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. Author manuscript; available in PMC: 2011 Apr 2.
Published in final edited form as: J Control Release. 2010 Jan 4;143(1):71–79. doi: 10.1016/j.jconrel.2009.12.022

Fig. 2.

Fig. 2

Kinetics of uptake of HPMA copolymers with different functional groups. Cells were incubated with copolymers followed by flow cytometry analysis. a) Uptake after 4 h in response to different dosages of P-DEMA20F3 and P-MAA20F6. b) Time dependent uptake of P-DEMA20F3 (0.1mg/ml) and P-MAA20F6 (0.1mg/ml). The data shown are averages (± SD) of three separate experiments. For molecular weight of fractions see Table 2. Note: Some SDs are too small to be recognized.