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Singlet Molecular Oxygen and Superoxide Radical Anion
Author(s) -
Rosenthal Ionel
Publication year - 1975
Publication title -
israel journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.908
H-Index - 54
eISSN - 1869-5868
pISSN - 0021-2148
DOI - 10.1002/ijch.197500013
Subject(s) - chemistry , singlet oxygen , rubrene , superoxide , photochemistry , ion , quenching (fluorescence) , oxygen , molecular oxygen , singlet state , sensitization , fluorescence , atomic physics , excited state , organic chemistry , immunology , biology , physics , quantum mechanics , enzyme
Singlet molecular oxygen generated photochemically by rubrene sensitization or by direct excitation in a microwave‐discharged stream of oxygen at low pressure is physically quenched by superoxide radical ion in aprotic media, with a quenching rate k q = 3.6 ± 0.1 × 10 7 M −1 s −1 .
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