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相关概念视频

Flow Cytometry01:23

Flow Cytometry

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The development of flow cytometry techniques began in 1934 with initial attempts by Andrew Moldavan, a bacteriologist who counted the cells in a flowing capillary system. Moldavan pumped cells through a capillary tube focused under a microscope for visualization. The invention of photometry allowed the measurement of differentially-stained cells, and Louis Kamentsky developed the first multiparameter flow cytometer in 1965 to identify and count the cancer cells in cervical tissue specimens.
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Cortical Actin Flow in T Cells Quantified by Spatio-temporal Image Correlation Spectroscopy of Structured Illumination Microscopy Data
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Cortical Actin Flow in T Cells Quantified by Spatio-temporal Image Correlation Spectroscopy of Structured Illumination Microscopy Data

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使用无标签成像流动细胞计通过运动敏感触发干扰计进行罕见细胞分类.

Eden Dotan1, Dana Yagoda-Aharoni1, Eli Shapira2

  • 1Department of Biomedical Engineering, Faculty of Engineering, Tel Aviv University, 69978, Tel Aviv, Israel. nshaked@tau.ac.il.

Lab on a chip
|October 4, 2025
PubMed
概括

我们开发了一种新的成像流细胞计系统,使用事件和干扰度相机,有效地检测和分类血液中的罕见癌细胞. 这种方法显著减少了液体活检分析的数据量和计算负载.

科学领域:

  • 生物医学工程 生物医学工程
  • 光学显微镜的使用方法
  • 细胞生物学 细胞生物学

背景情况:

  • 无标签成像流细胞计对于罕见细胞分析至关重要.
  • 传统的方法面临着高数据量和计算需求的挑战.
  • 在液体活检中检测和分类循环瘤细胞 (CTC) 需要敏感和高效的技术.

研究的目的:

  • 开发和演示一种混合成像流细胞计系统,用于无标签地检测和分类罕见癌细胞.
  • 为了减少罕见细胞分析中的数据采集和处理负担.
  • 为了使流通瘤细胞的敏感分类和分级能够用于液体活检.

主要方法:

  • 微流体芯片与基于事件的摄像头和干扰度相位显微镜模块的集成.
  • 使用事件摄像头进行高速细胞活动检测并触发更慢,高灵敏度的干扰仪摄像头.
  • 采用深度神经网络来根据原始干扰度数据对罕见细胞进行分类.

主要成果:

  • 在血液样本中有效检测和分类罕见的癌细胞.
  • 使用事件摄像头成功地区分了白细胞和癌细胞.
  • 通过干扰度摄像头实现癌细胞类型 (原发性/转移性) 的分类.
  • 与传统方法相比,大大减少了数据量和计算负载.

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Label-Free Identification of Lymphocyte Subtypes Using Three-Dimensional Quantitative Phase Imaging and Machine Learning
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Label-Free Identification of Lymphocyte Subtypes Using Three-Dimensional Quantitative Phase Imaging and Machine Learning
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Label-Free Identification of Lymphocyte Subtypes Using Three-Dimensional Quantitative Phase Imaging and Machine Learning

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结论:

  • 混合成像流细胞计系统提供高效,快速和敏感的检测和稀有细胞的分级.
  • 这种方法为在液体活检中分析循环瘤细胞提供了强大的工具.
  • 该系统在成像流细胞计中的罕见细胞检测和处理中具有广泛的潜在应用.