Research Article

Carboxyl of Poly(D,L-lactide-co-glycolide) Nanoparticles of Perfluorooctyl Bromide for Ultrasonic Imaging of Tumor

Figure 1

Synthesized PEG-PLGA-COOH copolymer in CDCl3 (a). Schematic representation of the preparation process of nanoparticles for ultrasonic imaging (b).
(a)
(b)