of the macromolecules which lead to additional repulsive parts in the depletion interaction, have to be taken into account. We have measured the depletion interaction between a single polystyrene sphere and a wall in the presence of non-ionic polymer coils. Although the polymer volume fraction is very small, our results clearly show the existence of repulsive parts, leading to a large over-estimation of correlation effects in a hard sphere liquid. The possible explanation of this discrepancy by additionally considering the role of van der Waals forces is discussed.</dcterms:abstract> <dcterms:title>Repulsive depletion interactions in colloid polymer mixtures</dcterms:title> <dc:language>eng</dc:language> <dc:creator>Bechinger, Clemens</dc:creator> <dc:rights>deposit-license</dc:rights> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T14:51:38Z</dcterms:available> <dcterms:bibliographicCitation>First publ. in: Journal of physics / Condensed Matter, 11 (1999), 50, pp. 10073-10078</dcterms:bibliographicCitation> <dcterms:rights rdf:resource="https://creativecommons.org/licenses/by-nc-nd/2.0/legalcode"/> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2011-03-24T14:51:38Z</dc:date> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/4952"/> <dc:contributor>Leiderer, Paul</dc:contributor> <dc:contributor>Bechinger, Clemens</dc:contributor> <dcterms:issued>1999</dcterms:issued> <dc:creator>Rudhardt, Daniel</dc:creator> <dc:creator>Leiderer, Paul</dc:creator> <dc:contributor>Rudhardt, Daniel</dc:contributor> </rdf:Description> </rdf:RDF>

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