(v. t.) To make sour or acid in a moderate degree; to sour somewhat.
Example Sentences:
(1) Under the conditions of the study, pretreatment of the tooth roots with 2 per cent acidulated sodium fluoride did not reduce root resorption and ankylosis.
(2) With the exception of the excessive exposure to acidulated fluoride, ammonium bifluoride, or hydrofluoric acid, there is little risk of surface degradation of virtually all current dental ceramics.
(3) There was less load relaxation found in chains that were immersed in distilled water and Acidulated Phosphate Fluoride than in chains exposed only to air.
(4) Using the scanning electron microscope and the polarized light microscope, the effects of acid-etching on acidulated phosphate fluoride (APF)-treated caries-like lesions of enamel were investigated, with respect to the etching patterns produced and the suitability of those patterns for resin bonding, and the histopathological features of the caries-like lesions.
(5) Statistically significant differences in roughness were found among surfaces exposed to 1.23% acidulated phosphate fluoride gel, 8% stannous fluoride, and the control surfaces.
(6) Whereas the effectivity of H2O2 can be influenced only little through the acidulation (to pH 2.7) its combination with chinosole are distinctly superior to H2O2 in their effectivity.
(7) Two groups of children, initially in the first and second grades, chewed, rinsed with, and swallowed an acidulated phosphate-fluoride tablet containing 1 mg of fluoride either once or twice a day in school.
(8) Treatment of the etched enamel with acidulated phosphate fluoride reduced the bond strength of all four fissure sealants.
(9) Acidulated phosphate fluoride topical applications are effective in the prevention of dental caries.
(10) Biological acidulation with a high inoculum of Pediococcus cerevisiae inhibited anaerobic staphylococcal growth but failed to suppress aerobic growth completely.
(11) Application of 1.23% acidulated phosphate fluoride for periods of 16 and 32 minutes caused etching in both groups, but the autoglazed group was significantly more effected.
(12) The results showed that (1) the washing system did not remove F from untreated enamel surface, (2) a four-minute application of an acidulated phosphate fluoride (APF) gel deposited 27.2 (2.4) (mean, S.E.)
(13) With chemical acidulation of sausage, growth could be controlled both aerobically and anaerobically with approximately 1.5% glucono delta lactone.
(14) The sample was distributed into two groups: children from Group 1, which received a semestral topical application of Acidulated Fluor Phosphate at 1.23% and children from Group II, that besides the topical application above related (Group I) also received weekly mouthwashes of sodium fluoride aquesus solution at 0.2%.
(15) Sodium fluoride and sodium monofluorophosphate solutions reduced root surface solubility by approximately 30 percent while acidulated phosphate fluoride and stannous fluoride were more than 2.5 times more effective, the solubility reduction exceeding 80 percent.
(16) The acid-resistance of the tooth surface is strengthened to form noncrystal lanthanum fluoride on its surface by the two-step treatment (F-La treatment) with acidulated-phosphate fluoride and lanthanum chloride solutions as previously reported by Fujiwara, Negishi, Miyagi et al.
(17) The ability of a topical fluoride regimen consisting of a 4-min application of a saturated dicalcium phosphate dihydrate (DCPD) solution followed by a 4-min application of 1.23% acidulated phosphate fluoride (APF) to inhibit caries-like lesion formation in sound enamel was compared to that of a 4-min application of APF.
(18) The effect of 1.23% acidulated phosphate fluoride, 0.40% stannous fluoride gels, and 2.00% citric acid solution on 150.00 overglazed and 150 autoglazed porcelain surfaces was measured using a profilometer.
(19) The amount of calcium and phosphorus liberation by the acid solution was greatest in the control group, followed by the group of teeth treated in acidulated solution and, finally, by those treated in 2% sodium fluoride solution.
(20) Only one of the imported products showed a statistically significant higher fluoride uptake than the acidulated South African manufactured phosphate fluoride gel.
Catalyst
Definition:
Example Sentences:
(1) The radioprotective action in E. coli ATCC 9637 of ascorbate added to media containing the weak sensitizer, tetracycline (effect described by Pittillo and Lucas (1967)), was found to be dependent on the presence of metal catalysts of the autoxidation of ascorbate.
(2) "If I hadn't scored that goal, I might still have ended up playing in Italy [Platt went on to play for Bari, Juventus and Sampdoria] but, realistically, I'm sure it was the catalyst.
(3) Enzymes are good catalysts in terms of high catalytic and specific activity with ability to function under mild conditions.
(4) The main aim of this brief contribution is to suggest that our understanding of the general principles of osmochemistry may provide useful insights into the type of mechanism by which solute-translocating catalysts work.
(5) Shelby Quast, of Equality Now, said the gathering could be a “tipping point” and act as a catalyst for change, so that girls in the US could finally be protected: “It’s the first time that members of the government are coming around the table to meet with civil society, survivors and members of the diaspora – this is the first step towards putting together a comprehensive action plan to tackling FGM.” Campaigners are calling for the government to look at practical ways that FGM could be wiped out in the United States – such as engaging with paediatricians and other doctors, immigration officers and visa offices.
(6) With different oxidation catalysts most antioxidants and amino acids tested enhanced polymerization.
(7) The high sites' density with basic character, evidenced by use of various probe molecules, is very similar for the two asbestos types (chrysotile and crocidolite) and on the same order as the density encountered in some catalysts.
(8) Fillings were made of Concise composite resin, without applying an intermediary resin (1), after applying the resin layer (2), after diluting the mix with one (3) or two (4) drops of catalyst resin but without an intermediary resin, and after diluting the mix and applying the resin layer (5).
(9) Monoclonal antibodies elicited to haptens that are analogs of the transition state for hydrolysis of carboxylic esters behaved as enzymic catalysts with the appropriate substrates.
(10) Rapid addition of purines and pyrimidines to alpha, beta-unsaturated carbonyl compounds (such as acrolin) is a general phenomenon which does not require an amine catalyst.
(11) Time acts as a catalyst for members to learn to respect and appreciate each other.
(12) The resulting solution is directed into tubes containing a catalyst that is activated by UV light and causes the dissolved CO2 to react with water (H2O) to form methanol (CH3OH).
(13) Manganese therefore acts as a catalyst for the non-enzymatic reaction, but magnesium does not.
(14) When the reaction was done in dimethyl sulfoxide, with 1-methylimidazole as the catalyst, a third compound was observed, and identified as 1,2,4-tri-O-acetyl-3-C-(acetoxymethyl)-3-O-(methylthiomethyl)-D-glycero- tetrito l [3-O-(methylthiomethyl)apiitol tetraacetate] by gas-liquid chromatography and mass spectrometry.
(15) Russell also described the Commonwealth Games as a catalyst but was realistic enough not to claim they immediately changed an area with long, deep-rooted problems, or miraculously roused a poor, generally unhealthy local population into vigorously playing sport.
(16) The device limits the amount of oxygen entering with the sample to a maximum of 2%, which is rapidly removed by reacting with hydrogen in the presence of a palladium catalyst.
(17) The yields of Thf-FU and more especially of Thf2-FU were greatly dependent on the relative amount of SnCl4, and 0.01-0.1 equiv of the catalyst with respect to Me3Si-FU gave the best results.
(18) Some officers close to the case believe George and Allen may have always harboured paedophilic thoughts but Blanchard provided a "catalyst" which encouraged them to act out their fantasies.
(19) Dusan Tadic was introduced at the break and looked a catalyst for a comeback.
(20) These findings may indicate that trace amounts of acidic catalysts remaining after production of IPM are responsible for the toxic effect.