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首页> 外文期刊>The journal of physical chemistry, C. Nanomaterials and interfaces >Investigation of Ion Transport Traversing the 'Ion Channels' by Scanning Electrochemical Microscopy (SECM)
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Investigation of Ion Transport Traversing the 'Ion Channels' by Scanning Electrochemical Microscopy (SECM)

机译:扫描电化学显微镜(SECM)研究离子迁移穿过“离子通道”的过程

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摘要

In the nervous system, ion channels are essential for all processes. The highly ordered porous anodic aluminum oxide (AAO) was modified at the interface between two immiscible electrolyte solutions (ITIES) to recover the process of ion transfer through the ion channels. The study on dynamic process of ion transfer through the ion channels obtained for D_(K+)~0 is 1.40 x 10~(-8) cm~2 s~(-1) and D_(Na+)~0 is 2.74 X 10~(-7) cm~2 s~(-1). The result offers tremendous advantages for linear relationship between the half-wave potential and concentration of K~+ and Na . In addition, it will be helpful to understand both the mechanism about the dynamics and thermodynamics processes mechanism about the dynamics and thermodynamics processes of ion transfer through the ion channels and the role about ionic concentration in nerve conduction.
机译:在神经系统中,离子通道对于所有过程都是必不可少的。在两种不混溶的电解质溶液(ITIES)之间的界面处对高度有序的多孔阳极氧化铝(AAO)进行了改性,以恢复通过离子通道进行离子转移的过程。 D_(K +)〜0为1.40 x 10〜(-8)cm〜2 s〜(-1),D_(Na +)〜0为2.74 X 10〜 (-7)厘米〜2秒〜(-1)。结果为半波电势与K〜+和Na的浓度之间的线性关系提供了巨大的优势。此外,了解有关动力学和热力学过程的机理,以及有关离子通过离子通道转移的动力学和热力学过程的机理,以及离子浓度在神经传导中的作用都将是有帮助的。

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