What's the difference between compound and dextrorotatory?

Compound


Definition:

  • (n.) In the East Indies, an inclosure containing a house, outbuildings, etc.
  • (v. t.) To form or make by combining different elements, ingredients, or parts; as, to compound a medicine.
  • (v. t.) To put together, as elements, ingredients, or parts, in order to form a whole; to combine, mix, or unite.
  • (v. t.) To modify or change by combination with some other thing or part; to mingle with something else.
  • (v. t.) To compose; to constitute.
  • (v. t.) To settle amicably; to adjust by agreement; to compromise; to discharge from obligation upon terms different from those which were stipulated; as, to compound a debt.
  • (v. i.) To effect a composition; to come to terms of agreement; to agree; to settle by a compromise; -- usually followed by with before the person participating, and for before the thing compounded or the consideration.
  • (v. t.) Composed of two or more elements, ingredients, parts; produced by the union of several ingredients, parts, or things; composite; as, a compound word.
  • (n.) That which is compounded or formed by the union or mixture of elements ingredients, or parts; a combination of simples; a compound word; the result of composition.
  • (n.) A union of two or more ingredients in definite proportions by weight, so combined as to form a distinct substance; as, water is a compound of oxygen and hydrogen.

Example Sentences:

  • (1) These factors might account for the lower systemic bioavailability of these compounds.
  • (2) 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.
  • (3) These organic compounds were found to be stable on the sorbent tubes for at least seven days.
  • (4) Compound Z has the properties expected of an oxidized MPT precursor.
  • (5) Although Jeggo's Chinese hamster ovary cells were more responsive to mAMSA, novo still abrogated mAMSA toxicity in the mutant cells as well as in the parental Chinese hamster ovary cells 2,4-Dinitrophenol acted similarly to novo with respect to mAMSA killing, but neither compound reduced the ATP content of V79 cells.
  • (6) Recent data collected by the Games Outcomes Project and shared on the website Gamasutra backs up the view that crunch compounds these problems rather than solving them.
  • (7) There fore, the adverse effects may be induced by such quartz or silicon compounds.
  • (8) 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.
  • (9) Mitonafide is the lead compound of a new series of antitumor drugs, the 3-Nitronaphthalimides, which have shown antineoplastic activity in vitro as well as in vivo.
  • (10) We have examined the activities of X, Y, and several related compounds as activators of macrophages.
  • (11) [125I]ET-1 binding to ETB receptors (nonselective to ET isopeptides) in cerebellar membranes was not inhibited by either of these compounds even at 100 microM.
  • (12) 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.
  • (13) The remainder of the radioactivity appeared chromatographically just prior to the bisantrene peak, indicating that compounds more polar than the parent were present as transformation products.
  • (14) The ADAM derivative of carnitine was separated from decomposition products of the reagent and related compounds such as amino acid derivatives on a silica gel column eluted with methanol-5% aqueous SDS-phosphoric acid (990:10:1).
  • (15) Accidentally discovered nearly 40 years ago as the first true antidepressants, the MAOIs soon fell into disfavor due to concerns about toxicity and seemingly lesser efficacy compared with the newer tricyclic compounds.
  • (16) In a series of compounds with H2-antihistaminic activity, a conformational analysis was performed based on force field calculations.
  • (17) All three compounds were also very similar in their effects on [3H]5HT release from superfused rat striatal slices.
  • (18) A new compound, 5-bromo-2-(N,N-dimethylaminomethyl)furnan (IIc), is prepared in a similar way.
  • (19) On the basis of obtained data on the uniformity of chemical compounds of the secretion of glands belonging to different groups their common origin has been suggested.
  • (20) S-methyl-l-cysteine, 2-hydroxy-4-methiol butyric acid, S-adenosyl-l-methionine, and methionine peptides were the only compounds supporting growth, when substituted for methionine.

Dextrorotatory


Definition:

  • (a.) Turning, or causing to turn, toward the right hand; esp., turning the plane of polarization of luminous rays toward the right hand; as, dextrorotatory crystals, sugars, etc. Cf. Levorotatory.

