Related Experiment Videos
A rapid and highly selective approach to cell separations using an immunomagnetic colloid
1Imperial Cancer Research Fund, Frenchay Healthcare Trust, Bristol, UK.
Journal of Immunological Methods
|August 26, 1993
Summary
Immunomagnetic colloids offer superior cell isolation compared to larger microspheres. This method rapidly purifies B cells and T cells with high viability and minimal non-specific binding.
Area of Science:
- Biotechnology
- Immunology
- Cell Biology
Background:
- Traditional magnetic microspheres for cell separation have limitations.
- The properties of immunomagnetic colloids offer potential advantages for cell binding and isolation.
Purpose of the Study:
- To evaluate the efficacy of immunomagnetic colloids for isolating specific cell populations.
- To compare the performance of immunocolloids with larger magnetic microspheres.
Main Methods:
- Incubation of cell mixtures with monoclonal antibodies (MoAbs) and a goat anti-mouse Ig ferrofluid.
- Isolation of B cells and T cells using a high gradient magnetic separator.
- Assessment of cell purity, non-specific binding, and cell viability.
Main Results:
- High purity isolation of B cells and T cells was achieved using immunomagnetic colloids.
- Low non-specific binding was observed across different cell mixtures and bone marrow samples.
- Cell separations were completed in under 30 minutes with high cell viability maintained.
Conclusions:
- Immunomagnetic colloids provide an efficient and rapid method for high-purity cell isolation.
- The small size of immunocolloids minimizes interference with downstream cellular assays.
- Immunomagnetic colloids present distinct advantages over larger magnetic microspheres for cell separation applications.