INTELLIGENT Dx + Rx. “We envision nanometer-sized computing devices (made of biomolecules) to roam our bodies in search of diseases in their early stage. These devices would have the ability to sense disease indicators, diagnose the disease, and treat it by administering or activating a therapeutic biomolecule. They could be delivered to the bloodstream or operate inside cells of a specific organ or tissue and be given as a preventive care.” ”
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http://m.phys.org/news/2011-07-biomolecular-autonomously-multiple-disease.html