In cross-disciplinary research described in the journal Nature Nanotechnology, a team at IBM … has been able to … create a diagnostic device that can separate viruses, DNA, and other nanoscale-size biological targets from saliva or urine. This could enable the device to detect the presence of diseases before any physical symptoms are visible.
Source: IBM Making Silicon to Sort Viruses and Other Nanoscale Biological Targets – IEEE Spectrum
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