From COVID to cancer, new at-home test spots disease with startling accuracy
by Kara Manke, University of California – Berkeley edited by Stephanie Baum, reviewed by Robert Egan As a droplet of liquid evaporates, any particles suspended in the liquid will naturally migrate to the edge of the droplet, leaving behind a “coffee-ring” pattern when the liquid fully dries. UC Berkeley engineers used this natural phenomena to boost the sensitivity […]
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