Fig. 2From: Ultrastructural changes during osteogenic differentiation in mesenchymal stromal cells cultured in alginate hydrogelResults from live/dead staining using calcein AM (green) and propidium iodide (red) in osteogenic (a) and non-osteogenic (b) groups (images merged); the chart shows the percentage of viable cells within each group (c); scale bar 400 µmBack to article page