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Fig. 2 | Journal of Nanobiotechnology

Fig. 2

From: Sulourea-coordinated Pd nanocubes for NIR-responsive photothermal/H2S therapy of cancer

Fig. 2

NIR-photothermal effect of the Pd-Su nanomedicine and NIR-responsive H2S release from the Pd-Su nanomedicine. a photothermal curves of Pd nanocubes and Pd-Su nanomedicine in water (200 μg mL−1) at different laser power densities. b Photothermal heating and cooling process of the Pd-Su solution (2 mg mL−1) under 808-nm laser irradiation (0.5 W cm−2) which was turned off after irradiation for 5 min, together with the plot of cooling time versus negative natural logarithm of the temperature driving force obtained from the cooling stage. c Recycling heating profiles of the Pd-Su nanomedicine for evaluating the photothermal stability. d Monitoring H2S release from the Pd-Su nanomedicine (4 mg mL−1) under the irradiation of 808-nm laser with different power densities (0.0, 0.2, 0.5, and 1.0 W cm−2) at different time points (0, 3, 8, 15, 20, 25, and 30 min) by the HSN-2 probe

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