Measuring a colloidal particle's interaction with a flat surface under nonequilibrium conditions

S. H. Behrens, J. Plewa, D. G. Grier

    Research output: Contribution to journalArticle

    Abstract

    A new and general approach is proposed to analyze the dynamics of a colloidal particle interacting with a nearby wall. This analysis can be used to determine the acting forces even when the system is non-stationary. As an illustration, we use total internal reflection microscopy to investigate the forces acting on a polystyrene sulfate latex particle as it is receding from a charged glass surface.

    Original languageEnglish (US)
    Pages (from-to)115-121
    Number of pages7
    JournalEuropean Physical Journal E
    Volume10
    Issue number2
    DOIs
    StatePublished - Feb 2003

    ASJC Scopus subject areas

    • Biotechnology
    • Biophysics
    • Chemistry(all)
    • Materials Science(all)
    • Surfaces and Interfaces

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