(n.) A group of individuals ranked together as possessing common characteristics; as, the different classes of society; the educated class; the lower classes.
(n.) A number of students in a school or college, of the same standing, or pursuing the same studies.
(n.) A comprehensive division of animate or inanimate objects, grouped together on account of their common characteristics, in any classification in natural science, and subdivided into orders, families, tribes, genera, etc.
(n.) A set; a kind or description, species or variety.
(n.) One of the sections into which a church or congregation is divided, and which is under the supervision of a class leader.
(n.) To arrange in classes; to classify or refer to some class; as, to class words or passages.
(n.) To divide into classes, as students; to form into, or place in, a class or classes.
(v. i.) To grouped or classed.
Example Sentences:
(1) The interaction of the antibody with both the bacterial and the tissue derived polysialic acids suggests that the conformational epitope critical for the interaction is formed by both classes of compounds.
(2) In dogs, cibenzoline given i.v., had no effects on the slow response systems, probably because of sympathetic nervous system intervention since the class 4 effects of cibenzoline appeared after beta-adrenoceptor blockade.
(3) The populations of Asia-Oceania have some features of the class II RFLPs in common, which are distinctly different from Caucasoids.
(4) The strongest predictor of non-sudden cardiac death was the New York Heart Association functional class.
(5) This modulation results from repetitive, alternating bursts of excitatory and inhibitory postsynaptic potentials, which are caused at least in part by synaptic feedback to the command neurons from identified classes of neurons in the feeding network.
(6) Radioligand binding studies revealed the presence of a single class of high-affinity (Kd = 2-6 X 10(-10) M) binding sites for ET-1 in both cells, although the maximal binding capacity of cardiac receptor was about 6- to 12-fold greater than that of vascular receptor.
(7) Their contour lengths varied from 0.28 to 51 micron, but unlike in the case of maize, a large difference was not observed in the distribution of molecular classes greater than 1.0 micron between N and S cytoplasms of sugar beet.
(8) These sequences are also conserved in the same arrangement in minor sequence classes of minicircles from this strain.
(9) This suggests that Mg2+ accelerated both reactions from a single class of site.
(10) The sensitivity of an indirect fluorescent antibody (IFA) test (screening test) for the detection of antibodies to cytomegalovirus (CMV) was examined by using 128 serum specimens and quaternary aminoethyl (QAE)-Sephadex A50 column chromatography to separate IgM from IgG class antibodies.
(11) The purpose of the present study was to analyze the effects of cromakalim (BRL 34915), a potent drug from a new class of drugs characterized as "K+ channel openers", on the electrical activity of human skeletal muscle.
(12) Antibiotics and anticonvulsants were the two most commonly used drug classes.
(13) The individual classes of drugs are first treated separately to highlight specific aspects of their quantification, and this is followed by an overview of those methods permitting the concomitant analysis of two or more antiepileptic compounds.
(14) the class- and specificity-restricted antigen-sensitive units.
(15) A NYHA-class greater than II was observed in 18% of patients with type-I hypertrophy, in 29% with type II, but in 61% with type III (p less than or equal to 0.05).
(16) Cell lines specific for class I or class II loci of the MHC produced interferon and colony-stimulating factors.
(17) To become president of Afghanistan , Ashraf Ghani Ahmadzai changed his wardrobe and modified his name, gave up coffee, embraced a man he once denounced as a “known killer” and even toyed with anger management classes to tame a notorious temper.
(18) Enough with Clintonism and its prideful air of professional-class virtue.
(19) Participants were selected from existing classes forming a weight training, aerobic exercise and activity control group.
(20) This unusual insertion could affect the interaction of cat CD4 with class II molecules, or with FIV, a feline homolog of HIV.
Nitrile
Definition:
(n.) Any one of a series of cyanogen compounds; particularly, one of those cyanides of alcohol radicals which, by boiling with acids or alkalies, produce a carboxyl acid, with the elimination of the nitrogen as ammonia.
Example Sentences:
(1) The gossylic nitriles all retain activity, with activity increasing with the length of the peri-acyl group.
(2) Photoresponsive nitrile hydratase from Rhodococcus sp.
(3) R312, a coryneform strain producing nitrile hydratase and amidase.
(4) The following processes are discussed in this article: enzyme-catalysed hydrolyses of carboxylic acid esters and amides, phosphate esters, nitriles and epoxides; esterification and inter-esterification reactions catalysed by enzymes; reduction of ketones to secondary alcohols using whole-cell systems or isolated dehydrogenases; oxidation of alicyclic and aromatic substrates using mono-oxygenases and dioxygenases in bacteria and fungi including enzyme-catalysed Baeyer-Villiger oxidations; aldol reactions, formation of optically active cyanohydrins and enzyme-catalysed acyloin type reactions.
(5) Finally, knowledge regarding the mechanism of toxicological action provided valuable information in relating toxicological properties among the aliphatic nitriles.
(6) The most probable one is the chlorination of the protein terminal amino groups, followed by the breakdown of the N-chloramine so formed into alpha-ketocarboxylic acid, nitrile or aldehyde groups.
(7) The liquid chromatographic separation of the compounds of interest and the internal standard (indomethacin) is accomplished in an isocratic elution procedure using a nitrile (CN) stationary phase.
(8) In contrast, six closely related non-nitrile ligands containing identical peptide side chains but having C-terminal groups incapable of binding covalently to papain had unmeasureably high dissociation constants.
(9) Similarly the glucosinolate aglucones, isothiocyanates or vinyl oxazolidinethione, were not transferred to milk although small amounts of unsaturated nitrile (1-cyano-2-hydroxy-3-butene) and inorganic thiocyanate were detected in milk.
(10) When propionitrile was the growth substrate, there was complete conversion of the nitrile to propionic acid and ammonia as the major products.
(11) A study was carried out on terminal, infiltrational and conductive anaesthetic activity of new aliphatic-aromatic aminoamides, C6H5CR(NHCOR'') - (CH2)nNR'2, which are the result of reaction between corresponding aminocarbinoles with nitriles in the presence of concentrated sulphuric acid.
(12) The covalent adduct is most likely a thioimidate formed between the essential thiol and the nitrile.
(13) Inhibition of DPP-I by 3d provides only the second example of a cysteine protease which is strongly inhibited by a nitrile analogue of a specific substrate.
(14) The finding of PQQ in nitrile hydratase strongly suggests a new function of PQQ, i.e., the activation of H2O in the enzymatic hydration reaction.
(15) Several p-nitroanilide substrates and their corresponding nitrile inhibitors were examined.
(16) A number of 5,6,7,8-tetrahydroquinoling-8-nitriles and -8-thioamides and related compounds have been found to be potent inhibitors of basal gastric secretion in the pylorus-ligated rat and to afford protection against gastric erosions induced in rats by cold-restraint stress.
(17) It was postulated that the facile hydrolysis is the result of an intramolecular-catalyzed reaction resulting from the formation of a transient cyclic intermediate between nitrile carbon and exocyclic nitrogen.
(18) This procedure was sufficient to predict correctly that nitrile would protect better than neoprene; however, direct experimental confirmation was necessary to select the type of nitrile material which provided optimum protection.
(19) An aliquot of the extract was injected onto the HPLC nitrile reversed-phase column.
(20) Methacrylonitrile, a reactive, unsaturated and methylated aliphatic nitrile, has industrial applications in a variety of organic processes related to the polymer industry.