(n.) The act or process of resolving the constituent parts of a compound body or substance into its elementary parts; separation into constituent part; analysis; the decay or dissolution consequent on the removal or alteration of some of the ingredients of a compound; disintegration; as, the decomposition of wood, rocks, etc.
(n.) The state of being reduced into original elements.
(n.) Repeated composition; a combination of compounds.
Example Sentences:
(1) The ADAM derivative of carnitine was separated from decomposition products of the reagent and related compounds such as amino acid derivatives on a silica gel column eluted with methanol-5% aqueous SDS-phosphoric acid (990:10:1).
(2) The decomposition of nafcillin and penicillin G solutions was hastened significantly by magnesium sulphate due to effect on the pH values of the solutions.
(3) The UV and IR absorption spectra of compounds present in the eluate were compared with those of model compounds that were assumed to exist in the gel as impurities after the polymerization (monomers and oligomers of hydroxyethyl methacrylate, decomposition products of initiators).
(4) The decomposition of nitrosourea is facilitated when a proton or lithium ion is positioned at the oxygen of the nitroso group.
(5) Inactivation is due to alkylation by 2-methylene-3(2H)-furanone, a decomposition product of the enzymic product 3'-keto-2'-deoxyuridine triphosphate.
(6) During heat treatment, decomposition to isopilocarpine predominated over decomposition to pilocarpic or isopilocarpic acid.
(7) The rate of decomposition of cis-4-OHCP was much faster in plasma than in buffer at pH 7.4.
(8) Hydroxyapatite thermal decomposition product is a mixture of alpha-tricalcium phosphate and tetracalcium phosphate.
(9) A quantitative assay has been developed for putrescine, cadaverine, histamine, and several free amino acids--lysine, arginine, and histidine--as a measure of decomposition.
(10) At temperatures of 200-300 degrees C hexamine decomposition is reported to produce mainly ammonia and formaldehyde.
(11) The hygienic control of polluted surface waters has to be correlated with measurements of the decomposition rate of heterotrophic microbial populations.
(12) Using the malonic acid concentration as a measure of decomposition, this method was used to determine the hydrolytic stability of Meldrum's acid and its skin penetration properties.
(13) Their growth development during the treatment agreed very well with the results of decomposition and deodorization.
(14) The kinetic 13C isotope effect on the decomposition of carbamoyl phosphate to cyanate and phosphate is 1.058.
(15) Enhanced esterification of cholesterol could function as an early primary factor injuring the myelin membrane, the lysocompounds may be involved at a later stage in the pathomechanism of myelin decomposition in the central nervous system.
(16) The cholesterol is possibly a decomposition product of the monohydrate.
(17) The importance of the decomposition of phosphatidylinosite and of its phosphate esters in binding of certain ligands to receptors is shown.
(18) By decomposition of reconstituted receptors with proteases, we demonstrated the homogeneous orientation of the receptor with its extracellular head group pointing to the convex side of the vesicles.
(19) The injected decomposition product was found to be solid at the time of sacrifice in all animals.
(20) The ion content of heart tissue was measured with flame spectrometer after the decomposition of myocardium by Lumatom tissue solubizer.
Thermolysis
Definition:
(n.) The resolution of a compound into parts by heat; dissociation by heat.
Example Sentences:
(1) The inactivation of lysozyme caused by the radicals produced by thermolysis of 2,2'-azo-bis-2-amidinopropane can be prevented by the addition of different compounds that can react with the damaging free radicals.
(2) Vaporization of a ornithine-containing polar lipid from Thiobacillus thiooxidans has been accomplished by thermolysis in a chemical ionization source.
(3) Complications of electrolysis and thermolysis and the pathophysiology of hair regrowth are presented.
(4) The assay involves extraction with diethyl ether, thermolysis of the sulphonylureas at 100 degrees C and trapping of the resulting amines with 2,4-dinitrofluorobenzene.
(5) The present work constitutes an entirely novel contribution in the scope of microbiology and especially in taxonomy, introducing thermolysis curves as a rapid method of characterization of fungal polysaccharides and bacterial lipopolysaccharides.
(6) These findings were not surprising in light of our previous studies on the formation of PCDFs and PCDDs from the thermolysis (500-750 degrees C in presence of air) of PCBs or PCBZs.
(7) The historical, legal, and theoretical aspects and clinical technics of both electrolysis and thermolysis are critically reviewed.
(8) Both methylthiosulphoxide epimers (V) have been shown to be susceptible to thermolysis yielding the monoethylthio- derivative (VI) via elimination of methylsulphenic acid.
(9) The results are interpreted in terms of an efficient inactivation of the enzyme by the alkylperoxyl radicals generated by thermolysis of the azocompound.
(10) Cadaverine at final concentration 1.0 and 0.1 mM protected lysosomes from thermolysis.
(11) Meningitis due to Gemella haemolysans developed in a 73 year old woman after thermolysis of the Gasserian ganglion for trigeminal neuralgia.
(12) The results demonstrate the utility of chemical ionization for developing an understanding of a thermolysis process.
(13) Neither Tty, Tva, nor Ts, alone constitutes the specific stimulus leading to thermolysis by sweating.
(14) The molecular ion is the base peak in the majority of cases, provided that thermolysis is minimized when using the direct probe or gas chromatography inlets.
(15) When given to the rats at the nadir of ethanol hypothermia, diazepam did not potentiate ethanol's thermolysis but retarded the recovery from hypothermia; it caused also a dose-dependent delay in the recovery of motor coordination and other responses.
(16) Thermolyzed casein promotes early colonic precursor lesions in a dose-dependent and thermolysis time-dependent manner; thermolyzed casein also promotes colon cancer.
(17) To determine how thermolysis affects this promotion, we examined thermolysis conditions, quantity of thermolyzed protein in the diet, and duration of thermolysis.
(18) We propose that the elevated basal temperature observed in SHR is not due to an impaired thermolysis but the result of a noradrenaline-mediated hyperreactivity to environmental stress, e.g.
(19) Some historical parallels exist between this disturbing period and present day electrolysis and thermolysis practice: only twenty-seven states currently require licensing for permanent hair removal, which is a procedure with rare but potentially serious complications.
(20) Sixteen plant-derived or synthetic coumarins with various hydroxyl and other substitutions were tested for their ability to scavenge alkylperoxyl radicals generated in the aqueous phase by the controlled thermolysis of 2,2'-azo-bis-(2-amidinopropane) dihydrochloride (ABAP).