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相关概念视频

Confocal Fluorescence Microscopy01:16

Confocal Fluorescence Microscopy

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Confocal microscopy is an advanced microscopic technique. The prime advantage of the confocal microscope over other microscopy techniques is its ability to block the out-of-focus light from the illuminated samples using pinholes. It is widely used with fluorescence optics to obtain high-resolution, sharp contrast images. Unlike optical microscopes, confocal microscopes use a focused beam of light laser to scan the entire sample surface at different z-planes. These microscopes are, therefore,...
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Super-resolution Fluorescence Microscopy01:37

Super-resolution Fluorescence Microscopy

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Super-resolution fluorescence microscopy (SRFM) provides a better resolution than conventional fluorescence microscopy by reducing the point spread function (PSF). PSF is the light intensity distribution from a point that causes it to appear blurred. Due to PSF, each fluorescing point appears bigger than its actual size, and it is the PSF interference of nearby fluorophores that causes the blurred image. Various approaches to achieving higher resolution through SRFM have recently been...
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相关实验视频

Updated: Jun 24, 2025

Simultaneous Brightfield, Fluorescence, and Optical Coherence Tomographic Imaging of Contracting Cardiac Trabeculae Ex Vivo
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Simultaneous Brightfield, Fluorescence, and Optical Coherence Tomographic Imaging of Contracting Cardiac Trabeculae Ex Vivo

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基于压缩传感的多焦线线扫描双光子显微镜用于快速的3D成像.

Gan Liu, Bingxu Chen, Zezhi Tian

    Optics express
    |June 11, 2024
    PubMed
    概括

    这项研究引入了一种新的多焦显微镜,用于快速的3D生物成像. 先进的系统实现了高速体积成像,使神经网络和实体动物研究的详细可视化成为可能.

    科学领域:

    • 生物物理学的生物物理.
    • 在光学成像系统中,光学成像
    • 显微镜的使用方法

    背景情况:

    • 快速的3D体积成像对于推进生物研究至关重要.
    • 现有的方法在深层组织可视化方面面临速度和分辨率的限制.

    研究的目的:

    • 设计和描述一个多焦线线扫描双光子显微镜.
    • 为了实现生物样本的高速3D体积成像.

    主要方法:

    • 使用数字微镜装置 (DMD) 通过二进制全息学生成多焦点.
    • 采用了度镜来扫描整个成像体积的焦点阵列.
    • 集成的压力传感算法用于稀疏样品.

    主要成果:

    • 在77 × 120 × 40 μm3的稀疏样本中实现了15.5体积/秒的体积成像速率.
    • 在107/秒的速度生成了高分辨率的光学截面.
    • 证明了对微粒,花粉和老鼠大脑切片的成像的多功能性.

    结论:

    • 多焦线扫描显微镜为3D成像提供了一个快速而通用的平台.
    • 适用于深层组织成像和动态活体动物研究.

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  • 有潜力显著增强需要高速体积数据的生物研究.