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相关概念视频

Modified-Release Drug Delivery Systems: Stimuli-Activated01:30

Modified-Release Drug Delivery Systems: Stimuli-Activated

Stimuli-activated drug delivery systems are designed to release drugs in response to specific physical, chemical, or biological stimuli. These systems often utilize hydrogels—three-dimensional, hydrophilic polymer networks capable of swelling in aqueous environments and retaining significant fluid volumes. Upon exposure to particular stimuli, these hydrogels undergo structural transitions that allow the embedded drug to be released. Due to this adaptive behavior, such systems are also called...

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Alternating Magnetic Field-Responsive Hybrid Gelatin Microgels for Controlled Drug Release
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空间时间控制释放的水凝用于多系统调节的骨再生.

Jingxia Chen1, Jiaxin Luo1, Jian Feng1

  • 1Department of Oral Implantology, Hospital of Stomatology, Jilin University, Changchun 130021, China; Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun 130021, China.

Journal of controlled release : official journal of the Controlled Release Society
|July 2, 2024
PubMed
概括

水凝支架通过控制,顺序释放药物来提供先进的骨缺陷治疗. 这种策略优化了骨愈合环境,促进了更快,更高质量的骨再生.

关键词:
骨组织再生 骨组织再生控制释放释放的控制释放水凝是一种水凝.

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科学领域:

  • 生物材料科学 生物材料科学
  • 组织工程是组织工程.
  • 再生医学是一种再生医学.

背景情况:

  • 骨缺陷带来了重大的临床挑战,需要有效的支架材料来再生骨组织.
  • 由于它们的3D结构,水凝是有前途的支架,能够加载骨质药物以增强骨形成.
  • 优化新的骨形成需要通过战略性,顺序性的药物递送来平衡炎症和血管重塑.

研究的目的:

  • 审查持续释放水凝中受控释放系统的原则.
  • 探索用于骨组织再生的水凝多药物输送系统的进步.
  • 突出水凝微结构设计在实现骨质合成序列药物释放中的作用.

主要方法:

  • 对受控释放原则的审查 (膨胀,物理,化学,环境控制系统).
  • 对顺序释放药物的水凝微结构设计的分析.
  • 检查多种药物输送系统,以优化骨微环境.

主要成果:

  • 水凝微结构可以实现连续的药物释放,延长治疗作用.
  • 水凝内的受控释放系统优化了药物输送以促进骨再生.
  • 多种药物输送系统可促进时空控制,增强骨愈合.

结论:

  • 水凝是骨组织再生的有效支架,特别是在受控的多药物输送中.
  • 从水凝中释放药物的战略顺序释放对于免疫调节和血管重塑至关重要.
  • 基于水凝的药物输送系统的进步为治疗骨缺陷提供了巨大的潜力.