Ion permeation through Langmuir-Blodgett layers investigated by total external reflection and fluorescence study

S I Zheludeva, M V Kovalchuk, N N Novikova, A N Sosphenov, M C Petty, V A Howarth, R I Cernik, S P Collins

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Combined measurements of X-ray reflectivity and characteristic fluorescence yield from investigated ions excited by the primary beam give a unique opportunity for detn. of the ion position in the org. system in the direction normal to the surface. This technique has been applied to study the possibility of K+ ion permeation from a soln. into arachidic acid/valinomycin mixed L-B films. It was found that potassium ions are organized in clusters inside the L-B film. [on SciFinder(R)]
    Original languageEnglish
    Pages (from-to)211-14
    Number of pages196
    JournalMaterials Science and Engineering C: Materials for Biological Applications
    VolumeC3
    Issue number3-4
    DOIs
    Publication statusPublished - 1995

    Keywords

    • Permeability and Permeation (ion permeation through Langmuir-Blodgett layers investigated by total external reflection and fluorescence study)
    • X-ray (reflection
    • ion permeation through Langmuir-Blodgett layers investigated by total external reflection and fluorescence study)
    • X-ray spectrometry (fluorescence, ion permeation through Langmuir-Blodgett layers investigated by total external reflection and fluorescence study)
    • Langmuir Blodgett film valinomycin ion permeation

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