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. 2022 Feb 4;14(2):362. doi: 10.3390/pharmaceutics14020362

Figure 11.

Figure 11

(a) Schematic diagrams of the IR-PY, pH sensing conjugates; (b) presentation of the positive increase of the photoacoustic signal of IR-PY in different concentrations; (c) photothermal temperature curves of IR-PY and control solution - PBS buffer- under continuous laser irradiation within 3 min; (d) PAI in vivo and (e) PA signal diagram intensity increment (** p < 0.01) of MCF-7 tumor-bearing living nude mice at indicated time points after in vivo injection of IR-PY. Adapted with permission from [123], Royal Society of Chemistry, 2017.