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. 2020 Dec 7;25(23):5759. doi: 10.3390/molecules25235759

Table 1.

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

Electrochemical Methods Electrode Material Linearity Range (mol·L−1) LOD (mol·L −1) Application Reference
DPV) AuNps/Chitosan/AuE 5.00 × 10−8–2.00 × 10−3 2.50 ×10−8 Red and white wines [66,67]
SWS Nafion/ER-GO/GCE 1.0 × 10−7–1.0 × 10−6 9.1 × 10−8 White wines [69]
DPV MIS/AuE 5.00 × 10−7–6.00 × 10−5 1.50 × 10−7 White wines [70]
DPV RGO@PDA/GCE 5.0 × 10−9–4.55 × 10−4 1.20 × 10−9 Wines [71]
DPV Au–PEDOT/rGO/GCE 1.00 × 10−8–4.60 × 10−5 4.00 × 10−9 Red wines [72]
DPV PdAu/PEDOT/rGO/GCE 1.90 × 10−9–5.50 × 10−5 3.70 × 10−10 Red wines [73]
Amperometry SrV2O6/GCE 1.00 × 10−8–2.07 × 10−4 4.00 × 10−9 No real samples [74]
DPV Au/PdNPs/GRF/GCE 3.00 × 10−8–9.40 × 10−4 6.00 × 10−9 Fortified wines [75]
DPV Au@α-Fe2O3/RGO/GCE 1.90 × 10−5–1.87 ×10−3 9.80 × 10−8 Coffee samples [76]
DPV PEDOT/rGO/PtE 5.0 × 10−9–5.0 × 10−5 2.0 × 10−9 Teas [77]
DPV PtCu trifurcate nanocrystal/GCE 1.20 × 10−6–1.90 × 10−3 3.50 × 10−7 Red wines [78]
Amperometry Cu2S NDs@GOS NC/SPCE 5.50 × 10−8–2.50 × 10−3 2.20 × 10−10 Soft drinks and red wines [79]
DPV PEDOT/GCE thin film 1.50 × 10−7–4.00 × 10−6
thick fim1.50 × 10−6–4.75 × 10−5
No real samples [80]
DPV MWCNTs-Bi/CTABCPE 6.0 × 10−8–5.0 × 10−4 1.91 × 10−9 Coconut water, teas, and fruit juices [81]
DPV F-GO/GCE 5.00 × 10−7–1.00 × 10−4 1.80 × 10−8 Red wines [82]