Figure 1From: Folic-acid-conjugated pullulan/poly(DL-lactide-co-glycolide) graft copolymer nanoparticles for folate-receptor-mediated drug delivery Synthesis scheme of FAPuLG copolymer (a) 1 H NMR spectra of FA-PU (b), PuLG (c), and FAPuLG (d) conjugates. Back to article page