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The Comparison of Physicochemical Properties of Four Cross-Linked Sodium Hyaluronate Gels with Different Cross-Linking Agents

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Abstract:

Abstract：PurposeThe physicochemical properties of four Cross-linked sodium hyaluronate gels(CHA) with different cross-linking agents were conpared.In order to research out the different stability and Enzyme-resistant properties of these CHA.Methods The CHA hydrogels were prepared with different cross-linking agents, such as PEG20000, PDE, BDDE and ADH. The optimal reaction conditions were determined by single factor experiment. Dynamic viscosity was tested by Stabinger method. Intrinsic viscosity was tested by Uzziah's viscosity method. The in vitro Enzyme-resistant properties of CHA-gels were analysed by carbazole and spectrophotometry. Results The concentrations of NaOH/HCl, concentrations of HA and the ratio of cross-linking agent to HA were significant conditions which influenced the physicochemical properties of CHA gels. PDE-CHA and PEG20000 gels have best Dynamic viscosity, PDE-CHA gel has best Intrinsic viscosity, ADH-CHA and BDDE-CHA gels have better Enzyme-resistant properties than PEG20000-CHA and PDE-CHA gels.Conclusion The CHA-gel prepared under optimal reaction conditions have different physical and chemical properties, which set foundation for developing double cross-linked gel with both excellent stability and Enzyme-resistant properties.

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Periodical:

Advanced Materials Research (Volumes 396-398)

Pages:

1506-1512

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.396-398.1506

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Cite this paper

Online since:

November 2011

Authors:

Yu Jia Cui, Wei Guo Wang, Peng Li, Yong Liang Zhao, Ya Nan Gu, Jia Li Wan

Keywords:

Cross-Linked Sodium Hyaluronate Gels, Different Cross-Linking Agents, Dynamic Viscosity, Enzyme-Resistant Degradation Properties in Vitro, Intrinsic Viscosity

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