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Overview Of Cell Separation And Isolation

Overview Of Cell Separation And Isolation

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: Sep 19, 2025

A Microfluidic Platform for High-throughput Single-cell Isolation and Culture

A Microfluidic Platform for High-throughput Single-cell Isolation and Culture

Published on: June 16, 2016

"Cell-On-Demand" Digital Microfluidics for Real-Time Low-Abundance Single-Cell Isolation and Sample Analysis.

Chenxuan Hu^1,2, Chunyu Chang¹, Maolin Zhang¹

¹Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, 215011, P. R. China.

Small (Weinheim an Der Bergstrasse, Germany)

|June 4, 2025

Summary

This summary is machine-generated.

A new "cell-on-demand" microfluidics platform enables precise isolation of rare cells for biological analysis. This technology significantly improves the efficiency of detecting and manipulating low-abundance cells compared to traditional methods.

Keywords:

digital microfluidics low‐abundance cells single‐cell isolation single‐spheroid

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Last Updated: Sep 19, 2025

A Microfluidic Platform for High-throughput Single-cell Isolation and Culture

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Area of Science:

Biotechnology
Microfluidics
Cell Biology

Background:

Studying low-abundance cells is crucial for understanding unique biological functions.
Current single-cell isolation methods lack individual control, limiting further bio-analysis.
Efficient single-cell isolation technology is needed to enhance detection sensitivity.

Purpose of the Study:

To develop a "cell-on-demand" microfluidics platform for real-time manipulation of low-abundance single cells.
To improve the efficiency and precision of isolating rare cells from heterogeneous populations.
To validate the platform's utility in biological and drug sensitivity analyses.

Main Methods:

Development of a large-scale digital microfluidics platform with "cell-on-demand" capabilities.
Implementation of on-demand droplet splitting for targeted-search-guided cell isolation.
Application of the platform to isolate single tumor spheroids from heterogeneous samples for drug sensitivity testing.

Main Results:

The "cell-on-demand" method demonstrated nearly eightfold greater effectiveness in isolating 1% low-abundance single cells compared to conventional strategies.
Homogeneous single-target tumor spheroids were successfully isolated from heterogeneous samples.
Drug sensitivity testing (IC50) for Fluorouracil, Irinotecan, and Oxaliplatin showed significant differences and high consistency with well-plate assays.

Conclusions:

The "cell-on-demand" microfluidics platform offers efficient and precise isolation of low-abundance single cells.
The platform is capable of processing both high and low-abundance samples, indicating broad applicability.
This technology shows significant potential for various applications in cell biology and personalized medicine.