Fig. 4From: Collagen and fibronectin surface modification of nanoporous anodic alumina and macroporous silicon for endothelial cell culturesHAEC adhesion. Attachment of HAEC after D2 or D7 of culture on different substrates. *p < 0.05 between different topographies. †p < 0.05 versus Col-functionalized structures. ‡ p < 0.05 versus D2Back to article page