Washington University School of Medicine in St. Louis, scientists are using miniature wireless LED to identify and map the neural circuits in the brain so that taking advantage of the LED light activates genes and control individual brain cells. They get gene from the specific type of light-activated neurons , and insert it into the mouse brain. Subsequently , shining light into the brains of mice can activate or inhibit the activity of neurons . The research may provide depression, anxiety, addiction with better treatment one day .
This innovative research work has been recognized by EUREKA projects and funding allocations . EUREKA grant funded project is established by the U.S. National Institutes of Health (NIH) to fund the innovative research projects and establish new methods and new concepts so that solve major problems or open up new areas of research . U.S. National Institutes of Health provide 12-18 year such funding.
Thanks to the funding assistance , assistant professor of anesthesiology , Dr. Michael R.Bruchas and his colleagues will use micro- LED devices studied. Bruchas and his colleagues will put the LED device which is thinner than a human hair this into a specific position called ” brain reward ” the mice brain neurons in a recent study. When the mice pokes his nose in the case of certain feeling confused， the light-activated neurons will release a chemical dopamine associated with pleasure .
Period of four years and a total of $ 1.2 million in funding expect to make that Bruchas and his team could develop a specialized light-sensitive G protein-coupled receptors, so researchers can take advantage of the light to control brain cell signaling . These new implanted tools together with the wireless micro receptors LED devices are put in rat brains to reveal more of the pressure , depression, addiction or below the molecular and cellular events .
Unlike most of the previous light genetic technology test , the tiny LED used by the University of Washington researchers is controlled by the wireless, easy to operate . In the study, animals can move freely without being limited by the control wire.
It is obvious that the third generation of high-tech energy-saving LED is indeed significantly different from the traditional lighting , it do not only simply provide lighting, in addition to pretty closely related to medicine,chemical，smart phones，automotive，design，agriculture,aerospace to give us pretty perfect convenience.
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