Fig. 4From: rGO nanomaterial-mediated cancer targeting and photothermal therapy in a microfluidic co-culture platformAnalysis of cell viability. Evaluation of cytotoxicity of rGO-PEG-FA nanomaterials in HUVECs (a) and MDA-MB-231 breast cancer cells (b) before and after NIR laser treatment (*\(p\) < 0.05, **\(p\) < 0.01)Back to article page