(v. t.) To make acid; to convert into an acid; as, to acidify sugar.
(v. t.) To sour; to imbitter.
Example Sentences:
(1) All rats were examined in the conscious, unrestrained state 12 wk after induction of diabetes or acidified saline (pH 4.5) injection.
(2) they are shown to inhibit in vitro the release of iron from acidified host cell cytosol, consisting mostly of hemoglobin, a process that could provide this trace element to the parasite.
(3) This report describes the partial purification of an HMW renin from hog kidney extracts which had previously been acidified to pH 2.5.
(4) Hydrogen peroxide (1 mM) acidified pHi but no change occurred with 50 microM.
(5) One group of 6 cats was fed a basal, naturally acidifying diet without added acidifiers, and another group of 6 cats was fed 1.7% dietary phosphoric acid.
(6) The heat-deproteinated extract is acidified to pH 3.5-4 and directly analyzed by LC.
(7) Despite physiological differences, acidified milk replacer can be used successfully to raise Angora kids.
(8) The mean gastric pH of the acidified group was 3.2 compared with the group receiving regular feedings into the stomach (pH = 4.7) and the group receiving regular feedings into the duodenum (pH = 3.8) (p < .01).
(9) Aliquots of 24-h urine collections are acidified and applied to columns of Dowex 50W cation-exchange resin.
(10) Acidified Maalox 70 and Al(OH)3 were significantly more potent than unmodified agents against all four tested types of acute mucosal lesions, and this action was probably due to their 'mild irritant' effect as evidenced by extensive exfoliation of the surface epithelial cells observed microscopically after the exposure of the mucosa to these agents.
(11) Studies using a gastric chamber model demonstrated that sucralfate protected the rat gastric mucosa against hemorrhagic erosions induced by 40 percent ethanol and by acidified 80 mM sodium taurocholate.
(12) Samples are extracted with acidic chloroform, filtered through pre-acidified Hy-Flo Supercel, and cleaned up by acid-base partitioning.
(13) However, an important inhibitory effect in the most acidified fibres, cannot be excluded.
(14) The osteoclasts secrete a large amount of protons by the action of H(+)-pump on the ruffled border into the sealed resorption cavity, resulting in the acidified microenvironment under which condition the bone matrix is dissolved.
(15) With HCO3-CO2 present in the luminal bathing solution alone, proximal colon does not significantly acidify or alkalinize the serosal bathing solution.
(16) Quantitative results down to 2.0 micrograms cm-3 of Al in 0.5-cm-3 acidified samples are readily obtainable in standard 5-mm NMR tubes.
(17) Nigericin, an ionophore which acidifies the cytoplasm when cells are placed in medium at low pHe, was not toxic at pHe 6.5 or above but became very toxic as pHe was reduced below this value.
(18) Similar results were obtained when medium was acidified and chromatographed on Sephadex G-50.
(19) The acidified fetal bovine serum (FBS) produces a factor which inhibits the adipose differentiation of murine fibroblasts 3T3-F442A.
(20) Exposure to CO2 acidifies the cytosol of mitochondria-rich cells in turtle bladder epithelium.
Acidulate
Definition:
(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.