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Fig. 2 Graph shows effect of ferumoxide-poly-L-lysine (PLL)
labeling on proliferation of adipose-derived stem cells over 7 days in
culture. Cell proliferation was assessed with
3-(4,5-dimethyl-thiazol-2-yl)-2,5-diphenyl-tetrazolium bromide assay in
duplicate cultures of adipose-derived stem cells grown in control media
(
), PLL (
), ferumoxide (
), and PLL-ferumoxide complex
(
). Results show initial decrease in proliferation of cells grown with
PLL-ferumoxide complex, although within 7 days, all experimental groups showed
proliferation equivalent to that of control cells.