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Home > News > Conquering cancer with implants? Bioengineered vaccines and magnetic nanodiscs show promise.

December 1st, 2009

Conquering cancer with implants? Bioengineered vaccines and magnetic nanodiscs show promise.

Abstract:
Another trick to zapping cancer cells may lie in nano-scale magnets. Previous studies have investigated the use of magnetic fields to kill cancer cells via hyperthermia, but they required a lot more power than the new method and proved to have some dangerous side effects.

A new study, published November 29 in Nature Materials, reports promise in a scaled-down version of this idea to tackle tumors. "Nanomagnetic materials offer exciting avenues for probing cell mechanics and…advancing cancer therapies," the paper authors wrote. Using nanodiscs (about 60 nanometers thick) made of iron and nickel, researchers based in the Argonne National Laboratory in Illinois and the University of Chicago Pritzker School of Medicine have created a so-called "magnetic vortex" in the magnetic alloy with the magnetic charge arranged in concentric circles. "Integration of magnetic materials with biological molecules and therapeutics creates hybrid materials with advanced properties," the authors noted in the paper.

Source:
scientificamerican.com

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