BD, 553922, Purified Rat IgG1, κ Isotype Control R3-34

Following immunization of a rat with mouse immunoglobulin (Ig), the Ig from the R3-34 hybridoma was identified as a non-reactive clone. The R3-34 immunoglobulin was selected as an Ig isotype control following screening for low background staining on a variety of mouse and human cells and tissues.
This antibody is useful as a standard in ELISA and as an isotype-matched negative control for immunofluorescent staining with flow cytometric analysis. An isotype control should be used at the same concentration as the antibody of interest. For immunohistochemical staining we recommend the use of purified R3-34 mAb in our special formulation for immunohistochemistry (Cat. No. 559072). Caution: Sodium azide is a reversible inhibitor of oxidative metabolism; therefore, antibody preparations containing this preservative agent must not be used in cell cultures nor injected into animals. Sodium azide may be removed by washing stained cells or plate-bound antibody or dialyzing soluble antibody in sodium azide-free buffer. Since endotoxin may also afffect the results of functional studies, we recommend the NA/LE™ (No Azide/Low Endotoxin) antibody format (553921, 554682) of the R3-34 clone for in vitro and in vivo use.
The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography. Store undiluted at 4°C.
1. Since applications vary, each investigator should titrate the reagent to obtain optimal results.
2. Please refer to www.bdbiosciences.com/us/s/resources for technical protocols.
3. Caution: Sodium azide yields highly toxic hydrazoic acid under acidic conditions. Dilute azide compounds in running water before discarding to avoid accumulation of potentially explosive deposits in plumbing.