Fabrication of a Needle Microsensor and Its Applications in the Detection of Dissolved Oxygen

Figure 6

Simultaneous determination of dissolved oxygen at PtNPs modified copper-core microelectrode by cyclic voltammetry in 0.1 M PBS (pH 7.0); (a) reduction waves of the cyclic voltammograms and (b) calibration curve for dissolved oxygen.

(a)

(b)