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[anonymous]

For years, we have used Avid Al/Avid Chrom for purification of IgM antibodies.  The manufacturer has discontinued this product.  We have tried other commercially available products but to no avail.  Anyone have a good recommendation for purifying mouse IgM.Thanks

[anonymous]

If your IgM contains kappa light chains, try Protein L from Actigen, UK[url="http://www.actigen.com/"]Tecnogen, Italy, has a matrix, the Kaptiv-IgM, which is said to have a high binding capacity.[url]http://www.tecnogen.it[/url][/url]