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

<div>(a) Cyclic voltammograms of PtNPs modified copper-core microelectrode in pH 7.0 O<sub>2</sub>-saturated PBS (A) and N<sub>2</sub>-saturated PBS (B). (b) Cyclic voltammograms of PtNPs modified copper-core microelectrode (A) and bare copper-core microelectrode (B) in pH 7.0 O<sub>2</sub>-saturated PBS.</div>

Journal of Sensors

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Figure 5

Figure 5: Fabrication of a Needle Microsensor and Its Applications in the Detection of Dissolved Oxygen 