According to recent research from Salzburg, Austria, "Affinity-CIEF has been applied to characterize a recombinant product of the major birch pollen allergen Betula verrucosa isoform. 1a (Bet v 1a) immuno-chemically. For this purpose mAbs of the IgG-type have been produced in-lab from two murine hybridoma lines, specified as clones 2 and 5.1."
"Both IgG clones were characterized by SDS-PAGE, MALDI-TOF-MS and CIEF. The purified IgG solutions had to be dialysed against 10 mmol/L phosphate (pH 7.4) to prevent IgG precipitation and to ensure appropriate CIEF separation. Both tested monoclonal IgGs (mIgGs) comprised four constituents covering pI ranges of 6.98-7.09 and …
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