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. 2012 Jul 25;7(7):e41814. doi: 10.1371/journal.pone.0041814

Figure 6. The cortex of a human hair stiffens after indentation.

Figure 6

DMT modulus histograms of the elastic maps shown in Figure 5. The DMT modulus distributions follow Poisson-like statistics. The mean and the standard deviation of the distribution both increase with time indicating a stiffening of the sample.