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. Author manuscript; available in PMC: 2013 Jul 30.
Published in final edited form as: Biomaterials. 2011 Apr 5;32(21):4943–4950. doi: 10.1016/j.biomaterials.2011.03.031

Fig 5. In vitro uptake of NP and TGN-NP.

Fig 5

bEnd.3 cells uptake 50μg/mL NP at 37°C for 30min(A/B), 60min(C/D) and 120min(E/F) and 50μg/mL TGN-NP(1:1) for 30min(I/J), 60min(K/L) and 120min(M/N), respectively. bEnd.3 cells were incubated with free Pep TGN 1h before 50μg/mL NP (G/H) or 50μg/mL TGN-NP (O/P). Phase contrast photo were attached below each corresponding fluorescent photo. The bar is 25μm.