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Conformational tran...
Conformational transitions in a free amino acid functionalized polythiophene
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- Nilsson, K.Peter R. (author)
- Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska högskolan
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- Andersson, M.R. (author)
- Department of Polymer Technology, Chalmers University of Technology, SE-412 96 Göteborg, Sweden
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- Inganäs, Olle (author)
- Linköpings universitet,Tekniska högskolan,Biomolekylär och Organisk Elektronik
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(creator_code:org_t)
- Elsevier, 2003
- 2003
- English.
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In: Synthetic metals. - : Elsevier. - 0379-6779 .- 1879-3290. ; 135-136, s. 291-292
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Abstract
Subject headings
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- A chiral, 3-substituted polythiophene with an amino acid function shows pH-dependent visible, emission and circular dichroism spectra in buffered aqueous solution. At pH equal to pi of the amino acid, the backbone adopts a non-planar right-handed helical conformation and the polymer chains are separated from each other. Increasing pH leads to a more planar conformation of the backbone and an aggregation of the polymer chains occurs. A lower pH will also lead to a more planar conformation of the backbone, but aggregation of the polymer chains appears to be absent. © 2003 Elsevier Science B.V. All rights reserved.
Keyword
- Optical absorption and emission spectroscopy
- Polythiophene derivative
- TECHNOLOGY
- TEKNIKVETENSKAP
Publication and Content Type
- ref (subject category)
- art (subject category)
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