Results 11 to 20 of about 4,937 (261)
Contribution of Dietary Oxalate and Oxalate Precursors to Urinary Oxalate Excretion [PDF]
Nutrients, 2020 Kidney stone disease is increasing in prevalence, and the most common stone composition is calcium oxalate. Dietary oxalate intake and endogenous production of oxalate are important in the pathophysiology of calcium oxalate stone disease. The impact of dietary oxalate intake on urinary oxalate excretion and kidney stone disease risk has been assessed ...
Joseph J. Crivelli +6 more
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The Handling of Oxalate in the Body and the Origin of Oxalate in Calcium Oxalate Stones [PDF]
Urologia Internationalis, 2019 Urolithiasis is one of the most common urologic diseases in industrialized societies. More than 80% of renal stones are composed of calcium oxalate, and small changes in urinary oxalate concentrations affect the risk of stone formation. Elucidation of the source of oxalate and its mechanism of transport is crucial for understanding the etiology of ...
Yi, Huang +10 more
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Determination of plasma oxalate with oxalate oxidase [PDF]
Clinica Chimica Acta, 1984 A method for the determination of plasma oxalate using oxalate oxidase (EC 1.2.3.4) and deproteinised plasma is described. Reference values are 1.2-6.4 mumol/l (n = 24, mean +/- SD 3.3 +/- 1.5 mumol/l). The sensitivity is 6-7 nmol, the accuracy 3-5 nmol, and the coefficient of variation 10.4% (at a level of 23 nmol).
Endeman, H.J., Leersum, L. van, Boer, P.
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Dietary Oxalate and Calcium Oxalate Nephrolithiasis [PDF]
Journal of Urology, 2007 Patients with calcium oxalate kidney stones are advised to decrease the consumption of foods that contain oxalate. We hypothesized that a cutback in dietary oxalate would lead to a decrease in the urinary excretion of oxalate and decreased stone recurrence. We tested the hypothesis in an animal model of calcium oxalate nephrolithiasis.Hydroxy-L-proline
Department of Pathology and Laboratory Medicine, College of Medicine, University of Florida, Gainesville, Florida ( host institution ) +3 more
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Acta Crystallographica Section E: Crystallographic Communications, 2023 Single crystals of three novel transition-metal oxalates, dirubidium diaquadioxalatocobalt(II) dihydrate or dirubidium cobalt(II) bis(oxalate) tetrahydrate, Rb2[Co(C2O4)2(H2O)2]·2H2O, (I), catena-poly[dirubidium [[dichloridocobalt(II)]-μ-oxalato]] or ...
Rebecca Clulow, Philip Lightfoot
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Acta Crystallographica Section E Structure Reports Online, 2014 The title salt, 2C19H23FN3O3+·C2O42−{systematic name: bis-[4-(3-carboxy-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinolin-7-yl)-1-ethylpiperazin-1-ium] oxalate}, crystallizes with two independent monocations (AandB) and an oxalate dianion (C) in the asymmetric unit.
Yamuna, T. S. +4 more
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Oxalate and Oxalate Oxidase in Malt [PDF]
Journal of the Institute of Brewing, 2009 Barley kernels contain a single oxalate oxidase located in the embryo and aleurone. It is already present in substantial quantities in unmalted grain and increases in activity during germination. It displays a very broad pH optimum: the optimum was at pH 4.0, but the enzyme still displayed more than 50% of its activity at pH 7.
Makoto Kanauchi +2 more
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Heritage, 2021 A multi-analytical approach has been employed to investigate the painting Natura Morta (1954–1955) by Andreina Rosa (1924–2019) to assess the state of conservation and to understand more about the painting materials and techniques of this artwork, which ...
Anna Piccolo +8 more
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Practical, Economical, and Scalable Synthesis of Monoalkyl Oxalates [PDF]
ACS OmegaXiaoxue Lin, Satomi Niwayama
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Determination of Oxalate in Urine Using Oxalate Oxidase: Comparison with Oxalate Decarboxylase [PDF]
Clinical Chemistry and Laboratory Medicine, 1979 The oxalate content of urine is determined by means of oxalate oxidase and simple pH measurement. The enzyme specifically decarboxylates oxalate, producing two moles CO2 per mole oxalate. The CO2 diffuses into an alkaline buffer solution (Hallson, P. C. & Rose, G. A. (1974), Clin. Chim. Acta 55, 29--39) in the closed reaction vessel, and reduces the pH
Kohlbecker, G. +2 more
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