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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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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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Single Molecule Fluorescence Microscopy on Planar Supported Bilayers
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像素智能可编程性使高速显微镜的动态高SNR摄像机能够实现高速显微镜.

Jie Zhang1,2, Jonathan Newman1,2, Zeguan Wang2,3

  • 1Picower Institute for Learning and Memory, MIT, Cambridge, MA, USA.

bioRxiv : the preprint server for biology
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概括

这项研究引入了一种用于高速光显微镜的新型图像传感器. 它增强了信号与噪声的比率,使微弱的生物信号和神经元活动能够更清晰地检测出来.

科学领域:

  • 生物光子学和先进的成像技术.
  • 神经科学和细胞成像.

背景情况:

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  • 高速广场光显微镜为生物过程提供高时空分辨率.
  • 传统摄像机在高率下显示低信号噪声比,阻碍对微弱信号的检测.
  • 检测弱神经元信号需要提高成像灵敏度.

    • 结论:

    • 开发的图像传感器克服了传统相机在高速光显微镜中的局限性.
    • 能够更灵敏地检测生物事件,特别是在神经科学研究中.
    • 提供了一种多功能工具,用于改善各种应用中的图像质量.