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October 20th, 2003
Protein chips could detect cancer earlier
Biochip development, which peaked two years ago during the national anthrax scare, has begun paying unexpected dividends, as research work in the area yields a new breed of "protein chips" that could aid in the early detection of cancer, Alzheimer's disease and HIV. Nanosphere Inc., which hopes to integrate the system into desktop products within a year, said the technology exhibits about 1 million times more sensitivity than conventional methods in the detection of prostate-specific antigen, a protein linked to prostate cancer.
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