Magnetic Enrichment
Magnetic Enrichment - Related Videos
03:57
T-Cell Enrichment: A Technique to Isolate T-Cells from Mixed Cell Population by Magnetic Separation
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2023
This video describes T-cells enrichment from the spleen of a mouse by negative selection using a magnetic separator. The technique involves targeting the other cells in the sample for depletion using antibodies or ligands directed against specific cell surface antigens.
09:28
Enrich and Expand Rare Antigen-specific T Cells with Magnetic Nanoparticles
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Cited by 5 •
2018
Antigen-specific T cells are difficult to characterize or utilize in therapies due to their extremely low frequency. Herein, we provide a protocol to develop a magnetic particle which can bind to antigen-specific T cells to enrich these cells and then to expand them several hundred-fold for both characterization and therapy.
01:34
Environmental Enrichment for Rodents
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2026
All animal procedures described here must be conducted in accordance with institutional animal ethics guidelines and approved by IACUC. All procedures must follow the principles of the 3Rs—Replacement, Reduction, and Refinement—and must be performed by trained personnel. Environmental enrichment involves objects and practices that encourage natural behaviors, improve psychological well-being, and promote better welfare in laboratory rodents. Environmental enrichment should be tailored to the...
01:27
Environmental Enrichment in Rabbits and Pigs
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2026
All animal procedures described here must be conducted in accordance with institutional animal ethics guidelines and approved by IACUC. All procedures must follow the principles of the 3Rs—Replacement, Reduction, and Refinement—and must be performed by trained personnel. Importance of Environmental Enrichment Environmental enrichment is a fundamental component of laboratory animal care and welfare. It provides animals with opportunities to express species-specific behaviors, reduces stress, and...
13:58
Peptide:MHC Tetramer-based Enrichment of Epitope-specific T cells
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Cited by 28 •
2012
This protocol describes the use of peptide:MHC tetramers and magnetic microbeads to isolate low frequency populations of epitope-specific T cells and analyze them by flow cytometry. This method enables the direct study of endogenous T cell populations of interest from in vivo experimental systems.
FAQs
Affinity labels provide the selectivity needed to distinguish targets from unrelated material in a mixed sample. Antibodies or other affinity molecules attach magnetic particles to the desired cells, particles, or biomolecules. Because retention depends on this labeling step, the choice of affinity molecule determines which population becomes enriched and supports more focused downstream biological analysis.
The magnetic field retains components associated with magnetic particles, while material without those labels is removed from the sample flow. This contrast separates the target population from surrounding material without requiring the target to be individually identified or handled. The resulting fraction contains a higher concentration of the selected component for subsequent study.
Relatively gentle handling helps produce enriched populations while supporting the use of sensitive biological material in later experiments. This is especially relevant when researchers need to preserve a selected cell population for downstream analysis rather than simply discard or destroy it during separation. The approach therefore contributes to more consistent preparation of samples for biological research.
The approach can be directed toward specific cells, particles, or biomolecules, provided they can be labeled through antibodies or other affinity molecules. This flexibility allows the same separation principle to support different biological sample types rather than limiting it to one class of target. Researchers can therefore adapt enrichment to the component required for a particular investigation.
A typical workflow begins by labeling the desired target with magnetic particles through an antibody or another affinity molecule. The prepared sample then passes through a magnetic field, which retains the labeled material. Unlabeled components are removed, leaving an enriched target fraction that can be used for downstream analysis or further biological investigation.
Researchers use Magnetic Enrichment for cell isolation, sample preparation, and downstream analysis across immunology, cancer research, microbiology, and molecular biology. It is particularly useful when a study requires a rare cell type or another selected component to be concentrated from a mixed sample. Enrichment can improve the consistency of the material entering later experiments.