Table 3 Comparison of detection limits of Ag-based L-Cys sensors with CAE–AgNPs.
Probe | Mechanism | LOD (nM) | Reference |
|---|---|---|---|
Cellulose nanofibrils Capped AgNPs | Colourimetric | 49 | |
Baggase extract reduced AgNPs | Colourimetric | 35 | |
AgNPs in the presence of Cr3+ | Colourimetric | 1 | |
Magnetite-Ag core shell nanocomposites | Inhibition based | 87 | |
Ag nanoprism dissolved in oxygen | Colourimetric | 10 | |
Dextran coated AgNPs | Optical change based | 12 \(\times {10}^{3}\) | |
AgNPs-graphene quantum dots | Electrochemical | 10 | |
N-(1-Naphthyl)ethylene diamine cation stabilized AgNPs | Spectrophotometric | 308 | |
Spectrofluorimetric | 131 | ||
CAE–AgNPs | Colourimetric | 0.10 | This work |
