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. Author manuscript; available in PMC: 2011 Apr 20.
Published in final edited form as: Langmuir. 2010 Apr 20;26(8):5364–5373. doi: 10.1021/la9037843

Figure 1.

Figure 1

Characterization of HBPE 5 and HBPE nanoparticles 9. a) GPC traces of HBPE 5, showing the formation of (i) oligomers and low-molecular weight polymers before applying vacuum and (ii) high molecular weight polymer after applying vacuum. b) Determination of the hydrodynamic diameter of HBPE nanoparticles 9 using DLS, showing an average diameter of 88 nm. c) Fluorescence emission spectra of different dye (DiI, DiD and DiR)-encapsulated HBPE nanoparticles (9) in PBS buffer. d) Comparing the fluorescence emission spectrum of DiI-HBPE NPs (9) with that of free DiI dye in solution, inset: images showing A) DiI dye alone in DMF solution and B) DiI encapsulating HBPE nanoparticles (9) in PBS.