Laser Chemistry

Laser Chemistry / 1982 / Article

Open Access

Volume 1 |Article ID 264572 | https://doi.org/10.1155/LC.1.45

P. Valat, H. Tourbez, B. Alpert, "Electronic Relaxation and Oxygen Recombination Processes in Photodissociated Oxyhemoglobin After Picosecond Flash Photolysis", Laser Chemistry, vol. 1, Article ID 264572, 13 pages, 1982. https://doi.org/10.1155/LC.1.45

Electronic Relaxation and Oxygen Recombination Processes in Photodissociated Oxyhemoglobin After Picosecond Flash Photolysis

Received11 Jan 1982
Accepted18 May 1982

Abstract

Oxyhemoglobin photolysis has been investigated with picosecond laser techniques. Transient light absorption changes observed within 500–600 nm reveal two processes following photodissociation: electronic relaxation up to 400 ps after dissociation and a partial religation during 3 ns. The kinetics of oxygen geminate recombination at pH 7 and 22°C has a monoexponential decay with a lifetime of 1.5 ns ± 0.1 ns.

Copyright © 1982 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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