(n.) The metallic base of alumina. This metal is white, but with a bluish tinge, and is remarkable for its resistance to oxidation, and for its lightness, having a specific gravity of about 2.6. Atomic weight 27.08. Symbol Al.
Example Sentences:
(1) Examination on day 9 and 15 the magaldrate group showed significantly (p less than 0.05) lower aluminium levels than the aluminium hydroxide group.
(2) Al added as AlCl3 or aluminium citrate had no effect, and there was no significant difference in the response of cells from renal failure patients with or without high serum Al levels or controls.
(3) These experimental results demonstrate that aluminium interferes with iron absorption and iron transfer, and suggest that these mechanisms may be responsible for maintaining and even increasing the anaemia observed in aluminium overload.
(4) The latter compounds were reduced with lithium aluminium hydride to the respective amines (II a-c) and then N-alkylated by reaction with 2-propynyl-, 2-butynyl- or 2,3-butadienyl bromides to the corresponding amines (III a-j).
(5) 47 children were immunized in 1968 and 1969 during the first year of life with 3 injections of aluminium free triple vaccine given with an interval of 4--6 weeks.
(6) Rabbits fed a cholesterol-rich diet developed atherosclerosis after 3 months and these rabbits possessed high concentrations of calcium, phosphorus and aluminium in the central nervous system, determined by neutron activation analysis.
(7) These findings suggest that although in rats with normal renal function aluminium absorption appears to be partly vitamin D dependent, 1,25(OH)2D3 does not further augment the enhanced gastrointestinal absorption of aluminium in uraemia.
(8) The entrance window is 12 microns Melinex foil with a thin aluminium surface.
(9) For inactivation of rad54-3 mutant cells, the r.b.e.-values relative to 60Co gamma-rays were 2.6 and 2.4 for carbon K and aluminium K X-rays, respectively.
(10) The absorption of factor VIII from gel filtration fractions, concentrates and plasma by aluminium hydroxide has been studied.
(11) Lymphocytes cultured in the presence of Al-Tf showed a dose-dependent uptake of Al, whereas uptake from aluminium citrate was low and not dose-dependent.
(12) Very small PVC particles, polymerized by the emulsion process, were mounted on an aluminium adhesive tape and pressed with a similar tape.
(13) The antibody responses of animals immunised with keyhole limpet hemocyanin (KLH) in Freund's Incomplete Adjuvant (FIA), diethylaminoethyl dextran (DEAE-dextran) and aluminium hydroxide (alum) were compared with the response to antigen administered in the absence of adjuvants.
(14) to aluminium chronic poisonning; the source of the aluminium intoxication is not aluminium containing phosphate-binding gels but intravenously administreted tape-water.
(15) Bile acids were extracted from serum samples by chromatography on Amberlite XAD-2 and, after alkaline or enzymic hydrolysis, purified by chromatography on aluminium oxide.
(16) As new aluminium equals energy use and environmental destruction, this raises the question: why can't computers be made from recycled aluminium, given that this uses 95% less energy?
(17) In a multicentre study, 146 peptic ulcer patients who had recently healed with H2 antagonists (38 gastric, 108 duodenal ulcers) received randomly for a year one of the following mucosal protecting antiulcer drugs: aceglutamide aluminium salt (AAL), zinc acexamate (ZAC) and magaldrate (MAG).
(18) It permits the absorption of aluminium in amounts similar to aluminium-containing antacids, and toxicity has been demonstrated in the presence of renal insufficiency.
(19) The method consisted first in preconcentrating the samples collected on immersed gauze pads, secondly in the concentration of the virus samples by the following methods-used either separately or in parallel: the Amberlite method, the yeast cell and the aluminium bydroxide concentration method.
(20) The concentrations of 17 trace elements (e.g., copper, cobalt, iron, manganese, chromium, silicon and magnesium) were determined in whole blood samples of 81 persons working with different welding methods on stainless steel or aluminium and 68 nonwelders.
Aluminum
Definition:
(n.) See Aluminium.
Example Sentences:
(1) A retrospective study was done in 86 patients on dialysis in order to evaluate the doses of aluminum hydroxide (OH3 Al) received to achieve a better serum phosphate control.
(2) These results suggest that aluminum is able to gain access to the central nervous system under normal physiological conditions.
(3) Marked declines in stainable bone-surface aluminum were associated with increases in bone formation rate and osteoblastic osteoid following deferoxamine.
(4) This is suggested by the fact that patients with overt hyperparathyroidism are protected from developing aluminum-related bone disease even when they are given large parenteral loads of aluminum.
(5) The 8 men and 3 women were clinically stable, were known to be compliant, and had no clinical evidence of aluminum overload; they were not receiving vitamin D supplements; and they had been on dialysis for an average of 65.6 months (range: 13-188 months).
(6) The neurotransmitter alterations which accompany aluminum neurofibrillary degeneration were examined in order to assess how closely they mimic those of Alzheimer's disease.
(7) Children with renal failure, on aluminum supplementation, should be carefully monitored for toxicity.
(8) From the existing data, 2 g deferoxamine administration intraperitoneally three times per week in the overnight exchange appears to provide the maximum aluminum removal for minimum deferoxamine dosage.
(9) After exposure to 400 microM aluminum lactate and removal of unbound aluminum, human cytoskeletal proteins were degraded two- to threefold more slowly by calpain.
(10) BDF1 mice were immunized with a protein antigen, such as ovalbumin (OA) or keyhole limpet hemocyanin (KLH), absorbed to aluminum hydroxide gel, and their spleen cells were stimulated by homologous antigen for the formation of glycosylation-enhancing factor (GEF).
(11) Chronic dietary deficiency of calcium (Ca) and magnesium (Mg) with excessive intake of aluminum (Al) and manganese (Mn) has been implicated in the pathogenesis of high incidence amyotrophic lateral sclerosis (ALS) in the Western Pacific.
(12) The growth plates did not increase in width despite the presence of osteomalacia and histologic evidence of extensive deposition of aluminum in bone.
(13) The monovalent serovar C aluminum-hydroxide-gel vaccine also gave significant protection (94%) against a serovar C challenge.
(14) Two different prototypes of columella materials made from aluminum oxide ceramics were newly designed by the author for ossicular reconstruction.
(15) The trienone XIII was subsequently epoxidised with alkaline hydrogen peroxide and m-chloroperbenzoic acid to give diepoxide XV which was reduced with aluminum amalgam to the final product V.
(16) To test the technique, a feasibility study was performed with known thicknesses of aluminum (simulating bone), lucite (simulating tissue), and polyethylene (simulating fat).
(17) The dissolution t50 and various pharmacokinetic parameters showed directly compressible starch and carboxymethylstarch to be the most effective disintegrants in the concentrations employed while magnesium aluminum silicate and microcrystalline cellulose were about equal but less effective than the previous disintegrants.
(18) when an aluminum plate is imaged, forms the basic Q.C.
(19) The effect of aluminum phosphate on the bioavailability of ranitidine has been investigated in 10 young, healthy volunteers.
(20) Furthermore, a Gh.PLC complex can be induced by incubation with aluminum fluoride in a detergent solution and partially purified without the dissociation of related proteins.