[Sensor for rapid measurement of blood glucose]

Bacterial biosensor consisting of Gluconobacter oxydans cells immobilized on the surface of oxygen electrode was used for measuring glucose concentration in human blood serum. The results were compared with those of standard clinical method (color reaction with ortho-toluidine). The proposed biosensor permits highly accurate measurements (mean quadratic deviation no more than 2% of the mean arithmetic), the coefficient of correlation with the results of standard method being 0.970.