With a microfabricated ion pump built from organic electronic components, ions can be sent to nerve or muscle cells at the speed of the nervous system and with a precision of a single cell. “Now we can start to develop components that speak the body’s own language,” says Daniel Simon, head of bioelectronics research at the Laboratory of Organic Electronics, Linköping University, Campus Norrköping.
Our nerve and muscle cells send signals to each other using ions and molecules. Certain substances, such as the neurotransmitter GABA (gamma aminobutyric acid), are important signal substances throughout the central nervous system. Eighteen months ago, researchers at the Laboratory of Organic Electronics demonstrated an ion pump which researchers at the Karolinska Institutet could use to reduce the sensation of pain in awake, freely-moving rats.
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