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. 2021 Aug 31;16:6003–6016. doi: 10.2147/IJN.S327598

Figure 4.

Figure 4

The PAI imaging capacity of NO-PB nanoparticles. The PA images of the deionized water and NO-PB in vitro (the scale bar represents 0.5 mm) as well as in tumor tissues with or without i.v. administration of NO-PB.