Journal
CHEMBIOCHEM
Volume 8, Issue 15, Pages 1834-1840Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cbic.200700321
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Ion-channel mimics are able to transmit electrical signals across phospholipid membranes, and can be envisioned as nanoswitches for molecular electronics. Here, we reported the use of pH to alter ion-transport rates through a synthetic aminocyclodextrin ion channel. Both cation- and anion-transport rates were found to increase with an increase in pH due to the unique electrostatics of the multiple ammonium groups that line the channel pore. Such pH regulation of ion transport rates is unique and con be exploited for sensing applications.
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