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

Table 1

Analytical parameters for individual, selective, and simultaneous detection of AA, DA, and UA at PdNPs/rGO/GCE.

Analytical parameter	Analyte	Individual detection	Selective detection	Simultaneous detection
Linear range (μM)	AA	300–7000, 8000–20000	750–5000	500–3500
	DA	3–50, 60–170	13–61	3–15, 15–42
	UA	50–1000, 1500–4500	500–4000, 4500–7500	300–1400
Sensitivity (μA · μM^−1 · cm^−2)	AA	0.069, 0.028	0.107	0.079
	DA	4.300, 1.443	3.254	10.893, 6.083
	UA	0.416, 0.118	0.194, 0.049	0.481