Artificial cells
Sometimes, when you need to deliver drugs to just the right spot in the body, a pill or an injection won't cut the mustard. Daniel Hammer, professor of bioengineering at the University of Pennsylvania, has a better method: artificial cells, made from polymers, which can mimic the ease with which white blood cells travel through the body. Called c, these fake cells could deliver drugs directly where they're needed, making it easier and safer to fight off certain diseases, including cancer.
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