Hydrodynamic coupling of two brownian spheres to a planar surface

Eric R. Dufresne, Todd M. Squires, Michael P. Brenner, David G. Grier

    Research output: Contribution to journalArticlepeer-review

    Abstract

    An experimental and theoretical investigation of two colloidal spheres diffusion near a flat plate was carried out. It was observed that a confining surface can influence colloidal dynamics even at large separations. Further, results reveal that wall-induced hydrodynamic interactions may have influenced nonequilibrium optical tweezer measurements of confined colloidal interactions, and could have contributed to the attractions between like-charged spheres.

    Original languageEnglish (US)
    Pages (from-to)3317-3320
    Number of pages4
    JournalPhysical Review Letters
    Volume85
    Issue number15
    DOIs
    StatePublished - Oct 9 2000

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

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