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Morphological aspects of immortalized human keratinocytes-HaCaT nuclei treated with concentration of 500 µg/mL of both wormwood extracts: leaves (WL_extract) and stems (WS_extract) and different Fe2O3 NPs obtained from these extracts (WL 1_Fe2O3 NPs; WL 2_Fe2O3 NPs, respectively WS 1_Fe2O3 NPs; WS 2_Fe2O3 NPs) for an interval of 72 h. The scale bars represent 20 μm. Fe2O3 NPs that are either attached or embedded in the cells nuclei are marked with yellow arrows.
