Fig. 2From: Dual functional construct containing kartogenin releasing microtissues and curcumin for cartilage regenerationPreparation and characterization of mesenchymal stem cell (MSC) aggregates and MSC/microparticle (MP) co-aggregates. a Left to right: Rhodamine B-labeled MPs; fluorescent microscopic image of a cell aggregate stained with 4′,6-diamidino-2-phenylindole (DAPI); and distribution of MPs within the cell aggregates. b Scanning electron microscopy (SEM) images of the cell aggregates on days 1 and 21Back to article page