Rat IgG2b kappa, Isotype Control is a rat IgG2b κ antibody isotype control. Rat IgG2b kappa, Isotype Control can be used as a negative control to exclude or reduce false positive results caused by nonspecific binding^[1].

Rat IgG2b kappa, Isotype Control (100 μg; i.p.; every three days for 28 days) is used as a negative control in in vivo anti-PD-L1 antibody experiments in BALB/c mice with MDA-MB-231 cells^[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

ELISA, FACS, Functional assay

Unconjugated

The product can be reconstituted/diluted with sterile PBS or saline.

146.54 kDa

Liquid

Colorless to light yellow

Shipping with dry ice.

Please refer to the lot-specific COA for specific buffer information.

Please store the product under the recommended conditions in the Certificate of Analysis.

• [1]. Li J, et al. Pan cancer research reveals the role of PTGDS in tumor suppression and immune regulation. NPJ Precis Oncol. 2025;9(1):319. Published 2025 Sep 30.  [Content Brief]