Nanotechnology can help in designing the next generation of molecular imaging instruments for use in early diagnosis of a disease. The instruments can make it possible to track the effectiveness of pharmaceuticals, treat disease, and monitor the response to therapies. Not only can molecular imaging be used to find, diagnose, and treat disease inside the body, but will also have the ability to show how well a particular treatment is working. As an example, molecular imaging has the potential to suggest how quickly a cancer is growing by determining how rapidly cancer cells are growing and how many are or are not dying. Once this assessment is made, physicians can compile data to determine how best to treat patients with cancers growing at specific rates. Molecular imaging may someday allow discovery of a predisease state in patients.
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