Studies on the Catalytic Spectrophotometry Using SDS-Schiff Cu(Ⅱ) Complex as Mimetic Enzyme

Abstract

Abstract: Anew Schiff base, 2-hydroxy-1-napthaldehyde-2-amino thiazole(HNATS) and its Cu(Ⅱ) complex was synthesized. The complex[Cu(Ⅱ)-(HNATS)₂] could exhibit an efficient peroxitase like catalytic activity, and catalyze the coupling reaction of 2,4-dichlorophenol and 4-amino antipyrine with hydrogen peroxide. The effect of SDSon the catalytic activity of mimetic enzyme was studied. Based on the reaction, the determination of O₂·- by this new spectrophotometric method was developed. The proposed method was used to determine SODactivity of garlic, scallion and onion with satisfactory results.

Key words: Surfactant, Mimetic enzyme, Catalytic spectrophotometry, Superoxide anion radical, Superoxide dismutase

CLC Number:

O657

TrendMD:

TANG Bo, LIU Yang, TANG Xiao-Ling . Studies on the Catalytic Spectrophotometry Using SDS-Schiff Cu(Ⅱ) Complex as Mimetic Enzyme[J]. Chem. J. Chinese Universities, 2001, 22(6): 919.

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Studies on the Catalytic Spectrophotometry Using SDS-Schiff Cu(Ⅱ) Complex as Mimetic Enzyme

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