Search Results - "DERENNE, S."

Speciation of sulfur in the insoluble organic matter from carbonaceous chondrites by XANES spectroscopy by Orthous-Daunay, F.-R., Quirico, E., Lemelle, L., Beck, P., deAndrade, V., Simionovici, A., Derenne, S.

“…Sulfur speciation in a comprehensive set of insoluble organic matter (IOM) samples extracted from 3 CI (Orgueil, Alais, Ivuna), 5 CM (QUE97990, Murchison,…”
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Pyrolysis-gas chromatography–mass spectrometry of the 20 protein amino acids in the presence of TMAH by Gallois, N., Templier, J., Derenne, S.

“…In spite of a significant contribution of nitrogen and spectroscopic indications for proteinic material in natural organic matter, only a limited number of…”
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Limits in pyrolysis–GC–MS analysis of kerogen isolated from Archean cherts by Bourbin, M., Derenne, S., Robert, F.

“…Pyrolysis–GC–MS was recently proposed as an emerging technique for establishing biogenicity of 3.5Gyr old insoluble organic matter in cherts (Derenne et al.,…”
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Alteration of soil organic matter following treatment with hydrofluoric acid (HF) by Rumpel, C., Rabia, N., Derenne, S., Quenea, K., Eusterhues, K., Kögel-Knabner, I., Mariotti, A.

“…The effect of demineralisation using hydrofluoric acid (HF) treatment on the elemental, isotopic and chemical composition of organic matter with increasing…”
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Analytical TMAH pyrolysis of dipeptides: Formation of new complex cyclic compounds related to the presence of the peptide bond by Templier, J., Gallois, N., Derenne, S.

“…•16 standard dipeptides were subjected to pyrolysis in the presence of TMAH.•New complex cyclisation derivatives based on 3 amino acids were identified.•The…”
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Enrichment of deuterium in insoluble organic matter from primitive meteorites: A solar system origin? by Remusat, Laurent, Palhol, Fabien, Robert, François, Derenne, Sylvie, France-Lanord, Christian

“…Because of a systematic enrichment in deuterium, the insoluble organic matter (IOM) of the carbonaceous chondrites is considered to have formed in the…”
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The molecularly-uncharacterized component of nonliving organic matter in natural environments by Hedges, J.I, Eglinton, G, Hatcher, P.G, Kirchman, D.L, Arnosti, C, Derenne, S, Evershed, R.P, Kögel-Knabner, I, de Leeuw, J.W, Littke, R, Michaelis, W, Rullkötter, J

“…Molecularly-uncharacterized organic matter comprises most reduced carbon in soils, sediments and natural waters. The origins, reactions and fates of these…”
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Soil lipids from accelerated solvent extraction: Influence of temperature and solvent on extract composition by Quénéa, K., Mathieu, J., Derenne, S.

“…► Two soil samples were extracted using ASE to evaluate the influence of solvent and temperature. ► Solvent and temperature influence were analysed via PCA and…”
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New insights into the structure and chemistry of Titan's tholins via 13C and 15N solid state nuclear magnetic resonance spectroscopy by DERENNE, S, COELHO, C, ANQUETIL, C, SZOPA, C, RAHMAN, A. S, MCMILLAN, P. F, CORA, F, PICKARD, C. J, QUIRICO, E, BONHOMME, C

“…Tholins are complex C,N-containing organic compounds produced in the laboratory. They are considered to provide materials that are analogous to those…”
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Terrestrial and marine n-alcohol inputs and degradation processes relating to a sudden turbidity current in the Zaire canyon by Treignier, C., Derenne, S., Saliot, A.

“…n-Alcohol biomarkers from sediment trap samples collected during a turbiditic event and surficial sediments on a levee of the Zaire canyon (Equatorial West…”
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The Pliensbachian-Toarcian paleoclimate transition: New insights from organic geochemistry and C, H, N isotopes in a continental section from Central Asia by Tramoy, R., Schnyder, J., Nguyen Tu, T.T., Yans, J., Jacob, J., Sebilo, M., Derenne, S., Philippe, M., Huguet, A., Pons, D., Baudin, F.

“…The Taskomirsay section (South Kazakhstan) is a unique Pliensbachian-Toarcian sequence of lignites, clayey layers and silty-sandstones deposited in a…”
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A review of some important families of refractory macromolecules: Composition, origin, and fate in soils and sediments by DERENNE, Sylvie, LARGEAU, Claude

“…Extensive knowledge about refractory biomacromolecules has been accumulating for 20 years. The components, characterized by a conspicuous resistance to drastic…”
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New pyrolytic and spectroscopic data on Orgueil and Murchison insoluble organic matter: A different origin than soluble? by Remusat, Laurent, Derenne, Sylvie, Robert, François, Knicker, Heike

“…Pyrolysis with and without tetramethylammonium hydroxide (TMAH), vacuum pyrolysis, and solid state 15N nuclear magnetic resonance (NMR) were used to examine…”
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Comparative mineralogy, organic geochemistry and microbial diversity of the Autun black shale and Graissessac coal (France) by Berlendis, S., Beyssac, O., Derenne, S., Benzerara, K., Anquetil, C., Guillaumet, M., Estève, I., Capelle, B.

“…There is growing evidence that microbial populations associated with rocks may be involved in weathering processes; in particular they may play a role in the…”
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How the polarity of the separation column may influence the characterization of compost organic matter by pyrolysis-GC/MS by Dignac, M.-F., Houot, S., Derenne, S.

“…Characterizing the chemical composition of compost organic matter (OM) may help to understand short- and long-term effect of compost spreading on soils…”
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Comparison of the bulk geochemical features and thermal reactivity of kerogens from Mol (Boom Clay), Bure (Callovo–Oxfordian argillite) and Tournemire (Toarcian shales) underground research laboratories by Deniau, I., Devol-Brown, I., Derenne, S., Behar, F., Largeau, C.

“…Deep argillaceous formations are potential repositories for the long-term disposal of nuclear waste because of their low permeability and high sorption…”
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Molecular and isotopic study of lipids in particle size fractions of a sandy cultivated soil (Cestas cultivation sequence, southwest France): Sources, degradation, and comparison with Cestas forest soil by Quénéa, K., Largeau, C., Derenne, S., Spaccini, R., Bardoux, G., Mariotti, A.

“…Lipid analysis was performed for three particle size fractions (i.e., sand-, silt- and clay-sized) isolated from a sandy spodosol of the Cestas cultivation…”
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Change of the chemical composition and biodegradability of the Van Soest soluble fraction during composting: A study using a novel extraction method by Peltre, C., Dignac, M.F., Derenne, S., Houot, S.

“…Van Soest fractionation is widely employed to characterize exogenous organic matter. The soluble fraction of Van Soest fractionation (SOL, extracted using hot…”
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Pyrolytic study of compost and waste organic matter by Dignac, M.-F., Houot, S., Francou, C., Derenne, S.

“…The chemical composition of organic matter (OM) in various fresh and composted wastes was characterized using pyrolysis-GC/MS. Composts made from…”
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Design and validation of a consistent and reproducible manufacture process for the production of clinical-grade CD34+ expanded stem cells by Saucourt, C, Vogt, S, Mai, E, Criquet, A, Harmand, L, Birebent, B, Rouard, H, Chartois-Leauté, A, Derenne, S, Black, A, Salem, J, Douay, L, Henon, P

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