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Deuterium magnetic relaxation process during the polymerization of hemoglobin s

机译:血红蛋白聚合过程中氘的磁弛豫过程

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摘要

The deuterium and the proton spin-spin relaxation times are investigated at 4 MHz in partially deuterated samples of hemoglobin A and S at 36 degrees C during spontaneous deoxygenation. Deuterium relaxation shows a sigmoidal behavior describing the three characteristic phases of hemoglobin S (HbS) polymerization. The coincidence between the behaviors of deuterium and proton relaxation supports the dominant effect of agglutination on macromolecular mobility. Evidences of an increase of the internal electric field gradient and the appearance of a modified charge distribution inside the HbS solution, as a result of the polymerization process under spontaneous deoxygenation, were not found.
机译:在自发脱氧过程中,在36摄氏度下,部分氘化血红蛋白A和S在4 MHz时,研究了氘和质子自旋自旋弛豫时间。氘的弛豫表明乙状结肠的行为描述了血红蛋白S(HbS)聚合的三个特征阶段。氘和质子弛豫行为之间的一致性支持了凝集作用对大分子迁移的主要作用。没有发现由于自发脱氧作用下的聚合过程而导致的内部电场梯度增加和HbS溶液内部电荷分布发生改变的迹象。

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