(n.) A colorless, volatile liquid, H2CO, resembling acetic or ethyl aldehyde, and chemically intermediate between methyl alcohol and formic acid.
Example Sentences:
(1) At the light-microscopic level, adrenergic fibres were identified due to their formaldehyde-induced fluorescence.
(2) Alcohol oxidase and catalase, which catalyse the oxidation of methanol to formaldehyde in Candida boidinii, could be localized within the peroxisomes.
(3) These results suggest that formaldehyde has tumor-promoting activity in carcinogenesis in the glandular stomach.
(4) Colitis was induced in the distal colon by rectal infusion of formaldehyde solution, followed by an intravenous bolus of soluble immune complexes.
(5) The variables tested were: formaldehyde concentration, pH, time, and temperature.
(6) In the scope of our research about the antimicrobial activity of aldehyde-amin-condensates a number of partly new unsymmetrically substituted animals was synthesized by reaction of formaldehyde with different secondary amines.
(7) The fluorescence anisotropy changes observed in A-1 (H1N1) influenza and Sendai parainfluenza viruses in aqueous suspensions when formaldehyde (0.1 to 1.0 p.c.)
(8) Similar results were obtained when hybrid-selected RNA, which had been labeled for 3 h with [3H]uridine, was analyzed on formaldehyde-agarose gels, suggesting that the observed differences were due to splicing rather than RNA stability.
(9) The relative toxicities of formaldehyde and glutaraldehyde to the rat nasal epithelium were determined following intra-nasal instillation of aqueous solutions of these compounds into one nostril of male Fischer 344 (F-344) rats.
(10) When tissue metabolism was irreversibly inhibited by exposure to formaldehyde, hydrogen ion concentration and pCO2 were significantly decreased in the mucosal side of the chamber compared with the viable gall bladder.
(11) Whereas the diagnosis unequivocally could be established by semithin sections the diagnosis was doubtful using material fixed with Bouin's solution and overlooked when the material was fixed with 4% formaldehyde solution.
(12) Key intermediate of the synthesis was 2-formyl-estradiol (2) which was prepared in quantitative yield through reaction of the phenoxymagnesium bromide of estradiol with formaldehyde in the presence of HMPA.
(13) In 139 persons occupationally exposed to compounds of chromium, formaldehyde and p-phenylenediamine lymphocytic transformation test (ltt) was performed to detect a delayed-type hypersensitivity.
(14) Microwave fixation in dilute aldehyde solution has been reported to be superior to fixation in formaldehyde for the preservation of antigens.
(15) Isolated nuclei from green leaf tissue of tomato plants infected with potato spindle tuber viroid (PSTVd) were bound to microscope slides, fixed with formaldehyde and hybridized with biotinylated transcripts of cloned PSTVd cDNA.
(16) Adverse reactions to phenol-formaldehyde resins include depigmentation, irritant dermatitis, chemical burns and allergic contact dermatitis.
(17) The merits of formaldehyde, formaldehyde-glutaraldehyde combinations, and glutaraldehyde in phosphate buffers have been compared as fixatives that will give easy and satisfactory preservation of tissues for routine automated histologic processing and yet keep them suitable for electron microscopical studies after prolonged storage at room temperature.
(18) The optimum hybridization procedure was found to be incubation of serum samples with salt, NaOH, formaldehyde and detergent, followed by spot application of the samples.
(19) A mixture of 4% formaldehyde and 0.5% glutaraldehyde gave the best combination of ultrastructural preservation and retention of enzyme activity.
(20) In second group after thoracotomy the lungs were stabilized with gelatin-resorcin-formaldehyde glue.
Water
Definition:
(n.) The fluid which descends from the clouds in rain, and which forms rivers, lakes, seas, etc.
(n.) A body of water, standing or flowing; a lake, river, or other collection of water.
(n.) Any liquid secretion, humor, or the like, resembling water; esp., the urine.
(n.) A solution in water of a gaseous or readily volatile substance; as, ammonia water.
