International Journal of Analytical Chemistry / 2020 / Article / Tab 2

Research Article

Simultaneous Detection of Ascorbic Acid, Dopamine, and Uric Acid Using a Novel Electrochemical Sensor Based on Palladium Nanoparticles/Reduced Graphene Oxide Nanocomposite

Table 2

Comparison of different electrodes in the simultaneous detection of AA, DA, and UA.

ElectrodepHLinear range (μM);
Sensitivity (μA · μM−1 · cm−2)
Ref.
AADAUA

MgO nanobelts/GCE5.02.5–15, 25–150;
0.198, 0.028
0.125–7.5
7.908
0.5–3, 5–30;
2.83, 0.962
[30]
SnO2/chitosan/GCE7.020–220;
0.127
0.1–18;
2.773
1–100;
2.391
[45]
3DGHa-AuNPsb/GCE7.01.0–700;
0.217
0.2–30;
3.897
1–60;
1.703
[46]
AuNPsb@MoS2 nanosheets/GCE4.012–800;
0.481
10–300;
0.979
8–900;
0.465
[47]
Pd3Pt1c/PDDAd-rGO/GCE7.440–1200;
0.359
4–200;
0.639
4–400;
0.498
[48]
CBe/GCE7.01.91–37.8;
0.214
0.599–11.8;
1.570
1.01–14;
0.680
[49]
Pt@NP-AuSnf/CFPg7.0200–1200;
0.0004
0.5–10;
0.0017
25–500;
0.0003
[50]
PdNPs/rGO/GCE7.2500–3500;
0.079
3–15, 15–42;
10.893, 6.083
300–1400;
0.481
This work

a: three dimensional graphene hydrogel; b: gold nanoparticles; c: Pd-Pt bimetallic nanoparticles; d: poly(diallyldimethylammonium chloride); e: nanostructured carbon black; f: Pt nanoparticle-modified nanoporous AuSn; g: Ni-buffered flexible carbon fiber paper.

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