(n.) A substance capable of producing with another a reaction, especially when employed to detect the presence of other bodies; a test.
Example Sentences:
(1) At 36 h postsurgery, RBCs were examined by 23Na-NMR by using dysprosium tripolyphosphate as a chemical shift reagent.
(2) It includes preincubation of diluted plasma with ellagic acid and phospholipids and a starting reagent that contains calcium and a chromogenic peptide substrate for thrombin, Tos-Gly-Pro-Arg-pNA.
(3) The assumption was also corroborated using reagents from a family in which DR3 and DQw2 were not found in the usually described linkage.
(4) The ADAM derivative of carnitine was separated from decomposition products of the reagent and related compounds such as amino acid derivatives on a silica gel column eluted with methanol-5% aqueous SDS-phosphoric acid (990:10:1).
(5) The activity is strongly inhibited by SH-blocking reagents (e.g.
(6) Benzyloxycarbonylarginine p-nitrophenyl ester and other activated esters of N-a-sustituted arginine salts may be useful reagents for introduction of trypsin-labile protecting groups into peptide fragments for purpose of polypeptide semi-synthesis.
(7) Loss of reduced protein thiols, as measured by binding of the thiol reagent iodoacetic acid to GPD, and loss of GPD enzymatic activity occurred in a dose-dependent manner.
(8) Cost-effective immunoassays for the detection of amphetamines, benzodiazepines, and methadone in urine have been developed using Syva EMIT reagents and a Cobas Bio centrifugal analyser.
(9) The presence of a previously unreported dipeptide transport mechanism within blood leukocytes and the selective enrichment of the granule enzyme, DPPI, within cytotoxic effector cells of lymphoid or myeloid lineage appear to afford a unique mechanism for the targeting of immunotherapeutic reagents composed of simple dipeptide esters or amides.
(10) In the highest concentration tested, two other reagents 2,4-dimethoxybenzylamine and N-acetylimidazole, did not influence the activity of the steroisomers on aorta.
(11) On the other hand, the hydrophilic reagents, 1-ethyl-3-[3-(dimethylamino)-propyl]carbodiimide and N-ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline, did not affect organic cation transport.
(12) The histidine-specific reagent diethylpyrocarbonate (DEP) was used to chemically modify TNF.
(13) Subgingival plaque was sampled and the presence or absence of the above mentioned bacteria assessed with BANA reagent cards (Perio Scan).
(14) Histochemical and immunocytochemical staining of the outgrowths with reagents that depict epithelial, myoepithelial, and lactating alveolar cells (peanut lectin alone, monoclonal and polyclonal antibodies to rat caseins) indicate similar cell compositions and arrangements for all outgrowths irrespective of their source; these are also similar to the mammary glands of the perphenazine-stimulated or lactating hosts.
(15) Adhesion and O2- production were also found to be differentially affected by the NADPH oxidase inhibitor diphenylene iodonium, the sulfhydryl reagent N-ethylmaleimide and the A2 agonist adenosine, indicating that these neutrophil responses have various transductional pathways that also depend on the type of stimulus.
(16) Either reagent dislocates FAD from the holoenzyme, leaving a characteristic mercaptide derivative of the apoenzyme.
(17) Since all five reagents are sensitive to the LA, then the best overall reagent will be the one with the best sensitivity to the most important need for the laboratory (usually heparin monitoring).
(18) The enzyme was inhibited by thiol and carbonyl reagents.
(19) Radiation inactivation and simple target theory were employed to determine the molecular weight of an insect CNS alpha-bungarotoxin binding component in the presence and absence of a cross-linking reagent, dimethyl suberimate.
(20) The probes were biotin treated by chemical modification of the DNA by the peraminating reagent or photochemically.
Test
Definition:
(n.) A cupel or cupelling hearth in which precious metals are melted for trial and refinement.
(n.) Examination or trial by the cupel; hence, any critical examination or decisive trial; as, to put a man's assertions to a test.
