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Injectable microLEDs Turn Light On in Brain

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CHAMPAIGN, Ill., April 15, 2013 — Microscopic LEDs injected deep inside the brain are the latest probe for triggering targeted neurons, providing insight into the brain’s structure, function and complex connections. Researchers at the University of Illinois at Urbana-Champaign and at Washington University in St. Louis have developed ultrathin, flexible optoelectronic devices — including neuron-size LEDs — that are illuminating the mysteries of the brain for neuroscientists in optogenetics and beyond. “These materials and device structures open up new ways to integrate semiconductor...Read full article

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    Published: April 2013
    Glossary
    optoelectronics
    Optoelectronics is a branch of electronics that focuses on the study and application of devices and systems that use light and its interactions with different materials. The term "optoelectronics" is a combination of "optics" and "electronics," reflecting the interdisciplinary nature of this field. Optoelectronic devices convert electrical signals into optical signals or vice versa, making them crucial in various technologies. Some key components and applications of optoelectronics include: ...
    optogenetics
    A discipline that combines optics and genetics to enable the use of light to stimulate and control cells in living tissue, typically neurons, which have been genetically modified to respond to light. Only the cells that have been modified to include light-sensitive proteins will be under control of the light. The ability to selectively target cells gives researchers precise control. Using light to control the excitation, inhibition and signaling pathways of specific cells or groups of...
    AmericasBiophotonicsDepartment of EnergyDOEIllinoisImaginginjectable LEDsJohn A. RogersLEDsLight SourcesMichael R. BruchasMissouriNational Institutes of HealthOpticsoptoelectronicsoptogeneticsResearch & TechnologySensors & DetectorsUniversity of Illinois at Urbana-ChampaignWashington University in St. Louis

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