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Biocompatibility assessment of blank HA MN. (A) Representative images showing cell morphology and Live/Dead staining (live: green; dead: red) of HSFs treated with blank HA MN. Scale bar: 100 μm. (B) Alamarblue metabolism assay showcase minimal toxicity of HA even up to 4 mg/mL concentration. Error bars indicate the mean ± SD (n = 4). ∗P < 0.05 versus the untreated control. Statistical analysis was performed using one-way ANOVA test.
