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Beilstein J. Nanotechnol. 2022, 13, 1068–1107, doi:10.3762/bjnano.13.93
Figure 1: Illustration of the environmentally friendly sources employed for the synthesis of CDs and their ap...
Figure 2: Luminescence of CDs synthesized from citric acid and various green sources. Figure 2 was reproduced from [60] (...
Figure 3: Strategy for the synthesis of ratiometric CDs obtained from white pepper. Figure 3 was reprinted from [86], Foo...
Figure 4: Graphical illustration of the procedure followed with wine lees. Figure 4 was reproduced from [91] (© 2017 M. V...
Figure 5: Schematic representation of the whole process. Figure 5 was reprinted from [102], Journal of Luminescence, vol. ...
Figure 6: Graphical illustration for the synthesis of CDs from human urine and their application for bioimagi...
Figure 7: (A) Flow chart of multicolor CDs production. (B) Carbon distribution in gas, liquid, and solid phas...
Figure 8: Structural characterization techniques used to study CDs.
Figure 9: The proposed quenching mechanism of CDs prepared from betel leaves. Figure 9 was reprinted from [140], Materials...
Figure 10: Detection mechanism of Hg2+ by using the CGCS-CDs as fluorescence probe. Figure 10 was reprinted from [142], Micr...
Figure 11: Schematic representation of off-on fluorescence of CDs prepared from Prosopis juliflora. Figure 11 was reprin...
Figure 12: Schematic illustration of the sensing mechanism of CDs in the presence of Cd2+ and Cu2+ ions. Figure 12 was ...
Figure 13: Schematic representation of Pb2+ ion sensing using oyster mushroom-derived CDs. Reprinted with perm...
Figure 14: Fluorescence quenching and restoration of jute caddies based modified CDs, in the presence of Cr6+ ...
Figure 15: Schematic illustration of the CD synthesis from flax straw and the detection of Co2+, Cr6+, and AA. ...
Figure 16: Proposed mechanism of chromium sensing with f-CDs. Figure 16 was reprinted from [83], Sensors and Actuators B: C...
Figure 17: Highly luminescent, multi-functionalized, cell-viable CDs were prepared from waste expanded polysty...
Figure 18: Schematic illustration of the design and working principle of prickly pear cactus-based CDs. Reprod...