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. 2021 Apr 12;16:2789–2801. doi: 10.2147/IJN.S299515

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© 2021 Zhang et al.

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Characterization of AuNRs. Typical TEM images of as-prepared (A–C) CTAB-stabilized AuNRs and (D–F) citrate-stabilized AuNRs with various aspect-ratio. (G) Statistical Size of CTAB and citrate-stabilized AuNRs with various aspect-ratio according to the TEM images in (A–F). (H) UV-Vis absorption spectra of CTAB and citrate-stabilized AuNRs with various aspect-ratio. (I) Zeta potential analysis of AuNRs with various ligands and aspect-ratio.