Fig. 1.
(a) TEM image of mPEG-GNRs@BSA/R837. (b) UV-Vis-NIR spectrum of mPEG-GNRs@BSA and mPEG-GNRs@BSA/R837 (Inset is the local zoom of UV-Vis-NIR spectrum of mPEG-GNRs@BSA/R837). (c) Zeta potential of the CTAB-GNRs, mPEG-GNRs, mPEG-GNRs@BSA, and mPEG-GNRs@BSA/R837, respectively. (d) Photothermal heating curves of water and mPEG-GNRs@BSA/R837 dispersed in water at different Au concentrations under a 1064 nm laser irradiation (1.0 W/cm2).