(n.) A compound formed by the union of water with some other substance, generally forming a neutral body, as certain crystallized salts.
(n.) A substance which does not contain water as such, but has its constituents (hydrogen, oxygen, hydroxyl) so arranged that water may be eliminated; hence, a derivative of, or compound with, hydroxyl; hydroxide; as, ethyl hydrate, or common alcohol; calcium hydrate, or slaked lime.
(v. t.) To form into a hydrate; to combine with water.
Example Sentences:
(1) The radius is estimated to be around 1.7 nm, which shows a moderate degree of hydration.
(2) Over the course of 26-40 h the Na- and water-loaded cells returned to a normal state of hydration as judged by their density.
(3) In the present experiments, single unit recording and microiontophoretic techniques were used to determine the effects of benzodiazepines on DA and non-DA neurons in the VTA of chloral hydrate anesthetized rats.
(4) The effects of clozapine on the spontaneous firing rate of noradrenergic (NE, locus coeruleus), dopaminergic (DA, zona compacta, ventral tegmental area) and non-dopaminergic (zona reticulata) neurons was studied in chloral hydrate anesthetized rats.
(5) We have previously shown that, with moderate hydration (2.5 L) of the recipient, together with rapid infusion of 250 ml of mannitol 20% just before clamp removal, the incidence of ARF decreased to below 10%.
(6) In mixtures of DOMGDG and dioleoyldiglycosyldiglyceride (DODGDG), the formation of an III (or HII) phase is enhanced by DOMGDG and low hydration or high temperatures.
(7) A brevibacterium, strain TH-4, previously isolated by aerobic enrichment on the monocyclic monoterpenoid cis-terpin hydrate as a sole carbon and energy source, was found to grow on alpha-terpineol and on a number of common sugars and organic acids.
(8) The poly(dG-dC) helical duplex forms a modified, B-family structure (B*) at very high hydration and a normal B structure at slightly lower hydration.
(9) True Love Impulse Body Spray, Simple Kind to Skin Hydrating Light Moisturiser and VO5 Styling Mousse Extra Body marked double-digit price rises on average across the four chains.
(10) The effect of rat brain natriuretic peptide (BNP) on drinking behaviour was examined in dehydrated and well-hydrated rats.
(11) The influence of degree of hydration of the monolayers and their spontaneous curvature on conditions of monolayer fusion have been analysed.
(12) More than half of carers said they were neglecting their own diet as a result of their caring responsibilities, while some said they were eating the wrong things because of the stress they are under and more than half said they had experienced problems with diet and hydration.
(13) (2) Highly aneuploid and polyploid types were induced in diploid and haploid germinating conidia by chloral hydrate but not to any significant extent by gamma-rays.
(14) To investigate the physical state of water in hydrating biological macro-molecules, the dielectric properties of water in hen egg lysozyme pellets with various moisture contents were studied using the thermally stimulated depolarisation currents technique.
(15) Respiration frequency increased during exposure to 35 (four birds) and 40 degrees C (six birds) in the normally hydrated quail, while in the dehydrated quail, respiration frequency increased only in three birds during exposure to 35 degrees C, and four birds during exposure to 40 degrees C, the frequencies were lower during dehydration.
(16) When the mice were anesthetized with chloral hydrate prior to preparation of tissue slices, morphine produced a dose-dependent suppression of noradrenergic neuronal activity.
(17) The conformational similarity between tubules, sheets, and the dry powder is corroborated by calorimetry, which reveals a cooling exotherm at the same temperature where tubules form upon cooling hydrated sheets.
(18) Since deglycosylation decreases the frictional ratio of thyroxine binding globulin, it is concluded that, although sialic acid and other sugar residues are in contact with the protein surface, the hydrated carbohydrate chains protrude partially into the solvent.
(19) Our irradiation results are consistent with the hypothesis that the G value for the first 12-15 water molecules of the DNA hydration layer is the same as the G value for the form of DNA to which it is bound (i.e., the pseudo-C or the B form).
(20) The most significant factor affecting the elasticity was the state of hydration of the fascia.
Hydroxide
Definition:
(n.) A hydrate; a substance containing hydrogen and oxygen, made by combining water with an oxide, and yielding water by elimination. The hydroxides are regarded as compounds of hydroxyl, united usually with basic element or radical; as, calcium hydroxide ethyl hydroxide.
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) Examination on day 9 and 15 the magaldrate group showed significantly (p less than 0.05) lower aluminium levels than the aluminium hydroxide group.
(3) A model for the binuclear iron center of ribonucleotide reductase is presented in which the hydroxide ligand sites provide an explanation for the half-of-sites reactivity of the enzyme.
(4) The purpose of this study was to evaluate bone reactions to implants of hydroxyapatite, collagen, and calcium hydroxide, alone or in different combinations.
(5) 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).
(6) A high-performance liquid chromatographic assay for the quantitative determination of azatadine and a base (1 M sodium hydroxide) hydrolyzable conjugate of azatadine in human urine has been developed.
(7) Equivalent neutralising doses of magnesium hydroxide (pH 9-4) did not increase serum gastrin and gastric acid output above basal levels, whereas antral acidification with 20 ml 0-1 N HCl resulted in a slight decrease in serum gastrin.
(8) The monovalent serovar C aluminum-hydroxide-gel vaccine also gave significant protection (94%) against a serovar C challenge.
(9) Phenol sulfotransferase activity is often measured by incubating dopamine with a source of the enzyme and the sulfate donor 35S-3'-phosphoadensine-5'-phosphosulfate and then separating the product, 35S-dopamine sulfate, from the substrates using precipitation with barium hydroxide and zinc sulfate.
(10) 4 The results indicate that co-administration of aluminum hydroxide reduces the bioavailability of oral diflusinal by about 40%.
(11) When examined microscopically with potassium hydroxide, the agents of these disorders resemble those of dermatophytosis, showing narrow, septate, branching hyphae.
(12) The aluminum hydroxide gel precipitated from aluminum chloride can be represented by the formula Al(OH)2.55(Cl)0.45 and probably exists as a polymer of 10 fused six-membered rings.
(13) Methylation of 2-hydroxyestrone was possible after dissolving the compound in methyl iodide-methylene chloride with tetrahexylammonium hydroxide present, before the addition of sodium hydroxide.
(14) The absorption of factor VIII from gel filtration fractions, concentrates and plasma by aluminium hydroxide has been studied.
(15) The non-carcinogens chosen were 4-nitro-o-phenylenediamine, p-phenylenediamine dihydrochloride, 3-nitropropionic acid, dichlorvos, 2-(chloromethyl)pyridine, N-(1-naphthyl)ethylenediamine 2HCl, O-anthranilic acid, 4-nitroanthranilic acid, anilazine and triphenyltin hydroxide.
(16) After 8 weeks of treatment either potassium as hydrochloride 1 g twice daily, or a combination of potassium hydrochloride 1 g and magnesium hydroxide 500 mg twice daily was added to the diuretic therapy in a randomised, double-blind, cross-over design.
(17) 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.
(18) Kinetics for the reactions of various cytosine and uracil nucleosides and their alkyl derivatives with aqueous sodium hydroxide have been studied by liquid chromatography.
(19) This derivative is prepared by a sequential alkylation procedure in which the phenolic hydroxyl group of the parent compound is alkylated off-column with heptyl iodide and the amide group is derivatized on-column by reaction with trimethylanilinium hydroxide.
(20) A rapid, mild, and convenient transesterification of triglycerides was obtained using 0.2 N-methanolic (m-trifluoro-methylphenyl) trimethylammonium hydroxide.