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  Titanium-silicon oxide film structures for polarization-modulated infrared reflection absorption spectroscopy

Dunlop, I. E., Zorn, S., Richter, G., Srot, V., Kelsch, M., van Aken, P. A., et al. (2009). Titanium-silicon oxide film structures for polarization-modulated infrared reflection absorption spectroscopy. Thin Solid Films, 517(6), 2048-2054. doi:10.1016/j.tsf.2008.10.058.

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 Creators:
Dunlop, Iain E.1, Author           
Zorn, Stefan, Author
Richter, Gunther, Author
Srot, Vesna, Author
Kelsch, Marion, Author
van Aken, Peter A., Author
Skoda, Maximilian, Author
Gerlach, Alexander, Author
Spatz, Joachim P.1, 2, Author           
Schreiber, Frank, Author
Affiliations:
1Cellular Biophysics, Max Planck Institute for Medical Research, Max Planck Society, ou_2364731              
2Biophysical Chemistry, Institute of Physical Chemistry, University of Heidelberg, 69120 Heidelberg, Germany, ou_persistent22              

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Free keywords: Biotin–streptavidin binding; Electron energy loss spectroscopy (EELS); Fourier transform infrared spectroscopy; Poly(ethylene glycol); Protein resistant surfaces; Silicon oxide; Titanium; Transmission electron microscopy (TEM); X-ray photoelectron spectroscopy (XPS); X-ray reflectometry
 Abstract: We present a titanium-silicon oxide film structure that permits polarization modulated infrared reflection absorption spectroscopy on silicon oxide surfaces. The structure consists of a ∼ 6 nm sputtered silicon oxide film on a ∼ 200 nm sputtered titanium film. Characterization using conventional and scanning transmission electron microscopy, electron energy loss spectroscopy, X-ray photoelectron spectroscopy and X-ray reflectometry is presented. We demonstrate the use of this structure to investigate a selectively protein-resistant self-assembled monolayer (SAM) consisting of silane-anchored, biotin-terminated poly(ethylene glycol) (PEG). PEG-associated IR bands were observed. Measurements of protein-characteristic band intensities showed that this SAM adsorbed streptavidin whereas it repelled bovine serum albumin, as had been expected from its structure.

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Language(s): eng - English
 Dates: 2008-10-172008-02-192008-10-232008-10-312009-01-30
 Publication Status: Issued
 Pages: 7
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Degree: -

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Title: Thin Solid Films
  Abbreviation : Thin Solid Films
Source Genre: Journal
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Publ. Info: Lausanne, Switzerland, etc. : Elsevier
Pages: - Volume / Issue: 517 (6) Sequence Number: - Start / End Page: 2048 - 2054 Identifier: ISSN: 0040-6090
CoNE: https://pure.mpg.de/cone/journals/resource/954925449792