Having blood drawn and analyzed to diagnose disease is a process that can take a few days, but what if doctors could perform this analysis in minutes? That’s the promise of "lab on a chip" technology, and researchers are working on variety of fronts to remove technical roadblocks. A new idea patented by NIST and the Naval Research Laboratory addresses the issue of sensor shelf life, showing how some such chips might be made to last for months or more until needed.
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