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Bright-field images of SK BR 3 cells in the absence and presence of 30 μl/ml nanoparticles (non-filtered). A represents the control, B – sample Gd1 (Gd2O3/SBA-15) and C – sample Gd2 (Gd2O3/SBA-15-/5FU). Images were detected 48 h after nanoparticles administration.
