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The effect of rmIL-10-conjugated Ag-PVPs (a) and non-conjugated Ag-PVPs (b) on cellular viability. Mouse J774 macrophages were exposed to Ag-PVPs or rmIL-10-conjugated Ag-PVPs for 24, 48, and 72 h and the cell viability was determined by the tetrazolium dye MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) based assay. The relative survival of cells is expressed as the percent of control untreated cells.
