Leaders in monolith chromatography


Study Of Affinity Interactions Between T-Pa And Synthetic Peptides Imitating Natural Substratum Part

Tissue plasminogen activator (t-PA) is serine protease which converts plasminogen into plas-min dissolving the major component of blood clots, fibrin. So, it can be extremely useful in clinical practice to help curing of heart attack victims. The most available way protein producing is genetic engineering where separation and purification of goal protein are one of the important steps in protein producing process.

Recently developed High performance monolithic disk chromatography, HPMDC, seems to be a very attractive way for study quantitative affinity parameters of recombinant proteins with different ligands as well as for protein separations and purifications. High process speed prevents the denatura-tion due to temperature and solvents influence. The better mass transfer mechanism (convection rather than diffusion) allows to consider only the biospecific reaction as time limiting.

It is known that plasminogen, which is the natural substratum for t-PA, can be successfully used as affinity ligand to separate t-PA from cellular media. However, the use of synthetic ligands for affinity chromatography is more preferable due to their higher stability and lower total cost.

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