EasySep™ Human B Cell Enrichment Kit

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Immunomagnetic Negative Selection Kit

  • EasySep™ Box
  • Box top label for Human B Cell Enrichment Kit For labeling 10e9 cells
EasySep™ Box
The EasySep™ Human B Cell Enrichment Kit is designed to isolate B cells from fresh or previously frozen peripheral blood mononuclear cells by negative selection. Unwanted cells are targeted for removal with Tetrameric Antibody Complexes recognizing CD2, CD3, CD14, CD16, CD36, CD43, CD56, CD66b, glycophorin A and dextran-coated magnetic particles. The labeled cells are separated using an EasySep™ magnet without the use of columns. Desired cells are poured off into a new tube.
 
See below, "Equipment Required", for compatible magnets platforms.
Product Name Description Catalog # Size Price Quantity
EasySep™ Human B Cell Enrichment Kit Immunomagnetic isolation of untouched human B cells 19054 For labeling up to 1 x 10e9 cells 685.00 USD      
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RoboSep™ Human B Cell Enrichment Kit with Filter Tips EasySep™ kit with RoboSep™ buffer and RoboSep™ filter tips 19054RF For labeling up to 1 x 10e9 cells 721.00 USD      
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Product Type: Cell isolation products
Recommended For:
The isolation of human B cells from fresh or previously frozen peripheral blood mononuclear cells by negative selection
Components:
• EasySep™ Human B Cell Enrichment Cocktail, 1.0 mL
• EasySep™ Magnetic Particles, 2 x 1.0 mL
Equipment Required:
Area of Interest: HIV, Immunology
Cell Isolation Product Type: Reagents
Cell Source: Leukapheresis, PBMC
Cell Type: B cells
Popular Product Line: EasySep™, RoboSep™
Selection Method: Negative
Species: Human
Intended Use Statement: FOR RESEARCH USE ONLY. NOT INTENDED FOR HUMAN OR ANIMAL DIAGNOSTIC OR THERAPEUTIC USES.
ISO Statement: STEMCELL TECHNOLOGIES INC.’S QUALITY MANAGEMENT SYSTEM IS CERTIFIED TO ISO 13485 MEDICAL DEVICE STANDARDS.

Procedures and instruction manuals:

Educational resources:

MSDS:

FAQS:


  • HOW EASYSEP™ WORKS

    • Q. CAN EASYSEP™ BE USED FOR EITHER POSITIVE OR NEGATIVE SELECTION?
      A. Yes. The EasySep™ kits use either a negative selection approach by targeting and removing unwanted cells or a positive selection approach targeting desired cells. Depletion kits are also available for the removal of cells with a specific undesired marker (e.g. GlyA).
    • Q. HOW DOES THE SEPARATION WORK?
      A. Magnetic particles are crosslinked to cells using Tetrameric Antibody Complexes (TAC). When placed in the EasySep™ Magnet, labeled cells migrate to the wall of the tube. The unlabeled cells are then poured off into a separate fraction.
    • Q. WHICH COLUMNS DO I USE?
      A. The EasySep™ procedure is column-free. That's right - no columns!
    • Q. HOW CAN I ANALYZE THE PURITY OF MY ENRICHED SAMPLE?
      A. The Product Information Sheet provided with each EasySep™ kit contains detailed staining information.
    • Q. CAN EASYSEP™ SEPARATIONS BE AUTOMATED?
      A. Yes. RoboSep™, the fully automated cell separator, automates all EasySep™ labeling and cell separation steps.
    • Q. CAN EASYSEP™ BE USED TO ISOLATE RARE CELLS?
      A. Yes. We recommend a cell concentration of 2x108 cells/mL and a minimum working volume of 100 µL. Samples containing 2x107 cells or fewer should be suspended in 100 µL of buffer.

    EASYSEP™ MAGNETIC PARTICLES

    • Q. ARE THE EASYSEP™ MAGNETIC PARTICLES FACS-COMPATIBLE?
      A. Yes, the EasySep™ particles are flow cytometry-compatible, as they are very uniform in size and about 5000X smaller than other commercially available magnetic beads used with column-free systems.
    • Q. CAN THE EASYSEP™ MAGNETIC PARTICLES BE REMOVED AFTER ENRICHMENT?
      A. No, but due to the small size of these particles, they will not interfere with downstream applications.
    • Q. HOW DOES THE BINDING OF THE EASYSEP™ MAGNETIC PARTICLE AFFECT THE CELLS? IS THE FUNCTION OF POSITIVELY SELECTED CELLS ALTERED BY THE BOUND PARTICLES?
      A. Hundreds of publications have used cells selected with EasySep™ positive selection kits for functional studies. Our in-house experiments also confirm that selected cells are not functionally altered by the EasySep™ magnetic particles.

      If particle binding is a key concern, we offer two options for negative selection. The EasySep™ negative selection kits can isolate untouched cells with comparable purities, while RosetteSep™ can isolate untouched cells directly from whole blood without using particles or magnets.

    MODIFYING THE EASYSEP™ PROTOCOL

    • Q. CAN I ALTER THE SEPARATION TIME IN THE MAGNET?
      A. Yes; however, this may impact the kit's performance. The provided EasySep™ protocols have already been optimized to balance purity, recovery and time spent on the isolation.
    • Q. FOR POSITIVE SELECTION, CAN I PERFORM MORE THAN 3 SEPARATIONS TO INCREASE PURITY?
      A. Yes, the purity of targeted cells will increase with additional rounds of separations; however, cell recovery will decrease.

Product Name

Description

Catalog #

Lymphoprep™ Density Gradient Medium for the Isolation of Mononuclear Cells 07801
EasySep™ Magnet Immunomagnetic Column-Free Magnet 18000
"The Big Easy" EasySep™ Magnet Immunomagnetic Column-Free Magnet 18001
RoboSep™-S RoboSep™-S - The Fully Automated Cell Separator 21000
Anti-Human CD19 Antibody, Clone HIB19 Mouse Monoclonal Antibody Against Human, Chimpanzee CD19 60005
Anti-Human CD20 Antibody, Clone 2H7 Mouse Monoclonal Antibody Against Human, Rhesus, Cynomolgus CD20 60008
Anti-Human CD32 Antibody, Clone IV.3 Mouse Monoclonal Antibody Against Human CD32 60012
Anti-Human CD45 Antibody, Clone HI30 Mouse Monoclonal Antibody Against Human, Chimpanzee CD45 60018
Anti-Dextran Antibody, Clone DX1 Mouse Monoclonal Antibody Against Dextran 60026

FACS Histogram Results With EasySep™ Human B Cell Enrichment Kit


FACS Histogram Results With EasySep™ Human B Cell Enrichment Kit
Starting with frozen mononuclear cells, the CD19+ cell content of the enriched fraction typically ranges from 95% - 99%.


Typical EasySep™ Procedure for Human Cells


Typical EasySep™ Procedure for Human Cells



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