Abstract
Thiophilic adsorption chromatography, developed originally by Porath and colleagues (1985, FEBS Lett. 185, 306–310) for conventional chromatographic techniques, was transformed to the HPLC mode upon preparation of new and improved sulfur-containing silica beads. The new thiophilic adsorbent is of high capacity and is suitable for the rapid and single-step purification of all subclasses of monoclonal and polyclonal antibodies. Due to its broad specificity, the thiophilic silica column is an efficient, stable, and inexpensive substitute for protein A and protein G columns used today to purify antibodies.
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