Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/21495
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dc.contributor.authorCalero, Carles-
dc.contributor.authorFaraudo, Jordi-
dc.date.accessioned2010-02-23T13:04:46Z-
dc.date.available2010-02-23T13:04:46Z-
dc.date.issued2009-10-09-
dc.identifier.citationPhysical Review - Section E - Statistical Nonlinear and Soft Matter Physics 80(4): 042601 (2009)en_US
dc.identifier.issn1539-3755-
dc.identifier.urihttp://hdl.handle.net/10261/21495-
dc.description4 pages, 4 figures.-- PACS number(s): 68.08.De, 61.20.Qg, 87.10.Tf, 82.45.Mpen_US
dc.description.abstractIn this Brief Report, we perform molecular-dynamics simulations of an interface containing charged functional groups of different valences in contact with 2:1 ionic solution. We take into account both the finite sizes of the ions in solution and the functional groups but we neglect the structural details of the solvent (primitive model). We show that the interaction between a charged interface (of given surface charge density) and electrolyte depends strongly on the individual charges of the interfacial groups originating the surface charge. In particular, we show that charge inversion (i.e., interfacial charges attracting counterions in excess of their own nominal charge) is enhanced by the presence of multivalent interfacial groups (such as certain phospholipids). Overall, our results reveal that in primitive models of the ion-interface interaction not only the ionic size and valence are important but also the size and valence of the interfacial charged groups have a significant impact.en_US
dc.description.sponsorshipThis work was supported by the Spanish Government (Grant No. FIS2006- 12296-C02-01) and Generalitat de Catalunya (Grant No. 2005SGR00087). C.C. was supported by the JAE-doc program of the Spanish National Research Council (CSIC).en_US
dc.format.extent783932 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoengen_US
dc.publisherAmerican Physical Societyen_US
dc.rightsopenAccessen_US
dc.titleEnhancement of charge inversion by multivalent interfacial groupsen_US
dc.typeartículoen_US
dc.identifier.doi10.1103/PhysRevE.80.042601-
dc.description.peerreviewedPeer revieweden_US
dc.relation.publisherversionhttp://dx.doi.org/10.1103/PhysRevE.80.042601en_US
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.openairetypeartículo-
item.fulltextWith Fulltext-
item.grantfulltextopen-
item.languageiso639-1en-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
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