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. 2019 Sep 19;9(3):111. doi: 10.3390/bios9030111

Figure 1.

Figure 1

Preparation of the surface-enhanced Raman spectroscopy (SERS) platform consists of three main steps: initial preparation of the sample (cutting, cleaning and drying), modification of the surface layer with dielectric barrier discharge, and finally, sputtering a thin layer of metal with the physical vapor deposition (PVD) method.