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Fig. 4 | Journal of Nanobiotechnology

Fig. 4

From: Elasticity spectra as a tool to investigate actin cortex mechanics

Fig. 4

Elasticity spectra of single cells. a Schematic of the experimental protocol: a microbead is collected with the FluidFM cantilever and used to indent the cell, described as a double layer with the external AC of thickness \(d_0\) and elasticity \(E_0\) and the cytosol with bulk elasticity \(E_b\). b Experimental set of force–indentation curves \(F(\delta )\) obtained on 315 cells. The blue line indicates the average curve and the red dashed line is the best Hertz fit (Eq. 1). c Elasticity spectra obtained by the application of Eq. (5) to the single curves of b. The blue line indicates the average of tghe Elasticity Spectra and the red dashed line is the fit with the exponential bilayer model (Eq. 8)

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