900m tender leak mentions Affimers!!!!24 Nov 2020 12:34
The principle of the test is that antigens from SARS-CoV-2 antigens (either spike protein ‘S’ or nucleocapsid ‘N’) is bound to a biological structure that is specific for that antigen (lock and key). This is typically an antibody, but may also be an aptamer, affimer or glycoprotein