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. 2024 Jun 27;10(13):e33788. doi: 10.1016/j.heliyon.2024.e33788

Fig. 5.

Fig. 5

Effect of NIR on the phase transition behavior of RNPS. A. Microscopic images of (a1-a4)NPs at temperatures of 20 °C, 40 °C, 50 °C, and 60 °C. B. Particle size variation trend of PFH gas microbubbles produced at different temperatures. C. NPs drug release curves at different temperatures for 48 h. D. Drug release profile of RNPS under multiple NIR laser irradiation.