Rapid purification of rabbit immunoglobulins using a single-step, negative-selection chromatography.
Protein expression and purification(2023)
摘要
Custom polyclonal antibodies raised in rabbits are routinely used in immunoblotting and other protein analysis techniques. Custom rabbit polyclonal antisera are generally purified using immunoaffinity or Protein A-affinity chromatography; however, these methods require harsh elution conditions that can compromise the antigen binding efficacy. We evaluated the utility of Melon™ Gel chromatography for purification of IgG from crude rabbit serum. We show that Melon Gel-purified rabbit IgGs are active and perform well in immunoblotting. In summary, the Melon Gel method is a rapid, one-step, negative-selection approach that can be employed in either preparative or small-scale format to purify IgG from crude rabbit serum without the need for denaturing eluent.
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关键词
Antibody,Chromatography,Immunoblotting,Immunoglobulins,Melon™ Gel
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