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

目的：研究迷迭香酸对黄嘌呤氧化酶的抑制作用。

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

钨酸盐竞争性地抑制钼的利用以形成黄嘌呤脱氢酶。

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

大黄酸和大黄素抑菌作用的拮抗物为核黄素、烟酸、黄嘌呤、谷胱甘肽、鸟甙和叶酸。

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

采用黄嘌呤氧化酶法测定红细胞和肝匀浆SOD活力，以硫代巴比妥酸法测定血清和肝匀浆MDA含量。

Therefore, the correlation could be expected between serum uric acid levels acting as the markers of both increased xanthine oxidase activity and inflammation.

因此，可预期各血清尿酸值的相关性，而作为黄嘌呤氧化酶活性增强与炎症的指标。

Activity of SOD was detected by xanthine oxidase technique .

采用黄嘌呤氧化酶法测定SOD活性；

Methods: Blood concentration of NO, SOD were measured by using nitrate reduction method and xanthine oxidase method.

方法：采用硝酸还原酶法和黄嘌呤氧化酶法测定血浆中一氧化氮（NO）、超氧化物歧化酶（SOD）的水平。

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.

方法采用硫代巴比妥酸比色（TBA）、黄嘌呤氧化法（XTO）分别测定40例AICH患者和40例健康人血清中MDA、SOD的含量。

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

综述了牛乳中黄嘌呤氧化酶的各种性质及其应用。

Dog xanthine calculus is a peculiar disease, it is caused by the deficiency of innatexanthine oxidase, it has not been reported that is caused by other postnatal factor.

犬黄嘌呤结石症是一种非常罕见的疾病，一般是由于犬体内先天性黄嘌呤氧化酶缺少所致，因后天因素引起的病例未见报道。

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

可可碱与咖啡因、茶碱（哮喘药）一样，属于黄嘌呤生物碱家族。

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

采用微渗析活体取样技术和高效液相色谱安培检测法，测定了鼠脑纹状体中的黄嘌呤和次黄嘌呤。

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

有证据表明，植物中有几条潜在的产生NO的途径，包括一氧化氮合成酶（NOS）、硝酸还原酶（NR）、黄嘌呤氧化还原酶和非酶促反应途径。

The level of uric acid in plasma and the activities of xanthine oxidase (XO) in the plasma and the small intestine were determined.

试剂盒检测血浆尿酸含量、血浆及小肠组织黄嘌呤氧化酶（XO）的活性。

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.

该研究采用新生鼠坏死性小肠结肠炎模型，探讨黄嘌呤氧化酶与肠损伤的关系。

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.

本项研究实现在微电极表面进行黄嘌呤氧化酶的固定化，从而制备一体化薄膜次黄嘌呤微传感器。

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

他们还发现了次黄嘌呤和黄嘌呤，它们于DNA不发挥作用，但被用于其他生物功能。

Results: In xanthine oxidase method, the specific activity of SOD still could be detected although SOD was inactivated.

结果：在黄嘌呤氧化酶法反应体系中，SOD灭活后依然能够检测到SOD比活力值。

The results indicated that xanthine oxidase pathway was a main source for the production of oxygen derived free radical.

黄嘌呤氧化酶途径是体外循环术中氧自由基产生的重要来源。

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

盐竞争性地抑制钼的利用以形成黄嘌呤脱氢酶。

The content of malondialdehyde (MDA) was measured with thiobarbituric acid method and the activity of superoxide dismutase (SOD) was measured with xanthine oxidase method;

硫代巴比妥酸法测定脑组织丙二醛含量；黄嘌呤氧化酶法测定超氧化物歧化酶活性；

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

本发明的试剂盒主要成分包括：缓冲液、辅酶、肌苷、核苷磷酸酶、黄嘌呤氧化酶、NAD（P）H氧化酶及稳 定剂；