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高铁血红蛋白及其衍生物的圆二色性和磁圆二色性研究。

Circular dichroism and magnetic circular dichroism studies on methemoglobin and its derivatives.

作者信息

Kajiyoshi M, Anan F K

出版信息

J Biochem. 1977 May;81(5):1327-33.

PMID:893356
Abstract

CD and MCD spectra of human methemoglobin and its derivatives were studied with special reference to the relation of CD and MCD spectra to the magnetic moments. The intensities of MCD peaks of methemoglobin derivatives at 270 nm were inversely proportional to their magnetic susceptibility, and there was a linear relationship between magnetic ellipticity and magnetic susceptibility. The MCD peak intensity of methemoglobin peroxide compound was close to that of methemoglobin cyanide complex, suggesting that the methemoglobin peroxide compound is in a low-spin state.

摘要

对人高铁血红蛋白及其衍生物的圆二色光谱(CD)和磁圆二色光谱(MCD)进行了研究,特别关注了CD和MCD光谱与磁矩的关系。高铁血红蛋白衍生物在270nm处的MCD峰强度与其磁化率成反比,磁椭圆率与磁化率之间存在线性关系。高铁血红蛋白过氧化物化合物的MCD峰强度接近高铁血红蛋白氰化物络合物的MCD峰强度,表明高铁血红蛋白过氧化物化合物处于低自旋状态。

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