Figure 28.

Applications of photothermal nanomaterials in COVID-19 diagnosis, prevention, and treatment. (a) Left: schematic showing photothermally enhanced LSPR sensing. Right: temperature distribution map around the heat source on a Au nanoisland (top) and concentrations of various viral oligos measured with the dual-functional LSPR biosensor (bottom). Reprinted with permission from ref (80). Copyright 2020 American Chemical Society. (b) Schematic illustrating the inactivation of the virus in a nonwoven surgical mask through photothermal, photocatalytic, and hydrophobic self-cleaning processes. Reprinted with permission from ref (789). Copyright 2021 American Chemical Society. (c) Schematic illustrating a multifunctional photothermal nanoparticle for the capture (by antibody) and inactivation (by photothermal conversion) of SARS-CoV-2. Reprinted with permission from ref (791). Copyright 2022 Cai et al., published under the CC BY 4.0 license http://creativecommons.org/licenses/by/4.0/.