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Decoupling dual-stimuli responses in patterned lamellar hydrogels as photonic sensors

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Title: Decoupling dual-stimuli responses in patterned lamellar hydrogels as photonic sensors
Authors: Yue, Youfeng Browse this author
Li, Xufeng Browse this author
Kurokawa, Takayuki Browse this author
Anamul Haque, Md. Browse this author
Gong, Jian Ping Browse this author →KAKEN DB
Issue Date: 21-Jun-2016
Publisher: Royal Society of Chemistry (RSC)
Journal Title: Journal of Materials Chemistry B
Volume: 4
Issue: 23
Start Page: 4104
End Page: 4109
Publisher DOI: 10.1039/C6TB00619A
Abstract: This work developed a photonic hydrogel that is responsive to, and can distinguish between two stimuli of stress and pH. Patterning is used to locally change the chemistry of a one-dimensional (1D) photonic gel, such that the native region is responsive to mechanical stress while the chemically modified region is responsive to both mechanical stress and pH. By combining the optical signals in the native region and the modified region, one can distinguish the stimuli between pH and stress. Specifically, the native 1D photonic gel is composed of periodically aligned polymeric bilayers in a soft polyacrylamide (PAAm) network. The chemical modification is done by partially hydrolyzing PAAm into sodium polyacrylic acid in some patterned regions, which imparts pH sensitivity, in addition to the stress sensitivity, to these regions.
Type: article
Appears in Collections:生命科学院・先端生命科学研究院 (Graduate School of Life Science / Faculty of Advanced Life Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 龔 剣萍 (Gong Jian Ping)

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