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Gentaur's Products: Simple, Fast, and Background-free IHC staining of Human and Animal Tissues


Peptide Based Technology

N O _M O R E _Fc Receptor Staining
N O _M O R E  background

Gentaur Fc Receptor Blocker does notcontain any antibodies, immunoglobulins or immunoglobulin fragments 

Now also available in azide-free for live cell/functional assays
Azide-Free Fc Blocker can be used on live cells and for functional assays without cytotoxicity
Ordering info, scroll down

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Negative control lymph node paraffin section with Fc receptor staining
Same section treated with Gentaur Fc receptor block

Negative control mouse tissue with 
Fc receptor staining
Same section treated with Gentaur Fc receptor block

Gentaur Fc Receptor Block is a peerless technology designed to block Fc Receptors present on all leukocytes (white blood cells), lymphomas, and melanomas. Fc receptors are also expressed on a majority of tumors. Blocking Fc receptors is essential for accurate typing of lymphoid and tumor tissues and cells. Fc receptor staining occurs by the binding of Fc receptors present on cell to the Fc region of the primary and/or secondary antibody. Fc Receptor Block can be used for IHC (frozen and paraffin) flow cytometry, immunoflorescence and in-situ hybridization and for live cell functional assays.

Fc Receptor Blocker is a must for accurate lymphoma and leukemia typing.

• 30 minute incubation step at room temperature
• Blocks Fc Receptors in both human and animal cells
• Eliminates false positive staining of white blood cells, lymphoid tissues, cytosmears (blood & bone marrow)
• Insures accurate lymphoma and leukemia typing
• Eliminates negative control staining of lymphomas, lymphoid tissues, and blood and bone marrow smears
• Eliminates false positive staining for Kappa and Lambda staining
• Eliminates false positive staining of Reed Sternberg cells
• A must for CD markers staining in immunohistochemistry, immunofluorescence
• A must for CD phenotyping via flow cytometry
• A must for Immunoglobulins (Igs) staining via immunohistochemistry, flow cytometry and immunofluorescence
• A must for kappa and lambda staining



Item# Size # of Slides Shelf life
60 ml
3 yrs
15 ml
150 - 250
3 yrs
30 ml
350 - 600
3 yrs
Azide - Free
30 ml
Azide - Free 
350 - 600 Slides
1 yr