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. 2012 Jan 5;2:211. doi: 10.1038/srep00211

Figure 4. Carboxyl-functionalized NPs enhance mucin diffusivity secreted from A549 cells.

Figure 4

Mucin diffusivity was significantly elevated by negatively-charged NPs (120 nm) as a function of increasing NP concentration. Data are shown as mean±SD (n≥10). NP treated groups are markedly different from the untreated control at p<0.005 as indicated by **.