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相关概念视频

Imaging Biological Samples with Optical Microscopy01:18

Imaging Biological Samples with Optical Microscopy

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Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
In optical microscopy, the specimen to be viewed is placed on a glass slide and clipped on the stage...
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Phase Contrast and Differential Interference Contrast Microscopy01:26

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Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
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Three-dimensional imaging techniques are essential in cell biology, allowing researchers to visualize intricate cellular structures with high resolution. Two prominent methods, Differential Interference Contrast Microscopy (DIC) and Confocal Scanning Laser Microscopy (CSLM), provide distinct advantages for imaging live and thick specimens, respectively.Differential Interference Contrast MicroscopyDIC microscopy enhances contrast in transparent, unstained samples by converting phase...
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Two-Dimensional Microscopy in Microbiology01:29

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Two-dimensional (2D) microscopy encompasses a range of optical techniques that capture images within a single focal plane, offering detailed representations of microscopic structures. These techniques are essential in biological and medical research, enabling the visualization of cellular and subcellular structures with different levels of contrast and specificity.There are several major types of 2D microscopy, each with strengths and applications.Bright-Field MicroscopyBright-field microscopy...
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Updated: Jul 21, 2025

Microfluidic Imaging Flow Cytometry by Asymmetric-detection Time-stretch Optical Microscopy ATOM
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动态光学相干断层扫描用于细胞分析 [受邀]

Salvatore Azzollini1, Tual Monfort1,2, Olivier Thouvenin3

  • 1Sorbonne Université, INSERM, CNRS, Institut de la Vision, 17 rue Moreau, F-75012 Paris, France.

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概括
此摘要是机器生成的。

动态光学连贯性断层扫描 (D-OCT) 可实现细胞动态的无标签实时成像. 本综述比较了D-OCT技术,应用以及评估3D组织样本中细胞生理学的未来潜力.

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科学领域:

  • 生物医学光学 生物医学光学
  • 细胞成像 细胞成像
  • 光学连贯性断层扫描技术

背景情况:

  • 无标签的实时光学成像对于研究动态细胞过程至关重要.
  • 动态光学相干断层扫描 (D-OCT) 的进展使新的成像能力成为可能.
  • D-OCT分析细胞内器官的运动,以评估细胞运动性和代谢状态.

研究的目的:

  • 审查和比较各种动态光学连贯断层扫描 (D-OCT) 技术.
  • 提供D-OCT在生物研究中的当前应用的概述.
  • 讨论D-OCT在活细胞成像中的未来前景和机遇.

主要方法:

  • 不同的D-OCT方法的比较.
  • 分析光学信号的时间波动.
  • 为细胞运动性和代谢状态进行整体度量计算.

主要成果:

  • D-OCT允许在静态环境中可视化细胞并评估其生理学.
  • 新兴的D-OCT技术显示出对活组织样本3D评估的前景,包括活检和细胞培养.

结论:

  • D-OCT是一种强大的工具,可以对细胞动态进行无标签的实时成像.
  • 该技术为3D评估组织生理学提供了显著的潜力.
  • 继续开发D-OCT有望扩大生物医学研究中的应用.