Journal of Nanomaterials

Review Article

Graphene Oxide Modified Electrodes for Dopamine Sensing

Table 2

Comparison of some characteristics of the different nanostructured modified GO electrodes for the determination of DA.


Electrode	Linear range (μM)	Detection limit (μM)	Reference

AuNCs/AGR/MWCNT	1–210	0.08	[75]
rGO-CDs/GCE	0.01–450	0.015	[76]
AuNPs/Trp-GR	0.5–411	0.056	[66]
Au–Pt/GO–ERGO	0.06–498	0.02	[77]
Fe₃O₄/r-GO/GC	0.4–3.5	0.08	[81]
Au/RGO/GCE	6.8–41	1.4	[17, 18]
GQDs–TiO₂	0.02–105	0.067	[82]
CNNS-GO	1–20	0.096	[78]
Fe₃O₄@GNs/Nafion/GC	0.02–130	0.007	[73]
MgO/Gr/Ta	0.1–7	0.15	[80]

AuNCs/AGR/MWCNT: gold nanoclusters/activated graphene/MWCNT nanocomposites; rGO-CDs/GCE: reduced graphene oxide-carbon dot composite; AuNPs/Trp-GR: gold nanoparticles/tryptophan-functionalized graphene nanocomposites; Au–Pt/GO–ERGO: Au–Pt bimetallic nanoclusters decorated on graphene oxide-electrochemically reduced GO; Fe₃O₄/r-GO/GC: Fe₃O₄ magnetic nanoparticles/reduced graphene oxide nanosheets modified glassy carbon; Au/RGO/GCE- Au nanoplates and reduced graphene oxide modified glassy carbon electrode; GQDs-TiO₂: graphene quantum dots-TiO₂ nanocomposites; CNNS-GO: carbon nitride nanosheets doped graphene oxide; Fe₃O₄@GNs/Nafion/GC: Nafion covered core-shell structured Fe₃O₄@graphene nanospheres modified glassy carbon electrode; MgO/Gr/Ta: MgO nanobelt-modified graphene-tantalum wire electrode.