Quantification of antibody avidities and accurate detection of SARS-CoV-2 antibodies in serum and saliva on plasmonic substrates

Tiancheng Liu, Jessica Hsiung, Su Zhao, Jessica Kost, Deepika Sreedhar, Carl V. Hanson, Kjerstie Olson, Douglas Keare, Shin Ting Chang, Kevin P. Bliden, Paul A. Gurbel, Udaya S. Tantry, John Roche, Cynthia Press, John Boggs, Jorge Rodriguez–Soto, José G. Montoya, Meijie Tang, Hongjie Dai