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. 2013 Apr 12;8(4):e61663. doi: 10.1371/journal.pone.0061663

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© 2013 Dhahri et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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AFM height (_0, _1) and stiffness (_2) profiles for Nostoc bacterium (b_) along red line in images 10.b and 12.b and for the excreted slime (s_) along blue line in images 10.c and 12.c are plotted. Height profiles in figures _b0 and _s0 are displayed with the same height scale. Idem for those in figures _b1 and _s1 but with an enhanced contrast.