News tagged with chemical signal

The secret to sniffing out a safe supper

When mice smell the scent of food on the breath of their fellow mice, they use that experience to decide what's safe to eat in the future. Key in that learning process is the pairing of a particular odor with a chemical ingredient ...

Jul 15, 2010
4 / 5 (2) 0 | with audio podcast

Computer program takes on protein puzzle

(PhysOrg.com) -- All proteins self-assemble in a fraction of the blink of an eye, but it can take a long time to mimic the process. And there has been no guarantee of success, even with the most powerful computers - until ...

Jul 06, 2010
4.2 / 5 (9) 1 | with audio podcast

Pride, prejudice and the 'Darcin effect'

The pheromone that attracts female mice to the odour of a particular male has been identified. Named 'darcin' by researchers writing in the open access journal BMC Biology (after Darcy, the attractive hero in Jane Austen ...

Jun 02, 2010
5 / 5 (1) 0 | with audio podcast

Using a pest's chemical signals to control it

Agricultural Research Service (ARS) scientists are tapping into the biochemistry of one of the world's most damaging insect pests to develop a biocontrol agent that may keep the pest away from gardens and ...

May 17, 2010
5 / 5 (1) 0

Synthetic enzymes could help ID proteins

(PhysOrg.com) -- Using a rare metal that's not utilized by nature, Rice University chemists have created a synthetic enzyme that could help unlock the identities of thousands of difficult-to-study proteins, including many ...

Apr 28, 2010
5 / 5 (2) 0 | with audio podcast

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
5 / 5 (2) 0