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Michaël Bensimon

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Related publications (36)

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Tracing and Closing the Water Balance in a Vegetated Lysimeter

Andrea Rinaldo, Michaël Bensimon, Paolo Benettin, Mitra Asadollahi

Closure of the soil water balance is fundamental to ecohydrology. But closing the soil water balance with hydrometric information offers no insight into the age distribution of water transiting the soil column via deep drainage or the combination of soil e ...

AMER GEOPHYSICAL UNION2021

ZrNO-Ag co-sputtered surfaces leading to E. coli inactivation under actinic light: Evidence for the oligodynamic effect

César Pulgarin, Juan Kiwi, Sami Rtimi, Rosendo Sanjines, Michaël Bensimon, Mirela Pascu

This study reports visible light sensitive ZrNO and ZrNO-Ag polyester samples prepared by sputtering in an Ar/N-2/O-2 atmosphere leading to Escherichia coil bacterial inactivation. The bacterial inactivation by ZrNO avoids the increasing environmental conc ...

Elsevier2013

Iron oxide-mediated semiconductor photocatalysis vs. heterogeneous photo-Fenton treatment of viruses in wastewater. Impact of the oxide particle size

César Pulgarin, Sami Rtimi, Michaël Bensimon, Stefanos Giannakis, Anna Carratala Ripolles, Masoud Talebi Amiri

The photo-Fenton process is recognized as a promising technique towards microorganism disinfection in wastewater, but its efficiency is hampered at near-neutral pH operating values. In this work, we overcome these obstacles by using the heterogeneous photo ...

Elsevier2017

New evidence for Cu-decorated binary-oxides mediating bacterial inactivation/mineralization in aerobic media

César Pulgarin, Juan Kiwi, Sami Rtimi, Michaël Bensimon

Binary oxide semiconductors TiO2-ZrO2 and Cu-decorated TiO2-ZrO2 (TiO2-ZrO2-Cu) uniform films were sputtered on polyester (PES). These films were irradiated under low intensity solar simulated light and led to bacterial inactivation in aerobic and anaerobi ...

Elsevier2016

TiON and TiON-Ag sputtered surfaces leading to bacterial inactivation under indoor actinic light

César Pulgarin, Juan Kiwi, Sami Rtimi, Michaël Bensimon, Rosendo Sanjines

This study reports the details Escherichia coli inactivation kinetics on TiON and TiON-Ag films sputtered on polyester by direct current reactive magnetron sputtering (DC) and pulsed magnetron sputtering (DCP) in an Ar/N2 /O2 atmosphere. The use of TiON le ...

2013

A green solar photo-Fenton process for the elimination of bacteria and micropollutants in municipal wastewater treatment using mineral iron and natural organic acids

César Pulgarin, Luiz Felippe De Alencastro, Sami Rtimi, Michaël Bensimon, Dominique Grandjean, Stefanos Giannakis

In this investigation, a new, green photo-Fenton process for wastewater treatment is proposed, involving the use of a natural iron source and natural additives, deriving from wastes, acting as iron chelators. The use of mineral iron as precursor in the pho ...

Elsevier Science Bv2017

Evidence for TiON sputtered surfaces showing accelerated antibacterial activity under simulated solar irradiation

César Pulgarin, Juan Kiwi, Sami Rtimi, Michaël Bensimon

New evidence is reported for TiON sputtered polyester surfaces activated by sunlight irradiation leading to the accelerated bacterial inactivation in the minute range. The absorption in Kubelka-Munk units of the TiON film was observed to be directly propor ...

Elsevier2013

Solar disinfection of drinking water at alkaline pH, assisted by ashes of spices and herbs containing catalytic metals, in a novel ?phyto-Fenton? process

César Pulgarin, Michaël Bensimon

In this manuscript, the improvement of solar disinfection (SODIS) for water treatment through the photo-Fenton reaction using iron replacements, namely calcined herbs and spices (thyme, cumin, cinnamon, ginger, and cocoa), naturally containing high content ...

ELSEVIER SCIENCE SA2023

Accelerated Escherichia coli inactivation in the dark on uniform copper flexible surfaces

César Pulgarin, Juan Kiwi, Sami Rtimi, Rosendo Sanjines, Michaël Bensimon

The bacterial inactivation of Escherichia coli on Cu/CuO-polyester surfaces prepared by direct current magnetron sputtering was investigated in the dark and under actinic light (360nm

American Vacuum Society2014

Easily-prepared dinickel phosphide (Ni2P) nanoparticles as an efficient and robust electrocatalyst for hydrogen evolution

Xile Hu, Michaël Bensimon, Heron Vrubel, Ligang Feng

Polydispersed dinickel phosphide (Ni2P) nanoparticles were synthesized by a simple and scalable solid-state reaction. These nanoparticles are an excellent and robust catalyst for the electrochemical hydrogen evolution reaction, operating in both acidic and ...

Royal Society of Chemistry2014

An Unconventional Iron Nickel Catalyst for the Oxygen Evolution Reaction

Xile Hu, Anne-Clémence Corminboeuf, Michaël Bensimon, Fang Song, Michael Markus Busch

The oxygen evolution reaction (OER) is a key process that enables the storage of renewable energies in the form of chemical fuels. Here, we describe a catalyst that exhibits turnover frequencies higher than state-of-the-art catalysts that operate in alkali ...

2019

Direct determination of niobium at the low nanogram level in mineral waters and freshwaters

Michaël Bensimon

The increasing use of elements such as Nb and Ta in green and information technologies makes it necessary to develop appropriate analytical methods for studying their environmental and ecotoxicological behaviour. This paper describes the first time Nb has ...

Royal Society of Chemistry2014

Michaël Bensimon

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Tracing and Closing the Water Balance in a Vegetated Lysimeter

ZrNO-Ag co-sputtered surfaces leading to E. coli inactivation under actinic light: Evidence for the oligodynamic effect

Iron oxide-mediated semiconductor photocatalysis vs. heterogeneous photo-Fenton treatment of viruses in wastewater. Impact of the oxide particle size

New evidence for Cu-decorated binary-oxides mediating bacterial inactivation/mineralization in aerobic media

TiON and TiON-Ag sputtered surfaces leading to bacterial inactivation under indoor actinic light

A green solar photo-Fenton process for the elimination of bacteria and micropollutants in municipal wastewater treatment using mineral iron and natural organic acids

Evidence for TiON sputtered surfaces showing accelerated antibacterial activity under simulated solar irradiation

Solar disinfection of drinking water at alkaline pH, assisted by ashes of spices and herbs containing catalytic metals, in a novel ?phyto-Fenton? process

Accelerated Escherichia coli inactivation in the dark on uniform copper flexible surfaces

Easily-prepared dinickel phosphide (Ni2P) nanoparticles as an efficient and robust electrocatalyst for hydrogen evolution

An Unconventional Iron Nickel Catalyst for the Oxygen Evolution Reaction

Direct determination of niobium at the low nanogram level in mineral waters and freshwaters

Origin of the high variability of water mineral content in the bedrock aquifers of Southern Madagascar

ZnSO4-TiO2 Doped Catalyst with Higher Activity in Photoctalytic

Flexible polymer TiO2 modified film photocatalysts active in the photodegradation of azo-dyes in solution

Dynamics and characterization of an innovative Raschig rings-Ti02 composite photocatalyst