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光声量热法测定辅酶B₁₂的光解量子产率

Photoacoustic Investigation of Photolysis of Coenzyme B₁₂

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【Author】 Fu Shaowei Luo Laibin1 Chen Huilan1 Wu Zongsen Zhang Shuyi (Laboratory of Modern Acoustics and Institute of Acoustics, Naning University Naning 210093,1Laboratory of Coordination Chemistry Nanjing University Nanjing 210093)

【机构】南京大学声学研究所!南京； 2100932；南京大学化学系南京； 210093；南京大学化学系!南京；

【Abstract】 A photoacoustic detection system consisted of a piezoelectric cylindrical tube trans-ducer is applied to measure the photolysis of Coenzyme B12 (5’-deoxyadenosylcobalamin, AdoCbl)in methanol to obtain the quantum yield, φ. The value of 0.20±0.05 is in agreement with that obtained in aqueous solution by other authors with an optical method.更多还原