Zobrazeno 1 - 10 of 23 pro vyhledávání: '"Gwendal Kervern"'
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Akademický článek
Physicochemical characterisation of barley straw treated with sodium hydroxide or urea and its digestibility and in vitro fermentability in ruminants
Autor: Martin Bachmann, Siriwan D. Martens, Yann Le Brech, Gwendal Kervern, Robin Bayreuther, Olaf Steinhöfel, Annette Zeyner
Publikováno v: Scientific Reports, Vol 12, Iss 1, Pp 1-14 (2022)
Abstract The development of strategies to overcome the shortage of forage due to persistently low rainfall is becoming a central task for animal nutrition in research and practice. In this study, it was investigated how the treatment of straw with Na
Externí odkaz: https://doaj.org/article/9a6e56b56b6d41a8985aa26a61c01824
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2
Determining Local Magnetic Susceptibility Tensors in Paramagnetic Lanthanide Crystalline Powders from Solid-State NMR Chemical Shift Anisotropies
Autor: Ridvan Ince, Abdelatif Doudouh, Nicolas Claiser, Éric Furet, Thierry Guizouarn, Laurent Le Pollès, Gwendal Kervern
Publikováno v: The Journal of physical chemistry
The Journal of physical chemistry, 2023, 127 (6), pp.1547-1554. ⟨10.1021/acs.jpca.2c06955⟩
International audience; Exploring magnetic properties at the molecular level is a challenge that have been met by developing many experimental and theoretical solutions such as polarized neutron diffraction (PND), muon-spin rotation (µ-SR), electron
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bf7b51c4b40b42252f0857410b2d13d1
https://doi.org/10.1021/acs.jpca.2c06955
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5
Probing the Dynamics of Layered Double Hydroxides by Solid-State 27Al NMR Spectroscopy
Autor: Erwan André, Cédric Carteret, Pierrick Durand, Arnaud Di Bitetto, Gwendal Kervern
Publikováno v: Journal of Physical Chemistry C
Journal of Physical Chemistry C, American Chemical Society, 2017, 121 (13), pp.7276-7281. ⟨10.1021/acs.jpcc.6b13106⟩
In order to shed light on molecular dynamics and structure in layered materials, 27Al NMR spectra of layered double hydroxides (LDHs) were investigated by varying the layer charge density, the cations of the sheets, the interlayer anions, the hydrati
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6511e2bf6762bc73350ae1a486003120
https://doi.org/10.1021/acs.jpcc.6b13106
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7
A multi-technique approach for studying Na triclinic and hexagonal birnessites
Autor: Latifa Bergaoui, Romain Coustel, Christian Ruby, Gwendal Kervern, Mbolantenaina Rakotomalala Robinson, Hella Boumaiza, Loïc Vidal, Aurélien Renard
Publikováno v: Journal of Solid State Chemistry
Journal of Solid State Chemistry, 2019, 272, pp.234-243. ⟨10.1016/j.jssc.2019.02.017⟩
Journal of Solid State Chemistry, Elsevier, 2019, 272, pp.234-243. ⟨10.1016/j.jssc.2019.02.017⟩
Birnessite is a ubiquitous natural Mn oxide. This layered material is involved in a large variety of ion-exchange and redox reaction in soils and sediments. Synthetic Na-triclinic birnessite with a general formula [MnIII0.35 MnIV0.65 O2][Na+0.35 0.7H
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::53e092b27e54de0b8716fa501e3ae1c0
https://hal.univ-lorraine.fr/hal-02131824/document
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8
Carbonate–Hydrogenocarbonate Coexistence and Dynamics in Layered Double Hydroxides
Autor: Erwan André, Arnaud Di Bitetto, Cédric Carteret, Pierrick Durand, Gwendal Kervern
Publikováno v: Journal of Physical Chemistry C
Journal of Physical Chemistry C, American Chemical Society, 2017, 121 (11), pp.6104-6112. ⟨10.1021/acs.jpcc.6b12192⟩
Carbonated layered double hydroxides were fully characterized by vibrational spectroscopies, powder X-ray diffraction and solid-state NMR tuning the cations, the layer charge density, and the preparation method to get original structural and dynamica
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8839e2a76a8a1c7b4f5752e8c167dbc3
https://hal.univ-lorraine.fr/hal-01795852
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9
Parahydrogen-enhanced zero-field nuclear magnetic resonance
Autor: Svenja Knappe, Micah P. Ledbetter, Alexander Pines, Thomas Theis, Gwendal Kervern, Dmitry Budker, John Kitching, Paul J. Ganssle
Publikováno v: Nature Physics. 7:571-575
Nuclear magnetic resonance (NMR), conventionally detected in multi-tesla magnetic fields, is a powerful analytical tool for the determination of molecular identity, structure, and function. With the advent of prepolarization methods and alternative d
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::091c9dc040ed799a2c0a9ff57ce40f25
https://doi.org/10.1038/nphys1986
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10
Solid-State NMR of a Paramagnetic DIAD-FeII Catalyst: Sensitivity, Resolution Enhancement, and Structure-Based Assignments
Autor: Charbel Roukoss, Christophe Copéret, Lyndon Emsley, Eberhardt Herdtweck, Eric Oldfield, Emile Kuntz, Gwendal Kervern, Jean Marie Basset, Yong Zhang, Guido Pintacuda, Anne Lesage, Sylvian Cadars
Publikováno v: Journal of the American Chemical Society
Journal of the American Chemical Society, 2006, 128 (41), pp.13545-13552. ⟨10.1021/ja063510n⟩
Journal of the American Chemical Society, American Chemical Society, 2006, 128 (41), pp.13545-13552. ⟨10.1021/ja063510n⟩
A general protocol for the structural characterization of paramagnetic molecular solids using solid-state NMR is provided and illustrated by the characterization of a high-spin Fe(II) catalyst precursor. We show how good NMR performance can be obtain
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b51afe9f21eba2190e8cc9cd5c0a8631
https://doi.org/10.1021/ja063510n
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