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The drug transportation between macrophages and MCF-7 cells.
Notes: (A) Drugs/nanoparticles delivery from macrophages to tumor cells observed under a laser confocal microscope; mean fluorescence intensity of MCF-7 tumor cells (B) and macrophages (C). *Represents a statistically significant difference between the two groups.
Abbreviations: SOC, N-succinyl-N′-octyl chitosan; DIC, differential interference contrast microscope.
