Fig. 1From: Anti-EGFR-Conjugated Hollow Gold Nanospheres Enhance Radiocytotoxic Targeting of Cervical Cancer at Megavoltage Radiation Energies a A layer of red fluorescent staining on the cytomembrane of HeLa cells (original magnification × 400). b A TEM picture of HGNs. c UV–vis extinction of naked HGNs and anti-EGFR/HGNsBack to article page