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. 2021 Jun 28;8:35–48. doi: 10.1016/j.bioactmat.2021.06.026

Fig. 2.

Fig. 2

Characterization of Lf-PEG-AuNP. (a) NMR spectra of GSH-AuNP. (b) SDS-PAGE of Lf and PEG-Lf. (c) UV–Vis absorption spectra of AuNP with a peak at 532 nm wavelength. (d) UV–Vis absorption spectra Lf-PEG-AuNP with a peak at 532 nm wavelength. (e) TEM images of AuNP and Lf-PEG-AuNP. Scale bar: 10 nm. (f) Schematic diagram of AuNP agglomeration and Lf-PEG-AuNP dispersion by the repulsive effect of PEG. (g) Temperature change of AuNP itself and Lf-PEG-AuNP during PTT laser irradiation. Data were expressed as means ± SEM (n = 4). (h) Thermal images of AuNP itself and Lf-PEG-AuNP during PTT laser irradiation at each time.