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Magnetic nanoparticles coated with a specialized targeting molecule were able to latch on to cancer cells in mice and drag them out of the body. The results are described in a study published online this month in the Journal of the American Chemical Society. The study's authors, researchers at Georgia Institute of Technology, hope that the new technique will one day provide a way to test for--and potentially even treat--metastatic ovarian cancer.

 

"It's a fairly novel approach, to use magnetic particles in vivo to try to sequester cancer cells," says Michael King, an associate professor of biomedical engineering at Cornell University, who was not involved in the study.