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| Content Provider | Springer Nature Link |
|---|---|
| Author | Voicescu, Mariana Heinrich, Martine Hellwig, Petra |
| Copyright Year | 2008 |
| Abstract | Four model compounds, for a tyrosine–histidine covalent bonding, 2-(5-imidazolyl)-4-methylphenol (C–C bonding in ortho-position at the phenyl group); 2′-(1-imidazolyl)-4-methylphenol (C–N bonding in ortho′-position at the phenyl group); 2-(5-imidazolyl)-4-H-phenol and 2-(5-imidazolyl)-4-H-phenol, at physiological pH have been studied by UV-Vis absorption, steady-state and time resolved fluorescence spectroscopy. Their absorption and emission properties are presented and discussed. The photophysical properties depend on the para-substituted phenyl group as well as on C–C/C–N bonding in the Phenol–Imidazole linkage. The N position, N1–N3/N1–N4, in the imidazole group was found to be relevant. The results are discussed with relevance to the redox processes of tyrosine and to better understand the role of a tyrosine–histidine covalent linkage as found in cytochrome c oxidase. |
| Starting Page | 257 |
| Ending Page | 266 |
| Page Count | 10 |
| File Format | |
| ISSN | 10530509 |
| Journal | Journal of Fluorescence |
| Volume Number | 19 |
| Issue Number | 2 |
| e-ISSN | 15734994 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2008-09-03 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Tyrosine–histidine model compounds Cytochrome c oxidase UV absorbance Fluorescence lifetime Analytical Chemistry Biochemistry Biotechnology Biophysics/Biomedical Physics Biomedicine general |
| Content Type | Text |
| Resource Type | Article |
| Subject | Sociology and Political Science Spectroscopy Law Biochemistry Clinical Biochemistry Clinical Psychology |
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