. 2017 Mar 3;7:43181. doi: 10.1038/srep43181

Table 4. Results of detection of DA in dopamine hydrochloride injections (n = 3) at MWCNT/ZnO/29H,31H-Pc and MWCNT/Fe₃O₄/29H,31H-Pc^a.

Electrode	Added (mg/mL)	Detected (mg/mL)	Recovery (%)	RSD %
Sample 1	40	47.50 (34.50)^a	119.8 (86.40)^a	0.06 (0.69)^a
Sample 2	40	40.15 (40.54)^a	100.4 (101.30)^a	0.09 (0.03)^a

Table 4. Results of detection of DA in dopamine hydrochloride injections (n = 3) at MWCNT/ZnO/29H,31H-Pc and MWCNT/Fe3O4/29H,31H-Pca.