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相关概念视频

Imaging Biological Samples with Optical Microscopy01:18

Imaging Biological Samples with Optical Microscopy

4.8K
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...
4.8K
Electron Microscope Tomography and Single-particle Reconstruction01:07

Electron Microscope Tomography and Single-particle Reconstruction

2.4K
Transmission electron microscopy (TEM) can be used to determine the 3D structure of biological samples with the help of techniques such as electron microscope tomography and single-particle reconstruction. While single-particle reconstruction can examine macromolecules and macromolecular complexes in vitro conditions only, tomography permits the study of cell components or small cells in vivo.
Electron Tomography
Electron tomography can be performed either in TEM or STEM (scanning transmission...
2.4K

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相关实验视频

Updated: Jul 16, 2025

Longitudinal Morphological and Physiological Monitoring of Three-dimensional Tumor Spheroids Using Optical Coherence Tomography
08:50

Longitudinal Morphological and Physiological Monitoring of Three-dimensional Tumor Spheroids Using Optical Coherence Tomography

Published on: February 9, 2019

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通过光学连贯断层扫描检测Reed微结构,这是一个高效且非侵入性的方法.

Jin Chen, Liang Zhu, Xinyi Gu

    Applied optics
    |September 14, 2023
    PubMed
    概括

    光学连贯断层扫描 (OCT) 非侵入性地分析木风仪,揭示微观结构变化并预测寿命. 这种先进的技术可以提供实时的洞察力,而不会损坏Arundo donax Linn的材料.

    科学领域:

    • 材料科学 材料科学 材料科学
    • 声学 声学 在声学方面
    • 生物医学工程 生物医学工程

    背景情况:

    • 木风乐器的通常是由Arundo donax Linn (ADL) 制成的.
    • ADL的机械性能极大地影响了的声学和仪器性能.
    • 目前分析微结构的方法具有破坏性,限制了进一步的研究.

    研究的目的:

    • 引入光学连贯断层扫描 (OCT) 作为一种非侵入性方法来表征ADL.
    • 研究的内部微观结构及其与性能和寿命的关系.
    • 为了证明OCT实时,3D缺陷分析的能力.

    主要方法:

    • 采用光学连贯断层扫描 (OCT) 来对微结构进行二维和三维成像.
    • 分析回散光学数据以识别微观结构变异.
    • 与振动负载激发和使用时间相关的微观结构变化.

    主要成果:

    • 在振动负荷下观察到血管壁微观结构的降解和光线扩张.
    • 在长时间使用后,在帕伦基马组织中发现反向散射信号强度下降.
    • 证明了OCT在3D中量化缺陷体积的能力.

    更多相关视频

    Full-Field Optical Coherence Microscopy for Histology-Like Analysis of Stromal Features in Corneal Grafts
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    Full-Field Optical Coherence Microscopy for Histology-Like Analysis of Stromal Features in Corneal Grafts

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    In vivo Structural Assessments of Ocular Disease in Rodent Models using Optical Coherence Tomography
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    In vivo Structural Assessments of Ocular Disease in Rodent Models using Optical Coherence Tomography

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    相关实验视频

    Last Updated: Jul 16, 2025

    Longitudinal Morphological and Physiological Monitoring of Three-dimensional Tumor Spheroids Using Optical Coherence Tomography
    08:50

    Longitudinal Morphological and Physiological Monitoring of Three-dimensional Tumor Spheroids Using Optical Coherence Tomography

    Published on: February 9, 2019

    7.7K
    Full-Field Optical Coherence Microscopy for Histology-Like Analysis of Stromal Features in Corneal Grafts
    07:51

    Full-Field Optical Coherence Microscopy for Histology-Like Analysis of Stromal Features in Corneal Grafts

    Published on: October 21, 2022

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    In vivo Structural Assessments of Ocular Disease in Rodent Models using Optical Coherence Tomography
    07:44

    In vivo Structural Assessments of Ocular Disease in Rodent Models using Optical Coherence Tomography

    Published on: July 24, 2020

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    结论:

    • 海外国家和地区提供了一种强大的,非侵入性的实时技术,用于子的表征.
    • 使用OCT的微结构分析可以预测子的寿命并识别缺陷.
    • 这种方法比传统的破坏性技术具有显著的优势.