Figure 3: In vitro IPR effect on cancer cells: UV-Vis of SCC-HNC targeted with anti-EGFR coated GNRs (green line) and, as control, antibody coated GNRs (either anti-EGFR or IgG) (pink line), SCC-HNC targeted with IgG coated GNRs (blue line), and noncancerous fibroblasts cells targeted with anti-EGFR coated GNRs (red line).