What's the difference between heptene and mixture?

Heptene


Definition:

  • (n.) Same as Heptylene.

Example Sentences:

  • (1) Acetaldehyde and acetone were also detected in the irradiated squalene, which may be formed via a 6-methyl-5-hepten-2-one intermediate.
  • (2) When treated with the carbonyl reagent 2,4-dinitrophenylhydrazine, the reactive fractions yielded derivatives, some of which were identified by mass spectrometry as hydrazones of nonenal, heptenal, pentenal, and crotonaldehyde.
  • (3) L. leiopenis secretion contains E-4-methyl-4-hepten-3-one(IV), 4-methylheptan-3-one(V), E,E-2,4-dimethylhexa-2,4-dien-1-ol(VII), and E,E-2,4-dimethylhepta-2,4-dien-1-ol(VIII).
  • (4) NB-598, (E)N-ethyl-N-(6,6-dimethyl-2-hepten-4-ynyl)-3-[(3,3'-bith iophen-5-yl)methoxy]benzene-methanamine, was found to inhibit human microsomal squalene epoxidase (from Hep G2 cells) in a competitive manner.
  • (5) The effects of varying the structure of philanthotoxin (PhTX) were investigated on binding of the channel blockers: [3H]perhydrohistrionicotoxin (H12-HTX) to the nicotinic acetylcholine receptor (nACh-R) of Torpedo electric organ and [3H]MK-801 [( 3H]-5-methyl-10,11-dihydro-5H-dibenzocyclo-hepten-5,10-imine maleate) to the N-methyl-D-aspartate receptor (NMDA-R) of rat brain cortex.
  • (6) Application of (+)-5-methyl-10,11-dihydro-5H-dibenzo-[a,d]cyclo-hepten- 5,10-imine hydrogen maleate (MK-801) and 2-amino-5-phosphonopentanoic acid (2-AP5), antagonists of N-methyl-D-aspartate (NMDA) excitatory amino acid (EAA) receptors, reduced the late multiple population spike component in slices from aged rats incubated in 8-CPT.
  • (7) antagonists such as kynurenic acid, 2-amino-5-phosphonopentanoic acid (AP5), cis-2,3-piperidine dicarboxylic acid (cis-2,3 PDA) and (+)-5-methyl-10,11,-dihydro-5H-dibenzo(a,d)cyclo-hepten-5,10-imine maleate (MK 801), has been studied on the epileptiform activity elicited in rat hippocampal slices, bathed in penicillin (1 mM).
  • (8) For these investigations 14C-labelled levomenol ((-)-6-methyl-2-(4-methyl-3-cyclohexen-1-yl)-5-hepten-2-ol; (-)-alpha-bisabolol) was prepared by biochemical incorporation of [14C]-acetate into the molecule.
  • (9) Perhaps 2-tr-heptenal is only produced in the presence of a defined ratio of both isomeric hydroperoxides.
  • (10) 6-Methyl-5-hepten-2-one can also undergo breakdown to form malonaldehyde.
  • (11) Six components, whose concentrations were depressed after adrenalectomy, were identified: 2-heptanone, trans-5-hepten-2-one, trans-4-hepten-2-one, n-pentyl acetate, cis-2-penten-1-yl acetate, and 2,5-dimethylpyrazine.
  • (12) Compounds with high activity and a broad activity spectrum are 2-ethyl-hexen-2al, 2-isopropyl-5-methyl-hexen-2-al and 2-propyl-hepten-2-al, these compounds are specially active against spores and mycobacteria.
  • (13) From the leaves and flowers of Lippia dulcis collected in Panama, a new sweet sesquiterpene identified as (+)-4 beta-hydroxyhernandulcin [2] was isolated, accompanied by (+)-hernandulcin [1], (-)-epihernandulcin [3] (a novel natural product), and 6-methyl-5-hepten-2-one [4].
  • (14) Synthesis of 6,6-dimethyl-1-hepten-4-yn-3-ol and 2-alken-4-ynylamines were modified.
  • (15) cis-2-Methyl-6-methylamino-2-hepten-1-ol was identified as a minor urinary metabolite of isometheptene in the rat.
  • (16) Four additional new bioactive heptenes, melodorinol [2], homomelodienone [4], 7-hydroxy-6-hydromelodienone [5], and homoisomelodienone [7] have been isolated from Melodorum fruticosum.
  • (17) The beta-alkyl substituted acrolein congeners crotonaldehyde, trans-2-pentenal, trans-2-hexenal, 2,4-hexadienal, and trans-2-heptenal were clearly mutagenic in a slightly modified preincubation Ames test with Salmonella typhimurium TA100 with and without S9 mix using a threefold bacterial cell density and a 90-min preincubation time, whereas trans-cis-2,6-nonadienal did not show any mutagenic activity.
  • (18) The origin of 2-tr-heptenal could not be clarified; it occured neither in the experiments with predominating 9-LHPO nor in those with predominating 13-LHPO.
  • (19) Washing the microsomes after incubation with hexenal or heptenal did not substantially decrease the inhibition, but with nonenal the inhibition was reduced by washing.
  • (20) As reaction products of thermal treatments among other increased amounts of acetoin, furfural, 5-methylfurfural and 6-methyl-5-hepten-2-one were established.

