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. Author manuscript; available in PMC: 2018 Jun 15.
Published in final edited form as: Biosens Bioelectron. 2016 Nov 3;92:372–377. doi: 10.1016/j.bios.2016.10.094

Fig. 3.

Fig. 3

(a) Cyclic voltammograms of PBS solutions containing (i) 5 mM hydrazine and 0.001% (w/v) Pt NPs, (ii) 5 mM hydrazine, 0.001% (w/v) Pt NPs, and 10 μM MB, and (iii) 5 mM hydrazine only. Voltammograms are recorded at a scan rate of 50 mV/s using unmodified ITO electrodes. (b) Chronocoulograms of PBS solutions containing (i) 5 mM hydrazine and 0.001% (w/v) Pt NPs, (ii) 5 mM hydrazine, 0.001% (w/v) Pt NPs, and 10 μM MB, and (iii) 5 mM hydrazine only. Inset shows magnified view of the chronocoulograms for curves ii and iii. Chronocoulograms are recorded at 0.05 V using unmodified ITO electrodes.