The synthesis and characterization of mechanically robust, optically tunable inverse opal hydrogel through colloidal crystal templating is presented. Mesoporous hydrogels based on HEMA-AA copolymers exhibit pH-dependent shifts in optical diffraction, the magnitude of which can be tailored by varying the AA concentration. In addition, such hydrogel also demonstrate ionic-strength-sensitive diffraction corresponding to both Donnan potential-induced welling and nonspecific polymer-water interactions.

Original languageEnglish (US)
Pages (from-to)563-566
Number of pages4
JournalAdvanced Materials
Issue number7-8
StatePublished - Apr 17 2003

ASJC Scopus subject areas

  • General Materials Science
  • Mechanics of Materials
  • Mechanical Engineering


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