(n.) Means of trial; as, absence is a test of love.
(n.) That with which anything is compared for proof of its genuineness; a touchstone; a standard.
(n.) Discriminative characteristic; standard of judgment; ground of admission or exclusion.
(n.) Judgment; distinction; discrimination.
(n.) A reaction employed to recognize or distinguish any particular substance or constituent of a compound, as the production of some characteristic precipitate; also, the reagent employed to produce such reaction; thus, the ordinary test for sulphuric acid is the production of a white insoluble precipitate of barium sulphate by means of some soluble barium salt.
(v. t.) To refine, as gold or silver, in a test, or cupel; to subject to cupellation.
(v. t.) To put to the proof; to prove the truth, genuineness, or quality of by experiment, or by some principle or standard; to try; as, to test the soundness of a principle; to test the validity of an argument.
(v. t.) To examine or try, as by the use of some reagent; as, to test a solution by litmus paper.
(n.) A witness.
(v. i.) To make a testament, or will.
(n.) Alt. of Testa
Example Sentences:
(1) Multiple stored energy levels were randomly tested and the percent successful defibrillation was plotted against the stored energy, and the raw data were fit by logistic regression.
(2) In January 2011, the Nobel peace prize laureate was admitted to a Johannesburg hospital for what officials initially described as tests but what turned out to be an acute respiratory infection .
(3) It was tested for recovery and separation from other selenium moieties present in urine using both in vivo-labeled rat urine and human urine spiked with unlabeled TMSe.
(4) These results indicated that the PG determination was the most accurate predictor of fetal lung well-being prior to birth among the clinical tests so far reported.
(5) Clinical surveillance, repeated laboratory tests, conventional radiology, and especially ultrasonography and CT scan all contributed to the preoperative diagnosis.
(6) The hypothesis that proteins are critical targets in free radical mediated cytolysis was tested using U937 mononuclear phagocytes as targets and iron together with hydrogen peroxide to generate radicals.
(7) LHRH therapy leads to higher plasma LH levels and a lower FSH in response to an intravenous LHRH test.
(8) Of the patients 73% demonstrated clinically normal sensibility test results within 23 days after operation.
(9) Neuropsychological testing is a relatively new field in the area of clinical neuroscience.
(10) Thirteen patients with bipolar affective illness who had received lithium therapy for 1-5 years were tested retrospectively for evidence of cortical dysfunction.
(11) Our data suggest that a rational use of surveillance cultures and serological tests may aid in an earlier diagnosis of FI in BMT patients.
(12) The HBV infection was tested by the reversed passive hemagglutination method for the HBsAg and by the passive hemagglutination method for the anti-HBs at the time of recruitment in 1984.
(13) The testing of other models and their failure to describe the kinetic observations are discussed.
(14) It was shown in experiments on four dogs by the conditioned method that the period of recovery of conditioned activity after one hour ether anaesthesia tested 7 to 7.5 days.
(15) Recently, the validity of the American Thoracic Society (ATS) standards for selection of spirometric test results has been questioned based on the finding of inverse dependence of FEV1 on effort.
(16) The hemodynamic efficiency of the drive was tested in a number of in vivo experiments.
(17) Serum samples from 23 families, including a total of 48 affected children, were tested for a set of "classical markers."
(18) Tests showed the cells survive and function normally in animals and reverse movement problems caused by Parkinson's in monkeys.
(19) The promoters of the adenovirus 2 major late gene, the mouse beta-globin gene, the mouse immunoglobulin VH gene and the LTR of the human T-lymphotropic retrovirus type I were tested for their transcription activities in cell-free extracts of four cell lines; HeLa, CESS (Epstein-Barr virus-transformed human B cell line), MT-1 (HTLV-I-infected human T cell line without viral protein synthesis), and MT-2 (HTLV-I-infected human T cell line producing viral proteins).
(20) Immunocompetence was also evident when the cells from thymectomized donors were first incubated with thymus extract for 1 hr and subsequently tested for reactivity.