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Dextran-Based Self-Healing Hydrogels Formed by Reversible Diels-Alder Reaction under Physiological Conditions

Macromolecular rapid communications., 2013-09, Vol.34 (18), p.1464-1470 [Tạp chí có phản biện]

2013 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim ;2014 INIST-CNRS ;2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. ;ISSN: 1022-1336 ;EISSN: 1521-3927 ;DOI: 10.1002/marc.201300494 ;PMID: 23929621

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Nhan đề:
Dextran-Based Self-Healing Hydrogels Formed by Reversible Diels-Alder Reaction under Physiological Conditions
Tác giả: Wei, Zhao ; Yang, Jian Hai ; Du, Xiao Jing ; Xu, Feng ; Zrinyi, Miklos ; Osada, Yoshihito ; Li, Fei ; Chen, Yong Mei
Chủ đề: Applied sciences ; Chains (polymeric) ; Crosslinking ; Cycloaddition Reaction ; dextran ; Dextrans ; Dextrans - chemistry ; Diels-Alder reactions ; Exact sciences and technology ; Glycols ; Hydrogels ; Hydrogels - chemistry ; Microscopy ; Natural polymers ; Physicochemistry of polymers ; Polyethylene Glycols - chemistry ; Polymers - chemistry ; Polysaccharides - chemistry ; Rheology ; Scanning ; self-healing ; Starch and polysaccharides
Là 1 phần của: Macromolecular rapid communications., 2013-09, Vol.34 (18), p.1464-1470
Mô tả: A dextran‐based self‐healing hydrogel is prepared by reversible Diels–Alder reaction under physiological conditions. Cytocompatible fulvene‐modified dextran as main polymer chains and dichloromaleic‐acid‐modified poly(ethylene glycol) as cross‐linkers are used. Both macro‐ and microscopic observation as well as the rheological recovery test confirm the self‐healing property of the dextran‐l‐poly(ethylene glycol) hydrogels (“l” means “linked‐by”). In addition, scanning electrochemical microscopy is used to qualitatively and quantitatively in situ track the self‐healing process of the hydrogel for the first time. It is found that the longitudinal depth of scratch on hydrogel surface almost completely healed at 37 °C after 7 h. This work represents a facile approach for fabrication of polysaccharide self‐healing hydrogel, which can be potentially used in several biomedical fields. A novel dextran‐based self‐healing hydrogel is formed via reversible Diels–Alder reaction under physiological conditions, by using cytocompatible fulvene‐modified dextran as main polymer chains and dichloromaleic‐acid‐modified poly(ethylene glycol) as cross‐linkers. The self‐healing property of the hydrogel is qualitatively and quantitatively in situ tracked by scanning electrochemical microscopy for the first time.
Nơi xuất bản: Weinheim: Blackwell Publishing Ltd
Ngôn ngữ: English
Số nhận dạng: ISSN: 1022-1336
EISSN: 1521-3927
DOI: 10.1002/marc.201300494
PMID: 23929621
Nguồn: MEDLINE
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Dextran-Based Self-Healing Hydrogels Formed by Reversible Diels-Alder Reaction under Physiological Conditions

2013 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim ;2014 INIST-CNRS ;2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. ;ISSN: 1022-1336 ;EISSN: 1521-3927 ;DOI: 10.1002/marc.201300494 ;PMID: 23929621

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