Researchers have developed a technique that allows a gold nanoparticle to securely carry actinium, an emitter of alpha particles that can target and destroy cancer cells at close range. "With our nanoparticle design, we are able to keep more than 80 percent of the element inside the nanoparticle 24 hours after it is created," said researcher J. David Robertson from the University of Missouri. More studies are needed before human drug development can be started, researchers said. The study was published in PLOS ONE.
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