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Elena Suvorova Buffat

Cette personne a quitté l’EPFL

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Publications associées (46)

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Chromate Resistance Mechanisms in Leucobacter chromiiresistens

Rizlan Bernier-Latmani, Elena Suvorova Buffat

Chromate is one of the major anthropogenic contaminants on Earth. Leucobacter chromiiresistens is a highly chromate-resistant strain, tolerating chromate concentrations in LB medium of up to 400 mM. In response to chromate stress, L. chromiiresistens forms ...

AMER SOC MICROBIOLOGY2018

The effect of competing electron acceptors on U(VI) reduction by Desulfotomaculum reducens

Rizlan Bernier-Latmani, Elena Suvorova Buffat

Taylor & Francis2010

Characterization of the surfaceome of the metal-reducing bacterium Desulfotomaculum reducens

Rizlan Bernier-Latmani, Elena Suvorova Buffat, Romain Hamelin, Elena Cristina Dalla Vecchia, Diego Chiappe, Paul Pao-Yun Shao

Desulfotomaculum reducens strain MI-1 is a Gram-positive, sulfate-reducing bacterium also capable of reducing Fe(III). Metal reduction in Gram-positive bacteria is poorly understood. Here, we investigated Fe(III) reduction with lactate, a non-fermentable s ...

Frontiers Media SA2014

Structure analysis of the YBCO layer in Ag/YBCO/metal oxide buffer/Hastelloy composite tape before and after 107 MeV Kr17+ irradiation

Philippe Buffat, Elena Suvorova Buffat, Marco Cantoni

The effects of 107 MeV Kr-84(17+) ion irradiation on YBa2Cu3O7-x-based second-generation coated conductors were investigated using a combination of transmission electron microscopy, diffraction and X-ray energy dispersive spectrometry. Defects 3-5 nm in di ...

Pergamon-Elsevier Science Ltd2014

Effects of Kr and Xe ion irradiation on the structure of Y2O3 nanoprecipitates in YBCO thin film conductors

Philippe Buffat, Elena Suvorova Buffat

The response of Y2O3 nanoprecipitates in a 1-mu m YBa2Cu3O7-x layer from a superconducting wire Ag/YBCO/buffer metal oxides/Hastelloy to 107 MeV Kr and 167 MeV Xe ion irradiation was investigated using a combination of transmission electron microscopy, dif ...

2018

Reducing conditions influence U(IV) accumulation in sediments during in-situ bioremediation

Rizlan Bernier-Latmani, Elena Suvorova Buffat, Daniel Scott Alessi

2024

Stability of Ag nanoparticles dispersed in amphiphilic organic matrix

Philippe Buffat, Elena Suvorova Buffat

Nano- and thin-film technologies based on novel systems associating metals particles to polymer matrix open a broad range of different applications. Such composites were found to be more efficient and safe, for instance, in biomedical needs. The Ag/poly(N- ...

2005

Structure of precipitates and orientation relationships in Al, Ge, Mo-doped higher manganese silicide crystals

Philippe Buffat, Elena Suvorova Buffat, Marco Cantoni

The structure of Al, Ge, Mo-doped Higher Manganese Silicide (HMS) crystals with the general formulas Mn(Si0.99Ge0.01)(1.75), Mn(Si0.995Ge0.005)(1.75) and (Mn0.98Mo0.02)(Si0.98Ge0.02)(1.75)Al-0.01 was investigated by scanning and transmission electr ...

Taylor & Francis Ltd2017

Structural similarities between biogenic uraninites produced by phylogenetically and metabolically diverse bacteria

Rizlan Bernier-Latmani, Elena Suvorova Buffat, Harish Veeramani, Jonathan Sharp

2009

Long-term in-situ oxidation of biogenic uraninite in an alluvial aquifer: impact of dissolved oxygen and calcium

Rizlan Bernier-Latmani, Daniel Scott Alessi, Elena Suvorova Buffat, Harish Veeramani

Oxidative dissolution controls uranium release to (sub)oxic pore waters from biogenic uraninite produced by natural or engineered processes, such as bioremediation Laboratory studies show that uraninite dissolution is profoundly influenced by dissolved oxy ...

