Research Article

Preparation and Characterization of Novel Perfluorooctyl Bromide Nanoparticle as Ultrasound Contrast Agent via Layer-by-Layer Self-Assembly for Folate-Receptor-Mediated Tumor Imaging

Figure 4

(a) Effect on particle diameter, polydispersity index of varying of the content of PFOB, the concentration of LutrolF68, the concentration of LutrolF68, and the concentration of oleic acid; (b) effect on particle diameter and zeta potential of varying of the content of PFOB, the concentration of LutrolF68, the concentration of LutrolF68, and the concentration of oleic acid.
(a)
(b)