Fig. 5. The multispectral analysis of bacteria recognition and cancer cell subtyping. (A) Schematic illustrating the conception of the c-SERS. Adapted with permission from ref. 89. Copyright 2019 American Chemical Society. (B) Decoding and spatial visualization of various bacteria based on the c-SERS. B.1–B.7 corresponds to four types of bacteria, including Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, and Bacillus cereus. B.8 represents the simultaneous detection of various bacteria. Adapted with permission from ref. 89. Copyright 2019 American Chemical Society. (C) Simultaneous Raman imaging of two kinds of cancer cells. Adapted with permission from ref. 62. Copyright 2021 Elsevier.