(a.) That which joins or links two things together; a bond or tie; a coupler.
(a.) Two of the same kind connected or considered together; a pair; a brace.
(a.) A male and female associated together; esp., a man and woman who are married or betrothed.
(a.) See Couple-close.
(a.) One of the pairs of plates of two metals which compose a voltaic battery; -- called a voltaic couple or galvanic couple.
(a.) Two rotations, movements, etc., which are equal in amount but opposite in direction, and acting along parallel lines or around parallel axes.
(v.) To link or tie, as one thing to another; to connect or fasten together; to join.
(v.) To join in wedlock; to marry.
(v. i.) To come together as male and female; to copulate.
Example Sentences:
(1) Spermine clearly activated 45Ca uptake by coupled mitochondria, but had no effect on Ca2+ egress from mitochondria previously loaded with 45Ca.
(2) After transfection in CH4C1 cells the two isoforms are coupled with adenylate cyclase while only the shortest isoform appears negatively coupled to phospholipase C. Functional D2 dopamine receptors are present in human prolactinomas.
(3) Ferrocene derivatives, in general, show a degree of versatility, coupling the electron-transfer reactions of many enzymes.
(4) Since intracellular Ca2+ seems to play a role in stimulus-secretion coupling and ion movements, several aspects of Ca2+ homeostasis have been investigated in CF.
(5) Couples in need of help will be "encouraged" to come to a private agreement.
(6) To get a better understanding of the different cell interactions during the immune response to a hapten-carrier complex, the effects of immunogenic or tolerogenic injections of various hapten-containing compounds on the responses induced by immunization with the same hapten coupled to protein carriers were studied.
(7) Such a science puts men in a couple of scientific laws and suppresses the moment of active doing (accepting or refusing) as a sufficient preassumption of reality.
(8) In contrast, strains carrying the substitutions Ile-30----Phe, Gly-33----Leu, Gly-58----Leu, and Lys-34----Val and the Lys-34----Val, Glu-37----Gln double substitution were found to possess a coupled phenotype similar to that of the wild type.
(9) Couples applying to in vitro fertilization were admitted into this project when the sperm concentration was greater than 20 million per mL and motility greater than 30 per cent.
(10) Large emission intensity fluctuations are observed from analyte species in inductively coupled plasmas.
(11) At the weekend the couple’s daughter, Holly Graham, 29, expressed frustration at the lack of information coming from the Foreign Office and the tour operator that her parents travelled with.
(12) These results coupled with previous studies support activation of benz[j]aceanthrylene via both 2 and cyclopenta ring epoxidation.
(13) Homologous insemination in 52 couples during a period of one year yields a conception rate of 38.5%.
(14) Following the hypothesis that infertile patients may present emotional conflicts with regard to the wish of having a child, psychodynamic interviews were carried out with 116 infertile couples concomitantly with their first consultation at the Sterility Department.
(15) The objective of this work was to determine the efficacy of an endoscopic approach coupled to a Nd:YAG laser fiber in performing arytenoidectomy.
(16) During the couple's 30-year marriage she had twice reported him to the police for grabbing her by the throat, before they divorced in 2005.
(17) The rate of indole production is increased about 4-fold when the aminoacrylate produced is converted to S-(hydroxyethyl)-L-cysteine by a coupled beta-replacement reaction with beta-mercaptoethanol.
(18) Single injections never produced more than one coupled pair in P20 or older rats.
(19) The extensive conversion of anti-BPDE to B[a]PT-10-sulfonate under conditions where sulfite enhances diolepoxide mutagenicity, when coupled with this enhancement of diolepoxide mutagenicity by B[a]PT-10-sulfonate in the reverse mutation assay, supports this novel B[a]P derivative as a mediator of the sulfite-dependent enhancement of B[a]P genotoxicity.
(20) Bobbing in warming waters, this ancient ice fossil will be gone in a couple of weeks.
Doublet
Definition:
(a.) Two of the same kind; a pair; a couple.
