(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.
Prove
Definition:
(v. t.) To try or to ascertain by an experiment, or by a test or standard; to test; as, to prove the strength of gunpowder or of ordnance; to prove the contents of a vessel by a standard measure.
(v. t.) To evince, establish, or ascertain, as truth, reality, or fact, by argument, testimony, or other evidence.
(v. t.) To ascertain or establish the genuineness or validity of; to verify; as, to prove a will.
(v. t.) To gain experience of the good or evil of; to know by trial; to experience; to suffer.
(v. t.) To test, evince, ascertain, or verify, as the correctness of any operation or result; thus, in subtraction, if the difference between two numbers, added to the lesser number, makes a sum equal to the greater, the correctness of the subtraction is proved.
(v. t.) To take a trial impression of; to take a proof of; as, to prove a page.
(v. i.) To make trial; to essay.
(v. i.) To be found by experience, trial, or result; to turn out to be; as, a medicine proves salutary; the report proves false.
(v. i.) To succeed; to turn out as expected.
Example Sentences:
(1) 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.
(2) Treatment termination due to lack of efficacy or combined insufficient therapeutic response and toxicity proved to be influenced by the initial disease activity and by the rank order of prescription.
(3) "The Samaras government has proved to be dangerous; it cannot continue handling the country's fate."
(4) 119 representatives of this population were checked in their sexual contacts; of these, 13 persons proved to be infected with HIV.
(5) 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.
(6) Well tolerated from the clinical and laboratory points of view, it proved remarkably effective.
(7) It arguably became too comfortable for Rodgers' team, with complacency and slack defending proving a dangerous brew.
(8) She was organised, good with people, very grown up and quickly proved herself to be indispensable.
(9) Proving that not all teens are content with being part of a purely digital community, Adele Mayr attended a YouTube meet-up in London’s Hyde Park.
(10) Gamma-irradiated splenic homogenates of armadillos infected with M. leprae proved sterile by conventional tests and media.
(11) None of the compounds proved active against the replication of retroviruses (human immunodeficiency virus, murine sarcoma virus) at concentrations that were not toxic to the host cells.
(12) A polypotent mechanism of the stimulating effect of fibronectin instillations during all the stages of the reparative process in the corneal tissue was proved.
(13) Platelet survival time in patients with Crohn's disease proved to be significantly shortened (p less than 0.001), whereas platelet turnover appeared augmented.
(14) The data obtained from all groups proved to be consistent.
(15) A newborn presenting with persistent umbilical stump bleeding should be screened for factor XIII deficiency when routine coagulation tests prove normal.
(16) Treatment was monitored by simple measurements, and it's toxicity proved to be scanty.
(17) The resistance proved to be directly dependent upon the specific antisense RNA and to be inversely proportional to the multiplicity of infecting polyoma.
(18) Accordingly, LPA proved an extremely stable characteristic which did not show any substantial variations in the course of five years.
(19) The obtained protein fraction proved to be a glycoprotein according to the positive staining with periodic acid Schiff.
(20) The consequences of proved hypersensitivity in patients with metal-to-plastic prostheses, either present prior to insertion of the prosthesis or evoked by the implant material, are not known.