Topic
Aluminium hydroxide
About: Aluminium hydroxide is a research topic. Over the lifetime, 2043 publications have been published within this topic receiving 22032 citations. The topic is also known as: Al(OH)3 & Amphojel.
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TL;DR: In this article, electron-correlated DFT calculations with a large basis set show that propane adds to coordinatively unsaturated aluminium, as in the======@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
4 citations
Patent•
07 Feb 2002
TL;DR: In this paper, a stable omeprazole-containing pharmaceutical preparation in which decomposition and discoloration are suppressed over a long period is obtained by coating a nucleic composition consisting of omephrazole or its salt and a buffer composed of a coprecipitate of a polyvalent metal hydroxide and a carbonic metal salt with at least one kind of enteric polymer selected from cellulosecarboxyalkyl ethers and (meth)acrylic polymers.
Abstract: PROBLEM TO BE SOLVED: To provide a stable omeprazole-containing pharmaceutical preparation in which decomposition and discoloration are suppressed over a long period. SOLUTION: The solid pharmaceutical preparation is obtained by coating a nucleic composition comprising omeprazole or its salt and a buffer composed of a coprecipitate of a polyvalent metal hydroxide and a carbonic metal salt with at least one kind of enteric polymer selected from cellulosecarboxyalkyl ethers and (meth)acrylic polymers. The buffer may be composed of a coprecipitate of aluminium hydroxide and a carbonic metal alkali salt (particularly a coprecipitate of aluminium hydroxide and sodium hydrogancarbonate). The enteric polymer may be composed of a carboxymethyl-1-4C alkylcellulose, a methacrylic acid-acrylic 1-4C alkyl ester, or the like. The nucleic composition may further contain a basic amino acid or its salt. COPYRIGHT: (C)2003,JPO
4 citations
Journal Article•
TL;DR: A strong direct correlation between the number of lymphocytes and DNA synthetizing macrophages was shown out and this reaction was not observed in beryllium treated rats.
Abstract: A sequential quantitative analysis of free alveolar cells was performed on S.P.F. rats after intratracheal injection of Be (OH)2 and Al (OH)3. The induced lesions were entirely restored 20 days after the initial injection. Beryllium hydroxide inhibited DNA synthesis in the free alveolar macrophages and the transeptal cellular flow could be evidenced. Aluminium hydroxide increased the number of free cells without inhibiting DNA synthesis. Quantitative variations of polymorphonuclears, lymphocytes and macrophages were correlated with changes in the alveolar environment. A strong direct correlation between the number of lymphocytes and DNA synthetizing macrophages was shown out. This reaction was not observed in beryllium treated rats.
4 citations
TL;DR: The mechanochemical formation and homogeneity of aluminosilicate precursors was investigated with respect to the influence of particle size and chemical form of the aluminium hydroxide starting material as discussed by the authors.
Abstract: The mechanochemical formation and homogeneity of aluminosilicate precursors was investigated with respect to the influence of particle size and chemical form of the aluminium hydroxide starting material. Aluminium hydroxide in the form of bayerite with a large particle size was found to be more reactive than gibbsite of small particle size. 29Si and 27Al MAS–NMR, DTA–TG, and XRD measurements showed that ground mixtures of aluminium hydroxide and silica gel are more homogeneous than mixtures containing silicic acid.
4 citations
TL;DR: In this article, it has been shown that outerspheric hydroxo-fluoride aluminium complexes are formed under low initial concentrations of fluorine ions, and that the influence of the anode material on the passivating velocity of removal has been investigated, and conditions allowing to stabilize the electrical parameters on the electrode block functioning during a long period of time have been selected.
4 citations