Determination of urate concentration by ultraviolet light absorbance change produced on oxidation with alkaline ferricyanide

Németh, Ilona; Boda, D

doi:10.1016/0009-8981(81)90158-3

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Monitoring Copper-induced Oxidation Of Urate and Ascorbate1

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2007

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Cited by 5 publications

(2 citation statements)

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“…Oxidation of urate and ascorbate was monitored at 37°C by continuous recording of the absorbance at UV absorption maxima of 292 nm for urate and of 268 nm for ascorbate [20,28,29], using a Kontron (Uvikon 933) double-beam spectrophotometer equipped with a 12 position automated sample changer. Measurements were carried out in quartz cuvettes containing 146 mM NaCl and a 3.3-mM sodium phosphate-buffered solution (PBS), pH 7.4 (final volume of 1.5 ml, optical pathway 1 cm).…”

Section: Monitoring Copper-induced Oxidation Of Urate and Ascorbatementioning

confidence: 99%

Kinetic studies of copper-induced oxidation of urate, ascorbate and their mixtures

Samocha-Bonet

Lichtenberg

Pinchuk

2005

Journal of Inorganic Biochemistry

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Section: Monitoring Copper-induced Oxidation Of Urate and Ascorbatementioning

confidence: 99%

Kinetic studies of copper-induced oxidation of urate, ascorbate and their mixtures

Samocha-Bonet

Lichtenberg

Pinchuk

2005

Journal of Inorganic Biochemistry

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“…The determination of the serum and urinary uric acid concentration was performed using our modification of Morin's original procedure [17]. The serum level of Ap and its active metabolite, alloxanthine, was measured using our own method [16].…”

Section: Methodsmentioning

confidence: 99%

Effect of Allopurinol Treatment in Premature Infants with Idiopathic Respiratory Distress Syndrome

Boda¹,

Németh²,

Hencz³

et al. 1984

Dev Pharmacol Ther

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A randomized prospective study of the effectiveness of allopurinol (Ap), a potent and specific inhibitor of the enzyme xanthine oxidase, was performed in premature infants endangered by hypoxia. The drug was given at a dose of 20 mg/kg/day orally for 3 days. In the Ap-treated group the expected decrease in the serum concentration and urinary excretion of uric acid was accompanied by a decrease in the mortality rate of infants with idiopathic respiratory distress syndrome. In these patients a concomitant improvement in renal function, as indicated by an increased urinary flow rate and creatinine output, was also obvious. It is suggested that the observed beneficial effect is due to the specific inhibition of xanthine oxidase associated with Ap therapy leading to reduced generation of superoxide radicals and decreased urinary loss of purine

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Oxidation of liposomal cholesterol and its effect on phospholipid peroxidation

Schnitzer

Pinchuk

Bor

et al. 2007

Chemistry and Physics of Lipids

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Determination of urate concentration by ultraviolet light absorbance change produced on oxidation with alkaline ferricyanide

Cited by 5 publications

References 5 publications

Kinetic studies of copper-induced oxidation of urate, ascorbate and their mixtures

Kinetic studies of copper-induced oxidation of urate, ascorbate and their mixtures

Effect of Allopurinol Treatment in Premature Infants with Idiopathic Respiratory Distress Syndrome

Oxidation of liposomal cholesterol and its effect on phospholipid peroxidation

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