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(A) Chemical structure of adenosine-based hydrogelator 82. Gelation of 1.37 × 10−2 M solution of 82 in water at room temperature. (B) Solution of 82 before and after sonication (47 kHz, 30–60 s). (C) SEM images of dried 82 solution (20 μm scale bar) and gel (1 μm scale bar). (Adapted from © the Royal Society of Chemistry 2008 with permission.[138])
