Albumin conjugates chemical preparation

In this method the keyhole limpet haemoglobin conjugate was prepared as follows Keyhole limpet haemocyanin (KLH, Calbiochem, La Jolia, CA) and bovine serum albumin (BSA, BDH Chemicals) were coupled to the adduct (2), derived from 6-bromohexanoic acid and monoquat (3), via a carbodiimide reaction, as reported previously by Niewola et al. [184], The resulting conjugates contained 662mol of Paraquat per mole of KLH and 15mol of Paraquat per mole of 6-bromohexanoic acid. The amount of Paraquat bound to the protein was determined by spectrophotometric dithionite assay for Paraquat and the protein concentration was established by a standard Lowry test. 

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