(a.) Of, pertaining to, or derived from, the citron or lemon; as, citric acid.
Example Sentences:
(1) One-half of the specimens were treated with citric acid, pH 1, for 3 minutes, while the remainder served as untreated control specimens.
(2) The aza analogue (RS)-3-hydroxy-2,5-pyrrolidinedione-3-acetic acid (6) of the five-membered citric anhydride (2) was prepared in the sequence citric acid----2-phenyl-1,3-dioxolan-4-one-5,5-diacetic acid (1)----citric acid beta-amide (3)----6 and used to resolve ambiguities in the mechanism of the citrate synthase reaction.
(3) In contrast, the HO-DI rats preferred all citric acid solutions more than LE rats.
(4) The results showed a gel effect, which was greater on the identification and quantitation of the low molecular-weight ligand (the percentage of zinc associated with citric acid was lower with Biogel P2).
(5) The extent of the labeled carbon in these products was greatly influenced by factors that affected the citric acid cycle and oxidative phosphorylation.
(6) A histochemical evaluation of the activity of chosen oxido-reductive enzymes of the cardiac muscle connected with the citric acid cycle, glycolysis and pentose shunt in the early experimental alloxan diabetes period in white rats has been carried out.
(7) In conclusion, ruthenium red selectively inhibits the capsaicin, resiniferatoxin and citric acid-induced excitation of the sensory nerves as revealed by calcitonin gene-related peptide-like immunoreactivity release, bronchoconstriction and coughing, suggesting that these agents share a common mechanism of action.
(8) Producers yielding large amounts of citric acid were selected on a modified Czapek agar containing methyl red as pH indicator.
(9) Pigs weaned at 21 d of age (n = 72) were fed a 20% CP corn-soybean meal-based diet (control) with 1.5% fumaric or 1.5% citric acid added to observe the effect of these acids on the pH, chloride ion concentration (Cl-), VFA profile, and microflora population in the stomach, jejunum, cecum, and lower colon contents at -2, 0, 3, 7, 14, and 21 d postweaning.
(10) Ultrasonic preparation with 0.25% sodium hypochlorite solution and final agitation with 50% citric acid solution were found to produce a very clean canal wall, free of smear layer in coronal and middle parts.
(11) The effects of various substrates on the concentrations of free amino acids, citric acid cycle intermediates and acylcarnitines were studies in perfused hindquarter of rat in presence of glucose and insulin in order to assess regulatory mechanisms of the level of citric acid cycle intermediates in skeletal muscle.
(12) Analysis off maximal enzyme activity patterns in the diaphragm following 15 weeks of extreme training (final running duration: 210 min per day, 27 m.min-1 at 15 degrees grade, indicated significant reductions in the marker enzymes of the citric acid cycle (citrate synthase), glycolysis (pyruvate kinase, PK; lactate dehydrogenase, LDH), ketone body utilization (3-keto acid: CoA transferase) and transamination (glutamate pyruvate transaminase, GPT).
(13) Similarly, C-13 NMR spectroscopy successfully described some aspects of glycogen metabolism and the kinetics of citric acid cycle in the myocardium.
(14) Two-dimensional polyacrylamide gel electrophoresis of the acid-soluble nuclear proteins of the AH-66 hepatoma nuclei isolated by the cetylpyridinium chloride procedure as well as by the citric acid procedure revealed that Spots Ac and C16-C18 were significantly intense in the gel pattern.
(15) Taste detection thresholds for sodium chloride, sucrose, citric acid and quinine sulfate were determined with the Henkin three drop forced-choice method at stimulus volumes 0.05 ml, 0.50 ml, and 0.90 ml, with and without water rinses.
(16) The titanium alloy strips were treated with citric acid, stannous fluoride, tetracycline HCl, chlorhexidine gluconate, hydrogen peroxide, chloramine T, sterile water, a plastic sonic scaler tip, and an air-powder abrasive unit.
(17) Maleic acid, malonic acid, oxalic acid, and L-(+)-tartaric acid, as well as other Krebs cycle acids such as citric and isocitric acids, were not accepted by the malate transport system.
(18) Prolactin replacement therapy in hypophysectomized, castrated,TP-treated rats significantly (p less than .005) increased the prostatic weight and both the content and concentration of citric acid.
(19) Measurements of maximal activities of enzymes representative of the citric acid cycle (succinic dehydrogenase and citrate synthase) were similar before and after the training.
(20) The influence of incubation temperature, and of acetic, lactic and citric acids on the minimum pH for the initiation of growth of six strains of Yersinia enterocolitica was determined.
Vitric
Definition:
(a.) Having the nature and qualities of glass; glasslike; -- distinguished from ceramic.