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. Author manuscript; available in PMC: 2018 Mar 21.
Published in final edited form as: ACS Macro Lett. 2017 Feb 20;6(3):235–240. doi: 10.1021/acsmacrolett.7b00008

Figure 2.

Figure 2

Schematic representation of nanoformulation, and characterization of HBPE-S polymer and functional PNPs. (A) GPC chromatogram of HBPE-S polymer 6, (B) DLS histogram of PNPs 7, (C) UV-Vis spectrum of PNPs 9 showing the presence of folic acid (λabs = 380 nm) and DiI dye (λ abs = 554 nm); Inset: Fluorescence spectrum confirming the presence of folic acid (λem = 452 nm), (D) Evaluation of cytotoxicity of functional PNPs using MTT assay. Average values of three measurements are depicted ± standard error. 1X PBS solution was used for the control cells treatment.