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Purification of alpha-fetoprotein from mouse amniotic fluid by gel-entrapped antibody filtration
A one-step immunospecific affinity chromatographic method for purification of mouse alpha-fetoprotein (AFP) directly from amniotic fluid is described. The procedure employed a rabbit anti-AFP immunoglobulin-G entrapped in a polyacrylamide gel matrix prepared as a gel slurry. The presence of impurities could not be demonstrated in the eluted fraction and the recovery of AFP was approximately 26%. Sufficient quantities of AFP were readily purified for raising antibodies and for purity studies.
A one-step immunospecific affinity chromatographic method for purification of mouse alpha-fetoprotein (AFP) directly from amniotic fluid is described. The procedure employed a rabbit anti-AFP immunoglobulin-G entrapped in a polyacrylamide gel matrix prepared as a gel slurry. The presence of impurities could not be demonstrated in the eluted fraction and the recovery of AFP was approximately 26%. Sufficient quantities of AFP were readily purified for raising antibodies and for purity studies.