Optogenetics
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Researchers have succeeded in activating a hibernation-like state in mice and rats, opening up the possibility that this type of “suspended animation” might eventually be used for preserving human organs for transplant, or even deep space travel.
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What drives pain and how it might be prevented in humans are complex questions demanding complex answers, but scientists at Duke University have come across a rather simple one, comparatively speaking.
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Some bacteria inject toxins into host cells using a syringe-like appendage. Past research has found we could hijack that as a new drug delivery system, and now Max Planck scientists have developed a way to control the mechanism using light.
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New research from Tufts University may make it a little easier to manage diabetes. In mouse tests, the team implanted beta cells that produce more insulin on demand, when they’re activated by blue light.
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Researchers from UT Southwestern implanted “memories” into the brains of zebra finches, teaching them to sing a song they’ve never actually heard.
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Engineers have recently focused on trying to emulate the structure of the brain with artificial synapses. Now, a team of researchers have made a new artificial synapse design that works using a light-based biotechnology technique called optogenetics.
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Currently, if people have urinary problems such as incontinence or an overactive bladder, medication and/or electronic nerve-stimulating implants are required. An experimental new implant may work better, however, treating the problem using integrated micro-LEDs.
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The field of optogenetics is all about using light to stimulate cells in the body. Now, researchers from Flinders University have used the technique to shine a light where the Sun don’t shine, stimulating nerves in the gut to relieve chronic constipation.
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A new study has opened up a potential pathway to future anti-anxiety treatments after effectively demonstrating the identification of specific "anxiety cells" in the brains of mice and successfully turning those cells on or off with beams of light.
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While there's no shortage of glucose-monitoring devices on the market, a team of Chinese scientists is going one step further to make life easier for diabetics. They've created a system that uses a smartphone to direct engineered cells to produce insulin when needed.
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Researchers have developed a system that a living dragonfly can wear like a backpack, allowing engineers to steer it remotely to deliver payloads, conduct reconnaissance and even guide pollination.
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Laser-activated killer mice? It might not be so far-fetched thanks to new research out of Yale that triggered stalking and biting behaviors in mice by stimulating neurons with light.
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