Abstract
Thermosensitive poly(N-isopropylacrylamide) gels with highly-ordered honeycome surface and inverse opal structure were successfully fabricated by several microfabrication methods using closely packed silica beads as a template. The gels are able to reversibly change the shapes and sizes of the pores with swelling-deswelling by temperature changes. In particular, regular buckling was induced due to compression with swelling. Such a thermoregulation of surface topography might be useful for design of functional surfaces with tunable physical properties.
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Acknowledgements
This work was supported in part by a Grant for 21st Century COE Program “Human-Friendly Materials based on Chemistry” from the Ministry of Education, Culture, Sports, Science, and Technology of Japan.
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Maeda, Y., Yoshida, R. Fabrication of micropatterned thermosensitive gel with highly-ordered honeycomb surface and inverse opal structure. Biomed Microdevices 11, 809–815 (2009). https://doi.org/10.1007/s10544-009-9297-5
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DOI: https://doi.org/10.1007/s10544-009-9297-5