Biomedical Engineering Reference
In-Depth Information
800
600
400
200
0
nm
0
200
400
600
800
Figure 8.4
Microfibrillar bundles are also observed to be composed of nanometer-sized
(
∼
30nm)nanofibers.Reprintedfrom(14).Copyright(2008),withpermissionfromElsevier.
Crystalline
Amorphous
~150
Å
~260
Å
~60
Å
~65
Å
30 nm
Figure8.5
AFMphaseimagessupportHessetal.modelforthepresenceofperiodsfrom10
to20nmfor thepresenceof crystallineandamorphous regions in thedirectionof thefiber
axis.Reprintedfrom(14).Copyright (2008),withpermissionfromElsevier.Reproducedwith
permissionfrom(20).Copyright(1941),Oldenbourg.
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