Dose-dependent cytotoxicity of GAuNPs, GSH-GAuNPs, and LA-GAuNPs in HBL-100-cells after 24 h of exposure to different concentrations GAuNPs, GSH-GAuNPs, and LA-GAuNPs (10, 50, 100, and 150 μg/mL, respectively) using MTT assay. Values are expressed as percent over control