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December 6th, 2005

New Nanosensor Uses Quantum Dots to Detect DNA

Abstract:
Using tiny semiconductor crystals, biological probes and a laser, Johns Hopkins University engineers have developed a new method of finding specific sequences of DNA by making them light up beneath a microscope. The researchers, who say the technique will have important uses in medical research, demonstrated its potential in their lab by detecting a sample of DNA containing a mutation linked to ovarian cancer.

Source:
Johns Hopkins University

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