Results 71 to 80 of about 569,426 (212)

Citrate in urine determined with a new citrate lyase method

open access: yesClinical Chemistry, 1995
Abstract An enzyme-spectrophotometric method to determine citrate in biological fluids is proposed, based on citrate lyase-catalyzed and phenylhydrazine reactions. The enzyme converts citrate into oxaloacetate, which, in the presence of phenylhydrazine, is transformed into the corresponding phenylhydrazone.
M, Petrarulo   +4 more
openaire   +2 more sources

Diethyl citrate and sodium citrate reduce the cytotoxic effects of nanosized hydroxyapatite crystals on mouse vascular smooth muscle cells

open access: yes, 2017
Chong-Yu Zhang,1 Xin-Yuan Sun,1 Jian-Ming Ouyang,1 Bao-Song Gui2 1Institute of Biomineralization and Lithiasis Research, Jinan University, Guangzhou, 2Department of Nephrology, The Second Hospital of Xi’an Jiaotong University, Xi’an, People ...
Sun XY, Ouyang JM, Zhang CY, Gui BS
core  

Blood acid-base buffering: Explanation of the effectiveness of bicarbonateand citrate ingestion [PDF]

open access: yes, 2002
There exists confusion in the exercise and sports science community over the function and capacity of the bicarbonate (HCO3- buffer system, as well as the mechanism of action of citrate ingestion for raising blood bicarbonate and pH.
Robergs, Robert A.
core  

A Role for the Krebs Cycle Intermediate Citrate in Metabolic Reprogramming in Innate Immunity and Inflammation

open access: yesFrontiers in Immunology, 2018
Metabolism in immune cells is no longer thought of as merely a process for adenosine triphosphate (ATP) production, biosynthesis, and catabolism. The reprogramming of metabolic pathways upon activation is also for the production of metabolites that can ...
Niamh C. Williams, Luke A. J. O’Neill
doaj   +1 more source

Metabolism of Citric Acid, Potassium Citrate, Sodium Citrate and Calcium Citrate in the Rat

open access: yesFood Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi), 1987
The metabolism of citric acid and potassium, sodium and calcium salts of citrate in rats was investigated by single-dose oral administration. The per capita daily intake of citric acid and its salts in Japanese was estimated to be 37.78mg/kg by Ito et al., so 37.78mg/kg was chosen as the low dose and 1, 889mg/kg (50 times more) as the high dose.
NAKAMURA, Yumiko   +3 more
openaire   +2 more sources

Influence of anticoagulants on determination of H2O2 levels in blood: Comparison of citrate and EDTA [PDF]

open access: yes, 2018
Background H2O2 is supposed to be part of the laboratory test panel for assessment of oxidative stress. This molecule contributes to oxidative stress by reacting with Fe2+ ions to produce hydroxyl radicals.
Bwititi, P., Chalada, MJ, Nwose, EU
core   +1 more source

Crystal structure of caesium dihydrogen citrate from laboratory X-ray powder diffraction data and DFT comparison

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2017
The crystal structure of caesium dihydrogen citrate, Cs+·H2C6H5O7−, has been solved and refined using laboratory X-ray powder diffraction data, and optimized using density functional techniques.
Alagappa Rammohan, James A. Kaduk
doaj   +1 more source

Green Separation of Scandium and Titanium Using Citric Acid via Organic Complexation Scrubbing

open access: yesSeparations
Aiming at the bottleneck of the difficult scrubbing and separation of scandium and titanium in the solvent extraction process for scandium recovery, a novel strategy for scandium–titanium separation via citrate complex scrubbing is proposed based on the ...
Guangyu Zhang   +7 more
doaj   +1 more source

Lixiviação de cátions favorecida pela presença de ânions inorgânicos e ácidos orgânicos de baixa massa molecular em solos adubados com camas de aviário Cation leaching favored by inorganic anions and low molecular mass organic acids in soils fertilized with different poultry litters

open access: yesRevista Brasileira de Ciência do Solo, 2008
Com o incremento exponencial da avicultura no Brasil, a disponibilidade de dejetos de aves e de cama de aviário tem aumentado de maneira semelhante.
Fabrício de Oliveira Gebrim   +6 more
doaj   +1 more source

Renal citrate metabolism and urinary citrate excretion in the infant rat [PDF]

open access: yes, 2000
Renal citrate metabolism and urinary citrate excretion in the infant rat.BackgroundAlthough hypercalciuria has the same prevalence in children as adults, children rarely develop renal stones.
Melnick, Joel Z.   +3 more
core   +1 more source

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