Fig. 4
From: Deep tissue penetration of nanoparticles using pulsed-high intensity focused ultrasound
pHIFU-mediated tissue penetration effect of FCNPs using in vivo NIRF imaging system. a Fluorescence images of femoral tissues, which intravenously injected FCNPs followed by 10, 20, and 50 W pHIFU treatment. Scale bar indicates 1 mm. b Quantified fluorescence intensity of FCNPs in femoral tissues. #, *, and ** indicate difference at the p < 0.05, p < 0.01, and p < 0.001 significance level, respectively