Engineered strands of DNA—nanoscale tools called “nanoswitches”—could be the key to faster, easier, cheaper and more sensitive tests that can enable high-fidelity detection of biomarkers indicating the presence of different diseases, viral strains and even genetic variabilities as subtle as a single-gene mutation.

Via:: https://phys.org/news/2017-09-health-simply-nanoswitch.html

To improve health monitoring, simply trip the ‘nanoswitch’

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