Fabrication of PLA-PEG Nanoparticles as Delivery Systems for Improved Stability and Controlled Release of Catechin

Figure 3

(a) XRD spectra of unloaded nanoparticle, CATNP (10 mg/ml), and free catechin (10 mg/ml). FT-IR spectra of (b) free catechin (10 mg/ml), (c) CATNP (10 mg/ml), and (d) unloaded nanoparticle.

(a)

(b)

(c)

(d)