Thermo Scientific Imject BSA in PBS is purified bovine serum albumin carrier protein that enable simple preparation of effective immunogens with amine- or carboxyl-peptide antigens.

• High-yield conjugation—each molecule of 59 lysine residues, 30 to 35 of which have primary amines that are capable of reacting with a conjugation reagent
• Validated quality—purified BSA (Fraction V) is available lyophilized and stabilized in PBS or MES buffer, ready for use in glutaraldehyde, NHS-ester or EDC crosslinking methods
• Compatible solubility—numerous carboxyl groups account for the net negative charge (pI 5.1) of BSA and its high solubility, allowing its use in a broad range of conjugation conditions
• Immunogenic—at 67 kDa, BSA is sufficiently large to function as the primary immunogen or it can be used as an irrelevant protein carrier for antibody screening and immunoassays after using KLH as the carrier protein to generate the immune response against the hapten

BSA is a popular immunogenic carrier protein used for preparation of peptide antigens for immunization and antibody production. BSA preparations in phosphate buffer are ready for hapten-carrier conjugation via amine-reactive NHS-ester or glutaraldehyde crosslinking.