PHOTOLYSIS MECHANISM OF AQUEOUS TYROSINE UPON EXCITATION OF THE SECOND ABSORPTION BAND
Author:
- 1 April 1984
- journal article
- Published by Wiley in Photochemistry and Photobiology
- Vol. 39 (4) , 507-509
Abstract
Abstract—The formation mechanism of tyrosinyl radical was studied for aqueous solutions of tyrosine under irradiation at 235 nm which falls into the second absorption band. The work is based upon the analysis of the rate of bityrosine production for steady‐state excitation at low intensity. The results indicate that monophotonic O‐H bond cleavage of tyrosine, presumably involving the upper excited triplet state, is the initial photoprocess leading to the tyrosinyl radical when tyrosine is excited into the second absorption band.Keywords
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