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Response of Iota gels (squares: 0.3 wt.%; circles: 0.7 wt.%; up triangles 1.2 wt.%; down triangles: 1.7 wt.%) to a sweep in the dynamic shear strain γ at 1 Hz and 20 °C: (a) storage modulus G′; (b) loss modulus G″. γmax signals the strain where G″ passes through a local maximum for the gel with 0.3 wt.% Iota.
