Mechanism of action of heparin - YouTube video inside
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Here you will learn how heparin potentiates the action of antithrombin and why protamine sulphate acts as an antidote for heparin poisoning.
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Ninhydrin is a chemical that detects free amines by producing a purple color when reacted with proteins or amino acids. The document describes an experiment where albumin, gelatin, and pepton were each reacted with ninhydrin solution and heated, producing a purple color in all three trials, indicating the presence of free amino acids. The conclusion is that the ninhydrin test resulted in a positive reaction for albumin, gelatin, and pepton, showing there are free amino acids present.
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