Figure 8.

SEM of unorientated collagen-I-nanofibers. A: nanofibers without cells, the fibers show a more flattened structure with smaller pore sizes than orientated nanofibers, 5000×. B: nanofibers 3 days after seeding (arrows: cells), 1000×.

Beier et al. BMC Biotechnology 2009 9:34   doi:10.1186/1472-6750-9-34
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