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Polypeptide hydrogels were prepared by cross-linking of hydrophobically-modified poly[N 5 -(2-hydroxyethyl) l-glutamine] having alkyl side chains –C n H 2n+1 . Chain length of the alkyl group was n = 8, 16, and 18, and their mole fractions in the polypeptide were varied in the range of 0.05–0.16. Shape memory ability of the prepared polypeptide hydrogels was investigated. After...