(n.) A nitro derivative of methane obtained as a mobile liquid; -- called also nitrocarbol.
Example Sentences:
(1) Nitromethane (NM) and 2-nitropropane (2-NP) and versatile compounds employed in a wide variety of industrial applications, thus providing ample opportunity for occupational exposure.
(2) The bound FAD and Fe3+ are reduced by the addition of nitromethane, which is not a substrate, under anaerobic conditions.
(3) Subsequent O-methylation, O-deacetylation, and condensation with nitromethane afforded the appropriate beta-glycoside of 3-methoxy-4-(2-nitrovinyl)phenol.
(4) The best yield of beta-linked disaccharide was obtained upon glycosylation by benzobromogalactose in the presence of silver triflate and tetramethylurea in nitromethane.
(5) However, treatment of 2',3'-di-O-acetyl-5'-O-tritylribavirin (11) with 4 under the Bredereck modification of the Koenigs-Knorr reaction (i.e., silver perchlorate and Drierite in nitromethane) and subsequent deacetylation furnished the desired 1-(5-O-beta-D-glucopyranosyl-beta-D-ribofuranosyl)-1,2,4-triazole-3-carb oxamide (13).
(6) The hepatotoxic and mutagenic potentials of 2-nitropropane, nitromethane, and nitroethane were compared.
(7) Trimethylsilyl trifluoromethanesulfonate in nitromethane, however, gave predominantly the alpha anomer.
(8) Metabolic effects of in vivo administration of nitromethane, a histidase inhibitor, were studied in the rat.
(9) Liver histidase activity was decreased about 78 percent after nitromethane administration, and the rate of in vivo CO2 production from histidine was also depressed.
(10) In addition to 2-nitropropane, 1-nitropropane and nitroethane are oxidatively dentrified by the enzyme, but nitromethane is inert to the enzyme.
(11) They are low-spin hexacoordinated myoglobin or hemoglobin complexes, as shown by the resonance Raman spectrum of the nitromethane-derived human hemoglobin complex which is similar to those of the known hemoglobin complexes with O2, CO, NO and nitrosobenzene.
(12) The quenching of the etheno group by nitromethane was, however, unaffected by the binding of S-1 to actin.
(13) The condensation of no-carrier-added or carrier-added [11C]nitromethane with D-arabinose to form the intermediate epimeric [1-11C]D-nitro alcohols (I and II) was investigated under various conditions.
(14) The cocktails showed higher backgrounds, lower unquenched efficiencies, and greater quench resistance to nitromethane than a reference toluene based preparation.
(15) When nitromethane was added to plasma, the apparent creatinine measured was linearly related to the amount of nitromethane added.
(16) We have observed that high SOD-like function (decomposition of superoxide anion) was observed for several iron(III) compounds with tripodal ligands and several oxovanadium(IV) compounds, and also that these compounds exhibit high catalytic activity for oxidative cleavage of 3,5-di-tert-butylcatechol in non-donating solvents such as dichloromethane or nitromethane.
(17) Different doses of benzo(a)pyrene, cigarette smoke condensate (CSC) and its nitromethane fraction (NMF), in wax pellets, were directly implanted into the lungs of Syrian golden hamsters.
(18) Condensation of methyl 3-O-(2-acetamido-4,6-O-benzylidene-2-deoxy-beta-D- glucopyranosyl)-2,4,6-tri-O-benzyl-beta-D-galactopyranoside with 3-O-(2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-beta-D-glucopyranosyl)-2,4,6 -tri-O-acetyl-alpha-D-galactopyranosyl bromide in 1:1 benzene-nitromethane in the presence of powdered mercuric cyanide gave a fully-protected tetrasaccharide derivative, which was O-deacetylated and then subjected to catalytic hydrogenation to furnish methyl O-(2-acetamido-2-deoxy-beta-D-glucopyranosyl)-(1----3)-O-beta- D-galactopyranosyl-(1----3)-O-(2-acetamido-2-deoxy-beta-D-glucopyranosyl )- (1----3)-beta-D-galactopyranoside (15).
