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Citation: Fang Xing-Wang, Li Feng-Mei, Wu Ji-Lan, Di Shao-Jie, Wei Gen-Shuan, Ru Bing-Gen. Pulse Radiolysis of Rabbit Liver Metallothionein in Aqueous Solution[J]. Acta Physico-Chimica Sinica, ;1993, 9(05): 702-705. doi: 10.3866/PKU.WHXB19930525 shu

Pulse Radiolysis of Rabbit Liver Metallothionein in Aqueous Solution

1.
Department of Technical Physics, Peking University, Beijing 100871; Institute of Law Energy, Beijing Normal University, Beijing 100875; Life Science Center, Peking University Beijing 100871

Received Date: 9 March 1992
Available Online: 15 October 1993

Metallothioneins(MTs) are widely occuring proteins characterizied by a low molecular weight (6500—6800) and an extremely high metal and sulfur content. The mechanizm of pulse radiolysis of rabbit liver MT-I in aqueous solution was studied. After pulse radiolysis, two peaks occured with maximum absorption at 450 nm and 280 nm. It was supposed that the first peak was due to RSSR~- radical formed by the combination of RS·radical and RS~- anion. The observed kinetic constants of growth and decay of RSSR~- radical were estimated from the absorption spectra.
- Metallothionein; Pulse radiolysis; Radiolysis mechanizm
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