Search Results - "Testemale, D."

Copper(I) targeting in the Alzheimer's disease context: a first example using the biocompatible PTA ligand by Atrián-Blasco, E, Cerrada, E, Conte-Daban, A, Testemale, D, Faller, P, Laguna, M, Hureau, C

“…Copper(I) coordinating ligands in the Alzheimer's disease context have remained unexplored, despite the biological relevance of this redox state of the copper…”
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Modern and past volcanic degassing of iodine by Bureau, H., Auzende, A.-L., Marocchi, M., Raepsaet, C., Munsch, P., Testemale, D., Mézouar, M., Kubsky, S., Carrière, M., Ricolleau, A., Fiquet, G.

“…We have monitored iodine degassing from a melt to a water vapor during decompression (i.e. magma ascent). Experiments have been performed by combining diamond…”
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In situ X-ray absorption spectroscopy using the FAME autoclave: a window into fluid-mineral-melt interactions in the Earth's crust by Testemale, D., Pokrovski, G. S., Lahera, E., Prat, A., Kieffer, I., Delnet, W., Proux, O., Louvel, M., Sanchez-Valle, C., Hazemann, J. L.

“…We discuss the X-ray absorption spectroscopy (XAS) methods elaborated using the high pressure and high-temperature autoclaves installed at FAME and FAME-UHD…”
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An in situ XAS study of copper(I) transport as hydrosulfide complexes in hydrothermal solutions (25–592 °C, 180–600 bar): Speciation and solubility in vapor and liquid phases by Etschmann, B.E., Liu, W., Testemale, D., Müller, H., Rae, N.A., Proux, O., Hazemann, J.L., Brugger, J.

“…Chloride and hydrosulfide are the principal ligands assumed to govern transport of copper in hydrothermal fluids. Existing solubility experiments suggest that…”
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Thermodynamics of chromium in UO2 fuel: A solubility model by Riglet-Martial, Ch, Martin, Ph, Testemale, D., Sabathier-Devals, C., Carlot, G., Matheron, P., Iltis, X., Pasquet, U., Valot, C., Delafoy, C., Largenton, R.

“…The solubility and speciation of chromium in doped uranium oxide are measured in carefully controlled temperature and oxygen potential conditions using…”
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An XAS study of the structure and thermodynamics of Cu(I) chloride complexes in brines up to high temperature (400 °C, 600 bar) by Brugger, J., Etschmann, B., Liu, W., Testemale, D., Hazemann, J.L., Emerich, H., van Beek, W., Proux, O.

“…The transport and deposition of copper in saline hydrothermal fluids are controlled by the stability of copper(I) complexes with ligands such as chloride…”
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Structural characterization of the active form of PerR: insights into the metal-induced activation of PerR and Fur proteins for DNA binding by Jacquamet, L, Traoré, D.A.K, Ferrer, J.-L, Proux, O, Testemale, D, Hazemann, J.-L, Nazarenko, E, El Ghazouani, A, Caux-Thang, C, Duarte, V, Latour, J.-M

“…In Bacillus subtilis, the transcription factor PerR is an iron dependant sensor of H₂O₂. The sensing mechanism relies on a selective metal catalysed oxidation…”
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Growth and properties of CoO/Fe perpendicular exchange coupled ultra-thin films by Lamirand, A.D., Grenier, S., Ramos, A.Y., De Santis, M., Bailly, A., Mossang, E., Tonnerre, J.M., Testemale, D., Tolentino, H.C.N., Jaouen, N., Soares, M.M., Jamet, M., Proux, O.

“…•Exchange coupling controls perpendicular magnetic anisotropy in a CoO/Fe bilayer.•In situ and ex-situ X-ray scattering techniques determine structural…”
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Spectroscopic characterization of microscopic hydrogen-bonding disparities in supercritical water by Wernet, Ph, Testemale, D, Hazemann, J-L, Argoud, R, Glatzel, P, Pettersson, L G M, Nilsson, A, Bergmann, U

“…The local hydrogen-bonding environment in supercritical water (380 degrees C, 300 bars, density 0.54 gcm3) was studied by x-ray Raman scattering at the oxygen…”
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Dynamics of iron-bearing borosilicate melts: Effects of melt structure and composition on viscosity, electrical conductivity and kinetics of redox reactions by Cochain, B., Neuville, D.R., de Ligny, D., Malki, M., Testemale, D., Pinet, O., Richet, P.

