特異性：Scl-70 Antigen Shows only the Scl-70 precipitate band when tested using double immunodiffusion against rabbit thymus extract. Specificity is verified by identity of precipitation with CDC-AF reference serum. The titer obtained will vary with the test s
純度：Single donor human plasma is delipidized and defibrinated. An immunoglobulin fraction is then precipitated and collected.
形状：Purified, Lyophilized. Reconstitute with 2ml deionized water.
