(n.) A small, hooded, poisonous serpent of Egypt and adjacent countries, whose bite is often fatal. It is the Naja haje. The name is also applied to other poisonous serpents, esp. to Vipera aspis of southern Europe. See Haje.
(n.) One of several species of poplar bearing this name, especially the Populus tremula, so called from the trembling of its leaves, which move with the slightest impulse of the air.
Example Sentences:
(1) We have named them bombolitin I (Ile-Lys-Ile-Thr-Thr-Met-Leu-Ala-Lys-Leu-Gly-Lys-Val-Leu-Ala-His-Val-NH2 ), bombolitin II (Ser-Lys-Ile-Thr-Asp-Ile-Leu-Ala-Lys-Leu-Gly-Lys-Val-Leu-Ala-His-Val-NH2 ), bombolitin III (Ile-Lys-Ile-Met-Asp-Ile-Leu-Ala-Lys-Leu-Gly-Lys-Val-Leu-Ala-His-Val-NH2 ), bombolitin IV (Ile-Asn-Ile-Lys-Asp-Ile-Leu-Ala-Lys-Leu-Val-Lys-Val-Leu-Gly-His-Val-NH2 ), and bombolitin V (Ile-Asn-Val-Leu-Gly-Ile-Leu-Gly-Leu-Leu-Gly-Lys-Ala-Leu-Ser-His-Leu-NH2 ).
(2) As a control, the introduction of the modification Glu78----Asp in a region of the domain not believed to be involved in calcium binding had very little effect on the Kd for calcium (Kd = 2.6 mM, I = 0.15).
(3) The primary sequence of decorsin indicates that the protein is 39 amino acids long and contains 6 cysteine and 6 proline residues, as well as the sequence Arg-Gly-Asp, (RGD), a proposed recognition site of many adhesion proteins.
(4) In addition, the trends in the three sets of data for the catalytic subunit indicate that ionic bonds are involved in binding PALA to the active site, and that non-productive binding by L-Asp is negligible under these experimental conditions.
(5) Comparison of the human and mouse repeats revealed a highly conserved Glu-Asp core in each unit, implicating the functional significance of this motif.
(6) The amino terminal amino acid sequences of the subunits alpha, beta and gamma were Ser-Phe-Asp-Met-, Met-Val-Pro-Gly- and Met-Arg-Leu-Thr-, respectively.
(7) The study of the drugs effective in the treatment of cognitive deficits and memory loss associated with senile dementia of the Alzheimer's type--tacrine and amiridin, acetylcholinesterase inhibitor physostigmine and nootrop piracetam on uptake of 3H-serotonin (3H-5-HT), 3H-adrenaline (3H-AD), 3H-noradrenaline (3H-HA), 2H-dopamine (3H-DA), 3H-gamma-aminobutyric acid (3H-GABA), 3H-glutamic acid (3H-GLU), 3H-aspartic acid (3H-ASP) and 3H-glycine (3H-GLI) showed that tacrine and amiridin (5 x 10(-5) M) statistically significantly (P less than 0.05) inhibited the uptake of 3H-DA and 3H-5-HT.
(8) The present study proves that the hydrogen bond between Tyr-42 alpha and Asp-99 beta plays a key role in stabilizing the deoxy T structure and consequently in co-operative oxygen binding.
(9) The importance of the ionic interaction due to the formation of the salt bridge between the Asp-27 and the pteridine ring in Escherichia coli dihydrofolate reductase-methotrexate complex has been studied by using the free-energy perturbation method.
(10) The effect of the administration of a rabbit anti-substance P serum (ASPS) was studied in rats receiving an acute injection of ethanol.
(11) The active-site aspartic acid residue, Asp-362, of Escherichia coli citrate synthase was changed by site-directed mutagenesis to Glu-362, Asn-362 or Gly-362.
(12) The replacements for Glu-43 (Asp, Gln, Asn, Ser, and Ala) both decreased the catalytic efficiency and changed the one- and two-dimensional NMR spectral properties of the mutant enzymes.
(13) These data definitely show the myogenic character and rhabdomyoblastic differentiation of ASPS.
(14) A detergent-soluble fraction of ASP given with the adjuvant provided 87.2% protection (group III), whilst non-specific vaccination with serum proteins plus Be(OH)2 elicited 99% protection (group IV).
