News tagged with chemical signals

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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
5 / 5 (1) 0

Adjustable valves gave ancient plants the edge

Controlling water loss is an important ability for modern land plants as it helps them thrive in changing environments. New research from the University of Bristol, published today in the journal Current Biology, shows ...

Jun 09, 2011
4 / 5 (1) 0 | with audio podcast

Dynamics of crucial protein 'switch' revealed

Researchers at the University of Texas Medical Branch at Galveston and the University of California-San Diego School of Medicine have published a study that offers a new understanding of a protein critical to physiological ...

May 17, 2011
4 / 5 (2) 0 | with audio podcast

Cancer on the breath? The nose knows

A breath test for "sniffing out" cancer in a person's breath is a step closer to reality, according to a study recently published in the British Journal of Cancer. The study results show that the device develo ...

May 16, 2011
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Ant’s social network similar to Facebook

(PhysOrg.com) -- A recent study in the Journal of the Royal Society Interface presents findings that show that not all ants are as social as others. Similar to your friends on Facebook, some ants communicate with o ...

Apr 14, 2011 report
4.5 / 5 (8) 0 | with audio podcast

Nailing down a crucial plant signaling system

Plant biologists have discovered the last major element of the series of chemical signals that one class of plant hormones, called brassinosteroids, send from a protein on the surface of a plant cell to the cell's nucleus. ...

Jan 23, 2011
5 / 5 (1) 0 | with audio podcast