نتایج جستجو برای: aluminium

تعداد نتایج: 14927  

2011
Mary S. Fewtrell Caroline J. Edmonds Elizabeth Isaacs Nick J. Bishop Alan Lucas

Aluminium is the most common metallic element, but has no known biological role. It accumulates in the body when protective gastrointestinal mechanisms are bypassed, renal function is impaired, or exposure is high – all of which apply frequently to preterm infants. Recognised clinical manifestations of aluminium toxicity include dementia, anaemia and bone disease. Parenteral nutrition (PN) solu...

2014
Jon I Mujika Elixabete Rezabal Jose M Mercero Fernando Ruipérez Dominique Costa Jesus M Ugalde Xabier Lopez

The increased availability of aluminium in biological environments, due to human intervention in the last century, raises concerns on the effects that this so far "excluded from biology" metal might have on living organisms. Consequently, the bioinorganic chemistry of aluminium has emerged as a very active field of research. This review will focus on our contributions to this field, based on co...

Journal: :The Lancet. Infectious diseases 2004
Tom Jefferson Melanie Rudin Carlo Di Pietrantonj

We have reviewed evidence of adverse events after exposure to aluminium-containing vaccines against diphtheria, tetanus, and pertussis (DTP), alone or in combination, compared with identical vaccines, either without aluminium or containing aluminium in different concentrations. The study is a systematic review with meta-analysis. We searched the Cochrane Vaccines Field Register, the Cochrane Li...

Journal: :British journal of industrial medicine 1966
R Ondreicka E Ginter J Kortus

aluminium sulphate (2,835 p.p.m.) caused a 20-fold increase of aluminium retention in white rats. Aluminium accumulated in various tissues, especially in the skeleton, liver, and testes. A high rate of intake (2,665 p.p.m.) caused a negative phosphorus balance in the rat, with an increased output of phosphorus in the faeces. The lower absorption of phosphorus was also demonstrated with Na2H32PO...

2010
B. Lipowska J. Witek K. Stec

In the conducted investigations, aluminium dross, i.e. solid waste formed in the production and recycling of aluminium, was used as one of the basic raw materials to obtain a material characterised by insulating and exothermic properties, applied to heat riser heads in the process of iron or steel casting. The product was obtained by filtrating the slurry. In the raw mix, aluminium dross played...

2009
M Kriener

The discoveries of superconductivity in heavily boron-doped diamond, silicon and silicon carbide renewed the interest in the ground states of charge-carrier doped wide-gap semiconductors. Recently, aluminium doping in silicon carbide successfully yielded a metallic phase from which at high aluminium concentrations superconductivity emerges. Here, we present a specific-heat study on superconduct...

Journal: :medical journal of islamic republic of iran 0
aa moshtaghie from the department of biochemistry, school of pharmacy isfahan university of medical sciences, isfahan m sandughchin from the department of biochemistry, school of pharmacy isfahan university of medical sciences, isfahan a badil from the department of biochemistry, school of pharmacy isfahan university of medical sciences, isfahan m azani the dialysis center, shariati hospital, isfahan, i.r. iran.

aluminium determination was carried out in serum and dialysis fluid by a simple and reliable method of nameless atomic absorption with graphite furnace . . no preparatory procedures are required for water and dialysis fluid. in this method serum was mixed with 0.2% hno, to allow complete combustion of the samples in order to improve analytical precision. the method has a sensitivity of 15 pg an...

2003
JACQUES LOEB

"Aluminium hydroxide dissolves in acids. From its solution in hydrochloric acid, an aluminlum salt, aluminium chloride A1C13, 6H20, is obtained. I t also combines with strong bases, dissolving for instance in a solution of sodium hydroxide and forming an aluminate, NaA102 . . . . According to the best knowledge we have on the subject, the molecule of aluminium hydroxide has the following struct...

Journal: :British medical journal 1983
A C Leung I S Henderson D J Halls J W Dobbie

In an attempt to discover a phosphate binding agent for use in uraemia that would not lead to appreciable systemic absorption of aluminium the effect of sucralfate was evaluated after three weeks and compared with that of the existing standard agent aluminium hydroxide. Sucralfate caused a decrease in serum phosphate concentration comparable with that obtained with aluminium hydroxide, but simi...

Journal: :Acta dermato-venereologica 2013
Eva Netterlid Monica Hindsén Ingrid Siemund Jonas Björk Sonja Werner Helene Jacobsson Nuray Güner Magnus Bruze

Persistent, itching nodules have been reported to appear at the injection site after allergen-specific immuno-therapy with aluminium-precipitated antigen extract, occasionally in conjunction with contact allergy to aluminium. This study aimed to quantify the development of contact allergy to aluminium during allergen-specific immunotherapy. A randomized, controlled, single-blind multicentre stu...

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