C4519
Ceruloplasmin human
lyophilized powder, oxidase 20-75 units/mg protein
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About This Item
Polecane produkty
Działania biochem./fizjol.
Ceruloplasmin (Cp), the principal carrier of copper in plasma, is thought to be involved in oxidative modification of lipoproteins and participate in the acute phase reaction to stress. Cp is an effective antioxidant for a variety of radicals and has a potent peroxidase activity to decompose hydrogen peroxide in the presence of reduced glutathione. It inhibits the peroxidase activity of myeloperoxidase in a concentration-dependent manner and shows selective binding to myeloperoxidase in vitro. This suggests that ceruloplasmin may participate in the clearance and inactivation of myeloperoxidase in vivo. At physiological (micromolar) concentrations it was found to inhibit relaxation of rabbit aorta induced by endothelium-dependent agonists like acetylcholine or ADP. However, it was found ineffective toward vasodilation due to direct stimulation of smooth muscle cells by nitroglycerin. Cp plays an essential role in iron homeostasis, regulating the efflux of iron from macrophages and the oxidation of Fe2+ to Fe3+. Cp deficiency leads to neurodegenerative disorders, possibly by starving neurons of iron.
Definicja jednostki
One unit will cause a ΔA550 of 0.01 per min using N,N-dimethyl-p-phenylenediamine as substrate at pH 5.5 and 37 °C, in a 7 mL reaction volume.
Postać fizyczna
Pale blue powder containing sodium chloride and sodium acetate
Komentarz do analizy
Protein determined by biuret
Oświadczenie o zrzeczeniu się odpowiedzialności
RESEARCH USE ONLY. This product is regulated in France when intended to be used for scientific purposes, including for import and export activities (Article L 1211-1 paragraph 2 of the Public Health Code). The purchaser (i.e. enduser) is required to obtain an import authorization from the France Ministry of Research referred in the Article L1245-5-1 II. of Public Health Code. By ordering this product, you are confirming that you have obtained the proper import authorization.
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Kod klasy składowania
13 - Non Combustible Solids
Klasa zagrożenia wodnego (WGK)
WGK 3
Temperatura zapłonu (°F)
Not applicable
Temperatura zapłonu (°C)
Not applicable
Certyfikaty analizy (CoA)
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Talanta, 214, 120881-120881 (2020-04-13)
Two analytical strategies for determination of both biocatalytic activity and concentration of ceruloplasmin conditions have been proposed. For this purpose, two constructions of fully-mechanized Multicommutated Flow Analysis (MCFA) systems were designed. The versatility of solenoid pumps and valves arrangement enabled
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