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Fig. 3 | Journal of Nanobiotechnology

Fig. 3

From: Fabrication of methylene blue-loaded ovalbumin/polypyrrole nanoparticles for enhanced phototherapy-triggered antitumour immune activation

Fig. 3

A Photothermal heating curves of various concentrations of MB@OVA/PPY NP solution under 808 nm NIR laser irradiation at a power density of 2 W/cm2. C Photothermal heating curves and B the corresponding infrared thermal image of the MB@OVA/PPY NP solution (800 μg/mL) under 808 nm NIR laser irradiation with varied power densities. D Heating curves of the MB@OVA/PPY NP solution for five laser on/off cycles under irradiation with an 808 nm NIR laser (2 W/cm2). E Photothermal effect of the MB@OVA/PPY NP solution under 808 nm NIR laser irradiation (black dots) Red dots indicate when the laser was turned off. The time constant (τs) for the heat transfer from the system was determined by applying the linear time data from the cooling period (blue line). (F) 1O2 production efficiency of the different samples with different treatments (1. DPBF, 2. DPBF + laser, 3. DPBF + H2O2, 4. DPBF + H2O2 + laser, 5–9. DPBF + laser + MB@OVA/PPY NPs at 100, 200, 300, 400, 500 μg/mL, respectively)

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