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AVANTI POLAR LIPIDS , CYGNUS , LARODAN , ADIPOGEN , MYBIOSOURCE , SERVA NORDMARK, BIOWORLD, EDGEBIO , PANREAC APPLICHEM
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Product description: Chemical. CAS: 62354-43-2. Formula: C23H38N6O5 . 2HCl. MW: 478.6 . 72.9. D-Val-Leu-Lys-p-nitroanilide is a selective colorimetric substrate for plasmin used to determine the formation of plasmin from plasminogen in amidolytic activity assays and plasminogen activating assays. Plasmin is a plasma serine protease whose main role is to dissolve fibrin blood clots. After cleavage by plasmin the protease activity is quantified by the release of p-nitroaniline (pNA) from the substrate. The rate of pNA formation, e.g. the increase in absorbance per second at 405 nm, is proportional to the enzymatic activity.
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