What's the difference between ascertain and examine?

Ascertain


Definition:

  • (v. t.) To render (a person) certain; to cause to feel certain; to make confident; to assure; to apprise.
  • (v. t.) To make (a thing) certain to the mind; to free from obscurity, doubt, or change; to make sure of; to fix; to determine.
  • (v. t.) To find out or learn for a certainty, by trial, examination, or experiment; to get to know; as, to ascertain the weight of a commodity, or the purity of a metal.

Example Sentences:

  • (1) We have investigated the effect of methimazole (MMI) on cell-mediated immunity and ascertained the mechanisms of immunosuppression produced by the drug.
  • (2) Prior to oral feeding, little or no ELA was detected in stools and endotoxinemia was ascertained in only six of 45 infants (13%).
  • (3) A total of 13 ascertainments of folate sensitive autosomal fragile sites is observed, of which 10q23 fragility appears to be the most frequent.
  • (4) A similar examination of the effects of PD was also carried out in vitro to ascertain whether PD itself or its metabolites are involved in its action.
  • (5) The purity and configuration of each isomer of the free acid and N-chloroacetylated derivative were ascertained by: (a) paper chromatography in five solvent systems, (b) elemental analysis, (c) Van Slyke nitrous acid determination of alpha-carbonyl carbon, and (d) Van Slyke ninhydrin determination of alpha-carbonyl carbon, and (e) optical rotation.
  • (6) In an anthropologic study of illness referral among Latin-American immigrants three phases were ascertained: First, there was extended use of self-treatment.
  • (7) In 20 adult patients with asthma, we evaluated bronchodilation to a single administration of metered-dose glycopyrrolate aerosol (GA) to ascertain its onset and duration of action along with evaluation of safety.
  • (8) 64% of the patients without nodular metastases and 45% of the patients with histologically ascertained nodular metastases and 45% of the patients with histologically ascertained nodular metastases survived the 3-year interval.
  • (9) The results indicated a very good comparability between the dot-blot assay and IF-tests, and this dot-blot method was ascertained as a simple and useful method for the scrub typhus serodiagnosis.
  • (10) Combinations of YM534 with other anti-cancer agents were examined to ascertain whether YM534 potentiated other anti-cancer agents against the KB cell line and its multidrug-resistant counterpart, VJ-300.
  • (11) Three experiments in person perception were conducted to investigate the conditions under which naive observers label an actor as aggressive and to ascertain how this label affects the reactions of the observers to the actor.
  • (12) This study was designed to ascertain the frequency of these problems in our RS patients, whether they were related to other clinical features of RS and what was the extent of the resulting disability.
  • (13) The nutritional requirements for optimal production of biologically active l-asparaginase by a strain of Escherichia coli have been ascertained.
  • (14) Fifty-seven strains of enterotoxigenic Escherichia coli isolated from humans and pigs and producing thermolabile (LT) enterotoxin were used to ascertain the efficiency of the Biken test compared to the passive immune haemolysis test (PIH), considered as very sensitive for detecting that enterotoxin.
  • (15) In the formation of the transformation index the difference between the two groups could be statistically ascertained.
  • (16) This was a highly significant (p less than 0.0001) predictor of 5-year total mortality, whose ascertainment was virtually complete.
  • (17) On the basis of segregating phenotypes, the genetic potentials of these compatible nocardiae were ascertained as follows: the formation of a diploid with subsequent segregation of parental or haploid recombinant genomes or both; persistence of the diploid through many generations; continuing reassortment of genetic information by multiple matings between parental or recombinant organisms; and, very probably, second-round recombinations within the diploid.
  • (18) Based on the ratio of plasma membrane marker enzyme activity determined in the nuclear preparation, the purity of the isolated nuclei was ascertained.
  • (19) The amount of free testosterone in the saliva was also ascertained for 23 of the subjects.
  • (20) In addition, re-analysis of previous investigations of the MAB underscores the importance of ascertaining the reading level of subjects prior to the administration of the MAB.

Examine


Definition:

  • (v. t.) To test by any appropriate method; to inspect carefully with a view to discover the real character or state of; to subject to inquiry or inspection of particulars for the purpose of obtaining a fuller insight into the subject of examination, as a material substance, a fact, a reason, a cause, the truth of a statement; to inquire or search into; to explore; as, to examine a mineral; to examine a ship to know whether she is seaworthy; to examine a proposition, theory, or question.
  • (v. t.) To interrogate as in a judicial proceeding; to try or test by question; as, to examine a witness in order to elicit testimony, a student to test his qualifications, a bankrupt touching the state of his property, etc.

Example Sentences:

  • (1) All rats were examined in the conscious, unrestrained state 12 wk after induction of diabetes or acidified saline (pH 4.5) injection.
  • (2) "We examined the reachability of social networking sites from our measurement infrastructure within Turkey, and found nothing unusual.
  • (3) At 36 h postsurgery, RBCs were examined by 23Na-NMR by using dysprosium tripolyphosphate as a chemical shift reagent.
  • (4) All of the strains examined were motile and hemolytic and produced lipase and liquid gelatin.
  • (5) We examined the karyotype in five individuals of roe-deer (Capreolus capreolus), coming from Southern Moravia.
  • (6) Disseminated CMV infection with multiorgan involvement was evident in 7 of 9 at postmortem examination.
  • (7) In one of 28 cases with LCIS examined by mammography there was suspicion of carcinoma.
  • (8) By combined histologic and cytologic examinations, the overall diagnostic rate was raised to 87.7%.
  • (9) This study examined the [3H]5-HT-releasing properties of 3,4-methylenedioxymethamphetamine (MDMA) and related agents, all of which cause significant release of [3H]5-HT from rat brain synaptosomes.
  • (10) We have examined the insertion of bovine 17 alpha-hydroxylase (P45017 alpha) into the endoplasmic reticulum of COS 1 cells to evaluate the functional role of its hydrophobic amino-terminal sequence and membrane insertion.
  • (11) The transport of potassium ions through membranes of red blood cells was examined in in bitro experiments using a CMF of 4500 oersted.
  • (12) To examine the central nervous system regulation of duodenal bicarbonate secretion, an animal model was developed that allowed cerebroventricular and intravenous injections as well as collection of duodenal perfusates in awake, freely moving rats.
  • (13) Sequence variation in the gp116 component of cytomegalovirus envelope glycoprotein B was examined in 11 clinical strains and compared with variation in gp55.
  • (14) The correlates of three characteristics of familial networks (i.e., residential proximity, family affection, and family contact) were examined among a national sample of older Black Americans.
  • (15) Nine months later, the animals were sacrificed, the esophagus and the gastric stump were removed for histologic examination.
  • (16) Four cytotoxic antibiotics, bikaverin, duclauxine, PSX-1 and vermiculine, were examined with respect to their interference with glycolysis and respiration and their possible ionophoric or cytolytic activity.
  • (17) The present study examined whether the lack of chronic hemodynamic effects of ANP in control rats was due to changes in vascular reactivity to the peptide.
  • (18) It was the purpose of the present study to describe the normal pattern of the growth sites of the nasal septum according to age and sex by histological and microradiographical examination of human autopsy material.
  • (19) Because many wnt genes are also expressed in the lung, we have examined whether the wnt family member wnt-2 (irp) plays a role in lung development.
  • (20) Pain is not reported in the removal area, the clinical examinations show identical findings on both patellar tendons, X-ray and ultrasound evaluations do not demonstrate any change in patellar position.