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上转化合体用于跟踪纳米颗粒的细胞吸收.

Mykhailo Nahorniak1, Daniel Horák1, David Liebl2

  • 1Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, 162 00 Prague, Czech Republic.

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此摘要是机器生成的。

我们为生物医学应用开发了先进的升级转化纳米粒子 (UCC). 表面修饰增强了它们的稳定性和细胞吸收,显示了科学和工程领域的广泛潜力.

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合物合物是一种合物.皮质细胞是表皮细胞.细胞质瘤细胞的细胞.在内部化,内化.巨细胞是什么?巨细胞是什么?表面的修改表面的修改上升转换是一种上升转换.

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科学领域:

  • 纳米技术 纳米技术
  • 材料科学 材料科学 材料科学
  • 生物医学工程 生物医学工程

背景情况:

  • 上转化纳米粒子 (UCC) 将红外光转化为可见/紫外光,提供了技术潜力.
  • 基于兰化物的纳米粒子 (~10nm) 是上转换应用的关键组件.
  • 表面修饰对于生物系统中纳米粒子的稳定性和功能性至关重要.

研究的目的:

  • 为了合成和表征高质量的上转化纳米粒子 (UCC).
  • 为了提高UCC的合稳定性和水 dispersibility.
  • 评估已修改的UCC的体外细胞吸收和潜在应用.

主要方法:

  • 通过高温共降和热水处理合成UCC.
  • 用PEG-alendronate (PEG-Ale) 进行PEG化UCC,以改善水性分散.
  • 通过电子显微镜,动态光散射和光显微镜来表征纳米粒子.

主要成果:

  • 实现了稳定的,基于10纳米兰化物的上转化纳米粒子 (UCC).
  • PEG-Ale修改增强了合体稳定性和上转换排放.
  • 在体外证明了UCC@Ale-PEG通过上皮细胞和巨细胞的内部化.

结论:

  • 开发了新一代具有增强性能的上转化纳米粒子 (UCC).
  • 表面修饰的UCC显示出有希望的生物相容性和细胞吸收.
  • 这些UCC在生物医学,生物工程和环境科学中具有广泛的应用潜力.