A variety of enzymes are available in Creative Enzymes as your POCT bio-sensors. The mostly widely used POCT instrument is blood glucose meter/strip, which takes advantages of enzymatic reactions catalyzed by glucose oxidase or glucose dehydrogenase. Ascorbate oxidase is used for enzymatic determination of ascorbic acid and removal of interfering ascorbic acid in blood test. 	POC Biosensor	https://diagnostic-enzymes.creative-enzymes.com/poct-bio-sensor.html