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. 2009 Jul 13;53(9):3985–3988. doi: 10.1128/AAC.00009-09

FIG. 1.

FIG. 1.

Fluorescence histogram from flow cytometry depicting the uptake of nanostructures labeled with fluorescein isothiocyanate (FITC) into J774A.1 cells. Left histogram shows uptake of N1F: cells without nanostructures (dashed line), uptake after incubation with N1F for 1 h (solid line without shading), and uptake after incubation with N1F for 4 h (solid line with shading). Right histogram shows uptake of N2F: cells without nanostructures (dashed line), uptake after incubation with N2F for 1 h (dotted line without shading), and uptake after incubation with N2F for 4 h (dotted line with shading).