Ultrasensitive colorimetric sensing strategy based on ascorbic acid triggered remarkable photoactive-nanoperoxidase for signal amplification and its application to α-glucosidase activity detection

Schematic Illustration of the colorimetric sensing strategy based on the signal amplification by an ascorbic acid adjusted Ag3PO4 nano-peroxidase and application to versatile bio-sensing (i.e. Ascorbic acid, a-glucosidase activity and inhibitor screening).260