S20-284 COVID-19 diagnostics: direct optical detection of viruses and antigens with nanofabricated surfaces Stanford researchers at the Dionne Lab have developed a new hand-held technology that uses optical characterization to rapidly and quantitatively measure extracted viral-RNA target binding or antibody binding to nanofabricated platforms. Jennifer Dionne John Abendroth Mark Lawrence Jack Hu Jefferson Dixon Fareeha Safir Stefanie Jeffrey