Self-powered nanoparticles instantly deliver healing drugs to bones
Bioelectric field pulls the negatively charged nanoparticles toward the bone crack
Turning genes on and off in cells by reprogramming an RNA sequence
New method for turning genes on and off could enable more complex synthetic biology circuits
Fiber-optic/nanocrystal system enables live nanoscale sensing
Can sense changes to a single living cell in the human body in response to chemical signals