(a.) A word or words unintentionally doubled or set up a second time.
(a.) A close-fitting garment for men, covering the body from the neck to the waist or a little below. It was worn in Western Europe from the 15th to the 17th century.
(a.) A counterfeit gem, composed of two pieces of crystal, with a color them, and thus giving the appearance of a naturally colored gem. Also, a piece of paste or glass covered by a veneer of real stone.
(a.) An arrangement of two lenses for a microscope, designed to correct spherical aberration and chromatic dispersion, thus rendering the image of an object more clear and distinct.
(a.) Two dice, each of which, when thrown, has the same number of spots on the face lying uppermost; as, to throw doublets.
(a.) A game somewhat like backgammon.
(a.) One of two or more words in the same language derived by different courses from the same original from; as, crypt and grot are doublets; also, guard and ward; yard and garden; abridge and abbreviate, etc.
Example Sentences:
(1) However, analogous OMPs in the LGV strains existed as a doublet with a molecular mass of about 60,000 Da.
(2) The antigen (a protein doublet of Mr 75,000-80,000) is present in, but not restricted to, the myelin lamellae, since it is distributed along the whole myelinating Schwann cell membrane.
(3) In this respect earlier reports by other authors were confirmed but minor compounds not detected so far could be revealed as 15:1, the doublet 18:1 and i-18:0, 19:1 and 20:1.
(4) Studies with substrate analogs selectively modified at the basic doublet indicated that the integrity of both basic amino acids is essential but that conformational parameters, probably governed by the amino acid sequences flanking the basic doublet, play an important role.
(5) During FV, 10 of 26 motoneurons began their discharges with doublets (interspike interval < 10 ms); doublets occurred in only 4 of 67 motoneurons during FC.
(6) The model suggests that the diversity of beat phenotype may be explicable by changes in the timing of switching between active and inactive states of doublet arm activity.
(7) The proacrosin appeared as a doublet (Mr = 55,000 and 53,000) on both of these systems.
(8) The excess intensity (approximately 17%) of the low-spin doublet must therefore be assigned to heme a3 in a modified environment.
(9) The other, p24, migrated as a sharp band or closely spaced doublet with an apparent molecular weight of 24 kD.
(10) Twenty-four amino acid doublets were found; the most abundant of these are Pro-Pro and Ala-Ala which each occur five times.
(11) Rat vascular smooth muscle cells (SMC) in culture synthesize and secrete a approximately 38,000-Mr protein doublet or triplet that, as previously described (Majack and Bornstein.
(12) The free ends of the microtubules appear unraveled; they are seen first as single elements, then as doublets, and finally are arranged into a cylinder.
(13) In one recombinant clone the large CRP appeared to be posttranslationally cleaved at two sites, forming a doublet in a manner similar to the large-CRP doublet made in native C. psittaci 6BC.
(14) Ciliary abnormalities fell into four major categories: (1) cilia with a single axoneme and excess cytoplasmic matrix; (2) compound cilia; (3) intracytoplasmic microtubular doublets; and (4) cilia within periciliary sheaths.
(15) The mobility of this doublet is identical under reducing and non-reducing conditions.
(16) The head seems to float uncomfortably above the collar, while the doublet is ineptly managed.
(17) When cytosines in CpG doublets in G + C-rich fragments were methylated (mCpG), the reactivity increased up to 100-fold.
(18) When analyzed by polyacrylamide gel electrophoresis in the presence of sodium dodecyl sulfate and mercaptoethanol, the protein migrated as a doublet with apparent molecular masses of 55 and 60 kilodaltons (kDa) and as a 50-kDa band in nonreducing gels.
(19) The N-acetylimidazole-reacted apoprotein supplemented with hemin and reacted with hydroperoxides, neither showed electronic absorption spectra of higher oxidation states nor an EPR doublet signal due to a tyrosyl radical.
(20) Stimulus trains starting with an initial doublet produced maximum rate of tension development (optimum impulse pattern).