Source:http://linkedlifedata.com/resource/pubmed/id/16485949
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| Predicate | Object |
|---|---|
| rdf:type | |
| lifeskim:mentions | |
| pubmed:issue |
6 Pt 1
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| pubmed:dateCreated |
2006-2-20
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| pubmed:abstractText |
Charge inversion occurs when the effective charge of a surface exposed to solution reverses polarity due to an excess of counterions accumulating in the immediate vicinity of the surface. Using atomic force spectroscopy, we have directly measured the effect on charge inversion of changing the dielectric constant of the solvent and the surface-charge density. Both decreasing the dielectric constant and increasing the bare surface-charge density lower the charge-inversion concentration. These observations are consistent with the theoretical proposal that spatial correlations between ions are the dominant driving mechanism for charge inversion.
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| pubmed:language |
eng
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| pubmed:journal | |
| pubmed:status |
PubMed-not-MEDLINE
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| pubmed:month |
Dec
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| pubmed:issn |
1539-3755
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| pubmed:author | |
| pubmed:issnType |
Print
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| pubmed:volume |
72
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| pubmed:owner |
NLM
|
| pubmed:authorsComplete |
Y
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| pubmed:pagination |
061501
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| pubmed:year |
2005
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| pubmed:articleTitle |
Charge inversion by multivalent ions: dependence on dielectric constant and surface-charge density.
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| pubmed:affiliation |
Kavli Institute of Nanoscience, Delft University of Technology, 2628 CJ Delft, The Netherlands.
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| pubmed:publicationType |
Journal Article
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