Fig. 5
From: Recent development of surface-enhanced Raman scattering for biosensing
© 2021, Springer Nature. B reprinted with permission from Ref. 109, © 2021, American Chemical Society. C reprinted with permission from Ref. 120, © 2022, Elsevier
Label-free SERS for the detection of SARS-CoV-2. A Schematic representation of SARS‑CoV‑2 and spike glycoprotein main structural features. [122] B The framework of the CNN deep learning model for the diagnosis of SARS-CoV-2. [109] C Experimental procedure for diagnosing the infectiousness of SARS-CoV-2 [120]. A reprinted with permission from Ref. 122,