Shape-shifting nanoparticles flip from sphere to net in response to tumor signal

Tiny spherical particles float easily through the bloodstream after injection, then assemble into a durable scaffold within diseased tissue. An enzyme produced by a specific type of tumor can trigger the transformation of the spheres into netlike structures that accumulate at the site of a cancer.

Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/m...