beta-D-glucose + O2 = D-glucono-1,5-lactone + H2O2
beta-d-glucose + o2 = d-glucono-1,5-lactone + h2o2
beta-D-glucose + O2 = D-glucono-1,5-lactone + H2O2
beta-d-glucose + o2 = d-glucono-1,5-lactone + h2o2