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Fig. 3 | Nanoscale Research Letters

Fig. 3

From: Mediated Electron Transfer at Vertically Aligned Single-Walled Carbon Nanotube Electrodes During Detection of DNA Hybridization

Fig. 3

Cyclic voltammetric responses in different steps of surface functionalization. Cyclic voltammetric responses representing different steps in attaching a probe-DNA directly to the gold surface and b probe-DNA to VASWCNTs on the gold surface in 1 mM [Fe(CN)6]3−/4− + 0.1 M aqueous KCl solution. The inset shows a closer view of the cyclic voltammograms in different steps except with VASWCNTs. Scan rate = 50 mV/s and electrode area = 2.67 cm2. In all measurements, aqueous Ag/AgCl is used as reference electrode

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