Výsledky vyhledávání - "Joëlle Templier"

Probing the aluminum complexation by Siberian riverine organic matter using solid-state DNP-NMR

Autor: Frédérique Pourpoint, Anatoly S. Prokushkin, François Chabaux, Oleg S. Pokrovsky, Olivier Lafon, Julien Trébosc, Jean-Paul Amoureux, Christelle Anquetil, Hervé Vezin, Xavier Trivelli, Sylvie Derenne, Joëlle Templier

Publikováno v: Chemical Geology
Chemical Geology, Elsevier, 2017, 452 (3), pp.1-8. ⟨10.1016/j.chemgeo.2017.02.004⟩
Chemical Geology, 2017, 452 (3), pp.1-8. ⟨10.1016/j.chemgeo.2017.02.004⟩

International audience; In a Siberian river, the concentrations of chemical species vary with the hydrological regime. Dissolved Organic Matter (DOM) and aluminum ions show a parallel trend in the course of the hydrological year. However, the speciat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7f2baed30ce3b51bb7fe75c556e9a3a5
https://doi.org/10.1016/j.chemgeo.2017.02.004

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Comparative study of two fractions of riverine dissolved organic matter using various analytical pyrolytic methods and a 13C CP/MAS NMR approach

Autor: Claude Largeau, Sylvie Derenne, Jean-Philippe Croué, Joëlle Templier

Publikováno v: Organic Geochemistry. 36:1418-1442

Two fractions of dissolved organic matter (DOM) from a French river, the Gartempe, were obtained using the XAD resin fractionation procedure and were termed hydrophobic acid (HPOA) and transphilic acid (TPIA) according to this method. The composition

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e3000b03c9f327e8c93da17dafa70faa
https://doi.org/10.1016/j.orggeochem.2005.05.003

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Occurrence of high molecular weight lipids (C80+) in the trilaminar outer cell walls of some freshwater microalgae. A reappraisal of algaenan structure

Autor: Béatrice Allard, Marie-Noëlle Rager, Joëlle Templier

Publikováno v: Organic Geochemistry. 33:789-801

The purified cell walls of mother cells (CWM) were isolated from three strains of trilaminar sheath (TLS)- and algaenan-containing freshwater microalgae Chlorella emersonii, Tetraedron minimum and Scenedesmus communis. The chemical structures of CWM

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d4a92b1041413a5672f8afff4f00fa06
https://doi.org/10.1016/s0146-6380(02)00029-3

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Limitations in interpreting TMAH thermochemolysis of natural organic matter via consideration of glycine and alanine derivatives

Autor: Nicolas Gallois, Sylvie Derenne, Joëlle Templier

Publikováno v: Organic Geochemistry. 41:1338-1340

Pyrolysis in the presence of tetramethylammonium hydroxide (TMAH) has been widely used to characterize natural organic matter from various environments and affords methylated counterparts of amino acids, especially glycine and alanine. The present st

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::312322d8603a8671dd38a4ee5e441f6b
https://doi.org/10.1016/j.orggeochem.2010.05.018

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Comparison of neutral lipid profile of various trilaminar outer cell wall (TLS)-containing microalgae with emphasis on algaenan occurrence

Autor: Béatrice Allard, Joëlle Templier

Publikováno v: Phytochemistry. 54:369-380

The neutral lipid profiles of nine species of thin trilaminar outer wall (TLS)-containing freshwater and marine microalgae from the class of Chlorophyceae were studied with emphasis on the relationship between the lipid content and the occurrence of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::887449a2fe4b8cdadcd775f64b9dd0bf
https://doi.org/10.1016/s0031-9422(00)00135-7

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An improved method for the isolation of artifact-free algaenans from microalgae

Autor: Claude Largeau, Béatrice Allard, Joëlle Templier

Publikováno v: Organic Geochemistry. 28:543-548

A new process for the isolation of algaenans (insoluble non-hydrolysable, highly aliphatic biopolymers of microalga cell walls) which avoids their contamination with melanoidin-like polymer artifacts is presented and the algaenans of two species from

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0c0ddc10dad0bb855a1e5e19331e2fb3
https://doi.org/10.1016/s0146-6380(98)00012-6

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Artifactual origin of mycobacterial bacteran. Formation of melanoidin-like artifact macromolecular material during the usual isolation process

Autor: Béatrice Allard, Joëlle Templier, Claude Largeau

Publikováno v: Organic Geochemistry. 26:691-703

Three species of mycobateria are shown to afford quite a high level of insoluble, non-hydrolysable (INH) material when subjected to usual drastic saponification and acid hydrolysis. The spectroscopic features (FTIR, solid-state 13C NMR), the thermal

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bacd73a8767e887e88f83a83f58982eb
https://doi.org/10.1016/s0146-6380(97)00037-5

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Analytical TMAH pyrolysis of dipeptides: Formation of new complex cyclic compounds related to the presence of the peptide bond

Autor: N. Gallois, Sylvie Derenne, Joëlle Templier

Publikováno v: Journal of Analytical and Applied Pyrolysis
Journal of Analytical and Applied Pyrolysis, Elsevier, 2013, 104, pp.684-694. ⟨10.1016/j.jaap.2013.09.017⟩
Journal of Analytical and Applied Pyrolysis, 2013, 104, pp.684-694. ⟨10.1016/j.jaap.2013.09.017⟩

International audience; To evaluate the influence of the peptide bond on the nature of pyrolysis products released from proteinaceous material, 16 dipeptides were subjected to pyrolysis in the presence of TMAH. The pyrolysis products were identified

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f9541e57ef747062f67d82b750331d0c
https://hal.archives-ouvertes.fr/hal-01195679

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Characterisation of organic matter from organo-mineral complexes in an Andosol from Reunion Island

Autor: Joëlle Templier, Alexis De Junet, Samuel Legros, Sylvie Derenne, Armand Masion, Jérôme Balesdent, Christine Marol, Isabelle Basile-Doelsch, Daniel Borschneck

Publikováno v: Journal of Analytical and Applied Pyrolysis
Journal of Analytical and Applied Pyrolysis, 2013, 99, pp.92-100. ⟨10.1016/j.jaap.2012.10.020⟩
Journal of Analytical and Applied Pyrolysis, Elsevier, 2013, 99, pp.92-100. ⟨10.1016/j.jaap.2012.10.020⟩

International audience; Organo-mineral complexes play a major role in the stabilisation of organic matter (OM) within soils, but only few data are presently available about the nature of the OM bound to mineral phases. In this study, we aimed at dete

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e32c92649922edb342ef55510df0156a
https://hal.science/hal-01114932

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INFLUENCE OF CELL WALL COMPOSITION ON THE RESISTANCE OF TWO CHLORELLA SPECIES (CHLOROPHYTA) TO DETERGENTS1

Autor: Gwenael Corre, Claude Largeau, C. Berkaloff, Bernard Rousseau, Joëlle Templier

Publikováno v: Journal of Phycology. 32:584-590

The influence of dodecylbenzene sulfonate (DBS) and Triton X-100 (TX-100) was examined on two species of Chlorella exhibiting conspicuous differences in cell wall composition. Chlorella emersonii has both a classical polysaccharidic wall and a thin t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d9a5f62d5710899946b0d42d7b6ed86b
https://doi.org/10.1111/j.0022-3646.1996.00584.x

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