Example Sentences:

  • (1) The dextrorotatory enantiomer of fluoxetine was slightly more potent than the levorotatory enantiomer in antagonizing the depletion of brain serotonin by p-chloroamphetamine in rats.
  • (2) The dextrorotatory morphinan opioid, dextrorphan, which has recently been reported to block the excitation of cortical neurons by N-methyl-D-aspartate, was found at 10-100 microM concentrations to attenuate both morphological and chemical evidence of glutamate neurotoxicity in murine neocortical cell cultures; a similar effect was found with its methyl ester derivative, dextromethorphan.
  • (3) The differences in antihypertensive activity of racemic and dextrorotatory propranolol cannot be explained by different plasma levels; the data indicate that the hypotensive effect of propranolol is due to beta receptor blockade.
  • (4) Subsequently, beta-End and levorphanol (10(-8) M), but not the dextrorotatory isomer, stimulated an elongation of the cells.
  • (5) It is dextrorotatory, [alpha](D) = +138 degrees , and has a pK(a) of 5.1.
  • (6) A compound, C14H24O2, which induces strong juvenilizing effects in the yellow mealworm, Tenebrio molitor L., following topical application to the pupal stage, was isolated in pure form from the roots of Echinacea angustifolia DC and tentatively identified as dextrorotatory (E)-10-hydroxy-4,10-dimethyl-4,11-dodecadien-2-one.
  • (7) In hypertensive patients, whose blood pressure was decreased by racemic propranololthe dextrorotatory isomer had no antihypertensive effect.
  • (8) The dextrorotatory enantiomer prevented the depletion of brain serotonin at any time after p-chloroamphetamine.
  • (9) The dextrorotatory enantiomer of aminoglutethimide is 38 times more potent than the levoenantiomer in inhibiting aromatization of testosterone by human placental microsomes.
  • (10) In a separate experiment, 100 micrograms of dextrorotatory and levorotatory gossypol was administered to male mice.
  • (11) The [3H]Tol2Gdn binding site displays stereoselectivity for dextrorotatory optical isomers of benzomorphan opiates known to have sigma-type behavioral effects.
  • (12) Fatty acids esterifying these fatty alcohols in M. marinum and M. ulcerans were found to belong to the phthioceranic series (dextrorotatory fatty acids), in contrast to those of the other species (laevorotatory fatty acids called mycocerosic acids), both groups having the same chain length and methyl-branched positions.
  • (13) The dextrorotatory gossypol, both in rat and mice, had less pronounced effect on the histoarchitecture of the testis in comparison to racemic and levorotatory gossypol.
  • (14) The non-narcotic dextrorotatory morphinan, dextrorphan, as well as its levorotatory opioid enantiomer, levorphanol, and its O-methyl derivative, dextromethorphan, have recently been shown to antagonize N-methyl-D-aspartate receptor-mediated neurotoxicity.
  • (15) Contrary to what is generally accepted, the dysphoric and psychotomimetic side effects of sigma opiates are mediated by the levo-and not by the dextrorotatory isomers.
  • (16) Increases in ventricular myocardial refractoriness and in QTc and paced QT intervals suggest that class III electrophysiologic actions contribute to the antiarrhythmic properties of dextrorotatory sotalol in this animal model.
  • (17) When dog urine was heated with acid rather than treated with beta-glucuronidase, the isolated p-HPPH contained a small preponderance of the dextrorotatory isomer, probably owing to production of d-p-HPPH from the dihydrodiol metabolite.
  • (18) The dextrorotatory and levorotatory isomers of chloroquine did not differ in their ability to stimulate the hydrolysis of tRNA by pancreatic ribonuclease A.
  • (19) The others were the dextrorotatory 2,6-bis-(3',4'-dihydroxyphenyl)-3,7-dioxabicyclo-[3,3,0]-octane 4,8-dione (dehydrodicaffeic acid dilactone) andits antipode.
  • (20) Another mu-agonist, levorphanol (20, 40, 80, or 160 micrograms) and dextrorphan (160 micrograms), its dextrorotatory isomer, were used next to evaluate opioid specificity.

Words possibly related to "dextrorotatory"