The hydrolysis of the carboxylic ester bond, by a base or catalyzed by an enzyme under weak basic conditions, serves as the only path to obtain a novel anisotropic supramolecular hydrogel that is stable over a wide pH range. This result not only expands the molecular scope of supramolecular hydrogelators but also illustrates the design principles for creating pH-stable supramolecular soft materials.
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Zhao et al. (2010) studied this question.
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