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(A) Adipogenic, osteogenic, and chondrogenic differentiation of unlabeled and gadolinium-doped mesoporous silica MCM-41 (Gd2O3@MCM-41)-labeled mesenchymal stem cells (MSCs). (B) Immunocytochemical staining of neuronal differentiation (β-tubulin III, red) and nuclear staining (Hoechst 33342, blue) of unlabeled and Gd2O3@MCM-41 labeled green fluorescent protein (GFP)-expressing neural stem cells (NSCs) (green). Scale bars: (A) 100 μm, (B) 25 μm.
