elaa

To detect sulfamethazine (SMZ) residues in edible animal products, a colorimetric aptasensor that is based on indirect competitive enzyme-linked aptamer assay (ELAA) is developed in this study. bola86 slot login This ELAA uses SMZ-specific aptamers as recognition elements and enzyme as the signal readout element. bos slot138 The detection sensitivity and the specificity of the ELAA were investigated Our results showed