Mixture


Definition:

  • (n.) The act of mixing, or the state of being mixed; as, made by a mixture of ingredients.
  • (n.) That which results from mixing different ingredients together; a compound; as, to drink a mixture of molasses and water; -- also, a medley.
  • (n.) An ingredient entering into a mixed mass; an additional ingredient.
  • (n.) A kind of liquid medicine made up of many ingredients; esp., as opposed to solution, a liquid preparation in which the solid ingredients are not completely dissolved.
  • (n.) A mass of two or more ingredients, the particles of which are separable, independent, and uncompounded with each other, no matter how thoroughly and finely commingled; -- contrasted with a compound; thus, gunpowder is a mechanical mixture of carbon, sulphur, and niter.
  • (n.) An organ stop, comprising from two to five ranges of pipes, used only in combination with the foundation and compound stops; -- called also furniture stop. It consists of high harmonics, or overtones, of the ground tone.

Example Sentences:

  • (1) Stimulation is also observed with mixtures of APC expressing DPw3 and APC expressing A1, and likewise, DPw3+ APC become stimulatory when preincubated with supernatants from A1-positive cells.
  • (2) Fluorination with [18F]acetylhypofluorite yields 6-[18F]fluoro-L-dopa with 95% radiochemical purity; fluorination of the same substrate with [18F]F2 yields a mixture of all three structural isomers in a ratio of 70:16:14 for 6-, 5-, and 2-fluoro compounds.
  • (3) In addition to the phase diagrams reported here for these two binary mixtures, a brief theoretical discussion is given of other possible phase diagrams that may be appropriate to other lipid mixtures with particular consideration given to the problem of crystalline phases of different structures and the possible occurrence of second-order phase transitions in these mixtures.
  • (4) However, within 5 min potassium overcame the vanadate potentiation of ouabain binding regardless of the order in which it was added to the reaction mixture.
  • (5) Mixtures of 2 components involving kappa-casein were more readily dephosphorylated than alphas- and beta-casein mixtures.
  • (6) None of the animals injected with either CD4+ or CD8+ T cells became overtly diabetic during the 30 days of observation whereas 8 of 23 mice inoculated with a mixture of the two subsets developed glycosuria and hyperglycemia.
  • (7) The hypothesis that experimentally determined survival times of Treponema pallidum in stored donor blood could be related to the number of treponemes initially present in the treponeme-blood mixtures was investigated by inoculating rabbits with three graded doses of treponemes suspended in donor blood and stored at 4 degrees C for various periods of time.
  • (8) The IL-8 isolated from each of these cell types is a mixture of two IL-8 polypeptides, one consisting of 72 amino acids (herein called [ser-IL-8]72) and the other 77 amino acids (an N-terminal extended form herein called [ala-IL-8]77).
  • (9) Differential absorption experiments showed that LG-1 contained a mixture of specific and cross-reacting antibodies.
  • (10) The method involves the use of a monoclonal antibody fragment mixture that binds to platelets.
  • (11) It is shown that, by comparison of a reacting mixture at chemical equilibrium with a non-reacting but equally composed one, the sum of the mean concentrations of the reaction products can immediately be taken from optical absorption or from interferometric measurements.
  • (12) The 105 000 X g supernatant of the reaction mixture, which contained more than 85% of the thiobarbituric acid-reactive substances, did not inactivate the plasmid DNA.
  • (13) Blood acid-base status, serum electrolytes, and urine pH were examined in 64 infants and children with phenylketonuria (PKU) treated with three different low phenylalanine protein hydrolyzates (Aponti, Cymogran, AlbumaidXP) and two synthetic amino acid mixtures (Aminogran, PAM).
  • (14) Anaesthesia was achieved by a mixture of oxygen, nitrous oxide and fluothane without use of muscle relaxants.
  • (15) Variations in light chain composition, particularly fast and slow myosin light chain 1, appeared to occur independently of the variations in heavy chain composition, suggesting that some myosin molecules consist of mixtures of slow- and fast-type subunits.
  • (16) That piece was placed on the slide and embedded with a mixture of agar and antiserum.
  • (17) In addition, a beta-linked sialic acid:nucleoside conjugate (Kl-8111) and an equimolar mixture of Kl-8110 and Kl-8111 (Kl-414) also inhibited the metastatic ability of NL cells to the same extent as Kl-8110 did.
  • (18) In contrast, boundary layer diffusion is operative in the release from the matrixes prepared by compression of physical mixtures.
  • (19) The bacterial strains did not liberate free patulin from the adduct mixture present in the growth medium.
  • (20) (Tokyo) 58, 227), yields a protein mixture that has a time-dependent 13C-NMR spectrum.

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