(n.) A miniature representation of a thing, with the several parts in due proportion; sometimes, a facsimile of the same size.
(n.) Something intended to serve, or that may serve, as a pattern of something to be made; a material representation or embodiment of an ideal; sometimes, a drawing; a plan; as, the clay model of a sculpture; the inventor's model of a machine.
(n.) Anything which serves, or may serve, as an example for imitation; as, a government formed on the model of the American constitution; a model of eloquence, virtue, or behavior.
(n.) That by which a thing is to be measured; standard.
(n.) Any copy, or resemblance, more or less exact.
(n.) A person who poses as a pattern to an artist.
(a.) Suitable to be taken as a model or pattern; as, a model house; a model husband.
(v. t.) To plan or form after a pattern; to form in model; to form a model or pattern for; to shape; to mold; to fashion; as, to model a house or a government; to model an edifice according to the plan delineated.
(v. i.) To make a copy or a pattern; to design or imitate forms; as, to model in wax.
Example Sentences:
(1) These variants may serve as useful gene markers in alcohol research involving animal model studies with inbred strains in mice.
(2) Therefore, these findings may extend the use of platelets as neuronal models.
(3) Models able to describe the events of cellular growth and division and the dynamics of cell populations are useful for the understanding of functional control mechanisms and for the theoretical support for automated analysis of flow cytometric data and of cell volume distributions.
(4) The testing of other models and their failure to describe the kinetic observations are discussed.
(5) The extreme quenching of the dioxetane chemiluminescence by both microsomes and phosphatidylcholine, as a model phospholipid, implies that despite the low quantum yield (approx.
(6) The results of our microscopic model confirm that the continuum hypothesis used in our previous macroscopic model is reasonable.
(7) To examine the central nervous system regulation of duodenal bicarbonate secretion, an animal model was developed that allowed cerebroventricular and intravenous injections as well as collection of duodenal perfusates in awake, freely moving rats.
(8) The anticonvulsant properties of the endogenous excitatory amino acid antagonist, kynurenic acid (KYA), were studied in prepubescent and adult rats using the amygdaloid kindling model of epilepsy.
(9) Decreased MU stops additions of bone by modeling and increases removal of bone next to marrow by remodeling.
(10) Because of the dearth of epidemiological clues as to causation, studies with experimental animal models assume greater importance.
(11) The models are applied to estimate the demand for tobacco products in Finland.
(12) The effects of in vivo administration of native prostaglandin E2 (PGE) on the cycling status of the granulocyte-monocyte progenitor cell (CFU-GM) were examined in a mouse model.
(13) Mutational mosaicism was used as a developmental model to analyze 1,500 sporadic and 179 familial cases of retinoblastoma from the world literature.
(14) Time-series analysis and multiple-regression modeling procedures were used to characterize changes in the overall incidence rate over the study period and to describe the contribution of additional measures to the dynamics of the incidence rates.
(15) The disassembly of the synthetase complex is consistent with the structural model of a heterotypic multienzyme complex and suggests that the complex formation is due to the specific intermolecular interactions among the synthetases.
(16) Brown's model, which goes far further than those from any other senior Labour figure, and the modest new income tax powers for Holyrood devised when he was prime minister, edge the party much closer to the quasi-federal plans championed by the Liberal Democrats.
(17) It is concluded that in the mouse model the ability of buspirone to reduce the aversive response to a brightly illuminated area may reflect an anxiolytic action, that the dorsal raphe nucleus may be an important locus of action, and that the effects of buspirone may reflect an interaction at 5-hydroxytryptamine receptors.
(18) An experimental autoimmune model of nerve growth factor (NGF) deprivation has been used to assess the role of NGF in the development of various cell types in the nervous system.
(19) The data for the eubacterial ribosomes are in full agreement with the model of the 50S protein topography derived from immunological data.
(20) We present a mathematical model that is suitable to reconcile this apparent contradiction in the interpretation of the epidemiological data: the observed parallel time series for the spread of AIDS in groups with different risk of infection can be realized by computer simulation, if one assumes that the outbreak of full-blown AIDS only occurs if HIV and a certain infectious coagent (cofactor) CO are present.
Nitromethane
Definition:
(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.