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(A) Molecular structure of the hydrogelator. (B) TEM image of the nanofiber matrices in the cryo-dried hydrogel of 47. (C) Cumulative percent in vivo release profiles: (■) 131I-NaI solution, (●) 131I-epidepride solution, (▲) 131I-NaI in gel II, and (▼) 131I-epidepride in hydrogel. (Adapted from © 2009 American Chemical Society with permission.[103])
