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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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相关实验视频

Updated: Jul 18, 2025

Sample Preparation for Mass Cytometry Analysis
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为单细胞分析提供二维多参数细胞计平台.

Chengxin Wu1, Xue Men2, Meijun Liu1

  • 1Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Shenyang 110819, China.

Analytical chemistry
|August 23, 2023
PubMed
概括
此摘要是机器生成的。

一个新的2D流细胞计平台,CytoLM Plus,通过将光学检测与感应合血质谱 (ICP-MS) 结合起来,实现多参数单细胞分析. 这种集成系统可实现高精度的详细细胞分析.

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科学领域:

  • 分析化学 分析化学
  • 生物技术是生物技术.
  • 一个单细胞分析.

背景情况:

  • 传统的流细胞计提供了有限的多参数分析.
  • 将光学检测与质谱学相结合,会带来一些技术上的挑战.

研究的目的:

  • 开发和评估一个2D流细胞计平台 (CytoLM Plus) 用于先进的单细胞分析.
  • 将光和侧向散射检测与ICP-MS结合起来,以进行全面的细胞表征.

主要方法:

  • 在微流体单元中的水力动力调整,用于单颗粒/单细胞检测.
  • 第一个维度:双通道光学检测 (光,侧向散射).
  • 第二维:通过高效的雾化器检测ICP-MS.

主要成果:

  • 赛托LM Plus在光学检测光微球方面表现出很高的性能 (99.7%的有效信号).
  • 实现了与商业流量细胞计相比的信号偏差 (面积为6.6%,高度为6.2%).
  • 从MCF-7细胞使用滞后时间窗口算法成功统一并发的2D信号 (光,侧向散射,ICP-MS).

结论:

  • 赛托LM Plus平台为2D多参数单细胞分析提供了强大的方法.
  • 开发的信号统一程序能够从集成检测方法中准确地阐明数据.
  • 这项技术提升了详细细胞分析和生物标志物发现的能力.