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Total enzimatic activity was obtained by the Lambert-Beer equation. Then, this enzimatic activity can be converted in IU (International Units) using the extintion coeficient and their molecular weight (provided by the manufacturer). Finally, the specific activity (UI/mg protein) can be obtained when the total enzimatic activity (UI/mL) is divided by the total soluble proteins (quantification of proteins, mg/mL) present in your nematode tissue extracts.
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