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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: May 7, 2026

Fluorescence detection methods for microfluidic droplet platforms
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Fluorescence detection methods for microfluidic droplet platforms

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使用激光衍射精确描述单个微流体滴的特征.

Shuzo Masui1, Yusuke Kanno1, Takasi Nisisako1

  • 1Laboratory for Future Interdisciplinary Research of Science and Technology, Institute of Integrated Research, Institute of Science Tokyo, Yokohama, Kanagawa 226-8501, Japan.

ACS measurement science au
|October 20, 2025
PubMed
概括
此摘要是机器生成的。

一个新的激光衍射系统准确地描述了个别的微流体滴和粒子. 这种方法克服了传统技术的局限性,为各种科学应用提供了尺寸和折射率的精确测量.

关键词:
滴滴的直径是多少?激光衍射的激光衍射是一种激光.光散射的光散射是一种散射.微流体学 在微流体学方面折射率指数的折射率指数是什么

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Fabrication and Characterization of Thickness Mode Piezoelectric Devices for Atomization and Acoustofluidics
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Fabrication and Characterization of Thickness Mode Piezoelectric Devices for Atomization and Acoustofluidics

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相关实验视频

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科学领域:

  • 微流体学 微流体学
  • 光学特征的描述.
  • 材料科学 材料科学 材料科学

背景情况:

  • 微流体滴和颗粒越来越多地用于各种科学领域.
  • 使用光散射的传统表征方法通常提供平均数据,导致不准确.
  • 需要精确地描述单个微粒和水滴的特征.

研究的目的:

  • 开发一种多功能激光衍射 (LD) 系统,用于表征单个微流体滴和粒子.
  • 为了能够同时估计20-50微米范围内的粒子的直径和折射率.

主要方法:

  • 激光衍射系统与商业倒置显微镜和聚二甲基 (PDMS) 微流体装置相结合.
  • 该系统捕获了从通过微流体通道流动的单个滴滴中散射光的角分布.
  • 实验涉及液态石,水中的油 (O/W) 和油中的水 (W/O) 滴,以及用于验证的聚烯珠.

主要成果:

  • 开发的LD系统准确地估计了微粒和水滴的直径和折射率.
  • 平均直径估计误差低于5%,折射率估计误差低于0.5%.
  • 验证实验证实了该系统在不同样本类型的高精度.

结论:

  • 可适应的激光衍射系统提供了对单个微流体滴和颗粒的精确表征.
  • 这项技术可以与各种微流体平台集成,以增强滴滴和粒子操纵.
  • 该系统在生物学,材料科学和其他研究领域具有广泛的潜在应用.