(15) Only sections from rats with injections of WGAapoHRP-Au were processed for Asp immunostaining.
(16) Conversion of Cys148 to Asp, Gly, or Ser decreases CH activity at least 10(5)-fold, consistent with a nucleophilic role for Cys148 (analogous to the catalytic Cys residue in TS).
(17) The second gene of this pair, tDNA(Asp), is totally dependent on the first gene, tDNA(Arg), and its promoter components, for homologous in vitro transcription.
(18) The long in vivo half-life and high selectivity for peripheral CCK receptors make ASP suitable for investigations on the physiological and pharmacological actions of CCK.
(19) In contrast, the inactive mutant subunit in which Gly-128 was replaced by Asp exhibited a spectrum virtually identical to that of the wild-type protein.
(20) Thus, specific 125I-fibronectin binding was inhibited by excess unlabeled fibrinogen or fibronectin, the anti-GP IIb-IIIa monoclonal antibody 10E5, the decapeptide from the carboxyl terminus of the fibrinogen gamma-chain, and the tetrapeptide Arg-Gly-Asp-Ser from the cell-binding domain of fibronectin.
Sigh
Definition:
(v. i.) To inhale a larger quantity of air than usual, and immediately expel it; to make a deep single audible respiration, especially as the result or involuntary expression of fatigue, exhaustion, grief, sorrow, or the like.
(v. i.) Hence, to lament; to grieve.
(v. i.) To make a sound like sighing.
(v. t.) To exhale (the breath) in sighs.
(v. t.) To utter sighs over; to lament or mourn over.
(v. t.) To express by sighs; to utter in or with sighs.
(v. i.) A deep and prolonged audible inspiration or respiration of air, as when fatigued or grieved; the act of sighing.
(v. i.) Figuratively, a manifestation of grief; a lan/ent.
Example Sentences:
(1) "But this is not all Bulgarians and gives a totally wrong picture of what the country is about," she sighed.
(2) Whoever is Tory leader then may breathe a sigh of relief.
(3) Sighs provide an opportunity to study the interaction and the maturation of the autonomic nervous system.
(4) An adviser to the Sultan of Aïr, the town’s ceremonial leader , sighs.
(5) To all the college grads out there, sighing over their student loan payments, the Federal Reserve Bank of New York has a message: it was all worth it.
(6) | Hugh Muir Read more Wherever Labour people gather to discuss how to break out of the vice tightening around the party, answers fail amid sighs of utter despair.
(7) However, the over-riding view is that with Global's plan to buy GMG Radio outright all but thwarted, senior executives at German-owned Bauer will be breathing a sigh of relief.
(8) "I wanna rearrange that bit," he sighs, "because I feel I'm just doing what's expected of an R&B artist to take your shirt off.
(9) I think it should be a huge sigh of relief for EADS shareholders."
(10) "It's hard," sighed Royal, asked how she was faring.
(11) As for Botha, he breathed a sigh of relief that his ordeal was over.
(12) "Some even call me her pet," he sighs, raising his eyebrows in exasperation.
(13) He sighs, though whether this is out of weariness and regret, or impatience at my line of questioning, is difficult to tell.
(14) "Oh Lynn," she sighs, "you can't seriously expect me to answer that."
(15) Thus, promoter switching during the early stationary phase resulted not only in expression from SigH promoters but also in differential expression of the genes in the sigA operon.
(16) Jason Conibear, market analyst at forex specialists, Cambridge Mercantile, argues that Obama will be breathing a sigh of relief, even though US economic growth is slowing: American consumers are getting skittish again, but with the giant economy's output still creeping upwards, politicians and policymakers will find the perfect excuse to do nothing.
(17) Because this is due in part to variability in the way the information is obtained to make the various rating distinctions, the Structured Interview Guide for the HDRS (SIGH-D) was developed to standardize the manner of administration of the scale.
(18) Rumours,” Baddour sighed once more, as he returned from the platform.
(19) Clash of the sofas: BBC v ITV An age-old rivalry with plenty of previous, gone are the days where you'd sigh when you found out a match was on ITV not BBC.
(20) – but Russell happily slips in and out of voices and lines from the movie, his recollections punctuated by wistful sighs.