Mechanical and monomeric structural properties of h9e peptide in 70% DMSO solution with/without Ca2+. (A) G′ of h9e hydrogel in 70% DMSO solution with 0, 3, and 30 mM Ca2+. (B) Shear-thinning and recovery properties of h9e hydrogel in 70% DMSO solution with 0, 3, and 30 mM Ca2+. (C) Chemical Shift Index of h9e peptide in 70% DMSO solution with 0, 3, and 6 mM Ca2+.