What's the difference between metallic and saponification?

Metallic


Definition:

  • (a.) Of or pertaining to a metal; of the nature of metal; resembling metal; as, a metallic appearance; a metallic alloy.
  • (a.) Of, pertaining to, or characterized by, the essential and implied properties of a metal, as contrasted with a nonmetal or metalloid; basic; antacid; positive.

Example Sentences:

  • (1) In this study of ten consecutive patients sustaining molten metal injuries to the lower extremity who were treated with excision and grafting, treatment with compression Unna paste boot was compared with that with conventional dressing.
  • (2) The LD50 of the following metal-binding chelating drugs, EDTA, diethylenetriaminepentaacetic acid (DTPA), hydroxyethylenediaminetriacetic acid (HEDTA), cyclohexanediaminotetraacetic acid (CDTA) and triethylenetetraminehexaacetic acid (TTHA) was evaluated in terms of mortality in rats after intraperitoneal administration and was found to be in the order: CDTA greater than EDTA greater than DTPA greater than TTHA greater than HEDTA.
  • (3) Our recurrences are due to local infections, removing the metal strut too early, i.e.
  • (4) "Acoustic" craters were produced by two laser pulses delivered into a saline-filled metal fiber cap, which was placed in a mechanically drilled crater.
  • (5) These results indicate that the inhibition of CarAc by heavy metals occurs by binding of the sulfhydryl on the enzyme by the metals.
  • (6) The consequences of proved hypersensitivity in patients with metal-to-plastic prostheses, either present prior to insertion of the prosthesis or evoked by the implant material, are not known.
  • (7) In general, enzyme activity was strongly reduced by heavy metal inorganic cations; less strongly by organometallic cations, some anions, and certain pesticides; and weakly inhibited by light metal cations and organometallic and organic compounds.
  • (8) EGTA was ineffective in removing calmodulin from particulate preparations, but treatment with the tervalent metal ion La3+ resulted in a loss of up to 98% of calmodulin activity from these preparations.
  • (9) Sift the cocoa powder over the top and lightly but thoroughly fold it in with the metal spoon.
  • (10) 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.
  • (11) 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.
  • (12) This study introduces a simple in vitro arrangement to measure current densities of implant metals.
  • (13) A rubber cuff was fixed on the metal cylinder and let an opening of 8 cm, simulating the cervix uteri.
  • (14) Since the enzyme requires a metal ion (Co2+) we suggest that the RNA and heparin are inhibitory by virtue of their capacity to chelate the Co2+.
  • (15) Lesions of allergic contact type could not be induced in the oral mucosa to any of the metal salt preparations.
  • (16) As yet the observations demonstrate that workers exposed in their occupation to heavy metals (cadmium, lead, metalic mercury) and organic solvents should be subjected to special control for detection of renal changes.
  • (17) This study investigates the photoneutron field found in medical accelerator rooms with primary barriers constructed of metal slabs plus concrete.
  • (18) While a clearcut relationship cannot be established between heavy metal music and destructive behavior, evidence shows that such music promotes and supports patterns of drug abuse, promiscuous sexual activity, and violence.
  • (19) The physiologically important metal ion for catalysis is Mg2+; however, Mn2+ supports in vitro activity, though at a reduced level.
  • (20) We support the view that catalysis by metalloenzymes may be a reflection of the chemistry of the metal ion itself as a Lewis acid, and that perhaps too much emphasis has been placed on supposed special characteristics (such as strains, "entasis") of the enzyme-metal ion association.

Saponification


Definition:

  • (n.) The act, process, or result, of soap making; conversion into soap; specifically (Chem.), the decomposition of fats and other ethereal salts by alkalies; as, the saponification of ethyl acetate.

