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相关概念视频

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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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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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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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A Guide to Structured Illumination TIRF Microscopy at High Speed with Multiple Colors
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超高分辨率的第二子生成成像与多焦结构照明显微镜.

Chenshuang Zhang1, Fangrui Lin1, Yong Zhang1

  • 1Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, People's Republic of China.

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概括
此摘要是机器生成的。

一种新的超高分辨率成像技术,多焦结构照明显微镜-SHG (MSIM-SHG),克服了生物成像的衍射极限. 这种方法增强了组织中细胞结构和原纤维的可视化.

关键词:
多焦点结构化照明显微镜第二声的第二声生成.超高分辨率成像成像技术

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科学领域:

  • 生物医学成像技术 生物医学成像技术
  • 光学显微镜的使用方法
  • 生物物理学的生物物理.

背景情况:

  • 第二和生成 (SHG) 成像提供了无外源标签的生理结构的非侵入性可视化.
  • 传统的SHG成像分辨率从根本上受到光学衍射的限制.
  • 克服衍射极限对于详细的生物和材料科学研究至关重要.

研究的目的:

  • 通过将SHG与多焦结构化照明显微镜 (MSIM) 结合起来,开发一种超高分辨率的成像技术.
  • 证明新型MSIM-SHG方法在生物组织和细胞的高分辨率成像方面的能力.
  • 评估MSIM-SHG对量化各种组织中的原纤维对齐的实用性.

主要方法:

  • 多焦结构照明显微镜-SHG (MSIM-SHG) 的开发.
  • 对氧化 (ZnO) 颗粒进行成像,以确定成像分辨率.
  • 应用MSIM-SHG来量化卵巢,肌肉,心脏,脏和软骨组织中的原纤维对齐.

主要成果:

  • MSIM-SHG在半最大 (fwhm) 时实现了 147 ± 13 nm 的横向全宽度和 493 ± 47 nm 的轴向fwhm.
  • 该技术成功量化了多种生物组织类型中的原纤维对齐.
  • 证明了在各种组织中识别特定的原特性的可行性.

结论:

  • MSIM-SHG成功地突破了SHG成像的衍射极限,使得超分辨率成为可能.
  • 该方法提供生物结构的高分辨率成像,并有效用于原蛋白分析.
  • 作为先进的临床诊断和基本生物学研究的工具,MSIM-SHG具有显著的潜力.