Characterization of molecularly imprinted composite membranes using an atomic force microscope

Nidal Hilal, Victor Kochkodan, Laila Al-Khatib, Gerald Busca

    Research output: Contribution to journalArticle

    Abstract

    Atomic force microscopy (AFM) has been used to investigate the surface structure of molecularly imprinted polyethersulphone (PES) membranes and to quantify pore size and surface roughness. Molecularly imprinted polymeric (MIP) membranes were developed using photoinitiated copolymerization of 2-hydroxyethyl methacrylate as functional monomer and trimethylopropane trimethacrylate as crosslinker in the presence of adenosine 3′:5″-cyclic monophosphate as template, followed by deposition of a MIP layer on the surface of (PES) microfiltration membranes. Atomic force microscopy images clearly indicate that a consistent increase in the degree of modification leads to a systematic decrease in pore size and an increase in surface roughness. These results show a good correlation with the filtration data of cAMP solutions. Thus, it was shown that direct AFM quantification of key parameters of imprinted membrane structure provide useful guidelines for the development of novel MIP composite membranes.

    Original languageEnglish (US)
    Pages (from-to)672-675
    Number of pages4
    JournalSurface and Interface Analysis
    Volume33
    Issue number8
    DOIs
    StatePublished - Aug 1 2002

    Fingerprint

    Composite membranes
    Polymeric membranes
    Atomic force microscopy
    Microscopes
    microscopes
    membranes
    Pore size
    composite materials
    atomic force microscopy
    Surface roughness
    Membranes
    Membrane structures
    surface roughness
    Microfiltration
    porosity
    Surface structure
    adenosines
    membrane structures
    Copolymerization
    copolymerization

    Keywords

    • Atomic force microscopy
    • Molecularly imprinted membranes
    • Pore size
    • Surface roughness

    ASJC Scopus subject areas

    • Chemistry(all)
    • Condensed Matter Physics
    • Surfaces and Interfaces
    • Surfaces, Coatings and Films
    • Materials Chemistry

    Cite this

    Characterization of molecularly imprinted composite membranes using an atomic force microscope. / Hilal, Nidal; Kochkodan, Victor; Al-Khatib, Laila; Busca, Gerald.

    In: Surface and Interface Analysis, Vol. 33, No. 8, 01.08.2002, p. 672-675.

    Research output: Contribution to journalArticle

    Hilal, Nidal ; Kochkodan, Victor ; Al-Khatib, Laila ; Busca, Gerald. / Characterization of molecularly imprinted composite membranes using an atomic force microscope. In: Surface and Interface Analysis. 2002 ; Vol. 33, No. 8. pp. 672-675.
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