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. 2025 Jul 30;14(15):2679. doi: 10.3390/foods14152679

Figure 4.

Figure 4

(A) The binding mechanism of detection materials and carrier materials for the identification of pesticide residues in fruits and vegetables using SERS [31]; (B) (a) The MC-CNNs-GRU discrimination model for pesticide/fungicide residues; (b) The t-SNE analysis results of the MC-CNNs-GRU model; (c) The confusion matrix of the training set and (d) the test set [32].