3RD-GENERATION GLUCOSE BIOSENSOR INCORPORATED IN A CONDUCTING PRINTING INK

A biosensor based on a conducting screen-printing ink for the direct a mperometric measurement of glucose is described. Carbon electrode prin ts, containing the work, reference and auxiliary electrodes, are used as the substrate for the sensor. The active parts of the carbon ink ar e the redox enzyme glucose oxidase and the conducting polymer poly(pyr role), which can communicate directly with each other. As a result, th e biosensor is largely independent of the oxygen concentration. The fe asibility of the described biosensor ink for screen printing is shown.