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a) Schematic of Cu@ZIF‐8 functionalized filter media and its filtration mechanism against microbe‐containing aerosol droplets. b) The probable antibacterial mechanism shown by core‐shell Cu@ZIF‐8 NWs. SEM images of c) bare filter media containing E. coli. d) Cu@ZIF‐8 NWs loaded filter media showing deformation of the E. coli membrane suggesting cell death.
