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. 2019 Jul 1;26(1):661–672. doi: 10.1080/10717544.2019.1631409

Figure 2.

Figure 2.

(A) Photothermal conversion curves of water and MnO2-PEG-cRGD/Ce6 nanoparticles at different concentrations upon irradiation with an 660 nm laser (0.6 W cm − 2). (B) Photothermal conversion curves of MnO2-PEG-cRGD/Ce6 nanoparticles (100 µg mL − 1) at different laser power densities. (C) Photothermal conversion stability of MnO2-PEG-cRGD/Ce6 nanoparticles. The laser was turned on for 10 min and then turned off for each cycle. (D) Linear relationship between time and − ln θ calculated from cooling period after the laser was turned off.