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相关概念视频

Ion Exchange01:17

Ion Exchange

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Ion exchange chromatography separates charged molecules from a solution by reversibly exchanging them with mobile, or 'active', ions associated with the oppositely charged stationary phase. This method can be used to separate ions, soften and deionize water, and purify solutions. The polymers comprising the ion-exchange column are high-molecular-weight and chemically stable polymers, crosslinked to be porous and essentially insoluble. They are also functionalized with either acidic or...
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相关实验视频

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Microfluidic Buffer Exchange for Interference-free Micro/Nanoparticle Cell Engineering
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通过缓冲区交换进行多重复合纳米学.

Ting-Jui Ben Chang1,2,3,4, T Tony Yang1,2

  • 1Department of Electrical Engineering, National Taiwan University, Taipei 10617, Taiwan.

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|August 15, 2024
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概括

缓冲器交换随机光学重建显微镜 (beSTORM) 通过光闪反应来区分单个分子,使多色成像成为可能. 这一进步使生物系统中多种蛋白质的精确空间映射成为可能.

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(d) 暴风雨的发生SMLMLM SMLMLM 这是一个很大的问题.膨胀显微镜 (ExM) 的使用多色多彩的颜色.多重成像多重成像成像超分辨率显微镜的显微镜.

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相关实验视频

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科学领域:

  • 细胞生物学 细胞生物学
  • 显微镜的使用方法
  • 生物物理学的生物物理.

背景情况:

  • 多目标单分子定位显微镜 (SMLM) 对于理解复杂的细胞功能至关重要.
  • 目前的SMLM方法面临着由于颜色或寿命编码,循环染色和光学复杂性而导致的多重复制的局限性.

研究的目的:

  • 为多目标SMLM引入一种新的,简化的方法.
  • 为了增强除了光谱属性之外的光体歧视.
  • 为了同时对多个分子目标进行高分辨率成像.

主要方法:

  • 缓冲器交换随机光学重建显微镜 (beSTORM) 的开发.
  • 在不同的缓冲条件下利用可辨别的光体光闪光反应.
  • 与扩展显微镜 (ExM) 进行集成,以提高分辨率.

主要成果:

  • beSTORM成功地使单个分子不论光谱属性的差异化.
  • 实现了多目标SMLM成像与最小的交叉干扰.
  • 在与ExM结合时,在单个发射颜色内,在分子水平上分辨多达六种蛋白质,无染色偏差,当与ExM结合时.

结论:

  • beSTORM提供了一种简单而有效的光分离方法.
  • 介绍了一个高度兼容的成像平台,用于先进的纳米镜.
  • 承诺在以纳米级精度可视化多个生物目标方面取得重大进展.