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. 2018 May 25;13(5):e0197779. doi: 10.1371/journal.pone.0197779

Fig 7. Viscoelastic response.

Fig 7

(A) Variation of the viscous response factor λk to changes of surface distance Dk. (B) Variation of the relaxation time τk. The solid line is the curve τ = cδ with c = 2.35×106 s/m. The data and symbols are the same as in Fig 6. Data obtained after surface detachment have been omitted for clarity.