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. Author manuscript; available in PMC: 2015 Sep 28.
Published in final edited form as: J Control Release. 2014 Jun 28;190:485–499. doi: 10.1016/j.jconrel.2014.06.038

Fig. 4.

Fig. 4

(A) Synthesis of TPP end capped and QD functionalized PLGA-PEG block copolymers. (B) Schematic illustration of drug loaded targeted nanoparticles. (C) Modulation of size and zeta potential. (D) TEM images of the fabricated nanoparticles. (E) IL-6 and TNF-α secretion profiles of nanoparticles with different zeta potentials (left) and diameters (right). Reproduced with permission from [196].