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相关概念视频

Atomic Force Microscopy01:08

Atomic Force Microscopy

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Atomic force microscopy (AFM) is a type of scanning probe microscopy that can analyze topographic details of various specimens like ceramics, glass, polymers, and biological samples. AFM offers over 1000 times more resolution than the optical imaging system. Images generated from AFM are three-dimensional surface profiles, offering an advantage over the flat, two-dimensional images from other imaging techniques.
The AFM Probe
The probe is regarded as the heart of any AFM setup and comprises the...
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Studying the Cytoskeleton01:17

Studying the Cytoskeleton

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The cytoskeletal architecture can be studied using different microscopic and biochemical techniques. Electron microscopy was instrumental in discovering the cytoskeletal architecture around the 1960s, which allowed obtaining structural information at a high-resolution level. However, the sample preparation procedure often limits this ability in biological samples. Several protocols have been developed over the years to optimize sample preparation. In one of the protocols known as rotary...
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相关实验视频

Updated: May 20, 2025

Measuring the Mechanical Properties of Living Cells Using Atomic Force Microscopy
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Measuring the Mechanical Properties of Living Cells Using Atomic Force Microscopy

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通过侧视光学显微镜辅助原子力显微镜的单细胞平行板机械学.

Mingyang Yang1,2, Yanqi Yang1,2, Lianqing Liu1

  • 1State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences Shenyang 110016 China limi@sia.cn.

Nanoscale advances
|March 26, 2025
PubMed
概括

这项研究引入了一种新的原子力显微镜 (AFM) 方法,用于单细胞的实时侧视机械分析. 这种技术量化了细胞刚性和粘附力,推进了机械生物学研究.

科学领域:

  • 生物物理学的生物物理.
  • 细胞生物学 细胞生物学
  • 材料科学 材料科学 材料科学

背景情况:

  • 细胞机械力量在生理和病理过程中至关重要.
  • 基于原子力显微镜 (AFM) 的力光谱是单细胞机械测量的关键工具.

研究的目的:

  • 开发和验证一种使用侧视光学显微镜辅助AFM的新型单细胞机械测量方法.
  • 为了实时可视化和量化单轴细胞力学.

主要方法:

  • 一个状探头被使用AFM和侧视光学显微镜用于单轴力光谱.
  • 进行了全细胞压缩和粘附试验,以测量模和细胞粘附力.

主要成果:

  • 该方法允许实时可视化AFM力光谱过程.
  • 确定了细胞的模量,并检查了实验参数和活性抑制剂的影响.
  • 基于AFM的单轴单细胞力谱学 (SCFS) 成功测量了细胞粘附力.

结论:

  • 提出的方法提供了一个有前途的方法,用于全面的单细胞机械分析.
  • 这种技术增强了AFM力光谱在机械生物学中的应用.

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Automation of Bio-Atomic Force Microscope Measurements on Hundreds of C. albicans Cells
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相关实验视频

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Automation of Bio-Atomic Force Microscope Measurements on Hundreds of C. albicans Cells

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  • 它更深入地了解了机械线索在生物活动中的作用.