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. 2014 Oct 20;1(1):17–25. doi: 10.1093/rb/rbu008

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© The Author(s) 2014. Published by Oxford University Press.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 2. — (a) Representative force-versus-distance curves between Fn-immobilized tip and PHEMA brushes with different thicknesses. (b) Histograms of adhesion force of Fn on PHEMA brushes. (c) Relationship between adhesion force of Fn and cell adhesion (data from literature [20]; the experimental details can be found thereof too) on different thickness of PHEMA brushes. The total number of Fn modified on the AFM tips remains same for all the measurement because of the same treatment of these tips.