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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

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High Throughput Fluorometric Technique for Assessment of Macrophage Phagocytosis and Actin Polymerization
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使用流式细胞计量法哥细胞化的量化.

Therese de Neergaard1, Pontus Nordenfelt2

  • 1Department of Clinical Sciences Lund, Faculty of Medicine, Division of Infection Medicine, Lund University, Lund, Sweden.

Methods in molecular biology (Clifton, N.J.)
|May 31, 2023
PubMed
概括

准确量化细胞分裂对研究至关重要. 这项研究提出了一种使用剂量反应原理的强大的流细胞计方法,以提高细胞测试中的灵敏度和可重复性.

关键词:
细菌 细菌是一种细菌.流动细胞计量流动细胞计量这就是Opsonization.发细胞症 (phagocytosis) 是一种致死细胞的发生.这是一种Streptococcus pyogenes.

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科学领域:

  • 免疫学 免疫学 免疫学
  • 细胞生物学 细胞生物学
  • 生物技术是生物技术.

背景情况:

  • 细胞化是一个关键的细胞过程,具有广泛的研究应用.
  • 由于实验设计和分析的复杂性,准确量化细胞分裂通常具有挑战性.
  • 标准方法可能会忽略诸如反应体积,时间和度比等关键因素.

研究的目的:

  • 开发一种强大的,高吞吐量和用户友好的方法,使用流细胞计量量化细胞症.
  • 通过优化实验设计和分析,提高细胞化试验的灵敏度和可重复性.
  • 为了在不同的实验中提供一种标准化的方法来进行可比的细胞化测量.

主要方法:

  • 猎物颗粒的光双色染色,然后是可选的opsonization.
  • 化标记的猎物与细胞在一系列的比例.
  • 流细胞计获取用于人口和单细胞分析,区分粘附与内化.
  • 在实验设计和数据分析中应用剂量反应曲线原则.

主要成果:

  • 开发的流细胞计方法提供了高灵敏度和稳定性,用于细胞酶量化.
  • 该方法允许在细胞粘附和内化之间进行区分.
  • 证明了成功的应用,使用Streptococcus pyogenes和THP-1细胞的示例协议.

结论:

  • 在实验设计和分析中实施剂量反应原理显著改善了细胞化量化.
  • 这种基于流细胞计的方法提供了一种可复制和灵敏的方法来测量细胞.
  • 该方法可适应各种细胞化试验,提高了结果的可比性和可靠性.