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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-8676

Hamm, P; Helbing , J; Bredenbeck, J (2008). Two-dimensional infrared spectroscopy of photoswitchable peptides. Annual Review of Physical Chemistry, 59:291-317.

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Abstract

We present a detailed discussion of the complimentary fields of the application of two-dimensional infrared (2D-IR) spectroscopy in comparison with two-dimensional nuclear magnetic resonance (2D-NMR) spectroscopy. Transient 2D-IR (T2D-IR) spectroscopy of nonequilibrium ensembles is probably one of the most promising strengths of 2D-IR spectroscopy, as the possibilities of 2D-NMR spectroscopy are limited in this regime. T2D-IR spectroscopy uniquely combines ultrafast time resolution with microscopic structural resolution. In this article we summarize our recent efforts to investigate the ultrafast structural dynamics of small peptides, such as the unfolding of peptide secondary structure motifs. The work requires two ingredients: 2D-IR spectroscopy and the possibility of triggering a structural transition of a peptide on an ultrafast timescale using embedded or intrinsic photoswitches. Several photoswitches have been tested, and we discuss our progress in merging these two pathways of research.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Chemistry
DDC:540 Chemistry
Language:English
Date:2008
Deposited On:16 Jan 2009 16:34
Last Modified:05 Jun 2014 13:51
Publisher:Annual Reviews
ISSN:0066-426X
Additional Information:Posted with permission from the Annual Review of Physical Chemistry, Volume 59 © 2008 by Annual Reviews, http://www.annualreviews.org
Publisher DOI:10.1146/annurev.physchem.59.032607.093757
PubMed ID:17988202

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