Multifunctional actuation systems responding to chemical gradients

Lauren D. Zarzar, Qihan Liu, Ximin He, Yuhang Hu, Zhigang Suo, Joanna Aizenberg

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


The ability to manipulate the movement of surface microstructures is essential for the development of dynamic, responsive materials. We demonstrate that in addition to bulk actuation upon drying, a unique type of highly localized, directional actuation can be achieved when microstructures embedded in pH responsive gel are exposed to pH gradients. Theory and modelling elucidates the underlying mechanism behind this novel approach to inducing responsive actuation.

Original languageEnglish (US)
Pages (from-to)8289-8293
Number of pages5
JournalSoft matter
Issue number32
StatePublished - Aug 28 2012

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics


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