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Characterization of AuNPs with different sizes.
Notes: (A) Typical TEM micrograph of AuNPs (15, 50, and 80 nm; scale bars, 100 nm). (B) UV/vis absorbance spectra of AuNPs suspension.
Abbreviations: AuNPs, gold nanoparticles; TEM, transmission electron microscope; UV/vis, ultraviolet/visible.
