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Citation: Chu Gao-Sheng, Zhang Zhi-Cheng, Zhang Man-Wei, Yao Si-De, Wang Wen-Feng, Lin Nian-Yun. Pulse Radiolysis of Phosphoryl and Non-phosphoryl Methionine in Aqueous Solution[J]. Acta Physico-Chimica Sinica, ;1996, 12(12): 1114-1118. doi: 10.3866/PKU.WHXB19961214 shu

Pulse Radiolysis of Phosphoryl and Non-phosphoryl Methionine in Aqueous Solution

1.
Department of Applied Chemistry,University of Science and Technology of China,Hefei 230026

Received Date: 29 April 1996
Available Online: 15 December 1996

•OH radical induced oxidation of methionine and N-phosphoryl methionine in aqueous solutions has been investigated using optical pulse radiolytical technique, the influence of N-phosphoryl group on the radiolytical processes of methionine has been explained by molecular structure and the rate constants of oxidation of N-phosphoryl methionine (NDM) by the •OH radicals at different pH values have been determined. This research result suggests that the phosphonate ester has a coordinating effect on the radioprotection of methionine to the biological systems.
- Pulse radiolysis,
- Methionine,
- N-phosphoryl methionine,
- α-amino radical
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