What's the difference between distraught and perturb?

Distraught


Definition:

  • (p. p.) of Distract
  • (a.) Torn asunder; separated.
  • (a.) Distracted; perplexed.

Example Sentences:

  • (1) Their families are said be be distraught at the news and have been clinging to the hope their daughters would want to come home.
  • (2) They’re all really distraught because this is another new year for them on Nauru,” she said.
  • (3) Following the statement, distraught relatives of Chinese passengers attacked Malaysia for announcing the crash and loss of life without direct proof, and for wasting the best chance to rescue those on board.
  • (4) Aware of the likely sensitivity around the issue, programme-makers had already made last-minute cuts to the New Year's Eve episode, including shots of a distraught Ronnie touching the cold hand of her dead baby, and Kat in blood-soaked pyjamas after her husband finds her haemorrhaging in her bed.
  • (5) He’s still distraught at not getting in to Old Trafford.
  • (6) And even though she was visibly distraught after the verdict was read out she feels that it wasn't going to be any other way.
  • (7) Distraught, I brought it into the office on Monday to gauge the opinions of my fashion colleagues.
  • (8) David Miliband was leaning hard towards quitting two days ago – "too distraught, too disappointed" said one ally – but if he had any doubts they were settled by the spat over the Iraq war he had with Harriet Harman , picked up by the TV cameras, during his brother's keynote speech to conference as leader on Tuesday.
  • (9) The Duchess was left distraught and broke down sobbing during the proceedings.
  • (10) The way everyone was distraught at the final whistle, meant this game was always going to be like this.
  • (11) She added, they are "scared and distraught, can't believe it's true, don't want it to be true".
  • (12) Those who want to say something about the atrocities in the Middle East may indeed be genuinely distraught, they may feel that the need to pass on this visual information places them on some unquestionable moral high ground.
  • (13) An elderly woman, distraught over the recent death of her husband, was found dead of an apparent suicide.
  • (14) Earlier in the day, Anthony Little, the brother-in-law of the uspect, emerged from the house and told NBC4 the family were "distraught".
  • (15) Aaron Campbell was at his girlfriend’s flat and was said to be distraught over the death of his brother, whom he had nursed before he succumbed to heart disease and kidney failure.
  • (16) Sitting with the child and parents in my office and seeing how distraught they all were was heartbreaking.
  • (17) At one point, he became so distraught that Judge Brian Keith interrupted proceedings to tell Adoboli that he shouldn't be embarrassed about becoming overrun by his emotions, and that it gave the jury a chance to "see the man behind the name".
  • (18) The action was described by Miss F as having left her mother, who had no involvement in the disagreement, "totally distraught" in the last weeks of her life.
  • (19) He is able to speak but obviously he’s absolutely distraught – he’s absolutely broken.
  • (20) Distraught and weeping, she was surrounded by reporters and cameramen.

Perturb


Definition:

  • (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.