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The scientists at Amrita Institute of Medical Sciences has found safer way to kill cancer cells by using a biodegradable material found naturally in bones. Calcium phosphate can be used as a fully degradable radio frequency agent, a finding that is a big leap forward in the safe treatment of cancer using heat generated by radio waves. Dr. Shantikumar Nair, Director, Center for Nanosciences, Kochi, said, "The development of calcium phosphate nanoparticles with imageable properties for drug delivery applications is a major innovation in the quest to develop biodegradable contrast agents for imaging (diagnostic) purposes".