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

Table 2

Interference effect on the detection of dissolved oxygen with the proposed sensor in PBS at pH 7.0 (applied potential: −0.3 V).

Species added	Response ratio (%)
Ascorbic acid	4.8
Uric acid	3.9
4-Aminophenol	4.2
Ca^2+	2.1
Na^+	1.2
	1.5
	2.6
Hydroquinone	4.9
Dissolved oxygen	100