Fig. 3From: Proliferation of Epithelial Cells on PDMS Substrates with Micropillars Fabricated with Different Curvature CharacteristicsCombined images for HeLa cells with expression of Hoechst 33342 (blue) for nucleus staining and with transmission bright field on different PDMS substrates, including the 14-, 18-, 22-, 26- and 30-h micropillar substrates. Bar 100 μmBack to article page