(19) Rates of enzyme degradation in the two strains, measured by recovery of activity after irreversible inhibition with nitromethane, were the same.
(20) The on-line synthesis of 1-11C-labelled nitroalkanes [nitromethane (I), nitroethane (II) and nitropropane (III)], from their corresponding 1-11C-labelled alkyl iodides, by use of a heated silver nitrite column is described.
Organic
Definition:
(a.) Of or pertaining to an organ or its functions, or to objects composed of organs; consisting of organs, or containing them; as, the organic structure of animals and plants; exhibiting characters peculiar to living organisms; as, organic bodies, organic life, organic remains. Cf. Inorganic.
(a.) Produced by the organs; as, organic pleasure.
(a.) Instrumental; acting as instruments of nature or of art to a certain destined function or end.
(a.) Forming a whole composed of organs. Hence: Of or pertaining to a system of organs; inherent in, or resulting from, a certain organization; as, an organic government; his love of truth was not inculcated, but organic.
(a.) Pertaining to, or denoting, any one of the large series of substances which, in nature or origin, are connected with vital processes, and include many substances of artificial production which may or may not occur in animals or plants; -- contrasted with inorganic.
Example Sentences:
(1) The high amino acid levels in the cells suggest that these cells act as inter-organ transporters and reservoirs of amino acids, they have a different role in their handling and metabolism from those of mammals.
(2) These organic compounds were found to be stable on the sorbent tubes for at least seven days.
(3) The main clinical features pertaining to the concept of the "psycho-organic syndrome" (POS) were investigated in a sample of children who suffered from severe craniocerebral trauma.
(4) After 3 and 6 months, blood collected by cardiocentesis using ether anesthesia and then sacrificed to remove CNS and internal organs.
(5) Addition of phospholipase A2 from Vipera russelli venom led to a significant increase in the activity of guanylate cyclase in various rat organs.
(6) For the first time it was organized on the basis of population.
(7) Acceptance of less than ideal donors is ill-advised even though rejection of such donors conflicts with the current shortage of organs.
(8) There is no evidence that health-maintenance organizations reduce admissions in discretionary or "unnecessary" categories; instead, the data suggest lower admission rates across the board.
(9) We conclude that chloramphenicol resistance encoded by Tn1696 is due to a permeability barrier and hypothesize that the gene from P. aeruginosa may share a common ancestral origin with these genes from other gram-negative organisms.
(10) Recovery of CV-3988 from plasma averaged 81.7% for the column procedure and 40% for the organic extraction.
(11) One of the main users is coastal planning organizations and conservation organizations that are working on coral reefs.
(12) Infection with opportunistic organisms, either singly or in combination, is known to occur in immunocompromised patients.
(13) The causative organisms included viruses, fungi, and bacteria of both high and low pathogenicity.
(14) A chronic cannulation procedure is described which allows for sampling vomeronasal organ (VNO) contents repeatedly in freely moving conscious subjects.
(15) Neither Brucella organisms, nor increased numbers of neutrophils could be found in semen samples collected from the experimental animals.
(16) The lineage and clonality of Hodgkin's disease (HD) were investigated by analyzing the organization of the immunoglobulin and T-cell receptor beta-chain (T beta) gene loci in 18 cases of HD, and for comparison, in a panel of 103 cases of B- and T-cell non-Hodgkin's lymphomas (NHLs) and lymphoid leukemias (LLs).
(17) A review is made from literature and an inventory of psychological and organic factors implicated in this pathology.
(18) The authors conclude that H. pylori alone causes little or no effect on an intact gastric mucosa in the rat, that either intact organisms or bacteria-free filtrates cause similar prolongation and delayed healing of pre-existing ulcers with active chronic inflammation, and that the presence of predisposing factors leading to disruption of gastric mucosal integrity may be required for the H. pylori enhancement of inflammation and tissue damage in the stomach.
(19) Data is available to support the early influences of enamel organ epithelium upon a responding mesenchyme in the determination of dental morphogenetic fields (Dryburg, 1967; Miller, 1969).
(20) The four deaths were not related to the injuries of parenchymatous organs.