Gold Nanoparticles: Promising Nanomaterials for the Diagnosis of Cancer and HIV/AIDS
Figure 2
Tunable optical properties of gold nanorods (AuNRs) with absorptions at visible and near-infrared wavelengths region. (a) Optical absorption spectra of AuNRs with different aspect ratios and composition (a–e). (b) Color wheel representing of AuNRs labeled a–e, TR = transverse resonance. (Reprinted with permission from John Wiley and Sons, [44]).
