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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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Related Experiment Video

Updated: Mar 7, 2026

A Method of Targeted Cell Isolation via Glass Surface Functionalization
10:40

A Method of Targeted Cell Isolation via Glass Surface Functionalization

Published on: September 20, 2016

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Image-based single-cell isolation in high-density seeded cells using photoactivatable surfaces.

Shinya Yamahira1, Yuki Umeda1, Teruyuki Nagamune2

  • 1SANKEN, The University of Osaka, 8-1 Mihogaoka, Ibaraki-shi, Osaka 567-0047, Japan. syamahira@sanken.osaka-u.ac.jp.

Biomaterials Science
|March 6, 2026
PubMed
Summary
This summary is machine-generated.

Researchers created a new method for isolating rare cells using light-activated surfaces. This technique precisely anchors and isolates single cells from dense populations, aiding in diagnostics and personalized medicine.

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A Microfluidic Platform for High-throughput Single-cell Isolation and Culture
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Area of Science:

  • Biotechnology
  • Cell Biology
  • Medical Diagnostics

Background:

  • Isolating rare cells, such as circulating tumor cells, from complex biological samples is challenging due to their low frequency and the presence of numerous background cells.
  • Existing cell isolation methods often lack the precision and throughput required for efficient detection and analysis of rare cell populations.

Purpose of the Study:

  • To develop and validate an image-based cell isolation method using a photoactivatable cell anchoring surface.
  • To enable precise and high-throughput isolation of single cells, particularly rare cells, from large and densely populated samples.

Main Methods:

  • Development of a photoactivatable cell anchoring surface that allows localized light-induced cell adhesion.
  • Microscopic imaging of cell populations on the substrate to identify target cells.
  • Selective and rapid anchoring of identified single cells via localized light irradiation for isolation.

Main Results:

  • The method achieved precise isolation of single cells, even from densely seeded cell populations.
  • Demonstrated high-throughput microscopic screening capability for detecting and isolating rare cells.
  • Successfully isolated circulating tumor cells from the blood sample of a tumor-bearing mouse as a proof of concept.

Conclusions:

  • The developed photoactivatable cell anchoring method provides a robust platform for rare cell isolation from large and dense cell populations.
  • This technique supports more precise applications in cell analysis, diagnostics, and personalized medicine.
  • Offers a practical solution for detecting and isolating extremely rare cells with high efficiency and accuracy.