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. 2014 Sep 17;5:471. doi: 10.3389/fpls.2014.00471

Figure 1.

Figure 1

Atomic force microscopy. (A) Schematic representation of the AFM setting. (B) Optical micrograph of the AFM cantilever located at the surface of a round cell of E. siliculosus filament. (C) Example of force curve, x axis represents the z motion of the cantilever and y axis represents the force applied at the surface of the cell. (D) Elasticity map of a 1 μm2 area consisting of an array of 16 by 16 force curves.