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CHITOSAN HYDROGELS WITH 3D LIESEGANG RING STRUCTURE FOR RIFAMPICIN RELEASE

机译:具有3D黎塞康环结构的壳聚糖水解利福平

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摘要

Polymer hydrogels with patterned structures are desirable for tissue engineering scaffolds or drug delivery carriers. Based on alternate soaking reaction diffusion, chitosan hydrogels with a 3D Liesegang ring (LR) structure were constructed without external crosslinking reagents. The alternate soaking process regulated the periodic fluctuation of the OH-concentration. The features of the LR structure were consistent with the time law and spacing law of LR phenomena. Release behavior of rifampicin was dominated by drug diffusion kinetics and chitosan relaxation.
机译:具有图案结构的聚合物水凝胶对于组织工程支架或药物递送载体是理想的。基于交替的浸泡反应扩散,无需外部交联剂即可构建具有3D Liesegang环(LR)结构的壳聚糖水凝胶。交替浸泡过程可调节OH浓度的周期性波动。 LR结构的特征与LR现象的时间定律和间隔定律一致。利福平的释放行为主要受药物扩散动力学和壳聚糖松弛的影响。

著录项

  • 来源
  • 会议地点 Suzhou(CN);Suzhou(CN)
  • 作者单位

    Institute for Advanced Ceramics,Harbin Institute of Technology, P.O.Box 433, Harbin 150001, China,State Key Laboratory of Urban Water Resource and Environment,Harbin Institute of Technology, P.O.Box 433, Harbin 150001, China;

    Institute for Advanced Ceramics,Harbin Institute of Technology, P.O.Box 433, Harbin 150001, China;

    Institute for Advanced Ceramics,Harbin Institute of Technology, P.O.Box 433, Harbin 150001, China;

    State Key Laboratory of Urban Water Resource and Environment,Harbin Institute of Technology, P.O.Box 433, Harbin 150001, China;

    Institute for Advanced Ceramics,Harbin Institute of Technology, P.O.Box 433, Harbin 150001, China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 生物材料学;生物材料学;
  • 关键词

    chitosan; hydrogel; liesegang ring; concentric layer;

    机译:壳聚糖;水凝胶;列岗环;同心层;

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