(n.) One of a class of caustic bases, such as soda, potash, ammonia, and lithia, whose distinguishing peculiarities are solubility in alcohol and water, uniting with oils and fats to form soap, neutralizing and forming salts with acids, turning to brown several vegetable yellows, and changing reddened litmus to blue.
Example Sentences:
(1) Significant amounts of 35S-labeled material were lost during the alkali treatment.
(2) The results also suggest that both alkali metals most probably have been delivered to the suckling pups and some of their toxic effect was retarded.
(3) Rabbits eating Rabbit Chow excreted a very alkaline urine, but rats eating the same diet excreted much less alkali when expressed per kilogram of body weight.
(4) From these findings it is concluded that cardiac performance and carbohydrate metabolism are accelerated in alkali and depressed in acid perfusion, and that myocardial metabolism could be affected by pH not only secondary to the change of performance but also by itself.
(5) Electrophoresis, Sephadex chromatography, and ultrafiltration studies showed that the alkali-soluble, water-soluble cell wall antigen is comprised of lipid, polysaccharide, and protein and has a molecular weight range of 30,000 to 50,000.
(6) [Na+],[Cl-)and[alkali]were determined in the alkaline gastric juice samples (pH greater than 7.0).
(7) Plants placed in pure acid and alkali solutions were also able to neutralize the medium.
(8) TFP produced a more discrete block in the repair of alkali-labile lesions in DNA.
(9) Activation of GV by monochromatic 450-nm radiation causes two specific DNA changes in human P3 cells in culture as shown by alkaline elution techniques: single-strand breaks (i.e., alkali-labile sites plus frank strand scissions) and DNA-to-protein covalent bond crosslinks.
(10) Keratan sulphate was isolated from bovine intervertebral disc and bovine nasal septum after hydrolysis with proteinases and treatment with dilute alkali.
(11) It was necessary to avoid CsCl banding of procapsids in their preparation as this treatment altered both their pI and their sensitivity to alkali dissociation into 14S subunits.
(12) In these muscles, two kinds of mRNA for the cardiac myosin alkali light chain, identical with those in ventricular muscle, were expressed and their relative amount in each tissue was almost the same as that in ventricular muscle.
(13) The enzymes were detected and characterized by agarose gel electrophoresis of alkali-denatured digestion products.
(14) The alkali cations selectivity sequence induced by ETH1811 is Li+ (1) greater than Na+ (0.08) greater than K+ (0.02) greater than Cs+ (0.008).
(15) When the monomer was further dissociated into constituent subunits in strong alkali or at high concentrations of SDS, the CD spectrum disappeared almost completely, indicating loss of the asymmetric interactions of the chromophoric heme a with its immediate environments, consisting of the subunit assembly.
(16) Addition of alkali to the culture media results in decrease of cell GAD activity, whereas increase of enzyme level occurs only in cells growing in unbuffered media.
(17) Chain breaks as measured in alkali were also measured and found to be enhanced by the dye; the ratio of breaks per iodine loss was 0.9.
(18) Alkali hydrolysates of elastins contained a radioactive peak that was eluted between proline and leucine.
(19) Under limiting concentration conditions, BLM and NCS induce alkali-labile sites in DNA without a subsequent cleavage of the chain.
(20) Hydrolysis with mild alkali yields anhydroretinol, as it does for synthetic retinyl phosphate, with absorption maxima at 388, 368, and 346 nm.
Corrode
Definition:
(v. t.) To eat away by degrees; to wear away or diminish by gradually separating or destroying small particles of, as by action of a strong acid or a caustic alkali.
(v. t.) To consume; to wear away; to prey upon; to impair.
(v. i.) To have corrosive action; to be subject to corrosion.
Example Sentences:
(1) The anodic polarization profiles are presented, as well as scanning electron micrographs and x-ray analysis of the corroded amalgam surfaces.
(2) It has increased costs, jeopardized the delivery of necessary medical services, and corroded the physician-patient relationship with mistrust and poor morale.
(3) In some cases the deposits appear to be caused by pulsing the electrode with current, while in other cases the deposits are corroded or abraded from the electrode or are otherwise not associated with the neuroprosthetic functioning of the implant.
(4) The authors investigated two cryostimulation regimes: working temperature -70 degrees C, 10 points for 7 seconds on the borderline of the corroded area of the cornea, and working temperature of -160 degrees C, 10 points and four seconds on the limbus of the cornea.
(5) Of corroding bacilli, Bacteroides gracilis was detected in 23% of the infants, Wolinella spp.
(6) Fourteen strains of Eikenella corrodens isolated from human oral cavity were studied to determine corroding characteristics.
(7) Even in 1967, Israel's wisest voices saw that the occupation would steadily corrode Israeli society from the inside There is no shortage of evidence of that moral corruption.
(8) Scanning electron microscopy of these corroded casts was performed.
(9) "There comes a time when the cup of endurance runs over" ... "Amen" from the crowd, " ... and men are no longer willing to be plunged into an abyss of injustice where they experience the bleakness of corroding despair ... " " Yes, Lord."
(10) All the amalgams corroded along the grain boundaries in the gamma 1 phase.
(11) These corroding bacilli were further divided into 3 species on the basis of DNA hybridization studies using radiolabeled DNA from 2 representative corroding bacilli.
(12) A numerical taxonomic study of 64 strains of anaerobic Gram-negative bacilli isolated from men with non-gonococcal urethritis, two unclassified laboratory strains of 'corroding bacilli', and 12 other strains of anaerobic Gram-negative bacilli, including nine received as anaerobic curved rods and three as 'Bacteroides corrodens' (B. ureolyticus), isolated from women with bacterial vaginosis, was undertaken.
(13) The vascular pathways associated with the glomerulus of the Atlantic hagfish, Myxine glutinosa have been studied by scanning electron microscopy of corroded resin casts of the vasculature.
(14) We studied the micro-architecture of the rat femoral head using a corroding casting method described by Murakami in comparison with haematoxylin-eosin preparation and transparent preparation.
(15) Under the experimental conditions the non-gamma 2-amalgams were more corroded than the conventional amalgam.
(16) On SEM of the Superbond material placed in contact with corroded metal and enamel, retentive structures were found to spread, thus producing a micromechanical bond.
(17) The oceans turned acidic, corroding the sea floor; the waters warmed, and countless organisms perished in a great extinction event.
(18) The % G + C content of E. corrodens strains varied from 56 to 58%, and from 56 to 60% for unidentified corroding bacilli.
(19) The amalgams were poorly contoured and had corroded, resulting in continued release of mercury ions.
(20) The two outer ring zones yielded bacteria that formed agar surface colonies of spreading-corroding morphology, while cells from the innermost zone always yielded colonies with a different morphology.