(n.) One of the earths, consisting of two parts of aluminium and three of oxygen, Al2O3.
Example Sentences:
(1) ASF-II was purified to apparent homogeneity by using concanavalin A-agarose affinity chromatography, DEAE-cellulose chromatography, alumina gel adsorption, and isoelectric focussing techniques.
(2) The free nucleoside IV was obtained by removal of blocking groups by sodium methoxide catalyzed deacylation, deionization under reducing atmosphere, and chromatography on neutral alumina.
(3) Breath was passed through a cooled loop of alumina to adsorb, concentrate, and release, on heating, pentane.
(4) After catecholamines are adsorbed on alumina, the amino groups not responsible for adsorption are dansylated by a solid-phase reaction.
(5) Subarachnoid alumina may be a good model for human arachnoiditis.
(6) However, ascorbic acid, a potent antioxidant, is extracted with the catecholamines onto the alumina and prevents such destruction.
(7) Sporulating cells of Bacillus sphaericus 9602 containing fully engulfed forespores at different stages of maturity were broken by ultrasonic disruption, followed by grinding with alumina.
(8) Alumina, Kieselguhr and various grades of silica gel have been tested as supports.
(9) From the unsaponifiable fraction (63 g) of linseed oil (25 kg), two terpenic alcohols were isolated by alumina column, thin-layer, and gas-liquid chromatography.
(10) The salient elements of the methods are extraction of the residues as the free amine with benzene, rapid cleanup on an alumina column, and quantification of the free amine in methanol via SPF.
(11) Aluminas, silicas and aluminosilicates were evaluated for their ability to sorb radiolabeled aflatoxin B1 (AFB1) from aqueous solution (in vitro).
(12) In the current research, the average coefficient of kinetic friction for the stainless steel couple (0.139) was less than that for the stainless steel arch wire against a polycrystalline alumina bracket (0.174).
(13) The method entails blender extraction of 10 g liver with ethyl acetate, column chromatography through Sephadex LH-20 and neutral alumina, and LC analysis on a C18 column with UV detection at 260 nm.
(14) Dry ground feed is Soxhlet extracted with hexane and passed through a 2% deactivated alumina column for initial cleanup.
(15) Increasing the amount of alumina proportionally increased composite strength.
(16) Condensation of 1,2,3,4,6-penta-O-acetyl-beta-D-galactopyranose with benzyl 2-azido-4,6-di-O-benzyl-2-deoxy-beta-D-galactopyranoside in the presence of trimethylsilyl triflate gave crystalline benzyl 2-azido-4,6-di-O-benzyl-2-deoxy-3-O-(2,3,4,6-tetra-O-acetyl-beta-D-ga lactopyranosyl)-beta-D-galactopyranoside (76%), which was converted into benzyl 2-azido-4,6-di-O-benzyl-2-deoxy-3-O-(2,6-di-O-benzyl-beta-D-galactopy ranosyl)-beta-D-galactopyranoside and condensed with 3,4,6-tri-O-acetyl-2-azido-2-deoxy-alpha-D-galactopyranosyl bromide in the presence of silver silicate on alumina and molecular sieve 4 A to give 61% of benzyl O-(3,4,6-tri-O-acetyl-2-azido-2-deoxy-beta-D-galactopyranosyl)-(1----4)- O-(2,6-di- O-benzyl-beta-D-galactopyranosyl)-(1----3)-2-azido-4,6-di-O-benzyl-2-deo xy- beta-D-galactopyranoside.
(17) However, these compounds were not recoverable using the alumina column method, so no comparisons between the two methods were possible.
(18) The cementless alumina total knee prosthesis, which uses alumina in the portions coming in contact with the bone and a combination of alumina and ultra-high molecular-weight polyethylene (UHMWPE) in the sliding portions, is referred to as a total condylar.
(19) In the monkey with an alumina focus in the primary motor area, proprioceptive afferents are crucial in triggering or modulating seizures.
(20) This study, a 4-month follow-up period of a 12-month treatment study by the present authors, was concerned with the permanent effects of treatment with diphenylhydantoin and phenobarbital in the alumina-gel monkey model.
Aluminate
Definition:
(n.) A compound formed from the hydrate of aluminium by the substitution of a metal for the hydrogen.
Example Sentences:
(1) Fertility (fertile eggs per 100 set) and hatchability (live chicks per 100 fertile eggs) were both nil in the borate-treated hens, compared with 57 and 95 and 59 and 100 for the control and aluminate-treated hens, respectively.
(2) Under four loading conditions, the tensile stress distributions on the ceramics crown were analyzed to evaluate the relations between three kinds of ceramics crown, which were an aluminous porcelain jacket crown, a feldspathic porcelain jacket crown and an Olympus castable ceramics (O.C.C.)
(3) In contrast, no bone was seen within the pores of any of the calcium aluminate implants.
(4) The specimens consisted of four groups of a basic calcium aluminate composition with additions of 5, 10, 15 and 20 wt% phosphorous pentoxide (P2O5).
(5) A significantly higher absorption was observed from the colloidal bismuth subcitrate (0.042% of the dose) and the basic bismuth gallate (0.038%) than from the basic bismuth salicylate, nitrate, and aluminate (0.005-0.002%).
(6) Implantation of 0.172 to 0.332 g porous resorbable calcium aluminate ceramic was not toxic to the animal.
(7) The Kindt clamp was manufactured from AISI 301 stainless steel with a silicate-aluminized outer coating.
(8) A macroporous silica - silochrom - used for immobilization and purification of biopolymers was modified by dehydroxylation and alumination.
(9) This study demonstrated that quantitative fractography can be used to study failed aluminous and glass-ceramic central porcelains.
(10) Materials responding to the demands of biocompatibility are certain forms of porcelain, vitrified carbon, titanium, calcium aluminate.
(11) In aqueous solutions there are only two main Al(III) species: the hexahydrate Al3+ at pH < 5.5 and the tetrahedral aluminate at pH > 6.2.
(12) The values were 0.91, 0.91, 0.86 and 0.86, 0.74, 0.89 for the control and aluminate groups, respectively.
(13) The initial steps in the separation of catecholamines were performed by alumine, a weak cation-exchange resin, and thin-layer chromatographic techniques.
(14) Aluminous porcelains had lower transparency with different refractive index due to generation of crystals following the crystallization of glass matrix than that without crystallizing property.
(15) A translucent aluminous porcelain was developed for dentistry.
(16) The paste was found to be more effective for aluminous porcelains than for an inlay ceramic, although only when applied to the surface placed in tension.
(17) A method has been evolved for bonding aluminous porcelain to pure platinum foil used for making porcelain crowns by the conventional 'tinner's joint' technique.
(18) Amino acid activation by anhydride formation in model tetrahedral silicate and aluminate sites in clays and neutral phosphates have been studied by semi-empirical molecular orbital calculations.
(19) An antimicrobial effect was recorded also in aluminous plates disturbed by disinfection.
(20) Groups of six hens were fed on either a control diet, or the control diet plus 15 g kg-1 of either sodium metaborate or sodium meta-aluminate.