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Confocal microscopy images of HEK293T cells transfected with Cy3-labeled siRNA alone (A), together with Lipofectamine (B), or together with reference 14 (C) at 1 h post-transfection.
Notes: DAPI (4′,6-damidino-2-phenylindole) labeling was used to stain the chromatin (blue). Scale bars, 25 µm. Composition of reference 14: 200 mg stearic acid, 300 mg cholesteryl oleate, 600 mg octadecylamine, 100 mg poloxamer 188.
