1. Xanthinuria is a rare hereditary deficiency of xanthine oxidase, which results in hypouricemia and diminished urinary uric acid excretion.

2. Xanthine oxidase has been found in the endothelium of capillaries by immunohistochemistry, and superoxide is generated in endothelial cell cultures.

3. Activity of SOD was detected by xanthine oxidase technique .

4. Xanthine oxidase is an enzyme involved in the production of uric acid.

5. Riboflavin, folic acid, nicotinic acid, glutathione, xanthine, and guanosine exhibited a strong antagonistic action against both rhein and emodin.

6. This study aimed to explore the relationship between xanthine oxidase (XO), one of the major sources of ROS, and intestinal injury using a neonatal rat model of NEC.

7. Nucleobases, in this case uracil and xanthine, are the components that make up two of the most important parts of any Earth-bound life form, DNA and RNA.

8. An immobilization of xanthine oxidase on the surface of microelectrode has been accomplished, and thin film microsensor for the determination of hypoxanthine has been developed in this study.

9. They also found hypoxanthine and xanthine, which don't factor in to DNA but are used in other biological functions.

10. Mate also contains caffeine; xanthine alkaloids (including a mood elevator and muscle relaxant found in chocolate).

11. The xanthine oxidase producing conditions of Arthrobacter X 7 were studied in this paper.

12. Characters and applications of xanthine oxidase of cow milk were described.

13. Unlike caffeine, these molecules have only two methyl groups attached to their xanthine skeleton.

14. When allopurinol is utilized to treat severe urate overproduction, xanthine stones may form, but are rare.

15. Most affected individuals are asymptomatic, but aPProximately one-third will have xanthine stones.

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16. The kit comprises the following main components: buffer solution, coenzyme, inosine, nucleoside phosphatase, xanthine oxidase, NAD(P)H oxidase and a stabilizer.

17. Tungstate competitively inhibits the utilization of molybdenum for the formation of xanthine dehydrogenases.

18. Theobromine, like caffeine, and also like the asthma drug theophylline, belong to the chemical group known as xanthine alkaloids.

19. Objective To investigate the effects of heroin on plasma uric acid and purine nucleotides catabolism in rat spleen by testing the activities of adenosine deaminase (ADA) and xanthine oxidase (XOD).

20. There is evidence for several potential sources of NO in plants, including nitric oxide synthase (NOS), nitrate reductase (NR), xanthine oxidoreductase or nonenzymatic sources.

21. LD and SOD are detected each by enzymic method, xanthine oxidase method.

22. Objective: To study the inhibitory effect of rosmarinic acid on xanthine oxidase .

23. Methods The contents of MDA and SOD in serum of 40 patients with AICH and 40 healthy control group were measured respectively by thiobarbituric acid(TBA)and xanthine oxidation(XTO) methods.

24. Methods: Screening and detecting the active principle which can resist gout of stigmata maydis by using the assay method of xanthine oxidase (XO) in vitro.

25. Microdialysis sampling coupled with high performance liquid chromatography and amperometric detector was developed and applied to determine Xanthine and Hypoxanthine in rat striatum.

26. SOD activities in RBC and liver were measured by xanthine oxidase method. Serum and hepatic MDA contents were assayed according to thiobarbituric acid method.

27. Method: The mouse serum uric acid level and liver xanthine oxidase activity were used to evaluate anti-gout effects of raw and processing P. amurense with salt.