锰离子作为自旋标记物用于线粒体对锰摄取的研究。
Manganous ion as a spin label in studies of mitochondrial uptake of manganese.
作者信息
Gunter T E, Puskin J S
出版信息
Biophys J. 1972 Jun;12(6):625-35. doi: 10.1016/S0006-3495(72)86108-3.
Abstract
Manganous ion (Mn(2+)) has been used as a spin label for studies of divalent cation uptake by rat liver mitochondria. Spin exchange, observed in the electron paramagnetic resonance (EPR) spectrum of a fraction of the transported Mn(2+), shows that this fraction is bound in regions of high local concentration within the mitochondria. The average separation of manganese ions in that fraction is estimated to be 4.0 +/-0.6 A at the time of greatest concentration.
摘要
锰离子（Mn(2+)）已被用作自旋标记物，用于研究大鼠肝脏线粒体对二价阳离子的摄取。在一部分转运的Mn(2+)的电子顺磁共振（EPR）光谱中观察到的自旋交换表明，这部分Mn(2+)结合在线粒体内局部高浓度区域。在浓度最高时，该部分中锰离子的平均间距估计为4.0±0.6埃。
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