(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.
Tertiary
Definition:
(a.) Being of the third formation, order, or rank; third; as, a tertiary use of a word.
(a.) Possessing some quality in the third degree; having been subjected to the substitution of three atoms or radicals; as, a tertiary alcohol, amine, or salt. Cf. Primary, and Secondary.
(a.) Later than, or subsequent to, the Secondary.
(a.) Growing on the innermost joint of a bird's wing; tertial; -- said of quills.
(n.) A member of the Third Order in any monastic system; as, the Franciscan tertiaries; the Dominican tertiaries; the Carmelite tertiaries. See Third Order, under Third.
(n.) The Tertiary era, period, or formation.
(n.) One of the quill feathers which are borne upon the basal joint of the wing of a bird. See Illust. of Bird.
Example Sentences:
(1) The purpose of this study was to define risk factors for nosocomial candidemia in adult patients without leukemia at a tertiary care medical center.
(2) injection of the tertiary amine cholinesterase inhibitor physostigmine (17-70 micrograms kg-1) induced a prompt, sustained and dose-dependent improvement of cardiovascular and respiratory function, with marked increase in the volume of circulating blood and survival of all treated animals, at least for the 2 h of observation.
(3) The measurement procedure should define preanalytical requirements and be based upon traceability from tertiary and secondary reference materials with reference procedure values to primary reference materials.
(4) The expression of such secondary and tertiary syphilis is commonly masked and distorted by the long-term effects of subcurative doses of antibiotics; in fact, late latent and tertiary syphilis produce symptoms and immunosuppression similar to the profile of AIDS.
(5) It is suggested that lung ventilation takes place in the avian embryo in three distinct stages: the major air-ways become aerated, then respiratory movements begin and lastly the tertiary bronchi are slowly aerated.
(6) The disappearance of this band on heating and at high pH was ascribed to the adoption by the telopeptide of a specific tertiary structure.
(7) To demonstrate the feasibility of the approach tRNA was represented as a simple undirected graph containing all relevant information represented in the usual cloverleaf secondary structure and nine base-base tertiary interactions.
(8) The use of Fab fragments in conjunction with Fab-specific secondary and tertiary antisera improved tissue penetration and made it possible to identify a number of the immunoreactive neurons.
(9) At the 200 rad level, the mouse with normal karyotype was compared with the T(1;13)70H translocation heterozygote and the Ts(1(13))7OH tertiary trisomic of normal appearance.
(10) Transmembrane proteins serve important biological functions, yet precise information on their secondary and tertiary structure is very limited.
(11) The participants were divided into seven groups in accordance with their main lines of work: professors, administrative personnel, doctors at the primary, secondary and tertiary care level, residents, and medical students.
(12) With the growing number of dialyzed patients, secondary (sHPT) and tertiary hyperparathyroidism (tHPT) are assuming increasing importance.
(13) Establishing direct lines of communication between the practicing physician and the tertiary center and emphasizing continuing education at all levels seem to be important aspects in the development and maintenance of such a referral system.
(14) A similar transient decrease in 80K mRNA levels was also demonstrated in tertiary cultures of mouse embryo fibroblasts.
(15) These results suggest that the secondary structure of interleukin-2(Ala125) does not require tertiary structure.
(16) The absence of chemical reactivities and cobra venom nuclease sensitivity in the terminal loops of helices 6 and 12 indicate a tertiary interaction unique to HeLa 18S rRNA.
(17) Ultraviolet photocrosslinks seen only in the 30 S particle are likely to be tertiary structure contacts.
(18) As the tertiary test, inhibitors with molecular weights under 1,000 were selected by passage through a Diaflo UM-2 membrane.
(19) The pediatrician is instrumental in identifying potential candidates for epilepsy surgery and referring them to a tertiary-care epilepsy center.
(20) Performance of renal transplants in children frequently necessitates transfer of patients from the care of a local pediatric nephrologist to a regional, tertiary care center that is specially equipped to carry out organ transplantation.