Observations on the Interpretation of the Hippuric Acid Synthesis Test of Liver Function
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Graphene–ZnO@SiO2 hybrid: An efficient and solid acid catalyst for synthesis of azlactones under ultrasound irradiation
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The central theme of this article is how to explore a novel route to fabricate graphene– ZnO@SiO2 hybrid by a covalent process. The synthesis procedure consists of three-steps: (1) synthesis of ZnO nanoparticles, (2) ZnO nanoparticles modification by tetraethyl orthosilicate and (3-aminopropyl) triethoxysilane after introduction of amino groups on its surface, (3) the covalent attach...
متن کاملStudies in para-aminohippuric acid synthesis in the human: its application as a liver function test.
Synthesis of p-aminohippuric acid (PAH) from p-aminobenzoic acid (PAB) in animal liver slices and homogenates has been shown to resemble closely, both chemically and thermodynamically, the synthesis of peptides (1-3). This reaction has been utilized in the hippuric acid synthesis test for liver function since 1933 (4) and has found wide clinical application (5-7). Hippuric acid, however, must b...
متن کاملThe requirement for coenzyme A in the enzymatic synthesis of hippuric acid.
Previous studies from this laboratory have shown that p-aminohippuric acid is formed from p-aminobenzoic acid and glycine by liver slices (1) and homogenates under aerobic conditions, or anaerobically with adenosinetriphosphate (ATP) as the source of energy (2, 3). Similar observations on the synthesis of hippuric acid have been briefly reported (4). These studies suggested the format,ion of a ...
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Background: Toluene is a harmful substance still being used as a solvent and catalyst in many industries that can increase the level of urinary hippuric acid (UHA). This study was designed to examine the level of toluene and UHA among workers of industrial site in seven companies in Sidoarjo, Indonesia and to analyze the risk factors for abnormal UHA. Methods: This study was an analytical cross...
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