Comparison of the proposed Co₂P hybrid-SPE with other electrochemical sensors for the simultaneous detection of AA, DA, and UA.

	Linear range (μM)			Detection limit (μM)			Ref.
	AA	DA	UA	AA	DA	UA
CoFe@G	500–8000	0.4–70	5–100	21.4	0.015	0.193	33
AuNPs@TS-COF/RGO	8–900	0.5–20, 20–100	0.5–25, 25–80	4.30	0.03	0.07	35
MnFe2O4/MoS2	1000–6000	1–100	5–80	903	0.16	3.05	36
rGO/PPy-Pt	800–2100	30–1400	100–350	0.12	0.071	0.16	37
ZnCo2O4 NA/CC	10–500	0.5–100	0.5–100	7.79	0.31	0.37	38
Au–Pd/MXene/LSG	10–1600	12–240	8–100, 200–800	3	0.13	1.47	39
ZnO/PANI/CPE	100–1300	10–1400	10–120	63	29	7	40
Fe3O4 NP	1050–2300	10–100	20–160	95	4.5	14	41
3D-NG	20–10000	1–1000	0.5–600	3.91	0.26	0.12	42
GQDs/IL-SPCE	25–400	0.2–6	0.5–10	10.90	0.05	0.02	43
MNCS	10–2000	0.4–70	0.6–210	5.39	0.17	0.34	44
Co2P hybrid	100–4500	0.2–10, 10–50	0.5–10, 10–70	17.80	0.018	0.068	This work