(n.) Any action in resisting other action or force; counter tendency; movement in a contrary direction; reverse action.
(n.) The mutual or reciprocal action of chemical agents upon each other, or the action upon such chemical agents of some form of energy, as heat, light, or electricity, resulting in a chemical change in one or more of these agents, with the production of new compounds or the manifestation of distinctive characters. See Blowpipe reaction, Flame reaction, under Blowpipe, and Flame.
(n.) An action induced by vital resistance to some other action; depression or exhaustion of vital force consequent on overexertion or overstimulation; heightened activity and overaction succeeding depression or shock.
(n.) The force which a body subjected to the action of a force from another body exerts upon the latter body in the opposite direction.
(n.) Backward tendency or movement after revolution, reform, or great progress in any direction.
Example Sentences:
(1) A 2.5-month-old child with cyanotic heart disease who required long-term PGE1 infusions; developed widespread periosteal reactions during the course of therapy.
(2) We used the polymerase chain reaction (PCR) to amplify the breakpoint area of alpha-thalassemia-1 of Southeast Asia type and several parts of the alpha-globin gene cluster to make a differential diagnosis between alpha-thalassemia-1 and Hb Bart's hydrops fetalis.
(3) The assembly reaction is accompanied by characteristic changes in fluorescence emission and dichroic absorption.
(4) Cantact placing reaction times were measured in cats which were either restrained in a hammock or supported in a conventional way.
(5) The effects of sessions, individual characteristics, group behavior, sedative medications, and pharmacological anticipation, on simple visual and auditory reaction time were evaluated with a randomized block design.
(6) If the method was taken into routine use in a diagnostic laboratory, the persistence of reverse passive haemagglutination reactions would enable grouping results to be checked for quality control purposes.
(7) Because cystine in medium was converted rapidly to cysteine and cysteinyl-NAC in the presence of NAC and given that cysteine has a higher affinity for uptake by EC than cystine, we conclude that the enhanced uptake of radioactivity was in the form of cysteine and at least part of the stimulatory effect of NAC on EC glutathione was due to a formation of cysteine by a mixed disulfide reaction of NAC with cystine similar to that previously reported for Chinese hamster ovarian cells (R. D. Issels et al.
(8) Between 22 HLA-identical siblings and 16 two-haplotype different siblings, a significant difference in concordance of reactions for the B-cell groups was noted.
(9) The second amino acid residue influences not only the rate of reaction but also the extent of formation of the product of the Amadori rearrangement, the ketoamine.
(10) Meanwhile the efficiency of muscarinic antagonists in inhibition of tremor reaction induced by arecoline administration is associated with interaction between the drugs and the M2-subtype.
(11) IgE-mediated acute systemic reactions to penicillin continue to be an important clinical problem.
(12) No reaction product was observed in the lamellar areas.
(13) The content of the cavities was not stained by any of the immunocytochemical reactions applied.
(14) Furthermore, all of the sera from seven other patients with shock reactions following the topical application of chlorhexidine preparation also showed high RAST counts.
(15) Nucleotide, which is essential for catalysis, greatly enhances the binding of IpOHA by the reductoisomerase, with NADPH (normally present during the enzyme's rearrangement step, i.e., conversion of a beta-keto acid into an alpha-keto acid, in either the forward or reverse physiological reactions) being more effective than NADP.
(16) The specific limited trypsinolysis of bacteriophage T7 RNA polymerase (T7RP) was performed in the presence of various components of the polymerase reaction and some GTP-analogs--irreversible inhibitors of the enzyme.
(17) The stopped-flow technique was used to measure the rate constants for the reactions between the oxidized forms of peroxidase with luminol and the following substrates: p-iodophenol, p-bromophenol, p-clorophenol, o-iodophenol, m-iodophenol, luciferin, and 2-iodo-6-hydroxybenzothiazole.
(18) The data are compared with the results from 79 patients with a bipolar depression, 192 with a neurotic depression and 89 with a depressive reaction.
