Thermo-Responsive Supramolecular Hybrid Hydrogels Formed by Graphene Oxide-Grafted-Poly(Ethylene Glycol) and α-Cyclodextrin

Song Hua Kong; Mi Zhou; Xiao Feng Ye; Xin Qian

doi:10.4028/www.scientific.net/AMR.718-720.172

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 718-720Thermo-Responsive Supramolecular Hybrid Hydrogels...

Thermo-Responsive Supramolecular Hybrid Hydrogels Formed by Graphene Oxide-Grafted-Poly(Ethylene Glycol) and α-Cyclodextrin

Abstract:

Poly(ethylene glycol) methyl ether-grafted-graphene oxide (GO) was synthesized by a coupling reaction and formed inclusion complexes (ICs) after selective threading of the mPEG segments of the GO-mPEG through the cavities of α-cyclodextrins (α-CDs) units. The polypseudorotaxane structures of the as-obtained hydrogels were confirmed by X-ray diffraction, TGA, DSC, and SEM. The complexation of the mPEG segments with α-CDs and the hydrogen-bond interaction between CDs resulted in the formation of supramolecular hybrid hydrogels with a strong network. The resultant hybrid hydrogels were found to be thermo-responsive, and could be applied as a promising drug delivery system.

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Periodical:

Advanced Materials Research (Volumes 718-720)

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172-175

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.718-720.172

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Online since:

July 2013

Authors:

Song Hua Kong, Mi Zhou, Xiao Feng Ye, Xin Qian

Keywords:

Graphene Oxide, Supramolecular Hydrogel, Thermo-Responsive, α-Cyclodextrins

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