Bulk anti-human CD22 antibody (RFB-4)
ichorbio’s bulk anti-human CD22 antibody (RFB-4) is manufactured in a cGMP compliant, ISO Quality Standard 9001:2015 facility. ichorbio’s low endotoxin antibodies have half the endotoxin of comparable antibodies from our competitors at less than 1.0 EU/mg. If ichorbio’s low endotoxin antibodies are not low enough we also offer ultra low endotoxin antibodies which have even less endotoxin (<0.75EU/mg) at an even higher purity (98% versus 95%). ichorbio: the best antibodies for in vivo research.
CD22 RFB4, BL-CAM, MGC130020, SIGLEC2
ichorbio’s CD22 in vivo antibody is available in the following bulk sizes: 5mg, 25mg, 50mg and 100mg. ichorbio regularly manufactures multi-gram amounts of our anti CD22 clone RFB-4 – please contact us for pricing.
Mouse Anti-Human CD22 recognizes the (Mr 135 kDa) cytoplasmic antigen of all B-lymphocytes. The CD22 antigen is only expressed on the cell surface of mature B-lymphocytes.
This monoclonal antibody was purified using multi-step affinity chromatography methods such as Protein A or G depending on the species and isotype.
The CD22 antigen is expressed on >90% of peripheral blood B-cells. This antigen is not present on T-cells, monocytes or macrophages. CD22 is expressed on most peripheral B-cell lymphomas and leukemias including hairy cell leukemia, but not on the immature bone marrow type of leukemia..
This monoclonal antibody is aseptically packaged and formulated in 0.01 M phosphate buffered saline (PBS) pH 7.2 – 7.4, 150 mM NaCl with no carrier protein, potassium or preservatives added. BSA and azide free
>95% by SDS-PAGE and HPLC
>98% by SDS-PAGE and HPLC
≤ 1.0 EU/mg as determined by the LAL method
≤ 0.75 EU/mg as determined by the LAL method
Aggregation level ≤ 5%
Aggregation level ≤ 1%
This antibody is stable for at least one week when stored sterile at 2-8°C. For long term storage aseptically aliquot in working volumes without diluting and store at –80°C. Avoid Repeated Freeze Thaw Cycles.
Flow Cytometry, IHC (Frozen)
Each investigator should determine their own optimal working dilution for specific applications.
Products are for research use only. Not for use in diagnostic or therapeutic procedures.