Example Sentences:

  • (1) Saponification of 3 gave 4 as an oil that gave a crystalline 4-acetate (8).
  • (2) Saponification of the benzoate ester and coupling with L-glutamate concluded the synthesis.
  • (3) Methylation, saponification, and digestion with streptomyces or testicular hyaluronidase, chondroitinase ABC, sialidase, or desoxyribonuclease were also employed.
  • (4) alpha-Trehalose was found in the aqueous phase after saponification of the product.
  • (5) After mild saponification of the extracted residue, additional lipid could be extracted which accounted for 2.1% of the stratum corneum weight.
  • (6) Saponification of (2a) and (2b) independently afforded optically active (3S)- and (3R)-3-OH-RALs (3a) and (3b), respectively, whose absolute structures were determined by circular dichroism (CD) spectra.
  • (7) A gas-liquid chromatographic micromethod for quantitation of cholesterol in 20 micro l of plasma was developed using 5alpha-cholestane as an internal standard, saponification with tetramethylammonium hydroxide-isopropanol, and extraction with tetrachloroethylene-methyl butyrate.
  • (8) The binding capacity can be fully restored by saponification.
  • (9) After deoxygenation of 2'-O-[[(4-methylphenyl)oxy]thiocarbonyl] compounds 20A-E with tributyltin hydride the 2,3'-anhydro bridge of the 2'-deoxynucleosides 21A-E was opened with LiN3 to produce the protected 3'-azido-2,3'-dideoxynucleoside derivatives 22A-G. Saponification with NaOCH3 gave 1-(3'-azido-2',3',5'-trideoxy-beta-D-allofuranosyl)thymine (2; homo-AZT), the 5'-C-(hydroxymethyl) derivatives of AZT 1-(3'-azido-2',3'- dideoxy-beta-D-allofuranosyl)thymine (3) and 1-(3'-azido-2',3'-dideoxy-alpha-L-talofuranosyl)thymine (4), and the 5'-C-methyl derivatives of AZT 1-(3'-azido-2',3',6'-trideoxy-beta-D-allofuranosyl)thymine (5) and 1-(3'-azido-2',3',6'-trideoxy-alpha-L-talofuranosyl)thymine (6).
  • (10) As acid reactants, (2-RS,3-RS)-3-hydroxy-2-tetradecyloctadecanoic acid (DL-corynomycolic acid) and its 2RS,3SR diastereomer were prepared from methyl palmitate by sequential Claisen condensation, reduction, chromatographic separation, and saponification.
  • (11) asparagine, glutamine), cleavage of base labile protecting groups and racemization by alkaline saponification.
  • (12) A sensitive, highly reproducible method for tissue tocopherol analysis that combines saponification in the presence of large nmount of ascorbic acid to remove interfering substances, extraction fo the nonsponifiable lipids with hexane, and fluorometric measurement of the tocopherol is presented.
  • (13) Saponification of a N-protected methyleneglutamic acid dialkyl ester using limiting alkali was shown to selectively yield the alpha-alkyl ester gamma-acid.
  • (14) It has been elucidated as 8-acetyldolaconine by means of IR,MS, 1H and 13CNMR with DEPT, CH-COSY techniques and on the basis of identification with aconosine by saponification.
  • (15) The radiolabeled PAF produced was characterized by TLC, HPLC, derivatization and by saponification and phospholipase A2 hydrolysis.
  • (16) Retinyl ester peaks in rat liver extracts were identified by their characteristic light absorption spectra, susceptibility to saponification, and by co-chromatography with authentic standards.
  • (17) In the lard containing gamma-HCH residues the acid number increased by 42%, the saponification number decreased by 3.6%, the number of 8.1%, the level of palmito-oleic acid by 14%, linoleic acid by 18% and linolenic acid by 30%.
  • (18) Saponification of cerebroside sulfate (sulfatide) by refluxing with 1 N KOH in 90% n-butanol for 1 h yielded ceramide, sphingosine, lysosulfatide (psychosine-3'-sulfate ester) and a hitherto unknown compound.
  • (19) Lead tetraacetate oxidation followed by mild saponification gave 18-hydroxydeoxycorticosterone (58%) yield).
  • (20) O-Deacetylation followed by re-esterification, O-sulfation, saponification, catalytic hydrogenolysis, and N-sulfation gave the decasodium salt of O-(2-deoxy-2-sulfamido-6-O-sulfo-alpha-D- glucopyranosyl)-(1----4)-O-(beta-D-glucopyranosyluronic acid)-(1----4)-O-(2-deoxy-2-sulfamido-3,6-di-O-sulfo-alpha-D-gl ucopyranosyl)-(1----4)-O-(2-O-sulfo-alpha-L-idopyranosyluronic+ ++ acid)-(1----4)-2-deoxy-2-sulfamido-6-O-sulfo-D-glucopyranose.