New nanosensor uses quantum dots to detect DNA

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.

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<p><a href="http://www.physorg.com/news8734.html">New nanosensor uses quantum dots to detect DNA</a></p> <p>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.</p>