Comparison of Immunoadsorbents Prepared by Coupling Sperm-whale Myoglobin to a Variety of Insoluble Polymers
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Immunoadsorbents that were potentially suitable for the fractionation of antibodies to myoglobin were prepared by coupling myoglobin to aminoethylcellulose, bromoacetylcellulose, CM-cellulose, an ethylene-maleic anhydride co-polymer and Sepharose 4B. A comparison of the properties of the preparations indicated that Sepharose-myoglobin was superior, as an immunoadsorbent, to the other conjugates. Elution of adsorbed antibodies with m-propionic acid, pH2.5, gave yields of precipitable antibody higher than those achieved with other dissociating solvents. Propionic acid eluted 60-100% of the antibody adsorbed by Sepharose-myoglobin, and 60-90% of the eluted protein was precipitable antibody.
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PMID: 28305239 DOI: 10.1007/BF00848387.
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PMID: 4138810 PMC: 1166146. DOI: 10.1042/bj1370469.