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相关概念视频

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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Fixation and Sectioning01:03

Fixation and Sectioning

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Two basic types of preparation are used to visualize specimens with a light microscope: wet mounts and fixed specimens.
The simplest type of preparation is the wet mount, in which the specimen is placed in a drop of liquid on the slide. A liquid specimen can be directly deposited on the slide using a dropper. Solid specimens, such as skin scraping, can be placed on the slide before adding a drop of liquid to prepare the wet mount. Sometimes the liquid is simply water, but stains are often added...
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相关实验视频

Updated: Jan 13, 2026

Excitation-Scanning Hyperspectral Imaging Microscopy to Efficiently Discriminate Fluorescence Signals
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光谱分离,以减少费尔根染色片中的折射效应.

Kouther Noureddine1, Paul Gallagher1, Anita Carraro1

  • 1Department of Integrative Oncology, BC Cancer Research Institute, Vancouver, BC V5Z 1L3, Canada.

Sensors (Basel, Switzerland)
|January 10, 2026
PubMed
概括

光谱分离纠正因染色幻灯片中的组织折射引起的DNA测量误差. 这种计算方法提高了DNA量化准确性和病理学中的核组织分析.

关键词:
普洛伊迪分析是什么意思定量图像细胞计量学 定量图像细胞计不混合的光谱.

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A Rapid Method for Multispectral Fluorescence Imaging of Frozen Tissue Sections
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Measurement of 3-Dimensional cAMP Distributions in Living Cells using 4-Dimensional x, y, z, and λ Hyperspectral FRET Imaging and Analysis
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相关实验视频

Last Updated: Jan 13, 2026

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科学领域:

  • 组织病理学 组织病理学
  • 计算病理学计算病理学
  • 生物医学成像技术 生物医学成像技术

背景情况:

  • 精确的DNA量化对于使用DNA图像细胞计和组织学进行临床瘤病理学至关重要.
  • 由于组织的折射率不同,折射效应在成像过程中引入错误.

研究的目的:

  • 描述光谱分离作为一种方法来减少色素染色的幻灯片中的折射器件.
  • 为了提高基因病理学中DNA量测量的准确性.

主要方法:

  • 在宁染色的幻灯片上使用光谱分离.
  • 利用宁的光谱有限的吸收特性来纠正组织折射效应.

主要成果:

  • 光谱分离提供了更好的DNA量估计在每个像素.
  • 实现更准确的DNA分布在细胞核内的表现.

结论:

  • 光谱分离是用于组织学和细胞学的有价值的计算技术.
  • 减少光学工件,提高DNA量化准确度和核组织歧视.