New submitter MTorrice writes "Scientists decorated red blood cells with gold nanoparticles so they could trigger the cells to dump their contents with a zap from a laser. The laser pulses heated the particles to produce nanopores in the cells' membranes. The cells contained two fluorescent dyes and both flooded through the pores and out of the cells after the laser pulses. Although the researchers studied the release of dyes, their end goal is to use red blood cells as a vehicle for drug delivery, because the cells are naturally compatible with the immune system and circulate for days in the body. Until now, researchers have found easy ways to load the cells with drugs, but the challenge has been to control the molecules' release."
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