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. 2021 Sep 30;424:127391. doi: 10.1016/j.jhazmat.2021.127391

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Fig. 5 — Cytotoxicity, mechanical properties, breathability, and filtration performance of AVAB-CNWs. (a) The cell viability. (b–d) Live/dead images of control, CNWs-CI-PTB-PHMG, and CNWs-CI-PTB-NEO (scale bar: 20 µm). (e) Tensile strength of different AVAB-CNWs compared with commercial PP spunbond nonwovens. (f) Filtration efficiency, pressure drop, and (g) air permeability of AVAB-CNWs combined with PP MBNWs vs single PP MBNWs. (h–l) SEM images of sodium chloride particles capture of PP MBNWs and AVAB-CNWs after the loading filtration test.