Fig. 1

a Manufacturing process of GF/Au/Ni(OH)2 electrode. b XPS spectra of GF, GF/Au, and GF/Au/Ni(OH)2. c CV curves of GF, GF/Au, GF/Au/Ni(OH)2 composite electrode in 0.1 M NaOH solution with glucose
a Manufacturing process of GF/Au/Ni(OH)2 electrode. b XPS spectra of GF, GF/Au, and GF/Au/Ni(OH)2. c CV curves of GF, GF/Au, GF/Au/Ni(OH)2 composite electrode in 0.1 M NaOH solution with glucose