$ 422.69
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Aurion has developed BSA-c , a unique incubation buffer additive with an unparalleled ability to effectively prevent charge based background. BSA-c is prepared by acetylation of bovine serum albumin (BSA). Polycationic sites in the specimen interact readily with negatively charged acetylated BSA molecules. This significantly reduces the risk that such sites might bind negatively-charged immunoreagents and immunogold conjugates and thus reduces the risk of background. Concentrated solution that contains acetylated bovine serum albumin as the functional constituent. By acetylation of amines on basic amino acids these groups are no longer as easily protonated and the isoelectric point of such molecules is lowered and hydrophobicity is increased. 10% solution of acetylated BSA at slightly alkaline pH with Kathon CG as preservative. The charge dependent background inhibition capacity of the BSA-c™ in each lot is determined using a dot-spot test system with polycationic compounds.