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Figure 2 | Journal of Therapeutic Ultrasound

Figure 2

From: In vitro methods for evaluating therapeutic ultrasound exposures: present-day models and future innovations

Figure 2

Nanoparticle uptake in type I collagen gels. pFUS exposures in the gels were provided at a single location, after which the gels were immersed in a suspension of 100-nm diameter, fluorescently labeled, polystyrene NPs. In all three gels (a, b, and c), the NPs were initially taken up only in the region of treatment. Even at 24 h later, the NPs were somewhat more diffuse but still found to be restricted to the treated region (VF, unpublished).

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