Figure 5

Test for photothermal inactivation of the SARS-CoV-2 virus using the s-HFM. (a) Surface temperature of the s-HFM under visible light illumination (100 mW/cm²), (b) Result of the TCID₅₀ assay, and (c) Photograph of the crystal violet staining of the MDCK cells with and without PTI.