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].
