Sentences with phrase «emitting chemical signals»

Marta Zaraska revealed how plants communicate by emitting chemical signals (17 February, p 32).

Not exact matches

Using what's called dielectric properties — chemical changes that occur as a fruit ripens or rots, for example — the sensors emit an electromagnetic signal that can be monitored by a reader.

However, in people with asthma, the M2 cells and the chemical signals they emit linger and call in other cells that cause inflammation that can trigger an asthma attack with the classic symptoms of difficulty breathing, wheezing and shortness of breath.

The researchers engineered a strain in which a Synechococcus gene normally turned on during photosynthesis signals its activity by switching on the gene for luciferase, an enzyme from another bacterium that drives a light - emitting chemical reaction.

In the latest issue of the Journal of Great Lakes Research, they describe a potent pheromone that Eurasian ruffe emit when injured, and this chemical signal repulses other ruffe.

Apparently, the irradiated cells pass on a distress signal or emit some chemical that breaks the DNA of neighboring cells (ScienceNOW, 7 September 2005).

The goal here is to fashion simple biocomputers that use DNA and proteins to recognize specific chemical targets, store a few bits of information, and then report their status by changing color or emitting some other easily detectable signal.

The excited atoms, in turn, emit signals that can be used to create images of the brain, muscle, and other tissues, which can be distinguished based on the local physical and chemical environment of the water molecules.

In one on - going project, funded by Harvard University's Climate Change Solutions Fund (CCSF), Martin and his team are mapping and monitoring the unique chemical signals emitted by trees known as volatile organic compounds (VOCs).

Drones launch from a tower in the Amazon rainforest to map and monitor the unique chemical signals emitted by trees known as volatile organic compounds (VOCs).

Blue light emitted by electronic displays can make it hard for the brain to create the chemical that signals your body that it's time to sleep.