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Active participation of 1πσ* states in the photodissociation of tyrosine and its subunits
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Iqbal, Azhar and Stavros, Vasilios G.. (2010) Active participation of 1πσ* states in the photodissociation of tyrosine and its subunits. Journal of Physical Chemistry Letters, Vol.1 (No.15). pp. 2274-2278. ISSN 1948-7185
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Official URL: http://dx.doi.org/10.1021/jz100814q
Abstract
The ubiquitous nature of (1)pi sigma* states in biological molecules has been a prime focus in recent years. Understanding the role of this dissociative state in the amino acids and their respective chromophores following UV excitation would enable a step change toward establishing a better understanding of the mechanisms of photostability of larger peptides in the gas-phase. This letter presents the first evidence of the active involvement of (1)pi sigma* states in the H-atom elimination of the amino acid tyrosine and its subunit tyramine, following excitation at 200 nm.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QD Chemistry |
| Divisions: | Faculty of Science > Chemistry |
| Library of Congress Subject Headings (LCSH): | Photodissociation, Molecular dynamics, Tyrosine, Excited state chemistry |
| Journal or Publication Title: | Journal of Physical Chemistry Letters |
| Publisher: | American Chemical Society |
| ISSN: | 1948-7185 |
| Official Date: | 5 August 2010 |
| Volume: | Vol.1 |
| Number: | No.15 |
| Number of Pages: | 5 |
| Page Range: | pp. 2274-2278 |
| Identification Number: | 10.1021/jz100814q |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Funder: | Royal Society (Great Britain), Engineering and Physical Sciences Research Council (EPSRC), University of Warwick |
| Grant number: | EP/E011187 (EPSRC) |
| URI: | http://wrap.warwick.ac.uk/id/eprint/5375 |
Data sourced from Thomson Reuters' Web of Knowledge
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