Smartdust is a hypothetical system of many tiny microelectromechanical systems (MEMS) such as sensors, robots, or other devices, that can detect, for example, light, temperature, vibration, magnetism or chemicals; are usually networked wirelessly; and are distributed over some area to perform tasks, usually sensing.
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On this very day when world observes ‘CANCER DAY’, there is a new hope coming up in the diagnosis of the deadly disease.
Dogs can sniff out bowel cancer in breath and stool samples, with a very high degree of accuracy – even in the early stages of the disease – according to new research published online.
As a result, authors suggest that chemical compounds for specific cancers circulate throughout the body, which opens up the prospect of developing tests to pick up the disease before it has had the chance to spread elsewhere.
A specially trained Labrador retriever completed 74 sniff tests, each comprising five breath (100 to 200 ml) or stool samples (50 ml) at a time, only one of which was cancerous, over a period of several months.The bowel cancer samples came from patients with varying stages of disease, including early stage.
The finding shows that the brain handles memories differently during sleep than while awake, says Sara Mednick, a cognitive neuroscientist at the University of California, San Diego who was not involved in the research. Armed with this new knowledge, she says, therapists may be able to destabilize traumatic memories and overwrite the bad memories with good ones, then solidify the new memory with a nap.
26th March 2011
DEPARTMENT OF BIOMEDICAL ENGINEERING
VELALAR COLLEGE OF ENGINEERING AND TECHNOLOGY
(10TH ANNIVERSARY CELEBRATIONS)
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PH: 0424-2430333, 2431725.FAX: 0424-2431725.
E-mail: bmebionikx@gmail.com
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