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相关概念视频

Overview Of Cell Separation And Isolation01:20

Overview Of Cell Separation And Isolation

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Cell separation was first achieved in 1964 by S. H. Seal, who separated large tumor cells from the smaller blood cells using filtration. Two years later, Pohl and Hawk performed experiments on how cells respond differently to a nonuniform electric field based on the cell type. Such observations were the inception of cell separation methods, which allow isolating a single cell type from a heterogeneous sample.
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Label-free Isolation and Enrichment of Cells Through Contactless Dielectrophoresis
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集成DEP预排序和无线电极阵列用于高通量选择性单细胞隔离.

Thilini N Rathnaweera1, Dhatchayani Rajkumar1, Robbyn K Anand1

  • 1Department of Chemistry, Iowa State University, Ames, Iowa 50011, USA. rkanand@iastate.edu.

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此摘要是机器生成的。

一个新的平台,SC-DEPOT,可以有效地隔离和分析罕见细胞. 这项技术提高了样本的纯度和吞吐量,为临床应用推进了单细胞分析.

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科学领域:

  • 生物技术是生物技术.
  • 细胞生物学 细胞生物学
  • 微流体学 微流体学

背景情况:

  • 罕见细胞异质性影响疾病诊断和治疗.
  • 目前的单细胞分析方法在选择性,纯度,效率和吞吐量方面面临挑战.
  • 从复杂的混合物中分离单个细胞仍然是一个重大障碍.

研究的目的:

  • 引入一个统一的平台,SC-DEPOT,用于全面的单细胞分析.
  • 克服当前罕见细胞隔离技术的局限性.
  • 为了提高单细胞隔离和分析的吞吐量和效率.

主要方法:

  • 该SC-DEPOT平台集成了基于水力动力学和介电泳 (DEP) 的模块.
  • 一个水力动力学模块聚焦细胞,然后是基于DEP的选择性重定向.
  • 基于绝缘体的DEP (iDEP) 将细胞捕获到微囊中进行单独分析.

主要成果:

  • 该平台实现了96%的样品纯度和道宽度的八倍增加.
  • 混合或单细胞类型的体积计吞吐量增加了8到16倍.
  • 单细胞隔离效率为94%,将92%的传输效率转移到室内.

结论:

  • SC-DEPOT提供了一种高通量,温和的方法,用于罕见细胞的隔离和分析.
  • 该平台的效率和吞吐量扩大了其在临床工作流程中的实用性.
  • 这项技术可以从复杂的生物样本中进行先进的单细胞分析.