Citation: Wu YANG, Jie REN, Jin Zhang GAO, Hua YANG, Dong Yu LÜ, Xiu Hui LIU. A Novel Chemical Oscillator with Tyrosine as the Substrate[J]. Chinese Chemical Letters, ;2003, 14(12): 1281-1284. shu

A Novel Chemical Oscillator with Tyrosine as the Substrate

Institute of Chemistry, Northwest Normal University, Lanzhou 730070

Received Date: 9 December 2002

Fund Project: This work is sponsored by the Project of Youth Teachers Foundation of Education Ministry (3076), the Project of KJCXGC-01, NWNU, and National Natural Science Foundation of China (29875018).

A new chemical oscillating reaction system involving the manganese(II)-catalyzed reaction among potassium bromate, acetone and tyrosine in acidic medium was described in this paper. The apparent activation energy of the induction period (E_in) and that of oscillation period (E_p) were calculated, E_in=110.61 KJ/mol, E_p=159.41KJ/mol. The optimum concentration of each reactant was investigated and a steady chemical oscillating system was obtained.
- Chemical oscillator,
- tyrosine,
- substrate,
- mechanism
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