(1) In this study, a potassium nitrate-polycarboxylate cement was used as a liner and was found clinically to tend to preserve pulpal vitality and significantly eliminate or decrease postoperative pain.
(2) Carbopol-940 gels, being the best of those used, were studied further for the effect of its concentration and of additives (benzalkonium chloride, phenylmercuric nitrate, chlorbutol and disodium edetate), autoclaving at 121 degrees C for 30 min and irradiation with gamma rays (2.5 Mrad), on the end product.
(3) The narX gene product may be involved in sensing nitrate and phosphorylating NARL.
(4) A new long-acting nitrate, Isomak R (forte), has been shown to be an effective antianginal drug; it increases physical stress tolerance, prevents attacks of angina of effort or angina at rest, significantly decreases pulmonary arterial occlusion pressure, peripheral arterial pressure and total peripheral resistance.
(5) The calculated daily intake of NO3- is significantly increased by drinking water nitrate content.
(6) Pharmacologic modulations of ATECD by isosorbide dinitrate (ISDN) + 2-isosorbide mononitrate (2-ISMN) + 5-isosorbide mononitrate (5-ISMN) were investigated under experimental conditions reflecting either an acute nitrate effect (platelet + control ECs + drug + ADP) or a chronic effect (platelet + 5-day nitrate-treated ECs + ADP).
(7) Nitrate reductase activity in the mice fed the fibre-free diet did not markedly alter with age.
(8) Although gallium nitrate inhibited cell growth in Tf-free medium, cellular proliferation was restored by Fe-NTA.
(9) However, neither nitration with tetranitromethane of one of the nine tyrosine residues nor Nlm-ethoxyformylation of two of the four histidine residues caused any change in hemolytic activity.
(10) Most of the patients with hypotension were taking nitrates.
(11) Nitrate measures for private water sources were obtained by testing the wells individually at the existing residences.
(12) The nitrate metabolites showed sustained plasma profiles which can be explained by a slow release of GTN with subsequent complete first-pass denitration.
(13) Paracoccus (Micrococcus) denitrificans and Escherichia coli oxidizing succinate rapidly ceased to reduce nitrate when oxygen was available, and equally rapidly commenced nitrate reduction when all the oxygen had been consumed.
(14) Lanthanum nitrate used in this investigations is a valuable marker of the intercellular spaces.
(15) Orotic acid inhibited, dose-dependently DNA synthesis in hepatocytes induced by epidermal growth factor, transforming growth factor alpha, hepatocyte growth factor, acidic fibroblast growth factor, or plasma from rats exposed to various liver cell-proliferative stimuli, such as two-thirds partial hepatectomy, lead nitrate, cyproterone acetate, ethylene dibromide, or a diet deficient in choline.
(16) It is suggested that the atmosphere of Athens favours the formation of secondary direct-acting mutagens due to the oxidation and nitration of PAH by ozone and nitrogen oxides, which are more abundant in the late spring months.
(17) Among other evidence against the classical theory for the mechanism of chlorate toxicity, is the finding that not all mutants lacking nitrate reductase are clorate resistant.
(18) Since no evaluation of the relative merits of electro and chemical cautery has been reported, a prospective randomized study was conducted to assess the effectiveness of electro-cautery and cautery with silver nitrate.
(19) Total bacterial counts, nitrate-reducing bacteria and nitrite concentration were determined in fasting gastric juice before and after 4 weeks of treatment with a strong or with a mild antacid drug, a placebo preparation and the spasmolytic agent papaverine which is known to inhibit gastric evacuation.
(20) The effect of ammonia is partially reversed by nitrate.
Nitrify
Definition:
(v. t.) To combine or impregnate with nitrogen; to convert, by oxidation, into nitrous or nitric acid; to subject to, or produce by, nitrification.
Example Sentences:
(1) The influence of salt mixtures consisting of Ca(H2PO4)2, trace elements, CaSO4, CaCO3, Na2CO3, NaCl and K2SO4 in different combinations on the nitrifying power, evolution of carbon dioxide and the total number of bacteria was studied in arid soils (sandy and alluvial) and semi-humid ones (chernozem and rendzina).
(2) However, nitrification is a cause of significant errors in measuring BOD, particularly when a large population of nitrifying organisms are existing in water such as effluents from biological treatment plants.
(3) The abundance of nitrifying bacteria, determined by most-probable-number procedures, within habitats of the Passaic River was as follows: rooted aquatic plants greater than algae approximately equal to rocks greater than sediments greater than greater than water.
(4) Extracts of the hyphae of a nitrifying strain of Aspergillus flavus formed nitrite and nitrate from 3-nitropropionate.
(5) The effects of two herbicides, Sencor and Goltix, on nitrification in two soils were studied using a mixed culture of nitrifying bacteria.
(6) Concentrated pine bark tannins, similar in origin to those in effluents at the well-nitrifying chipmill site, were tested for toxicity to pure cultures of nitrifying bacteria.
(7) The counts of nitrifying bacteria also increased whereas those of desulfurizers remained non-affected.
(8) Three bacteria, two of which were previously noted as active heterotrophic nitrifiers, were examined for their ability to grow and nitrify with the siderophore deferrioxamine B as the carbon source.
(9) Pseudomonas aureofaciens displayed limited growth and nitrification while a heterotrophic nitrifying Alcaligenes sp.
(10) This is the first description of thermophilic nitrifying bacteria belonging to the genus Nitrosomonas.
(11) Enrichment cultures of nitrifying microorganisms were obtained from all sites using NH4+ as a source of energy, but enrichments for nitrite oxidizers were unsuccessful.
(12) Nitrifying bacteria were detected in 64% of samples collected from five chloraminated water supplies in South Australia and in 20.7% of samples that contained more than 5.0 mg of monochloramine per liter.
(13) Various heterotrophic nitrifiers have been tested and found to also be aerobic denitrifiers.
(14) Nitrite and hydroxylamine reductases were found in both nitrifying bacteria, and optimum activity for each enzyme was obtained with NADH or NADPH with either FMN or FAD.
(15) Thiosphaera pantotropha thus is similar to other heterotrophic nitrifiers-denitrifiers in that it conserves energy while denitrifying but has not been observed to do so when heterotrophically nitrifying.
(16) Nitrifying bacteria were found to be widely distributed among the products of the weathering crust of ultrabasite rocks.
(17) At higher levels of NH4-N additions, ammonium as sulphate nitrified faster than as nitrate, especially in the high concentrations of NH4-N. Nitrite was detected in small amounts of less than 10 ppm in some soils, particularly in the coarse-textured ones, regardless of the type and amount of the fertilizer applied.
(18) Laboratory experiments confirmed that nitrifying bacteria are relatively resistant to the disinfectant.
(19) We have investigated the substrate specificity of ammonia monooxygenase in whole cells of the nitrifying bacterium Nitrosomonas europaea for a number of aliphatic halogenated hydrocarbons.
(20) The examination of proton translocation of four different bacterial nitrifiers capable of pyruvic oxime [(PO), CH3-C(NOH)-COOH] nitrification and by an NH4+ oxidizing Arthrobacter sp.