Fig. 1

ESEM images of L929 mouse fibroblast cultured on top of customized nanotube arrays with a tube diameter of (32 ± 3) nm for different cultivation times: 1 day (a), 4 days (b) and 7 days (c). Scale bars correspond to 50 μm
ESEM images of L929 mouse fibroblast cultured on top of customized nanotube arrays with a tube diameter of (32 ± 3) nm for different cultivation times: 1 day (a), 4 days (b) and 7 days (c). Scale bars correspond to 50 μm