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. Author manuscript; available in PMC: 2016 Sep 8.
Published in final edited form as: Mol Pharm. 2015 Aug 24;12(9):3250–3260. doi: 10.1021/acs.molpharmaceut.5b00216

Figure 4.

Figure 4

Dual targeted AuNPs uptake is specific. U87 cells were incubated with targeted (EGFpep+Tfpep)-AuNPs-Pc 4 (500 nM) and either fluorophore-conjugated full-length EGF (100 nM) or Tf (250 nM) or both EGF and Tf for 1 h (black bars) or 4 h (red bar). Pc 4 was measured by fluorescence (630 nm). (*, p ≤ 0.01; **, p ≤ 0.001).