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. Author manuscript; available in PMC: 2019 Mar 4.
Published in final edited form as: Nanomedicine. 2018 Jul 23;14(7):2179–2189. doi: 10.1016/j.nano.2018.07.008

Figure 2.

Figure 2.

Characterization of RGO-PEG. (A) Atomic force microscopy (AFM) image of RGO-PEG. scale bar, 200nm. (B) The photothermal effect of RGO-PEG in PBS was investigated in vitro by irradiation with an 800-nm laser (0.5 W cm−2, 5 min). (C) Temperature increase curve for sample and PBS in (B). (D) Photoacoustic effect of RGO-PEG in vitro.