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Cytotoxic effects of AgNPs and AuNPs on HaCaT human keratinocyte cells. Viability of the cells was detected by MTT assay after 24 h treatments of AgNPs or AuNPs (A). Cytotoxicity of AgNPs and AuNPs was determined by crystal violet staining; representative images of crystal violet stained cells are shown below column diagrams (B). Cisplatin was used as a positive control.
Abbreviations: AgNP, silver nanoparticle; AuNP, gold nanoparticle; OD, optical density.
