The Channel Behavior of Gramicidin in Mercaptan Self-assembled Monolayer Membrane

Abstract

Abstract: The present paper reports the channel behavior of gramicidin in mercaptan self-assembled mono-layer on the surface of the gold electrode by using the electrochemical method.The current responses to K+ ions and the electrode potential for the gold electrodes modified .with self-assembled mercaptan mono-layer incorporating and not incorporating gramicidin Dwere compared.The results firstly indicated that gramicidin Dmolecules can be incorporated into the mercaptan monolayer assembled on the surface of the gold electrode and form monovalent ion channel.Amechanism of the phenomenon was proposed.

Key words: Gramicidin, Self-assembled monolayer, Ion channel

CLC Number:

O646

TrendMD:

GUO Ji-Dong, XING Wei, LU Tian-Hong, YANG Hui. The Channel Behavior of Gramicidin in Mercaptan Self-assembled Monolayer Membrane[J]. Chem. J. Chinese Universities, 2002, 23(5): 958.

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The Channel Behavior of Gramicidin in Mercaptan Self-assembled Monolayer Membrane

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