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  • Multivalent ion effects on electrostatic stability of virus-like nano-shells
    Javidpour, Leili ...
    Electrostatic properties and stability of charged virus-like nano-shells are examined in ionic solutions with monovalent and multivalent ions. A theoretical model based on a thin charged spherical ... shell and multivalent ions within the dressed multivalent ion approximation, yielding their distribution across the shell and the corresponding electrostatic (osmotic) pressure acting on the shell, is compared with extensive implicit Monte-Carlo simulations. It is found to be accurate for positive or low negative surface charge densities of the shell and for sufficiently high (low) monovalent (multivalent) salt concentrations. Phase diagrams involving electrostatic pressure exhibit positive and negative values, corresponding to an outward and an inward facing force on the shell, respectively. This provides an explanation for the high sensitivity of viral shell stability and self-assembly of viral capsid shells on the ionic environment.
    Source: The Journal of chemical physics. - ISSN 0021-9606 (Vol. 139, iss. 15, 2013, str. 154709-1-154709-7)
    Type of material - article, component part
    Publish date - 2013
    Language - english
    COBISS.SI-ID - 2605668

    Link(s):

    http://scitation.aip.org/content/aip/journal/jcp/139/15/10.1063/1.4825099
    DOI

source: The Journal of chemical physics. - ISSN 0021-9606 (Vol. 139, iss. 15, 2013, str. 154709-1-154709-7)
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