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A DNA nanorobot functions as a cancer therapeutic in response to a molecular trigger in vivo | Nature Biotechnology
DNA origami folded as tube binds to vascular cells at tumor sites and unfolds, releasing blood clotting enzyme thrombin. Blood clots lead to tumor cell necrosis.
cancer  cure  nanotech  DNA  robot 
9 weeks ago by dandv
Infrared Mice. Wait, What? | Ultraphyte
So the researchers injected upconversion nanoparticles into the retinas of mices. The nanoparticles coated the mouse photoreceptor cells, where they could absorb infrared and emit light in the visible range (green). When the mice were given green light (535 nanometers wavelength) they produced electrical signals. And when the nanoparticle-injected mice were exposed to near-infrared light (980 nm) them also produced electrical signals–in response to the green light emitted by upconversion of the nanoparticles.
mice  science  nanotech  vision 
march 2019 by yorksranter
MIT Figured out a Way to Shrink Objects to Nanoscale
It's the inverse of expansion microscopy -- place things in a hydrated diaper-like matrix then dehydrate to shrink it to a tiny scale.
materialsscience  nanotech  via:reddit  science 
december 2018 by mcherm

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