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相关概念视频

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Electromagnetic (EM) radiation can be considered an oscillating electric and magnetic field propagating through a medium that can interact with matter in its path. The electric field in the radiation can interact with electrical charges in the atoms or molecules in the matter. On the other hand, the magnetic field can interact with the magnetic field in the atomic nucleus. The study of the interaction between electromagnetic radiation and matter is termed spectroscopy. Spectroscopy is the study...
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Orally administered drugs primarily enter the systemic circulation via passive diffusion through the intestinal membranes. The drug's absorption is influenced by drug stability in the gastrointestinal GI tract, membrane permeability, the surface area available for absorption, luminal drug concentration, and residence time in the lumen. Drug permeability can be enhanced by adjusting the lipophilicity, polarity, or molecular size of the drug, promoting its passive transport across intestinal...
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Preparation of Light-responsive Membranes by a Combined Surface Grafting and Postmodification Process
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接口之间的相互作用决定了刺激响应的乳液行为.

Marcel Rey1,2, Jannis Kolker3, James A Richards4

  • 1School of Physics and Astronomy, The University of Edinburgh, Peter Guthrie Tait Road, Edinburgh, EH9 3FD, UK. marcel.rey@physics.gu.se.

Nature communications
|October 23, 2023
PubMed
概括
此摘要是机器生成的。

微凝颗粒的特性,而不是内部结构,决定了刺激响应的乳液行为. 液体界面上的界面相互作用和微凝形态是控制释放和乳液稳定性的关键.

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科学领域:

  • 体和接口科学科学
  • 材料科学 材料科学 材料科学
  • 化学工程是化学工程的重要组成部分.

背景情况:

  • 刺激响应乳液将长期储存与受控释放相结合.
  • 像pH值和温度变化这样的外部触发器激活释放.
  • 了解控制它们稳定性和响应性的因素至关重要.

研究的目的:

  • 为了研究微凝颗粒性质在热响应乳液行为中的作用.
  • 确定液体接口上的微凝形态如何影响乳液稳定性和响应性.
  • 阐明控制刺激响应乳液性能的界面相互作用.

主要方法:

  • 微凝颗粒的表征 (聚合物和合物性质).
  • 在液体界面上分析微凝形态.
  • 研究界面相互作用及其对乳液稳定性和热响应性的影响.

主要成果:

  • 热响应乳液的行为是由面际相互作用决定的,而不是粒子内部相互作用.
  • 微凝的合性质确保了皮克林乳液的稳定性,而聚合物性质则使得它们能够对刺激做出反应.
  • 界面上的微凝形态和花系统中的共享微凝对于响应性至关重要.

结论:

  • 微凝颗粒的特性,特别是它们的聚合物或体性质和界面形态,对于刺激响应的乳液至关重要.
  • 微凝所施加的界面力量在设计和控制响应性乳液系统中发挥着关键作用.
  • 优化微凝设计和界面行为是实现所需的控制释放功能的关键.