Fig. 3From: CdSe/ZnS Quantum Dots-Labeled Mesenchymal Stem Cells for Targeted Fluorescence Imaging of Pancreas Tissues and Therapy of Type 1 Diabetic RatsOsteogenic and adipogenic differentiation of MSCs. a Calcified colonies after osteogenic induction stained with alizarin red. b Lipid droplet accumulated in an adipo-inductive medium stained with Oil Red OBack to article page