نتایج جستجو برای: urine organic acids range

تعداد نتایج: 1147173  

ژورنال: علوم آب و خاک 2013
ابراهیم سپهر, , بابک عبدالهی, , میرحسن رسولی صدقیانی, , ندا مرادی, ,

Organic acids can affect phosphorus (P) sorption. In order to evaluate the effect of citric acid and oxalic acid on phosphorus sorption characteristics in calcareous soils, five different soil samples (0-30 cm) were collected in West Azerbaijan province. Soil samples (2.5 g) were equilibrated with solutions of KH2PO4 containing 0 to 20 mg P l-1. Five mM organic acids were added to each tube and...

Heavy metal contamination of soil, water and air has caused serious environmental hazard in the biosphere due to rapid industrialization and urbanization. A variety of metal binding ligands such as organic acids and amino acids involve in the heavy metal remediation mechanisms by plants. This paper analyses the possible role of amino acid histidine and organic acids, namely, citric, oxalic and ...

Journal: :Accounts of chemical research 2002
James H Clark

Solid acids and especially those based on micelle-templated silicas and other mesoporous high surface area support materials are beginning to play a significant role in the greening of fine and specialty chemicals manufacturing processes. A wide range of important organic reactions can be efficiently catalyzed by these materials, which can be designed to provide different types of acidity as we...

Journal: :Materials advances 2023

Metal–organic frameworks (MOFs) are extensively studied materials for delivering a wide range of therapeutic entities including nucleic acids. Protein corona from serum may change biological identity and properties these biocomposites.

Journal: :Journal of Biological Chemistry 1956

2017
Susakul Palakawong Na Ayudthaya Nikolaos Strepis Peter Pristaš Caroline M Plugge

Actinomyces glycerinitolerans strain G10T, which was isolated from sheep rumen fluid, can metabolize a range of substrates, including complex carbohydrates to organic acids (OAs). Here, we report a 3.69-Mbp draft genome of Actinomyces glycerinitolerans.

2016
I. Manoli C.P. Venditti

The three essential branched-chain amino acids (BCAAs), leucine, isoleucine and valine, share the first enzymatic steps in their metabolic pathways, including a reversible transamination followed by an irreversible oxidative decarboxylation to coenzyme-A derivatives. The respective oxidative pathways subsequently diverge and at the final steps yield acetyl- and/or propionyl-CoA that enter the K...

Journal: :Biochemical Journal 1937

ژورنال: علوم آب و خاک 2004
رویا بهشتی, , شهرام دخانی, ,

The changes of main sugars and organic acids of Red delicious and Golden delicious apples from Semirom region in Isfahan Province were determined by high performance liquid chromatography (HPLC). The apples were harvested, graded and packed in three kinds of wood, car-board and perforated polyethylene film packages and stored for eight months at 0±0.5oC and 90 to 95% relative humidity for furth...

Journal: :The Biochemical journal 1974
M S Patel

1. The effect of the branched-chain amino acids, namely leucine, isoleucine and valine and their corresponding 2-oxo acids on the metabolism of 2-oxoglutarate by developing rat and human brain preparations was investigated. 2. The decarboxylation of 2-oxo[1-(14)C]glutarate to (14)CO(2) by mitochondria from adult rat brain was inhibited by the branched-chain 2-oxo acids whereas the branched-chai...

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