(19) In particular, inflammatory reaction was significantly more frequent and severe in ischemic groups than in controls, independent of the degree of coronary stenosis.
(20) This suggests that Mg2+ accelerated both reactions from a single class of site.
Titration
Definition:
(n.) The act or process of titrating; a substance obtained by titrating.
Example Sentences:
(1) Adverse outcomes were reported more frequently by consultant physicians, by those who 'titrated' the intravenous sedative, and by those who used an additional intravenous agent, but were reported equally frequently by endoscopists using midazolam and endoscopists using diazepam.
(2) In 0.17 M Na+(aq), tRNA(Phe) exists in its native conformation and the number of strong binding sites (Ka greater than or equal to 10(4)) was estimated to be 3-4 by titration experiments, in agreement with X-ray structural data for crystalline tRNA(Phe) (Jack et al., 1977).
(3) In conclusion, the ability of distal tubules to establish a significant pH gradient will contribute to the titration of non bicarbonate buffers, i.e., to titratable acid formation.
(4) In 33 patients with heart failure (NYHA II-III), the 24-h blood pressure rhythm was examined before and after the titration period of two ACE inhibitors.
(5) The reactivity of the three disulphide bridges of insulin towards sodium sulphite was studied by amperometric titration of the liberated thiol groups.
(6) At necropsy, specimens were collected for histological examination, rickettsial immunofluorescence, rickettsial titration, and antirickettsial antibody titration.
(7) The equilibrium binding constants for the binary complex formation of eIF-4E-eIF-4A, m7GpppG-eIF-4E, m7GpppG-eIF-4F, globin mRNA-eIF-4E, globin mRNA-eIF-4F, and globin mRNA-eIF-4A were measured by direct fluorescence titration experiments.
(8) Data relating depolarization-induced 45Ca uptake to pH fit a titration curve with a pKa approximately 6.
(9) Further the results of a test under practical conditions in a swimming pool are shown and the possibility to discriminate different types of waters by their chlorine demand under constant-titration.
(10) The association constant for the complex of melittin with apo-alpha-lactalbumin determined from spectropolarimetric melittin-titration data is 2 X 10(7) M-1.
(11) The ionization constants of 3 of the histidine residues of ribonuclease A have beenobtained at 5 temperatures from the nuclear magnetic resonance titration curves of the imidazole C2 proton resonances.
(12) The comparison of titration data between the cyclic and linear analogs of angiotensin II indicates that in the pH range 4 to 9, angiotensin II has a preferential folded conformation.
(13) Gastric juice was examined in terms not only of conventional indices, observed volume, titratable acidity and acid output, but also Vg, the volume corrected for pyloric loss and duodenal reflux.
(14) The aim in postoperative pain therapy is a time-contingent dosing after careful intravenous titration of the compound in the lower dose range during continuous supervision.
(15) Titration of glucose-depleted synaptosomes with pyruvate in the presence of either veratridine or uncoupler stimulates respiration in a Ca2+-independent manner.
(16) An Immuno Sorbent Binding Bio-Assay (ISBBA) for the detection and the titration of antisera to the highly biologically active proteins, alpha interferons, is described.
(17) The tetanus antitoxin titers of blood obtained by venepuncture and those of finger-blood absorbed on filter paper are compared when the titration techniques use fresh or formalinized erythrocytes sensitized by the bis-diazotized benzidine (BDB) method.
(18) The ELISA-AS-Abs seems to bring the advantage of eliminating the need for fresh semen for antibody titration and also means that there is no subjective interference with the evaluation of the results.
(19) Immunochemical titration, immunoblot analysis and labelling in vivo with antibody raised against 2-oxoglutarate decarboxylase showed that the increase in 2-oxoglutarate decarboxylase activity was due to synthesis of new protein and not to activation of pre-existing protein.
(20) The ORD titrations of ApAp(3') and CpCp(3'), which were made by measuring the ORD curves at closely spaced pH intervals, exhibit a maximum at approx.