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Rigidity-dependent formation process of DNA supramolecular hydrogels - NPG Asia Materials
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A DNA building block with tunable rigidity was constructed, and the corresponding hydrogel formation process was investigated accordingly. A high rigidity was demonstrated to facilitate fast gelation. Different gelation pathways of the rigid and flexible building blocks were revealed, and a cyclized dimer intermediate was proposed. The energy barrier of the ring-opening process was also shown to play a fundamental role in determining the gelation kinetics.
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