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Confocal laser scanning microscopic images (in each column: left, fluorescein isothiocyanate channel; middle, rhodamine B isothiocyanate channel; right, merged images) of MCF-7 cells after 30 minutes’ incubation with coumarin-6 solution (row 1), coumarin-6-loaded micelles (row 2). Rows 3 and 4 show formulations similar to those in rows 1 and 2, but incubation time was 2 hours.
Abbreviation: PI, propidium iodide.
