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Interaction of light-activated Photosynthetic Reaction Centers co-reconstituted in a strict orientation with the bc1 complex from Rhodobacter sphaeroides into a lipid bilayer followed by Surface-Enhanced Infrared-Absorption Spectroscopy (SEIRAS)

  • Renate L. C. Naumann
  • , Vedran Nedelkovski
  • , Andreas Schwaighofer (Speaker)
  • , C. Wraight
  • , Anthony Crofts
  • , Christoph Nowak

    Research output: Chapter in Book or Conference Proceedings › Conference Proceedings with Poster Presentation › peer-review

    Abstract

    Co-reconstitution of photosynthetic reaction centers(RCs) with bc1 complexes, both from Rb. Sphaeroides has been investigated using surface-enhanced IR-absorption spectroscopy (SEIRAS) in the ATR configuration. Surface-enhancement is achieved by a thin nano-structured gold film present on the surface of an ATR crystal. The proteins were simultaneously immobilized as a monolayer on the gold film via His-tag technology and subsequently co-reconstituted by in-situ dialysis into a lipid bilayer. Spectra were recorded as a function of time under continuous illumination with white light from a Fiber-Lite DC950 illuminator (150 W, quartz halogen lamp).
    Original languageEnglish
    Title of host publication57 th Annual Meeting Biophysical Society, Philadelphia, Pennsylvania
    Publication statusPublished - 2013
    Event57 th Annual Meeting Biophysical Society, Philadelphia, Pennsylvania -
    Duration: 2 Feb 2013 → 6 Feb 2013

    Conference

    Conference57 th Annual Meeting Biophysical Society, Philadelphia, Pennsylvania
    Period2/02/13 → 6/02/13

    Research Field

    • Biosensor Technologies

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