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. Author manuscript; available in PMC: 2014 Oct 10.
Published in final edited form as: Biosens Bioelectron. 2012 Jul 21;39(1):99–105. doi: 10.1016/j.bios.2012.06.061

Fig. 1.

Fig. 1

In-situ synthesis of fG–GO nanocomposites on SPE surface. An optimum concentration of GO (2.5 µg mL−1) was drop-casted on SPE: (a) Three successive reductive scans carried out between 0 and −1.5 V at the scan rate 0.05 V s−1. (b) Corresponding cyclic voltammograms recorded in ferrocyanide solution after each reductive scan of GO.