“…The dynamic properties of a series of iron-bearing sodium borosilicate melts have been investigated to determine how structure and composition control…”
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Nanostructured calcite precipitated under hydrothermal conditions in the presence of organic and inorganic selenium by Montes-Hernandez, G., Sarret, G., Hellmann, R., Menguy, N., Testemale, D., Charlet, L., Renard, F.

“…Selenium is an important trace metalloid, whose global cycle is controlled by fluid–rock interactions in the Earth's upper crust, interactions with…”
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New insight into the contributions of thermogenic processes and biogenic sources to the generation of organic compounds in hydrothermal fluids by KONN, C., TESTEMALE, D., QUERELLOU, J., HOLM, N. G., CHARLOU, J. L.

“…Experiments on hydrothermal degradation of Pyrococcus abyssi biomass were conducted at elevated pressure (40 MPa) over a 200–450 °C temperature range in…”
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Monitoring microbial redox transformations of metal and metalloid elements under high pressure using in situ X-ray absorption spectroscopy by PICARD, A, DANIEL, I, TESTEMALE, D, KIEFFER, I, BLEUET, P, CARDON, H, OGER, P.M

“…X-ray absorption spectroscopy is a well-established method for probing local structural and electronic atomic environments in a variety of systems. We used…”
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Reverse Monte Carlo analysis of the local order in liquid Ge0.15Te0.85 alloys combining neutron scattering and x-ray absorption spectroscopy by COULET, Marie-Vanessa, TESTEMALE, Denis, HAZEMANN, Jean-Louis, GASPARD, Jean-Pierre, BICHARA, Christophe

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Science under Extreme Conditions of Pressures and Temperatures at the ESRF by Andrault, D., Antonangeli, D., Dmitriev, V., Filinchuk, Y., Hanfland, M., Hazemann, M., Krisch, M., Mayanovic, R., Mezouar, M., Monaco, G., Pascarelli, S., Rüffer, R., Testemale, D., Torchio, R.

“…The last decades have witnessed an unprecedented surge in the study of matter and materials at extreme values of pressure and/or temperature. The fundamental…”
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The quest for ion pairing in supercritical aqueous electrolytes by Ferlat, G., San Miguel, A., Jal, J.F., Soetens, J.C., Bopp, Ph.A., Hazemann, J.L., Testemale, D., Daniel, I.

“…We have investigated the local structure around the bromine ion in three different alkali-brominated electrolytes in both ambient and supercritical conditions…”
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Effect of S on the aqueous and gaseous transport of Cu in porphyry and epithermal systems: Constraints from in situ XAS measurements up to 600°C and 300bars by Louvel, M., Bordage, A., Tripoli, B., Testemale, D., Hazemann, J.-L., Mavrogenes, J.

“…The effect of S on the solubility of Cu in high-temperature fluids at conditions relative to porphyry and epithermal ore deposit formation has been…”
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Effect of S on the aqueous and gaseous transport of Cu in porphyry and epithermal systems: Constraints from in situ XAS measurements up to 600 °C and 300 bars by Louvel, M., Bordage, A., Tripoli, B., Testemale, D., Hazemann, J.-L., Mavrogenes, J.

“…The effect of S on the solubility of Cu in high-temperature fluids at conditions relative to porphyry and epithermal ore deposit formation has been…”
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Rare earth element partitioning between sulphides and melt: Evidence for Yb2+ and Sm2+ in EH chondrites by Ingrao, N.J., Hammouda, T., Boyet, M., Gaborieau, M., Moine, B.N., Vlastelic, I., Bouhifd, M.A., Devidal, J.-L., Mathon, O., Testemale, D., Hazemann, J.-L., Proux, O.

“…We present the first complete dataset of partition coefficients of Rare Earth Elements (REE) between oldhamites or molten FeS and silicate melts. Values have…”
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In-situ X-ray absorption study of Iron(II) speciation in brines up to supercritical conditions by Testemale, Denis, Brugger, Joël, Liu, Weihua, Etschmann, Barbara, Hazemann, Jean-Louis

“…X-ray absorption spectroscopy (XAS) measurements were used to determine the coordination structure and to derive the speciation of aqueous ferrous chloride…”
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