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In a minute separation of IgM from IgG and human serum albumin in human serum using CIM® Monolithic Columns

Fast diagnosis of different infections is a crucial for a successful medical treatment. For diagnosis of certain diseases, separation of IgG and IgM in human serum is required to prevent interference or competing. This is usually achieved by adding adsorbent containing antihuman antibodies to the sample. Incubation from half to one hour is needed to achieve the complete removal of the antibody.

A quicker way to achieve the removal of antibody would be the use of a chromatographic support with specific ligand, which selectively binds the antibody. For example, a Protein G column can be used for removal of IgG. This is faster, but also much more expensivfe way of removing IgG's.

CIM Convective Interaction Media stationary phases represent a novel generation of stationary phases for liquid chromatography. Because of their monolithic structure, being designed for the separation and purification of macromolecules, they exhibit a higher dynamic capacity for very alrge molecules in comparison to traditional stationary phases, combined with much shorter process time that further result in a decreased loss of the biologic activity.

In this work, we present low price ligands (coupled to CIM chromatographic support), which can be used for efficient separation of IgG and IgM antibodies.


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