(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.
Chlorite
Definition:
(n.) The name of a group of minerals, usually of a green color and micaceous to granular in structure. They are hydrous silicates of alumina, iron, and magnesia.
(n.) Any salt of chlorous acid; as, chlorite of sodium.
Example Sentences:
(1) Chlorine dioxide disproportionation products, chlorite and chlorate, were not active disinfectants.
(2) The chlorite product of horseradish peroxidase, compound X, is shown by magnetic circular dichroism (MCD) spectroscopy in the temperature range 1.6-50 K to have a very similar haem structure to compound II under the same conditions (pH 10.7).
(3) Potassium bromate, sodium chlorite and sodium dehydroacetate were tested further by oral administration, and potassium bromate showed a clearly positive result.
(4) These observations indicate that Compound X is the halogenating intermediate in the chlorite reaction and that the rate of enzymatic chlorination is directly related to the stability of Compound X.
(5) Long-Evans rats, 4-6 weeks of age, were given access to 0, 1, 10, or 100 ppm sodium chlorite in deionized water ad libitum as drinking water.
(6) Previous studies have shown that chlorite serves as a halogenation substrate for horseradish peroxidase.
(7) COAM (chlorite-oxidized oxyamylose), zymosan, glucan, Salmonella enteritidis 11RX and Listeria monocytogenes were found to protect mice against subsequent infection with Babesia microti, an intra-erythrocytic protozoan parasite.
(8) A chlorite-derived chlorine atom is known to be retained by compound X and has been proposed to be located at the heme active site.
(9) Peptide bonds were chlorinated with hypochlorite and the N-chlorite formed was allowed to react with thiamine to give fluorescent thiochrome.
(10) Chlorite-oxidized amylose (COAM), when given intraperitoneally to mice and to cats, increased the titer of serum interferon subsequently induced by polyinosinic.polycytidylic acid (In.Cn).
(11) New methods for the identification of sodium chlorite and sodium hypochlorite were proposed.
(12) An alternative to chlorination which does not generate THM during disinfection is chlorine dioxide, but there are concerns about the acute and chronic toxicity of ClO2 and its disinfection by-products, chlorite and chlorate.
(13) A significant increase in the percentage of abnormal sperm morphology (P less than 0.001) and decrease in sperm direct progressive movement (P less than 0.01) were observed for adult males at chlorite levels of 100 or 500 ppm.
(14) The primary products resulting from ClO2 disinfection of surface waters are chlorite (ClO2-) and chlorates (ClO3-).
(15) A water-soluble L-arabino-D-xylan, obtained from the chlorite holocellulose of de-lipidated, de-starched, and de-pectinated rye bran by ammoniacal extraction, was composed of L-Ara and D-Xyl in the molar ratio 7.8:10 and had Mw 36,500 and Mn 26,950.
(16) The cytological method uses a periodic acid-chlorite treatment of thin sections to increase the affinity of IPS for uranyl and lead salts.
(17) Spermatotoxic effects of chlordimeform were equivocal while p,p'-DDT, n-hexane, and sodium chlorite were judged negative.
(18) However, trading standards tests on the liquid found it was a 28% solution of sodium chlorite, equivalent to industrial-strength bleach.
(19) Other common mineral phases included chlorite, platy serpentine, pyrophyllitem mica, and carbonate minerals.
(20) Decreases in serum T3 and T4 were observed on Postnatal Days 21 and 40 in male and female pups exposed to 100 ppm chlorite or above.