highly significantp < 0.001
Two-way ANOVA revealed a highly significant effect of cell line on uptake for both the nanoparticle p < 0.001, η 2 = 0.919 and antibody ( p < 0.001, η 2 = 0.933) constructs, confirming that uptake was substantially and consistently higher in SKBR-3 cells than in MDA-MB-231 cells.