the mass ratio of IM@Z and siRNA was optimized and meanwhile, a laser confocal microscope and flow cytometer were used to analyze the transfection efficiency of GFP-siRNA (GFP sense: 5′-GGCUACGUCCAGGAGCGCACC-3′), with NC-siRNA (NC sense: 5′-CGGUGAGCCAGGCGUGCAAUU-3) used as a pa...