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. 2015 Feb 3;108(3):610–621. doi: 10.1016/j.bpj.2014.12.029

Table 1.

Summary of the parameters

Material properties Selected values
ϕ0 (resting lipid areal density) 1000/629 × 1018/m2
σ0 (lipid bilayer surface tension with zero density strain) exp(−7) mN/m
km (lipid bilayer bending modulus) 36 kBT
Kapp (lipid bilayer apparent area stretching modulus) 300 mN/m
krootlet (rootlet rotational stiffness of single stereocilium) 0.2 fN/rada
D (lipid diffusion constant) 5 μm2/s
ΔAchannel (hair cell MS channel area difference between open and closed states) 3 nm2
ΔG (hair cell MS channel internal energy difference between open and closed states) 7 kBT
rb (radial size of axisymmetric tented membrane) 22 nmb

For a discussion about how these parameters are selected, see Supporting Material.

a

The value is varied from 0.2 to 0.05 fN/rad in Fig. 4A.

b

The value is varied from 19 to 30 nm in Figs. 2, A and B, and 4B.