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Comparison of two thermochemolytic methods for the analysis of lignin in decomposing gymnosperm wood: the CuO oxidation method and the method of thermochemolysis with tetramethylammonium hydroxide
Abstract Comparison of the new TMAH thermochemolysis procedure with the traditional CuO oxidation procedure for lignin characterization in gymnosperm wood and soil formed from degraded gymnospermExpand
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Shared genes related to aggression, rather than chemical communication, are associated with reproductive dominance in paper wasps (Polistes metricus)
BackgroundIn social groups, dominant individuals may socially inhibit reproduction of subordinates using aggressive interactions or, in the case of highly eusocial insects, pheromonal communication.Expand
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Biological and chemical interactions of pesticides with soil organic matter.
There is little doubt that organic matter plays a major role in the binding of pesticides in soil, and that this phenomenon is usually the most important cause for interaction of pesticides in theExpand
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Tetramethylammonium hydroxide (TMAH) thermochemolysis: proposed mechanisms based upon the application of 13C-labeled TMAH to a synthetic model lignin dimer
The mechanism by which heated tetramethylammonium hydroxide (TMAH) degrades the lignin biopolymer was investigated by the novel application of 13C-labeled TMAH (13C-TMAH) in the thermochemolysis of aExpand
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New experimental constraints on the composition and structure of tholins
Powdered samples of carbon–nitrogen-hydrogen “tholins” that mimic Titan's atmosphere aerosols were produced under levitation conditions in the laboratory with a dusty plasma (PAMPRE experiment) usingExpand
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Use of high-resolution carbon-13 NMR to examine the enzymatic covalent binding of carbon-13-labeled 2,4-dichlorophenol to humic substances
A novel application of a standard NMR technique has been employed to characterize the enzymatic coupling of a pollutant (2,4-dichlorophenol, 2,4-DCP) to humic material. The application involves theExpand
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Off-line thermochemolysis versus flash pyrolysis for the in situ methylation of lignin: Is pyrolysis necessary?
Abstract Lignin, a major biopolymer in vascular plants, is shown to undergo thermochemolysis reactions when subjected to flash pyrolysis with in situ methylation using tetramethylammonium hydroxide.Expand
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Comment on the origin of benzenecarboxylic acids in pyrolysis methylation studies
The presence of benzenecarboxylic acid methyl esters in thermochemolysis or pyrolysis products of humic acids, produced in the presence of tetramethylammonium hydroxide (TMAH), has recently beenExpand
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Hydrogen cyanide polymers, comets and the origin of life.
Hydrogen cyanide polymers--heterogeneous solids ranging in colour from yellow to orange to brown to black--could be major components of the dark matter observed on many bodies of the outer solarExpand
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Structural characterization of bio- and geo-macromolecules by off-line thermochemolysis with tetramethylammonium hydroxide
A new analytical procedure, tetramethylammonium hydroxide thermochemolysis, was used to structurally characterize a variety of bio-and geo-polymers. The technique cleaves esters and some ethers inExpand
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