Macromolecular Research, Vol.22, No.10, 1132-1135, October, 2014
Incorporation of graphene oxide to pH-responsive hydrogel for rapid adsorption-desorption of nanoparticles on patterned hydrogel surface
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A new composite pH-responsive hydrogel that is highly sensitive to the adsorption-desorption of
nanoparticles by incorporating GO into polymethacrylic acid (PMAA) hydrogel grafted with poly-(ethylne glycol) (PEG) was synthesized. The hydrogel was fabricated to a patterned surface film for rapid response in the adsorption and desorption to pH stimuli. The morphological structure of the patterned hydrogel surface and the adsorption-desorption of Ag nanoparticles to the hydrogel depending on pH change were greatly increased by the incorporation of GO.
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