What's the difference between perform and react?

Perform


Definition:

  • (v. t.) To carry through; to bring to completion; to achieve; to accomplish; to execute; to do.
  • (v. t.) To discharge; to fulfill; to act up to; as, to perform a duty; to perform a promise or a vow.
  • (v. t.) To represent; to act; to play; as in drama.
  • (v. i.) To do, execute, or accomplish something; to acquit one's self in any business; esp., to represent sometimes by action; to act a part; to play on a musical instrument; as, the players perform poorly; the musician performs on the organ.

Example Sentences:

  • (1) From 1982 to 1989, bronchoplasty or segmental bronchoplasty and pulmonary arterioplasty in combination with lobectomy and segmentectomy were performed for 9 patients with central type lung carcinoma.
  • (2) All transplants were performed using standard techniques, the operation for the two groups differing only as described above.
  • (3) These data indicate a steady improvement in laboratory performance over the last 10 years.
  • (4) In conclusion, the efficacy of free tissue transfer in the treatment of osteomyelitis is geared mainly at enabling the surgeon to perform a wide radical debridement of infected and nonviable soft tissue and bone.
  • (5) This paper discusses the typical echocardiographic patterns of a variety of important conditions concerning the mitral valve, the left ventricle, the interatrial and interventricular septum as well as the influence of respiration on the performance of echocardiograms.
  • (6) After two weeks all animals were killed and autopsies of the animals were performed.
  • (7) The 1989 results were compared with those of a similar survey performed in 1986.
  • (8) During the performance of propulsive waves of the oesophagus the implanted vagus nerve caused clonic to tetanic contractions of the sternohyoid muscle, thus proving the oesophagomotor genesis of the reinnervating nerve fibres.
  • (9) Theoretical computations are performed of the intercalative binding of the neocarzinostatin chromophore (NCS) with the double-stranded oligonucleotides d(CGCG)2, d(GCGC)2, d(TATA)2 and d(ATAT)2.
  • (10) In addition autoradiography was performed to localize labelled cells in the inner ear.
  • (11) Surgical repair of the rheumatologic should however, is performed rarely, and should be reserved for the infrequent cases that do not respond to medical therapy.
  • (12) Six hours later, bronchoalveolar lavage was performed.
  • (13) Basing the prediction of student performance in medical school on intellective-cognitive abilities alone has proved to be more pertinent to academic achievement than to clinical practice.
  • (14) It has also been used to measure the amount of excision repair performed by non-replicating cells damaged by carcinogens.
  • (15) The performance characteristics of the CCD are well documented and understood, having been quantified by many experimenters, especially in the physical sciences.
  • (16) 2.35pm: West Ham co-owner David Sullivan has admitted that a deal to land Miroslav Klose is unlikely to go through following the striker's star performances in South Africa.
  • (17) Just after blood sampling, FEV1 measurements were performed.
  • (18) Effects of habitual variations in napping on psychomotor performance, short-term memory and subjective states were investigated.
  • (19) The study examined the sustained effects of methylphenidate on reading performance in a sample of 42 boys, aged 8 to 11, with attention deficit-hyperactivity disorder (ADHD).
  • (20) In addition, control experiments with naloxone, ethanol, or cigarette smoking alone were performed.

React


Definition:

  • (v. t.) To act or perform a second time; to do over again; as, to react a play; the same scenes were reacted at Rome.
  • (v. i.) To return an impulse or impression; to resist the action of another body by an opposite force; as, every body reacts on the body that impels it from its natural state.
  • (v. i.) To act upon each other; to exercise a reciprocal or a reverse effect, as two or more chemical agents; to act in opposition.

Example Sentences:

  • (1) MRK20 reacted with monocytes, but MRK16 did not with any WBC type.
  • (2) A 66-year-old woman with acute idiopathic polyneuritis (Landry-Guillain-BarrĂ© [LGB] syndrome) had normal extraocular movements, but her pupils did not react to light or accommodation.
  • (3) The Fc fragment of this protein reacted with and was solubilized by the staphylococcal A protein which also precipitated the intact immunoglobulin.
  • (4) After Western blot, 2 of the 5 protein bands of swine-cag (27 and 57 kD) and 3 of the 8 protein bands of human cag (27, 32, and 57 kD) reacted with the anti-Toxoplasma antibody used in the ELISA.
  • (5) Plasma for beta-endorphin assay was preincubated with sepharose-bound anti-beta-lipotropin to remove beta-lipotropin that cross-reacted with the beta-endorphin RIA.
  • (6) The patoc antigens types reacted with the control group in 7.24, 86.95 and 84.05% of the samples, and consequently were eliminated from the present study.
  • (7) Flow cytofluorometric analysis of the strain distribution of the molecules defined by the mAb revealed that two of the antibodies (I-22 and III-5) were directed against nonpolymorphic determinants of Thy-1, whereas V-8 mAb reacted only with Thy-1.2+ lymphocytes.
  • (8) TNBS reacts to an extremely small extend with hemoglobin over the concentration range 0.4 to 4 mM whereas FDNB reacts with hemoglobin to a very large extent (50 fold more than TNBS).
  • (9) The 4G1 antibody reacted with only the proteins of the two Y. enterocolitica strains.
  • (10) 18 children with B. a. and 1 patient with c. B. reacted significantly with sRaw.
  • (11) The following possible explanations were discussed: a) the tested psychotropic drugs block prostaglandin receptors in the stomach; b) the test substances react with prostaglandin in the nutritive solution; c) the substances stimulate metabolic processes in the stomach wall that break down prostaglandin.
  • (12) Differential absorption experiments showed that LG-1 contained a mixture of specific and cross-reacting antibodies.
  • (13) Horizontal sections of the left cortex were reacted for the demonstration of HRP.
  • (14) This procedure can quickly provide acrosome-reacted bull sperm for use with various in vitro fertilization procedures and for assessment of male fertility.
  • (15) The bacterial-binding activity and mammalian receptor-binding activities in each of two samples co-chromatographed on a Remazol yellow GGL-Sepharose affinity column strongly indicated that the same immunoglobulin species reacts with both antigens.
  • (16) The antibodies were used for identifying cross-reacting proteins in individual C. s. scutulatus and other Crotalus venoms and to isolate Mojave toxin.
  • (17) It is shown that, by comparison of a reacting mixture at chemical equilibrium with a non-reacting but equally composed one, the sum of the mean concentrations of the reaction products can immediately be taken from optical absorption or from interferometric measurements.
  • (18) 27% of the neurons revealed high sensitivity to the temperature stimulus with coefficient Q10 from 2.4 to 30; 6% of the neurons reacted by the on-response type; 5% of the neurons changed their activity and preserved the new level.
  • (19) Lastly, size analysis of the circulating IgG4 aFABA complexes indicated that these autoantibodies were not complexed with intact IgG, but rather with a molecule of 40-60 kDa, further suggesting the potential for these autoantibodies to react with multiple antigens.
  • (20) Chelators and sulfhydryl group reacting substances reduced the enzyme activity.