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Cellular uptake of micelles by fluorescence microscopy study. U87-MG-EGFRvIII-CBR cells were incubated with micelle solutions of 2a, 2b and 2c, respectively. 1: phase contrast. 2: blue fluorescence. The cells were treated with mice lle (0.1 mg/mL) for 2 h at 37 °C, followed by repeated washings and then fixed with 4% paraformaldehyde.
