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(A) Formation of flower-like micelles from pentablock copolymer Pep-NC and cleavage of peptide midblock by collagenase. (B) GPC chromatograms (IR detection) of l-Pep-NC incubated with collagenase (0.5 units·mL–1) at different times at 37 °C. (C) Mn of l-Pep-NC as a function of time, as determined by GPC.
