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Issue 12, 2016
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Shell-isolated nanoparticle-enhanced Raman spectroscopy study of the adsorption behaviour of DNA bases on Au(111) electrode surfaces

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Abstract

For the first time, we used the electrochemical shell-isolated nanoparticle-enhanced Raman spectroscopy (EC-SHINERS) technique to in situ characterize the adsorption behaviour of four DNA bases (adenine, guanine, thymine, and cytosine) on atomically flat Au(111) electrode surfaces. The spectroscopic results of the various molecules reveal similar features, such as the adsorption-induced reconstruction of the Au(111) surface and the drastic Raman intensity reduction of the ring breathing modes after the lifting reconstruction. As a preliminary study of the photo-induced charge transfer (PICT) mechanism, the in situ spectroscopic results obtained on single crystal surfaces are excellently illustrated with electrochemical data.

Graphical abstract: Shell-isolated nanoparticle-enhanced Raman spectroscopy study of the adsorption behaviour of DNA bases on Au(111) electrode surfaces

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Publication details

The article was received on 25 Jan 2016, accepted on 11 Mar 2016 and first published on 14 Mar 2016


Article type: Paper
DOI: 10.1039/C6AN00180G
Citation: Analyst, 2016,141, 3731-3736
  • Open access: Creative Commons BY license
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    Shell-isolated nanoparticle-enhanced Raman spectroscopy study of the adsorption behaviour of DNA bases on Au(111) electrode surfaces

    B. Wen, X. Jin, Y. Li, Y. Wang, C. Li, M. Liang, R. Panneerselvam, Q. Xu, D. Wu, Z. Yang, J. Li and Z. Tian, Analyst, 2016, 141, 3731
    DOI: 10.1039/C6AN00180G

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