Table 1 Comparison of different sensing methods for detection of Cr(III)
Detection probe | Linear range (μM) | LOD (μM) | Refs. |
|---|---|---|---|
AuNPs modified 4-mercaptobenzoic acid | 20–25 | 5 | Zhang et al. (2020) |
Au NPs unmodified | 0.1–1 | 0.1 | Elavarasi et al. (2014) |
Rhodamine modified polyamidoamine dendrimer | 10–100 | 10 | Lei et al. (2011) |
Au NPs functionalized triazole | 5–65 | 1.4 | Chen et al. (2013) |
Benzimidazole-based imine-linked | 79.4–340 | 79.4 | Saluja et al. (2012) |
y-CDs | 0–200 | 24.58 | Chang et al. (2016) |
DDCDs | 0.1–6 | 0.027 | Lu et al. (2019) |
Cu-CDs | 5–150 | 0.12 | Li et al. (2021) |
OCDs | 1–96 | 0.38 | Si et al. (2021) |
S-CDs | 0–45 | 0.17 | This work |