News tagged with chemical signal

New delivery system for Viagra ingredient

Scientists are reporting development and successful initial tests of a potential new delivery system for the biological signaling agent responsible for the effects of Viagra. It could be used to deliver the ...

Jun 22, 2011
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'Smart scaffolds' may help heal broken hearts

Canadian researchers have, for the first time, developed an organic substance that attracts and supports cells necessary for tissue repair and can be directly injected into problem areas. This development, published online ...

Jan 12, 2009
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Bioelectronics could lead to a new class of medicine

Imagine having tiny electronics implanted somewhere in your body that can regulate nerve signals and make symptoms of various disorders go away. That's the vision of the field of bioelectronic medicine—the emerging discipline ...

Jul 02, 2014
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How immune cells 'sniff out' bacteria

Scientists are learning how our immune system senses and tracks down infection in the body by responding to chemical "scents" emitted by bacteria. Studying how immune cells manipulate their movement in response ...

Mar 29, 2010
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