NDLI: Controlling potassium selectivity and proton blocking in a hybrid biological/solid-state polymer nanoporous membrane

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Controlling potassium selectivity and proton blocking in a hybrid biological/solid-state polymer nanoporous membrane

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Inside back cover

Back cover

Nanoscale Vol - 5 Issue - 8

Nanoscale Vol - 5 Issue - 7

Nanoscale Vol - 5 Issue - 6

Nanoscale Vol - 5 Issue - 5

Nanoscale Vol - 5 Issue - 4

Nanoscale Vol - 5 Issue - 3

Controlling potassium selectivity and proton blocking in a hybrid biological/solid-state polymer nanoporous membrane

Content Provider	Royal Society of Chemistry (RSC)
Author	Janot, Jean Marc Balme, Sébastien Picaud, Fabien Kraszewski, Sebastian Déjardin, Philippe Capomanes, Jhon Ramseyer, Christophe Henn, François Lepoitevin, Mathilde
Copyright Year	2013
Abstract	Specific separations of protons and cations are usually performed by electromembrane processes, which require external electric energy. An easier process would be using a membrane able to separate both entities by passive diffusion. Presently, such synthetic nanoporous membranes do not exist. Here, we report the production of a robust hybrid biological/artificial solid-state membrane, which allows selective permeation of alkali metal cations without competing or concurrent permeation of protons. This membrane is simple to prepare and is based on the hydrophobic nature of the polymeric pore walls, and the confined gramicidin A molecules within. This work opens a new route for separation in the domain of nanobiofiltration, especially for tunable nanodevices based on differential ion conduction, with a fundamental understanding of the confinement mechanism.
Starting Page	3961
Ending Page	3968
Page Count	8
File Format	HTM / HTML PDF
ISSN	20403364
Volume Number	5
Issue Number	9
Journal	Nanoscale
DOI	10.1039/c3nr00564j
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Gramicidin Ion Alkali metal Hydrophobe Diffusion
Content Type	Text
Resource Type	Article
Subject	Nanoscience and Nanotechnology

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