What's the difference between agitate and perturb?

Agitate


Definition:

  • (v. t.) To move with a violent, irregular action; as, the wind agitates the sea; to agitate water in a vessel.
  • (v. t.) To move or actuate.
  • (v. t.) To stir up; to disturb or excite; to perturb; as, he was greatly agitated.
  • (v. t.) To discuss with great earnestness; to debate; as, a controversy hotly agitated.
  • (v. t.) To revolve in the mind, or view in all its aspects; to contrive busily; to devise; to plot; as, politicians agitate desperate designs.

Example Sentences:

  • (1) A sensitive, specific procedure was developed for detecting Escherichia coli O157:H7 in food in less than 20 h. The procedure involves enrichment of 25 g of food in 225 ml of a selective enrichment medium for 16 to 18 h at 37 degrees C with agitation (150 rpm).
  • (2) The authors report 6 cases of acute respiratory failure complicating chronic bronchial and lung disease admitted to hospital with the diagnosis of: heart disease, 3 cases, pulmonary oedema, pulmonary embolism, atrial flutter; status asthmaticus : one case; neuro-psychiatric disease : 2 cases (toxic coma and agitation).
  • (3) But what is happening in the UK now has not been seen for decades and has rarely been seen at all since the Chartist agitations of the 1840s.
  • (4) The effects of chronic use seem to be twofold: severe depression with suicidal thoughts and numerous violent, agitated behavioral patterns.
  • (5) From about 1891 to 1905 home rule seemed to go off the boil in Ireland; people agitated instead over land reform and Irish universities.
  • (6) The effect of tiapride on the various manifestations of agitation was also spectacular and rapid, and the authors confirm the excellent tolerance of the product.
  • (7) Therefore, the CDS controlling procollagen production and the CDS controlling the inhibition of growth seemed to be linked because the signaling mechanism is disrupted in a parallel manner by agitation.
  • (8) The echo intensity produced by this agent was compared with that of agitated saline solution, indocyanine green and SHU-454 (another experimental saccharide agent for right-sided contrast) during 136 injections in eight dogs.
  • (9) The two groups examined comprise 'hyperactive' mentally handicapped children and senile dementia patients, all of whom showed moderate to severe agitation.
  • (10) But the outspoken journalist and human rights activist has long been a thorn in Ali Abdullah Saleh's side, agitating for press freedoms and staging weekly sit-ins to demand the release of political prisoners from jail – a place she has been several times herself.
  • (11) I honestly think so many Americans are scrambling so fast just to keep up that: a) they're not aware of what they're missing; b) they don't have time to agitate."
  • (12) Ultrasonic preparation with 0.25% sodium hypochlorite solution and final agitation with 50% citric acid solution were found to produce a very clean canal wall, free of smear layer in coronal and middle parts.
  • (13) Photoreceptors were dissociated from retinas by mechanical agitation after mild protease treatment and characterized by light and electron microscopy.
  • (14) Two of the targets we tested (SV-COL and SV-COL-E8) both highly sensitive to lysis, stimulated macrophage movement, inducing an "agitated" response.
  • (15) The cells can be defimbriated by sonication, high-speed agitation, or centrifugation through a 40% sucrose solution.
  • (16) In its infancy, the movement against censorship agitated on behalf of artists, iconoclasts, talented blasphemers; against repressive forces whose unpleasantness only confirmed which side was in the right.
  • (17) Blot and give 2 fast changes in absolute ethanol with agitation before transferring to xylene.
  • (18) Distractibility, inappropriate sexual behavior, agitation or seizures were lacking.
  • (19) The successful use of midazolam to treat psychomotor agitation in this patient is also reported.
  • (20) The same brush was then agitated in a SBW vial, which was centrifuged, the cell pellet being smeared over a predetermined area of a slide.

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.