(n.) The limpidity and luster of a precious stone, especially a diamond; as, a diamond of the first water, that is, perfectly pure and transparent. Hence, of the first water, that is, of the first excellence.
(n.) A wavy, lustrous pattern or decoration such as is imparted to linen, silk, metals, etc. See Water, v. t., 3, Damask, v. t., and Damaskeen.
(v. t.) An addition to the shares representing the capital of a stock company so that the aggregate par value of the shares is increased while their value for investment is diminished, or "diluted."
(v. t.) To wet or supply with water; to moisten; to overflow with water; to irrigate; as, to water land; to water flowers.
(v. t.) To supply with water for drink; to cause or allow to drink; as, to water cattle and horses.
(v. t.) To wet and calender, as cloth, so as to impart to it a lustrous appearance in wavy lines; to diversify with wavelike lines; as, to water silk. Cf. Water, n., 6.
(n.) To add water to (anything), thereby extending the quantity or bulk while reducing the strength or quality; to extend; to dilute; to weaken.
(v. i.) To shed, secrete, or fill with, water or liquid matter; as, his eyes began to water.
(v. i.) To get or take in water; as, the ship put into port to water.
Example Sentences:
(1) These surveys show that campers exposed to mountain stream water are at risk of acquiring giardiasis.
(2) 5-Azacytidine (I) stability was increased approximately 10-fold over its stability in water or lactated Ringer injection by the addition of excess sodium bisulfite and the maintenance of pH approximately 2.5.
(3) And this is the supply of 30% of the state’s fresh water.” To conduct the survey, the state’s water agency dispatches researchers to measure the level of snow manually at 250 separate sites in the Sierra Nevada, Rizzardo said.
(4) We report a case of a sudden death in a SCUBA diver working at a water treatment facility.
(5) We assessed changes in brain water content, as reflected by changes in tissue density, during the early recirculation period following severe forebrain ischemia.
(6) The water is embossed with small waves and it has a chill glassiness which throws light back up at the sky.
(7) The reduction rates of peripheral leukocytes, lung Schiff bases and lung water content were not identical in rats depleted from leukocyte after inhalation injury.
(8) And that, as much as the “on water, operational” considerations, is why we are being kept in the dark.
(9) Excretion of inactive kallikrein again correlated with urine flow rate but the regression relationship between the two variables was different for water-load-induced and frusemide-induced diuresis.
(10) The Hamilton-Wentworth regional health department was asked by one of its municipalities to determine whether the present water supply and sewage disposal methods used in a community without piped water and regional sewage disposal posed a threat to the health of its residents.
(11) Comprehensive regulations are being developed to limit human exposure to contamination in drinking water by the United States Environmental Protection Agency (EPA) under the authority of the Safe Drinking Water Act (SDWA).
(12) Undaunted by the sickening swell of the ocean and wrapped up against the chilly wind, Straneo, of Woods Hole Oceanographic Institution, one of the world's leading oceanographic research centres, continues to take measurements from the waters as the long Arctic dusk falls.
(13) Streaming is shown to occur in water in the focused beams produced by a number of medical pulse-echo devices.
(14) The role of adrenergic agents in augmenting proximal tubular salt and water flux, was studied in a preparation of freshly isolated rabbit renal proximal tubular cells in suspension.
(15) These studies also suggest at least two mechanisms for uric acid reabsorption; one sodium dependent, the other independent of sodium and water transport.
(16) Proposals to increase the tax on high-earning "non-domiciled" residents in Britain were watered down today, after intense lobbying from the business community.
(17) The amount of water, creatinine, electrolytes, proteins, and enzymes were higher during the day (up to three fold, p always less than 0.05), while equal amounts of amino acids were excreted in the day and the night period.
(18) It is especially efficacious in evaluating patients with cystic lesions, especially those with complex cysts not clearly of water density.
(19) 'The only way that child would have drowned in the bath is if you were holding her under the water.'
(20) Changes in regional cerebral blood flow (rCBF) were measured over 254 cortical regions during caloric vestibular stimulation with warm water (44 degrees C).