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High gradient magnetic cell separation with MACS

High gradient magnetic cell separation with MACS A flexible, fast and simple magnetic cell sorting system for separation of large numbers of cells according to specific cell surface markers was developed and tested. Cells stained sequentially with biotinylated antibodies, fluorochrome‐conjugated avidin, and superparamagnetic biotinylated‐microparticles (about 100 nm diameter) are separated on high gradient magnetic (HGM) columns. Unlabelled cells pass through the column, while labelled cells are retained. The retained cells can be easily eluted. More than 109 cells can be processed in about 15 min. Enrichment rates of more than 100‐fold and depletion rates of several 1,000‐fold can be achieved. The simultaneous tagging of cells with fluorochromes and very small, invisible magnetic beads makes this system an ideal complement to flow cytometry. Light scatter and fluorescent parameters of the cells are not changed by the bound particles. Magnetically separated cells can be analysed by fluorescence microscopy or flow cytometry or sorted by fluorescence‐activated cell sorting without further treatment. Magnetic tagging and separation does not affect cell viability and proliferation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Cytometry Part A Wiley

High gradient magnetic cell separation with MACS

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References (11)

Publisher
Wiley
Copyright
Copyright © 1990 Wiley Subscription Services, Inc., A Wiley Company
ISSN
1552-4922
eISSN
1552-4930
DOI
10.1002/cyto.990110203
pmid
1690625
Publisher site
See Article on Publisher Site

Abstract

A flexible, fast and simple magnetic cell sorting system for separation of large numbers of cells according to specific cell surface markers was developed and tested. Cells stained sequentially with biotinylated antibodies, fluorochrome‐conjugated avidin, and superparamagnetic biotinylated‐microparticles (about 100 nm diameter) are separated on high gradient magnetic (HGM) columns. Unlabelled cells pass through the column, while labelled cells are retained. The retained cells can be easily eluted. More than 109 cells can be processed in about 15 min. Enrichment rates of more than 100‐fold and depletion rates of several 1,000‐fold can be achieved. The simultaneous tagging of cells with fluorochromes and very small, invisible magnetic beads makes this system an ideal complement to flow cytometry. Light scatter and fluorescent parameters of the cells are not changed by the bound particles. Magnetically separated cells can be analysed by fluorescence microscopy or flow cytometry or sorted by fluorescence‐activated cell sorting without further treatment. Magnetic tagging and separation does not affect cell viability and proliferation.

Journal

Cytometry Part AWiley

Published: Jan 1, 1990

Keywords: ; ;

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