Effects of charge fluctuation on two-membrane instability and fusion

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dc.contributor.authorKim, Yong Woonko
dc.contributor.authorSung, WKko
dc.date.accessioned2013-03-06T05:43:25Z-
dc.date.available2013-03-06T05:43:25Z-
dc.date.created2012-07-08-
dc.date.created2012-07-08-
dc.date.issued2003-09-
dc.identifier.citationPHYSICAL REVIEW LETTERS, v.91, no.11, pp.118101-
dc.identifier.issn0031-9007-
dc.identifier.urihttp://hdl.handle.net/10203/85996-
dc.description.abstractMembrane fusion is fundamental to diverse biological processes ranging from intercellular and intracellular transport to egg fertilization. We study the effects of coupling between membrane undulation and charge fluctuation on its fusion. We find that, at concentrations of millimolar range, multivalent cations such as calcium in solution induce a strong correlated-charge fluctuation on each membrane, leading to inversion and overcondensation of surface charges. When the charge fluctuation is cooperatively coupled to undulation, two apposing membranes undergo a dynamic instability to spontaneous growth of in-phase undulation with submicron wavelengths, thereby greatly reducing fusion barrier.-
dc.languageEnglish-
dc.publisherAMERICAN PHYSICAL SOC-
dc.subjectRODLIKE POLYELECTROLYTES-
dc.subjectMEMBRANE-
dc.subjectATTRACTION-
dc.titleEffects of charge fluctuation on two-membrane instability and fusion-
dc.typeArticle-
dc.identifier.wosid000185288000053-
dc.identifier.scopusid2-s2.0-0142120729-
dc.type.rimsART-
dc.citation.volume91-
dc.citation.issue11-
dc.citation.beginningpage118101-
dc.citation.publicationnamePHYSICAL REVIEW LETTERS-
dc.identifier.doi10.1103/PhysRevLett.91.118101-
dc.contributor.localauthorKim, Yong Woon-
dc.contributor.nonIdAuthorSung, WK-
dc.type.journalArticleArticle-
dc.subject.keywordPlusRODLIKE POLYELECTROLYTES-
dc.subject.keywordPlusMEMBRANE-
dc.subject.keywordPlusATTRACTION-
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