(n.) Examination and determination; test; as, an assay of bread or wine.
(n.) Trial by danger or by affliction; adventure; risk; hardship; state of being tried.
(n.) Tested purity or value.
(n.) The act or process of ascertaining the proportion of a particular metal in an ore or alloy; especially, the determination of the proportion of gold or silver in bullion or coin.
(n.) The alloy or metal to be assayed.
(v.) To try; to attempt; to apply.
(v.) To affect.
(v.) To try tasting, as food or drink.
(v.) To subject, as an ore, alloy, or other metallic compound, to chemical or metallurgical examination, in order to determine the amount of a particular metal contained in it, or to ascertain its composition.
(v. i.) To attempt, try, or endeavor.
Example Sentences:
(1) Results by these three assays were also highly reproducible.
(2) However, when first trimester specimens were analyzed, the direct-product measurements were significantly larger than the corresponding 3H2O assay results.
(3) This difference was not due to ATPase activity in the assay.
(4) Immunocytochemistry was used to visualize cytoskeletal structures and to assay selective disruption of neurofilaments by acrylamide.
(5) After 2 weeks, the native and heterotopic pituitaries were assayed for SP, TSH, PRL, and LH.
(6) Proliferation assays using F3 showed that 15 (14 CD4+ and 1 CD8+) of the 18 isolated clones were specific for T. gondii.
(7) The transported pIgA was functional, as evidenced by its ability to bind to virus in an ELISA assay and to protect nonimmune mice against intranasal infection with H1N1 but not H3N2 influenza virus.
(8) Pokeweed mitogen-stimulated rat spleen cells were identified as a reliable source of rat burst-promoting activity (PBA), which permitted development of a reproducible assay for rat bone marrow erythroid burst-forming units (BFU-E).
(9) The enzyme, when assayed as either a phospholipase A2 or lysophospholipase, exhibited nonlinear kinetics beyond 1-2 min despite low substrate conversion.
(10) The increase in red blood cell mass was associated with an elevation in erythropoietic stimulatory activity in serum, pleural fluid, and tumor-cyst fluid as determined by the exhypoxic polycythemic mouse assay.
(11) The hprt T-cell cloning assay allows the detection of mutations occurring in vivo in the hypoxanthine-guanine phosphoribosyltransferase (hprt) gene of T-lymphocytes.
(12) Estimates of potential for gastrointestinal side effects using the rat enteropooling assay and in vivo monkey effects indicate that diarrhea will be substantially reduced with retention of uterine stimulating potency.
(13) Optimum rates of acetylene reduction in short-term assays occurred at 20% O2 (0.2 atm (1 atm = 101.325 kPa] in the gas phase.
(14) We have measured the antibody specificities to the two polysaccharides in sera from asymptomatic group C meningococcal carriers and vaccinated adults by a new enzyme-linked immunosorbent assay (ELISA) procedure using methylated human serum albumin for coating the group C polysaccharide onto microtiter plates.
(15) 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.
(16) For the detection of this antigen, a double antibody sandwich enzyme-linked immunosorbent assay (ELISA) was employed.
(17) In fact, the addition of conditioned medium obtained by 48 hr preincubation of isolated monocytes with 10% PF-382 supernatant (M-CM2) or the concomitant addition of supernatant from PF-382 cells (PF-382-CM) and from unstimulated monocytes (M-CM1) are capable of fully replacing the presence of monocytes in the BFU-E assay.
(18) Congenitally deficient plasmas were used as the substrate for the measurement of procoagulant activities in a one-stage clotting assay.
(19) Nevertheless, this LTR does not govern efficient transcription of adjacent genes in a transient expression assay.
(20) A one point dilution enzyme-linked immunosorbent assay (ELISA) procedure suitable for determining immunoglobulin G (IgG) antibody levels to Toxoplasma gondii (T. gondii) in community seroepidemiological surveys is described.
Sample
Definition:
(n.) Example; pattern.
(n.) A part of anything presented for inspection, or shown as evidence of the quality of the whole; a specimen; as, goods are often purchased by samples.
(v. t.) To make or show something similar to; to match.
(v. t.) To take or to test a sample or samples of; as, to sample sugar, teas, wools, cloths.
Example Sentences:
(1) Samples are hydrolyzed with Ba (OH)2, and the hydrolysate is passed through a Dowex-50 column to remove the salts and soluble carbohydrates.
(2) An automated continuous flow sample cleanup system intended for rapid screening of foods for pesticide residues in fresh and processed vegetables has been developed.
(3) Patient plasma samples demonstrated evidence of marked complement activation, with 3-fold elevations of C3a desArg concentrations by the 8th day of therapy.
(4) The proportion of motile spermatozoa decreased with time at the same rate when samples were prepared in either HEPES or phosphate buffers.
(5) However, this deficit was observed only when the sample-place preceded but not when it followed the interpolated visits (second experiment).
(6) Blood samples were analysed by mass spectroscopy and gas chromatography.
(7) Simplicity, high capacity, low cost and label stability, combined with relatively high clinical sensitivity make the method suitable for cost effective screening of large numbers of samples.
(8) The main clinical features pertaining to the concept of the "psycho-organic syndrome" (POS) were investigated in a sample of children who suffered from severe craniocerebral trauma.
(9) Serum samples from 23 families, including a total of 48 affected children, were tested for a set of "classical markers."
(10) Confined placental chorionic mosaicism is reported in 2% of viable pregnancies cytogenetically analyzed on chorionic villi samplings (CVS) at 9-12 weeks of gestation.
(11) Sample processing appears effective in avoiding spontaneous oxalogenesis.
(12) 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.
(13) Finally the advanced automation of the equipment allowed weekly the evaluation of catecholamines and the whole range of their known metabolites in 36 urine samples.
(14) Analysis revealed some significant differences in the false-positive rate, depending on the test method used or virus samples evaluated.
(15) Just after blood sampling, FEV1 measurements were performed.
(16) 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).
(17) A chronic cannulation procedure is described which allows for sampling vomeronasal organ (VNO) contents repeatedly in freely moving conscious subjects.
(18) Estimates of the risk probability for each dose level and sacrifice time are found utilizing the sample likelihood as the posterior density.
(19) Flow cytometric DNA analysis was performed on both fresh and on paraffin embedded samples obtained by gastroscopic biopsies in 5 patients with histologically normal gastric mucosa (20 specimens) and by radical gastrectomies in 9 cases of human gastric cancer (36 specimens).
(20) The measurement of the intestinal metabolism of the nitrogen moiety of glutamic acid has been investigated by oral ingestion of l-[15N]glutamic acid and sampling of arterialized blood.