Table 2.
Comparison of the biomass-derived CQDs used for the detection of Fe3+ ions with some reported works.
| No. | Carbon Precursor | Linear Range (μM) | LOD (μM) | Reported Applications | Reference |
|---|---|---|---|---|---|
| 1 | Coriander leaves | 0−6 | 0.40 | Cellular imaging, antioxidant activity | [43] |
| 2 | Hydrogenated rosin | 0−60 | 6.16 | Cellular imaging | [44] |
| 3 | Sweet potato | 1−100 | 0.32 | Cellular imaging | [45] |
| 4 | Blueberry | 12.5−100 | 9.97 | - | [46] |
| 5 | Hamburger sandwich leftover | 12.5−100 | 32.0 | - | [47] |
| 6 | Cranberry beans | 30-600 | 9.55 | - | [48] |
| 7 | Kiwi fruit peel | 5-25 | 0.85 | - | [49] |
| 8 | Sugarcane molasses | 0−100 | 1.46 | Cellular imaging, sensing of sunset yellow | [50] |
| 9 | Chionanthus retusus fruit | 0−2 | 70.0 | Bioimaging | [51] |
| 10 | Dwarf banana peel | 5-25 | 0.66 | Bioimaging, fluorescent ink | [52] |
| 11 | Apple juice | 1-25 | 0.90 | Bioimaging | [53] |
| 12 | Citrus clementina peel | 7−50 | 4.57 | Cellular imaging, antitumor and antioxidant activity, fluorescent ink | This work |