fig13

Figure 13. (A) Multimodal detection of illicit drugs realized by integrating CNN with a fully connected network. This figure is quoted with permission from Huang et al.^[115], Copyright 2023, Elsevier B.V; (B) Real-time analysis of GSH and ADA achieved by integrating YOLO v3 with a smartphone. This figure is quoted with permission from Liu et al.^[116], Copyright 2021, Elsevier B.V. CNN: Convolutional neural network; GSH: glutathione; ADA: azodicarbonamide; YOLO: You Only Look Once; MFCDs: multicolor fluorescent CDs.