umkhiqizo

Incazelo emfushane:

I-SEM antigen imbozwe endaweni yokuhlola ye-nitrocellulose membrane yemichilo, kanti i-SEM antibody ibhalwe ngegolide le-colloid. Ngesikhathi sokuhlolwa, i-colloid gold antibody ebhalwe ngegolide embozwe ku-strip iya phambili eceleni kwe-membrane, futhi umugqa obomvu uzovela lapho i-antibody ihlangana ne-antigen emgqeni wokuhlola; uma i-SEM kusampula ingaphezu komkhawulo wokutholwa, i-antibody izosabela nama-antigen kusampula futhi ngeke ihlangane ne-antigen emgqeni wokuhlola, ngakho-ke ngeke kube khona umugqa obomvu emgqeni wokuhlola.