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相关概念视频

Protein Dynamics in Living Cells01:19

Protein Dynamics in Living Cells

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Different fluorescence-based techniques are used to study the protein dynamics in living cells. These techniques include FRAP, FRET, and PET.
Fluorescent recovery after photobleaching (FRAP) is a fluorescent-protein-based detection technique used to quantify protein movement rates within the cell. This method exposes a small portion of the cell to an intense laser beam. The laser beam causes permanent photobleaching of the fluorophore-tagged proteins in the exposed region. As the bleached...
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相关实验视频

Updated: Jun 29, 2025

A Flow Cytometry-Based Cell Surface Protein Binding Assay for Assessing Selectivity and Specificity of an Anticancer Aptamer
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通过微流体光显微镜评估阿普塔默-分析剂结合动力学.

Kechun Wen1, Xin Meng1, Chengxi Wang1

  • 1Department of Mechanical Engineering, Columbia University, New York, NY, 10027, USA.

Sensors and actuators. B, Chemical
|April 1, 2024
PubMed
概括
此摘要是机器生成的。

这项研究引入了一种具有成本效益的光显微镜测试,用于探测阿帕特默结合动力学. 该方法使用微流体技术在资源有限的实验室中进行可访问,快速的分析.

关键词:
一个aptamer的应用程序.光显微镜的光显微镜.运动学的动力学.微流体学 在微流体学方面

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An In Vitro Single-Molecule Imaging Assay for the Analysis of Cap-Dependent Translation Kinetics
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Determination of In Vitro and Cellular Turn-on Kinetics for Fluorogenic RNA Aptamers
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相关实验视频

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Determination of In Vitro and Cellular Turn-on Kinetics for Fluorogenic RNA Aptamers
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科学领域:

  • 生物化学 生化学
  • 分子生物学分子生物学
  • 分析化学 分析化学

背景情况:

  • 动力测量对于aptamer选择和理解结合机制至关重要.
  • 现有的方法往往是昂贵的,需要大量的样本和专门的设备,限制了可访问性.

研究的目的:

  • 开发一种基于光显微镜的简单,具有成本效益的微流体测定方法,用于测量阿巴美尔-分析物结合动力学.
  • 为了提供一种可访问的替代品,以对阿普他默动力学分析,特别是对于资源有限的实验室.

主要方法:

  • 微流体芯片用于固定目标 (蛋白质或细胞).
  • 引入了光标记的阿普坦体,并使用标准光显微镜随着时间的推移监测它们的结合动力学.
  • 该试验利用微流体流来进行高效的阿普坦-标相互作用和测量.

主要成果:

  • 该试验成功地测量了阿普坦酶与免疫球蛋白E蛋白和CCRF-CEM细胞的结合动力学.
  • 获得的结果与既有,更复杂的方法一致.
  • 证明了该试验对探索阿普坦-标相互作用的实用性.

结论:

  • 开发的基于光显微镜的微流体检测方法提供了一种简单,具有成本效益和易于使用的方法,用于对阿巴胺结合的动力测量.
  • 这种技术可以帮助识别最佳的aptamers用于各种生物医学应用.
  • 增强研究实验室的研究能力,而这些实验室对体研究的资源有限.