Amer Chemical Soc2015

Quantitative separation of monomeric U(IV) from UO2 in products of U(VI) reduction

Rizlan Bernier-Latmani, Daniel Scott Alessi, Elena Suvorova Buffat, Harish Veeramani, Benjamin Uster

The reduction of soluble hexavalent uranium to tetravalent uranium can be catalyzed by bacteria and minerals. The end-product of this reduction is often the mineral uraninite, which was long assumed to be the only product of U(VI) reduction. However, recen ...

2012

Effect of Mn(II) on the structure and reactivity of biogenic uraninite

Rizlan Bernier-Latmani, Elena Suvorova Buffat, Harish Veeramani, Jonathan Sharp

2009

Electron microscopy for investigation of order/disorder in bone structure

Philippe Buffat, Elena Suvorova Buffat

2005

Oxidative Dissolution of Biogenic Uraninite in Groundwater at Old Rifle, CO (vol 45, pg 8748, 2011)

Rizlan Bernier-Latmani, Elena Suvorova Buffat, Harish Veeramani

Amer Chemical Soc2012

Pathological mineralization of cardiac valves: Causes and mechanism

Philippe Buffat, Elena Suvorova Buffat

Objective. Mechanism of calcification of cardiac valves was investigated through a comparative characterization of structure, morphology, and size of hydroxyapatite (HAP) crystals formed in mineral deposit on cardiac valves, bone tissue, and crystals synth ...

2005

Mobile uranium(IV)-bearing colloids in a mining-impacted wetland

Rizlan Bernier-Latmani, Elena Suvorova Buffat, Manon Frutschi, Yuheng Wang

Tetravalent uranium is commonly assumed to form insoluble species, resulting in the immobilization of uranium under reducing conditions. Here we present the first report of mobile U(IV)-bearing colloids in the environment, bringing into question this commo ...

Nature Research2013

Influence of metamorphic buffer design on electrophysical and structural properties of MHEMT nanoheterostructures In0.7Al0.3As/In0.7Ga0.3As/In0.7Al0.3As/GaAs

Philippe Buffat, Benjamin Dwir, Elena Suvorova Buffat

Metamorphic InxAl1-xAs buffer design influence on electrophysical and structural properties of the MHEMT nanoheterostructures was investigated. Electrophysical properties of the nanoheterostructures were characterized by Hall measurements, while the struc ...

2012

Elena Suvorova Buffat

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Chromate Resistance Mechanisms in Leucobacter chromiiresistens

The effect of competing electron acceptors on U(VI) reduction by Desulfotomaculum reducens

Characterization of the surfaceome of the metal-reducing bacterium Desulfotomaculum reducens

Structure analysis of the YBCO layer in Ag/YBCO/metal oxide buffer/Hastelloy composite tape before and after 107 MeV Kr17+ irradiation

Effects of Kr and Xe ion irradiation on the structure of Y2O3 nanoprecipitates in YBCO thin film conductors

Reducing conditions influence U(IV) accumulation in sediments during in-situ bioremediation

Stability of Ag nanoparticles dispersed in amphiphilic organic matrix

Structure of precipitates and orientation relationships in Al, Ge, Mo-doped higher manganese silicide crystals

Structural similarities between biogenic uraninites produced by phylogenetically and metabolically diverse bacteria

Long-term in-situ oxidation of biogenic uraninite in an alluvial aquifer: impact of dissolved oxygen and calcium

Quantitative separation of monomeric U(IV) from UO2 in products of U(VI) reduction

Effect of Mn(II) on the structure and reactivity of biogenic uraninite

Electron microscopy for investigation of order/disorder in bone structure

Oxidative Dissolution of Biogenic Uraninite in Groundwater at Old Rifle, CO (vol 45, pg 8748, 2011)

Pathological mineralization of cardiac valves: Causes and mechanism

Mobile uranium(IV)-bearing colloids in a mining-impacted wetland

Influence of metamorphic buffer design on electrophysical and structural properties of MHEMT nanoheterostructures In0.7Al0.3As/In0.7Ga0.3As/In0.7Al0.3As/GaAs

Structure of biogenic uraninite produced by Shewanella oneidensis MR-1

Arsenic speciation in Mekong Delta sediments depends on their depositional environment

Environmental implications of Mn(II)-reacted biogenic UO2