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Fluorescence confocal microscopy and flow cytometry analysis of siRNA delivery by PAEA128-b-PS40 cSCKs. Fluorescently labeled GAPDH siRNA (100 nM) was complexed with cSCK-pa100, cSCK-pa50-ta50, and cM-ta100 at N/P ratios of 10, 10, and 20 and incubated with HeLa cells for 4 h and then examined by fluorescence confocal microscopy (A–C) and flow cytometry (D).
