Large-scale homogeneous molecular templates for femtosecond time-resolved studies of the guest-host interaction

P. Siffalovic, M. Michelswirth, P. Bartz, B. Decker, C. Agena, C. Schäfer, S. Molter, R. Ros, M. Bach, M. Neumann, D. Anselmetti, J. Mattay, U. Heinzmann, M. Drescher

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Self-assembled monolayer films based on iodobenzoyloxy-functionalized resorc[4]arenes were prepared on gold substrates to serve as model systems for future time-resolved studies of molecular recognition, a mechanism of outstanding importance in bioorganic systems. The film properties were tested using X-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM) and imaging ellipsometry. An apparatus for time-resolved electron spectroscopy utilizing femtosecond soft X-ray pulses is capable of detecting iodine core-level photolines and the photoinduced dissociation after ultraviolet illumination. The developed technique holds promise for tracking the temporal evolution of chemical shifts of atomic markers as local probes for the dynamics of the guest-host interaction.

Original languageEnglish (US)
Pages (from-to)139-149
Number of pages11
JournalJournal of Biotechnology
Volume112
Issue number1-2
DOIs
StatePublished - Aug 26 2004
Externally publishedYes

Keywords

  • Guest-host interaction
  • Molecular dynamics
  • Molecular recognition
  • Self-assembled monolayer

ASJC Scopus subject areas

  • Biotechnology
  • Bioengineering
  • Applied Microbiology and Biotechnology

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