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Issue 36, 2010
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ATP-modulated ionic transport through synthetic nanochannels

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Abstract

Here, we demonstrate an anion controlled molecular gate based on synthetic ion channels modified with polyethyleneimine. For single conical nanochannels, addition of ATP leads to significant decrease in the rectified ion flux, representing the closure of the ionic gate. Complementary experiments performed with nanoporous membranes show that the flux of charged dye (NDS2−) through a cylindrical nanochannel array diminishes by the co-addition of ATP in the analyte solution.

Graphical abstract: ATP-modulated ionic transport through synthetic nanochannels

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Article information


Submitted
28 May 2010
Accepted
26 Jul 2010
First published
25 Aug 2010

Chem. Commun., 2010,46, 6690-6692
Article type
Communication

ATP-modulated ionic transport through synthetic nanochannels

M. Ali, Q. H. Nguyen, R. Neumann and W. Ensinger, Chem. Commun., 2010, 46, 6690
DOI: 10.1039/C0CC01632B

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