Table 4.

An overview of electrochemical sensors for AA determination, using nanomaterials and/or nanocomposites.

Electrochemical Methods	Electrode Material	Linearity Range (mol·L−1)	LOD (mol·L−1)	Application	Reference
DPV	NiCoO2/C/GCE	1.00 × 10−5–2.63 × 10−3	5.00 × 10−7	Fetal bovine serum, Vitamin C tableys, Vitamin C drinks	[104]
SWV	AgNPs@onion extracts/CPE	4.00 x 10−7–4.50 × 10−4	1.00 × 10−7	Orange, kiwi and apple juices	[105]
DPV	ZnO⋅CuO NLs/GCE	1.00 × 10−7–1.00 × 10−1	1.20 × 10−8	Human, mouse, and rabbit serum, orange juice, and urine	[106]
DPV	CNO-NiMoO4-MnWO4/GCE	1.00 × 10−6–1.00 × 10−4	3.30 × 10−7	Orange, strawberry, tomato, pineapple juices	[107]
Amperometry	Mesoporous CuCo2O4/GCE	1.00 × 10−4–1. 05 × 10−3	2.10 × 10−7	Vitamin C tablets, Vitamin C effeverscent tablets and urine	[108]
LSV	Au-gr/CVE	1.00 × 10−6–5.75 × 10−3	5.00 × 10−8	Cherry-apple juice, apple juice for children, apple juice and apple nectar clarified	[109]
FIA-Amperometry	rGO/GCE	Linearity range not declared	4.70 × 10−6	Milk, fermented milk, chocolate milk and multivitamin supplement	[110]
DPV	HKUST-1/ITO	1.00 × 10−5–2. 65 × 10−3	3.00 × 10−6	Vitamin C pills, Vitamin C tablets, Vitamin C effervescent tablets	[111]
Amperometry	Ni6 NCs/CB/GCE	1.00 × 10−6–3.21 × 10−3	1.00 × 10−7	Vitamin C tablets	[112]