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Fig. 4 | Journal of Biomedical Science

Fig. 4

From: Correction to: EpCAM aptamer mediated cancer cell specific delivery of EpCAM siRNA using polymeric nanocomplex

Fig. 4

Cell Uptake of the PEI nanocomplex by MCF-7 and WERI-Rb1 cells. The fabricated PEI complexes and free aptamer were added to MCF-7 cells (upper panel ae), WERI-Rb1 cells (lower panel ae) and incubated for their uptake at 37 °C for 4 h followed by DAPI counterstaining and microscopic evaluation. Images were taken at 40 × using AxioObserver fluorescent microscope. Legend on the top of phase image represents the aptamer or nanocomplex added to the respective panel

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