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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.

Subcellular Fractionation

Subcellular Fractionation

The homogenate obtained after cell lysis contains various membrane-bound organelles that can be further separated into pure fractions by subcellular fractionation. These isolates are used to study specific cellular components, analyze localized protein activity, and are even employed in diagnostics. Fractionation is typically achieved using centrifugation methods, the most common being density-gradient and differential centrifugation.
Differential Centrifugation
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Related Experiment Video

Updated: Apr 17, 2026

A Combinatorial Single-cell Approach to Characterize the Molecular and Immunophenotypic Heterogeneity of Human Stem and Progenitor Populations

A Combinatorial Single-cell Approach to Characterize the Molecular and Immunophenotypic Heterogeneity of Human Stem and Progenitor Populations

Published on: October 25, 2018

Individual cell sorting.

R T Stovel, R G Sweet

The Journal of Histochemistry and Cytochemistry : Official Journal of the Histochemistry Society

|January 1, 1979

Summary

This summary is machine-generated.

This study introduces a novel cell sorting system that preserves individual cell identity. The technology precisely places single cells on slides for microscopy and records flow data, advancing cell analysis capabilities.

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Area of Science:

Biotechnology
Cell Biology
Analytical Chemistry

Background:

Current cell sorters pool cells into subpopulations, losing individual cell identity.
There is a need for cell analysis systems that maintain single-cell integrity for further study.

Purpose of the Study:

To develop and report progress on a cell sorting system capable of individual cell isolation.
To preserve the identity of each cell after sorting for subsequent microscopic observation.
To record flow measurement data for each individually sorted cell.

Main Methods:

Modifications to an existing cell sorting machine were implemented.
Electronic and mechanical adjustments were made to enhance drop placement accuracy.
The system was designed for precise individual cell deposition onto microscope slides.

Main Results:

The modified system achieves precise placement of individual cells on microscope slides.
The system successfully preserves individual cells for light microscopy.
Flow measurement data is recorded for each sorted cell.

Conclusions:

The developed cell sorting system enables precise, individual cell isolation and preservation.
This technology facilitates subsequent microscopic analysis and data recording at the single-cell level.
The advancements offer improved capabilities for cell analysis and research.