(1) Alkalimetric pH-stat titrations of cephalosporin C, cephacetril and their deacetyl derivatives using an acetyl esterase and beta-lactamase are described.
(2) An alkalimetric method was used to determine the enzyme activity and to estimate its inhibition by 6-amino-penicillanic acid derivatives.
(3) Alkalimetric, spectrophotometric, NMR, and resonance Raman titrations are reported for the sulfonamide Neoprontosil in aqueous solution.
(4) The advantages of the proposed method are good stability of sodium borohydride volumetric solution and insensitivity of titrated systems to CO2 from the atmosphere, which is unavoidable with alkalimetric titrations in aqueous and non-aqueous systems.
(5) A potentiometric acidi-alkalimetric titration, carried out in nonaqueous solution with the application of a titriprocessor is applied as an assay.
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.