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Fig. 10 | Frontiers in Zoology

Fig. 10

From: Tree frog attachment: mechanisms, challenges, and perspectives

Fig. 10

Tenacity contours [mN mm −2] computed for van der Waals (vdW) interactions at various Hamaker constants and gap widths according to Equation 7. We assumed that 10% of the contact area contributes to vdW force generation. Dashed lines: Theoretical minimum Hamaker constant for water separating two similar materials at 26 °C (bottom) and a 10-fold higher Hamaker constant (top). Coloured patches show the combinations of AH and dg leading to tenacities in the range of measured values ([47], green; [69], red)

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