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Fig. 1 | Applied Microscopy

Fig. 1

From: Stem cell behaviors on periodic arrays of nanopillars analyzed by high-resolution scanning electron microscope images

Fig. 1

The fabrication process of PUA nanostructures (a), and the SEM images of hASCs cultured on the nanopillars fabricated by soft lithography with b, c 350; d, e 500; and f, g 1000 nm nanobeads. b, d, f Interaction of nanopillars with the lamellipodia of a stem cell. c, e, g Interaction of nanopillars with the filopodia of a stem cell. On b and d, red arrows show the deflection of pillars. On c and e, the difference of the deflection of pillars is shown with red bars in yellow circles. Unlike nanopillars with 350- and 500-nm nanobeads, the nanopillars fabricated with 1000-nm nanobeads did not show deflection for both of f and g

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