Figure 2: Characterization of the functionalized AuNRs.

(a) TEM images of Pep-Acy/Glu@AuNRs (Scale bar, 20 nm). (b) UV-vis-NIR spectra of Pep-Acy/Glu@AuNRs and CTAB@AuNRs. (c) Fluorescence spectra of Pep-Acy and Pep-Acy/Glu@AuNRs.
(a) TEM images of Pep-Acy/Glu@AuNRs (Scale bar, 20 nm). (b) UV-vis-NIR spectra of Pep-Acy/Glu@AuNRs and CTAB@AuNRs. (c) Fluorescence spectra of Pep-Acy and Pep-Acy/Glu@AuNRs.