{"product_id":"xanthine-oxidase-enzyme-activity-tbp0045","title":"Xanthine oxidase, Enzyme Activity","description":"\u003cp\u003e\u003cspan style=\"font-size: 18px\"\u003e\u003cstrong\u003e\u003cu\u003ePreparation and Specification\u003c\/u\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eAppearance:\u003c\/u\u003e Reddish brown amorphous powder, lyophilized\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eActivity:\u003c\/u\u003e GradeⅡ 10U\/mg-solid or more\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eContaminants:\u003c\/u\u003e Catalase ≤5%\u003c\/p\u003e\n\u003cp style=\"padding-left: 80px\"\u003eAdenosine deaminase ≤1.0×10⁻³%\u003c\/p\u003e\n\u003cp style=\"padding-left: 80px\"\u003eUricase ≤1.0×10⁻³%\u003c\/p\u003e\n\u003cp style=\"padding-left: 80px\"\u003ePhosphatase ≤1.0×10⁻³%\u003c\/p\u003e\n\u003cp style=\"padding-left: 80px\"\u003ePurine-nucleoside phosphorylase ≤5.0×10⁻³%\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eStabilizers:\u003c\/u\u003e Sodium glutamate, BSA\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px\"\u003e\u003cstrong\u003e\u003cu\u003eProperties\u003c\/u\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eStability:\u003c\/u\u003e Stable at -20°C for at least One year\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eMolecular weight:\u003c\/u\u003e approx. 160,000\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eIsoelectric point:\u003c\/u\u003e 4.0±0.1\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eMichaelis constants:\u003c\/u\u003e 4.5×10⁻⁵M (Xanthine), 7.6×10⁻⁵M (Hypoxanthine)\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eInhibitors:\u003c\/u\u003e Reducing agents, Hg⁺⁺, Ag⁺,MIA\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eOptimum pH:\u003c\/u\u003e 7.5-8.0\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eOptimum temperature:\u003c\/u\u003e 65°C\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003epH Stability:\u003c\/u\u003e pH 6.5-9.0 (25°C, 15hr)\u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eThermal stability:\u003c\/u\u003e below 55°C (pH 8.0, 30min)\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 18px\"\u003e\u003cstrong\u003e\u003cu\u003eApplications\u003c\/u\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThis enzyme is useful for enzymatic determination of inorganic phosphorus, 5′-nucleotidase and adenosine deaminase when coupled with Purine-nucleoside phosphorylase and uricase.\u003c\/p\u003e\n\u003cp\u003e\u003c!--TBP0045-50U TBP0045-100U--\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 13px; font-weight: 700; text-transform: uppercase;\"\u003e\u003cstrong\u003eResearch use only.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eDocuments\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/tribioscience.com\/wp-content\/uploads\/2024\/02\/TBP0045-Xanthine-oxidase-1.pdf\"\u003eDatasheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/tribioscience.com\/wp-content\/uploads\/2024\/02\/TBP0045_Xanthine-oxidase-Safety-Data-Sheet.pdf\"\u003eMSDS (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TriBioScience","offers":[{"title":"50U","offer_id":45986496348239,"sku":"TBP0045-50U","price":0.0,"currency_code":"ILS","in_stock":true},{"title":"100U","offer_id":45986496381007,"sku":"TBP0045-100U","price":0.0,"currency_code":"ILS","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0712\/0748\/5519\/files\/TBP0045.png?v=1782812595","url":"https:\/\/www.danyel.co.il\/products\/xanthine-oxidase-enzyme-activity-tbp0045","provider":"danyel biotech","version":"1.0","type":"link"}