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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.

Bone Marrow Sampling and Transplants

Bone Marrow Sampling and Transplants

Bone marrow transplant is a potential cure for several diseases, including cancer and specific genetic disorders. Notably, this procedure is applicable for patients suffering from aplastic anemia, certain types of leukemia, severe combined immunodeficiency disease (SCID), Hodgkin's disease, non-Hodgkin's lymphoma, multiple myeloma, thalassemia, sickle-cell disease, and certain cancers.
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy the...

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Related Experiment Video

Updated: Jun 25, 2026

Isolation, Purification, and Differentiation of Osteoclast Precursors from Rat Bone Marrow

Isolation, Purification, and Differentiation of Osteoclast Precursors from Rat Bone Marrow

Published on: May 19, 2019

[Erythrocyte removal from bone marrow by density gradient separation using the COBE 2991 cell processor with the

S Cappellesso-Fleury¹, C Rage, F Tschaggeny

¹Laboratoire de thérapie cellulaire, établissement français du sang Pyrénées-Méditerranée, 31300 Toulouse, France. sandrine.fleury@efs.sante.fr

Transfusion Clinique Et Biologique : Journal De La Societe Francaise De Transfusion Sanguine

|February 10, 2009

Summary

A new triple-bag system simplifies red blood cell depletion for ABO-incompatible bone marrow transplants. This method enhances safety and efficiency compared to traditional single-bag techniques.

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Last Updated: Jun 25, 2026

Isolation, Purification, and Differentiation of Osteoclast Precursors from Rat Bone Marrow

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Osteoclast Derivation from Mouse Bone Marrow

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Stromal Cell Isolation From Hematopoietic Organs

Stromal Cell Isolation From Hematopoietic Organs

Published on: January 26, 2024

Area of Science:

Hematology
Transplantation immunology
Bioprocessing engineering

Context:

ABO-incompatible bone marrow transplantation necessitates efficient red blood cell depletion.
Conventional methods using simple-bag sets with density gradient centrifugation (Ficoll-hypaque) present challenges with peristaltic pump compatibility and require multiple processing sets.
This limits procedural efficiency and increases contamination risks.

Purpose:

To develop and evaluate a novel triple-bag processing set for a streamlined, safer, and more efficient red blood cell depletion procedure in bone marrow transplantation.

Summary:

A triple-bag processing set was developed integrating concentration, Ficoll-hypaque density gradient centrifugation, and post-gradient cell washing into a single procedure.
The system incorporates peristaltic PVC tubing, reducing the need for multiple connections and minimizing microbial contamination risks.
The triple-bag system achieved 97.9+/-1.1% red blood cell depletion and 89.6+/-8.7% CD34+ cell recovery, comparable to existing methods but with enhanced practicality and safety.

Impact:

The triple-bag system offers a practical and simplified approach to red blood cell depletion for bone marrow transplantation.
It enhances safety by reducing manipulation steps and potential contamination.
This method presents a viable alternative for laboratories, particularly in regions where triple-bag systems are less commonly utilized.