Figure 2.

Microfibril of Pinus radiata. Image acquired with TEM. The black arrow indicates the boundaries of a microfibril, which is approximately 28 nm in diameter. The white arrows indicate a single elementary fibril, which is 3.5 nm in diameter. See also Chinga-Carrasco et al. [16].

Chinga-Carrasco Nanoscale Research Letters 2011 6:417   doi:10.1186/1556-276X-6-417
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