(v. t.) To disturb; to agitate; to vex; to trouble; to disquiet.
(v. t.) To disorder; to confuse.
Example Sentences:
(1) These membrane perturbation effects not observed with bleomycin-iron in the presence of a hydroxyl radical scavenger, dimethyl thiourea, or a chelating agent, desferrioxamine, were correlated with the ability of the complex to generate highly reactive oxygen species.
(2) Ultraviolet difference spectrophotometry indicates that the inactivated enzyme retains its capacity for binding the nucleotide substrates whereas the spectral perturbation characteristic of 3-phosphoglycerate binding is abolished in the modified enzyme.
(3) It is suggested that laboratory experiments should be performed on perturbed systems only if simulations have shown that the methods of data analysis will be satisfactorily powerful and accurate.
(4) Thresholds were measured for detecting perturbations in a regular lattice of dots by modulating local dot density, local dot luminance, or some combination of the two.
(5) It is shown that when a constant current is applied such that a stable equilibrium and rhythmic firing are present, the following predictions are inherent in the HH system of equations: (a) Small instantaneous voltage perturbations to the axon given at points along its firing spike result in phase resetting curves (when new phase versus old phase is plotted) with an average slope of 1.
(6) Lower lip perturbation duration was manipulated to yield two different load conditions.
(7) The role of the Golgi complex in the post-translational oligosaccharide maturation of alpha-amylase was explored by use of the carboxylic ionophore, monensin (10(-7)M), a known perturbant of the structure and function of the Golgi complex.
(8) 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.
(9) Presence of the monosynaptic reflex during platform perturbations at normal latencies suggests that balance problems in children with Down syndrome do not result from hypotonia, which researchers have defined as decreased segmental motoneuron pool excitability and pathology of stretch reflex mechanisms, but rather result from defects within higher level postural mechanisms.
(10) We have perturbed the dynamics of the nuclear lamins by means of cell fusion between mitotic and interphase cells and have studied redistribution of lamins in fused cells as a function of extracellular pH levels.
(11) In the coagulating gland, this compensatory response involved the proliferation of many cells which, in the absence of cytotoxic perturbation, would be non-proliferatie (Q cells).
(12) The effect of initial perturbation of the thrombus by a guide wire appears to be less important than the thrombus disruption and accelerated thrombolysis caused by the pulsatile delivery system.
(13) As before, subjects were instructed to either oppose the perturbation (Predictable Oppose) or relax the forearm muscles (Predictable Let-Go).
(14) Bivalent cations (Ca2+, UO2(2+) or Zn2+) in the subphase at pH 5.6 significantly modified the behaviour of mixed monolayers of fusogenic lipids with phospholipids; there was a parallel perturbing effect of fusogenic lipids on interactions between monolayers of phospholipids and bivalent cations.
(15) In particular, nitration of Tyr-51 provoked a structural perturbation in the globular region.
(16) Altering the biophysical characteristics of cell membranes by diet and membrane perturbing agents markedly influences thermosensitivity of cells.
(17) Paraphilias (PAs) and non-paraphilic sexual addictions (NPSAs) may be behaviors that share a common perturbation of central serotonin neuroregulation as a component of their pathophysiology.
(18) Two functions of these have been proposed: 1) that they are compatible osmolytes which regulate cell volume (against high external NaCl) without inhibiting proteins and 2) that methylamines (GPC and betaine) are counteracting osmolytes which stabilize proteins against perturbation from high renal urea.
(19) This high incidence of HER2 gene amplification with accompanying overexpression in non-invasive breast tumors suggests that perturbations of the HER2 oncogene are among the earliest and most common genetic lesions in human breast cancer.
(20) Hypophysectomy was selected as a model system for perturbing testicular cell types, since the cytological sequelae of this treatment post-hypophysectomy in the rat are well documented in the literature.
Unnerve
Definition:
(v. t.) To deprive of nerve, force, or strength; to weaken; to enfeeble; as, to unnerve the arm.
Example Sentences:
(1) Miklos Haraszti, whom I encountered in Budapest, had the looks of a small Spanish grandee in some Velázquez painting; dark, unnervingly handsome, serene.
(2) Facebook Twitter Pinterest Bernie Sanders: I want to see major changes in the Democratic party But Clinton is still a comfortable favourite in polling at the national level and her team argued earlier that day that if she can shrink his lead to single digits in the New Hampshire primary on Tuesday, she will have blunted the surprise momentum that unnerved supporters when he came within a whisker of beating her in Iowa.
(3) Thereafter they both got so angry with one another they started adopting each other's pet phrases – "I won't be lectured to by..." – and there was the unnerving possibility they might just morph into a single, spluttering entity.
(4) In this fragile neighbourhood, surprises are always unnerving.
(5) You are lying down with your head in a noisy and tightfitting fMRI brain scanner, which is unnerving in itself.
(6) It's very unnerving to be a prisoner," he tells an English-speaking interviewer in one.
(7) For veterans of the women's movement there may be something unnerving about hearing the familiar slogans from Tory mouths – a sense that, as a female columnist lamented recently of Mensch, these late converts are "the wrong kind" of feminists.
(8) Yuval Shpungin fouled Hazard midway inside the Maccabi half and, with Rajkovic unnerved by the crowd wrestling their way towards the spot, Willian’s inswinging free-kick skipped into the corner of the net.
(9) China has unnerved investors because of an economic slowdown that Beijing seems incapable of steering properly.
(10) The US is to deploy F-22 fighter jets to Europe as part of efforts to support eastern European members of the Nato alliance unnerved by Russia’s intervention in Ukraine .
(11) If the notion sounds odd, the reality is only slightly less unnerving than having a black-eyed dog call at your door.
(12) China syndrome: how the slowdown could spread to the Brics and beyond Read more Stock markets dived last week as the prospect of a rate rise combined with figures showing the Chinese economy growing at a slower pace than previously forecast unnerved investors.
(13) She had tried before but only got to page two, and had found it so unnerving that she had been unable to leave the house for three days.
(14) It wasn’t for fear he was going to do something awful to the child but I did think his presence was unnerving for some children.
(15) We can edit nature Andrea Crisanti Still, talk of “editing nature” will unnerve those who are naturally suspicious of such radical moves, and for whom the term “genetic modification” is an automatic red flag.
(16) The idea that people are watching me now is a bit unnerving, but I suppose it comes with the territory.
(17) There is this haunting look about him as he comes to terms with the fact he does not have long to live, yet there is this unnerving defiance there as well.” The composer sat for four difficult days in 1881, dying before the planned final sitting.
(18) Martin London Henllan, Denbighshire • Markets are “unnerved”, “market confidence is fast deteriorating”, “market expectations [or should that read speculations?]
(19) The feeling of being an imposter is definitely unnerving.
(20) In a twist that will further unnerve senior police officers, it emerged that Kennedy has asked the public relations agent Max Clifford to sell his story.