Ion-Selective Membranes: Invention Regulates Nerve Cells Electronically

A group of bioelectronics researchers say they have made a major step toward being able to regulate nerve cells externally.  Their breakthrough is based on an ion transistor of plastic that can transport ions and charged biomolecules and thereby address and regulate cells. Previously, use has been made of nano-canals and nano-pores to actively control the concentration and transport of ions but those components are difficult to produce and function poorly when the salt content is high, obviously something that would be an issue in interaction with biological systems. read more

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