Fig. 2From: rGO nanomaterial-mediated cancer targeting and photothermal therapy in a microfluidic co-culture platformCharacterization of nanomaterials. TEM image of rGO-PEG-FA nanomaterials (a). Scale bars are 200 μm. FT-IR spectra of GO-COOH, rGO-PEG, and rGO-PEG-FA nanomaterials (b). UV–visible spectra rGO-PEG, and rGO-PEG-FA nanomaterials (c). Zeta potential analysis of GO-COOH, rGO-PEG, and rGO-PEG-FA nanomaterials (d). Temperature analysis against concentrations of rGO-PEG-FA nanomaterials (e)Back to article page