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IBA-lifesciences/CD4 Fab Streptamer® Isolation Kit MB, human/for isolation out of 1x10^9 cells with magnetic microbeads (MB);to be used with a permanent magnet/6-8000-206188bio精品生物—专注于实验室精品爆款的电商平台 - 蚂蚁淘旗下精选188款生物医学科研用品
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IBA-lifesciences/CD4 Fab Streptamer® Isolation Kit MB, human/for isolation out of 1x10^9 cells with magnetic microbeads (MB);to be used with a permanent magnet/6-8000-206

For isolation of CD4+ T cells from peripheral blood mononuclear cells. The kit includes all Fab Streptamer® components for positive cell isolation with magnetic microbeads*and for removal of Streptamers from isolated cells.

1.) Strep-Tactin® Magnetic Microbeads for Fab Streptamers; 2 vials for 5x10^8 cells each

2.) CD4 Fab-Strep, human for isolation of T-cells; 1 vial for 1x10^9 cells

3.) D-Biotin stock solution for Streptamer® technology; 2x 1 ml

4.) Buffer IS, Streptamer® Washing Buffer, 10x concentrated; 50 ml

This product requires dry ice shipment and is shipped directly from our Headquarters in Germany.

*Microbeads are intended for use with a permanent magnet for manual cell isolation; we recommend our StrepMan magnet for 2 x 15 ml and 2 x 50 ml Falcon tubes.

Principle of Selection:

Isolation of human CD4+ T cells is performed by positive selection. PBMCs are labeled with magnetic CD4 Fab Streptamers. Labeled cells are isolated in a strong magnet (StrepMan, horizontal position) where they migrate toward the tube wall on the side of the magnet. This CD4 positive cell fraction is collected and cells are liberated from all labeling reagents by addition of biotin in a strong magnet (StrepMan, upright position).The magnetic Streptamers migrate toward the tube wall and the label-free cells remain in the supernatant. Biotin is removed by washing.

The resulting cell preparation is highly enriched with CD4+T cells with a purity of more than 90%. No depletion steps and no columns are needed.

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