News tagged with chemical signal

Nanoparticles detect biochemistry of inflammation

Inflammation is the hallmark of many human diseases, from infection to neurodegeneration. The chemical balance within a tissue is disturbed, resulting in the accumulation of reactive oxygen species (ROS) such as hydrogen ...

Sep 18, 2012
5 / 5 (1) 0 | with audio podcast

The laser beam as a "3D painter"

(Phys.org)—There are many ways to create three dimensional objects on a micrometer scale. But how can the chemical properties of a material be tuned at micrometer  precision? Scientists at the Vienna University ...

Aug 27, 2012
5 / 5 (2) 0

Lighting up the plant hormone 'command system'

Light is not only the source of a plant's energy, but also an environmental signal that instructs the growth behavior of plants. As a result, a plant's sensitivity to light is of great interest to scientists and their research ...

Jul 22, 2012
5 / 5 (1) 0 | with audio podcast

Plant perfumes woo beneficial bugs

Scientists funded by the Biotechnology and Biological Sciences Research Council (BBSRC) have discovered that maize crops emit chemical signals which attract growth-promoting microbes to live amongst their roots. This is the ...

Apr 24, 2012
5 / 5 (1) 0 | with audio podcast

'Worm speak' uses chemicals to communicate

(PhysOrg.com) -- A species of small, transparent roundworms have a highly evolved language in which they combine chemical fragments to create precise molecular messages that control social behavior, reports ...

Jan 26, 2012
4.8 / 5 (13) 4 | with audio podcast