Detection of SARS-CoV-2 virus via dynamic light scattering using antibody-gold nanoparticle bioconjugates against viral spike protein
Patrícia Bento da Silva, Da Silva, Mosar Corrêa Rodrigues, Julia Augusto Vieira, Ikaro Alves de Andrade, Tatsuya Nagata, Alexandre Silva Santos, S.W. da Silva, Marcia Cristina Oliveira da Rocha, Sônia Nair Báo, Pedro M. Moraes‐Vieira, José Luiz Proença‐Módena, Monara Kaélle Cruz Angelim, Gabriela Fabiano de Souza, Stéfanie Primon Muraro, André Luís Branco de Barros, Glêndara Aparecida de Souza Martins, Fátima Ribeiro‐Dias, Giovanna Machado, Melissa Regina Fessel, Ana Marisa Chudzinski‐Tavassi, Célia M. Ronconi, Débora Gonçalves, Rui Curi, Osvaldo N. Oliveira, Ricardo Bentes Azevedo
Abstract
/mL (Tissue Culture Infectious Dose). The immunosensor was also proven to be selective upon interaction with influenza viruses once no increase in size was observed after DLS measurement. The strategy proposed here aimed to use antibodies conjugated to AuNPs as a generic platform that can be extended to other detection principles, enabling technologies for low-cost mass testing for COVID-19.