Chromatographic Monoliths With Hydrazide Modified Surface | New Member of CIM Family

Hydrazide-activated (HDZ) columns were proven to be a product of choice for making the most effective immunoaffinity columns. They take advantage of a special hydrazide linkage that binds antibodies through the carbohydrate residues on their Fc regions. This leaves the antigen-binding domains fully accessible to enable the most effective capture of desired target.

CIMac HDZ monoliths make HDZ-immobilized antibody columns even more effective. Because of their large channel size and the efficiency of convective mass transport, they eliminate the long loading residence times that are required for affinity chromatography on porous particle columns. Flow rates of 5–10 column volumes per minute allow complete purifications in a few minutes, even when the source material contains a low concentration of antigen. The same performance is achieved whether a small peptide or a large bio-assemblage like a virus particle or extracellular vesicle is isolated.

The combination of HDZ monoliths and the immobilization protocol offers a strong tool for fast antigen isolation from complex biological sample (plasma, lysate, etc.) and consequently sensitive antigen quantification. An example of CIMac HDZ application is a purification of fibrinogen from human plasma.

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