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高速磁镊,用于力敏元件的纳米力学测量
JoVE Revista
Bioquímica
Author Produced
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JoVE Revista Bioquímica
High-Speed Magnetic Tweezers for Nanomechanical Measurements on Force-Sensitive Elements
DOI:

08:50 min

May 12, 2023

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Capítulos

  • 00:04Introduction
  • 00:59Apparatus Construction
  • 02:36Flow Cell Fabrication
  • 03:50Assembly of Bead‐Tether Constructs
  • 04:20Identification of Target Constructs
  • 05:00Calibration of Magnetic Force
  • 05:50Bead Tracking for Extension Measurement
  • 06:28Results: Effect of Magnetic Force on DNA Constructs
  • 08:11Conclusion

Summary

Traducción Automática

在这里,我们描述了一种高速磁镊装置,该装置以最大1.2 kHz的速率对力敏生物分子进行纳米力学测量。我们将它作为模型系统介绍其在DNA发夹和SNARE复合物中的应用,但它也适用于参与机械生物学事件的其他分子。

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