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. Author manuscript; available in PMC: 2017 Mar 1.
Published in final edited form as: Angew Chem Int Ed Engl. 2016 Feb 5;55(10):3309–3312. doi: 10.1002/anie.201509183

Figure 2.

Figure 2

(a) Zeta potential of different PEANPs and the peak wavelength shift of CBB (Δλ) incubated with different NPs; Encapsulation efficiency of (b) interiorly loaded insulin and (c) surface-loaded Tf for different NPs; Release profile of insulin from different (d) PEA NPs and (e) PLGA-PEA NPs.