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Hubert Girault

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Publications associées (430)

On-Chip Spyhole Nanoelectrospray Ionization Mass Spectrometry for Sensitive Biomarker Detection in Small Volumes

Hubert Girault, Liang Qiao, Géraldine Margaretha Alice Stauffer, Xiaoqin Zhong

A polyimide microfluidic chip with a microhole emitter (Ø 10–12 μm) created on top of a microchannel by scanning laser ablation has been designed for nanoelectrospray ionization (spyhole-nanoESI) to couple microfluidics with mass spectrometry. The spyhole- ...

2018

Mobility from Renewable Electricity: Infrastructure Comparison for Battery and Hydrogen Fuel Cell Vehicles

Hubert Girault, Heron Vrubel, Yorick Ligen

This work presents a detailed breakdown of the energy conversion chains from intermittent electricity to a vehicle, considering battery electric vehicles (BEVs) and fuel cell electric vehicles (FCEVs). The traditional well-to-wheel analysis is adapted to a ...

MDPI2018

Microfluidic Probes for Scanning Electrochemical Microscopy

Hubert Girault, Fernando Cortes Salazar, Andreas Stephan Lesch, Alexandra Bondarenko, Tzu-En Lin

This chapter discusses the soft microfluidic scanning electrochemical microscopy (SECM) probes represent a versatile tool for supporting various investigations ranging from the electrochemical characterization of different surfaces to the local perturbatio ...

Wiley2018

Inkjet-printed mesoporous TiO2 and perovskite layers for high efficiency perovskite solar cells

Hubert Girault, Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Emad Oveisi, Andreas Stephan Lesch, Yonghui Lee, Victor Costa Bassetto, Sanghyun Paek, Aron Joel Huckaba, Rui Xia

2018

Personalized and rapid test for food-related allergy

Hubert Girault, Mikaël Frossard, Natalia Gasilova

2018

Large-scale layer-by-layer inkjet printing of flexible iridium-oxide based pH sensors

Hubert Girault, Fernando Cortes Salazar, Andreas Stephan Lesch, Jonnathan Cesar Hidalgo Acosta, Evgeny Smirnov, Victor Costa Bassetto, Milica Jovic

2018

SECM study of hydrogen photogeneration in a 1,2-dichloroethane | water biphasic system with decamethylruthenocene electron donor regeneration

Hubert Girault

This paper reports light driven hydrogen evolution reaction (HER) at 1,2-dichloroethane | water (DCE | W) interface using photoexcited decamethylruthenocene (DMRc) as electron donor. DMRc is in situ regenerated by electroreduction of its oxidized form (DMR ...

2018

Detection of antimicrobial resistance-associated proteins by titanium dioxide-facilitated intact bacteria mass spectrometry

Hubert Girault, Horst Pick, Liang Qiao, Natalia Gasilova, Yingdi Zhu, Milica Jovic

Titanium dioxide-modified target plates were developed to enhance intact bacteria analysis by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. The plates were designed to photocatalytically destroy the bacterial envelope struct ...

2018

Characterisation of a 200 kW/400 kWh Vanadium Redox Flow Battery

Hubert Girault, Véronique Amstutz

The incessant growth in energy demand has resulted in the deployment of renewable energy generators to reduce the impact of fossil fuel dependence. However, these generators often suffer from intermittency and require energy storage when there is over-gene ...

2018

Maldi device and methods of preparation and use thereof

Hubert Girault, Horst Pick, Liang Qiao, Yingdi Zhu, Milica Jovic

A target plate for enhanced matrix-assisted laser desorption/ionization mass spectrometry (MALDI MS) analysis of intact biological entities. The target plate comprises an electrically conductive substrate (1) covered at least partially with immobilised pho ...

2018

Solvent effect in photo-ionic cells

Hubert Girault, Pekka Eero Peljo, Elena Vladimirova

Photo-ionic cells convert solar energy into redox fuels. Unlike in photovoltaic devices where the photo-induced charge transfer reactions occur at an electrode, the photoreaction takes place in one bulk solution of a biphasic liquid-liquid system, and the ...

2018

Immuno-affinity Amperometric Detection of Bacterial Infections

Hubert Girault, Horst Pick, Michel Prudent, Andreas Stephan Lesch, Yingdi Zhu, Milica Jovic

A combination of an immuno-affinity enrichment strategy and sensitive amperometric read-out was implemented in a point-of-care platform intended for bacterial infection analysis. Bacterial cells, selectively captured and enriched from complex matrices thro ...

Wiley-VCH Verlag GmbH2018

Redox Electrocatalysis of Floating Nanoparticles: Determining Electrocatalytic Properties without the Influence of Solid Supports

Hubert Girault, Astrid Johana Olaya Avendano, Thomas James Stockmann, Micheal Diarmaid Scanlon, Pekka Eero Peljo, Evgeny Smirnov, Lucie Josette Renée Rivier

Redox electrocatalysis (catalysis of electron-transfer reactions by floating conductive particles) is discussed from the point-of-view of Fermi level equilibration, and an overall theoretical framework is given. Examples of redox electrocatalysis in soluti ...

2017

Forced Electrocodeposition of Silica Particles into Nickel Matrix by Horizontal Impinging Jet Cell

Hubert Girault, Véronique Amstutz, Desire Martial Koutouan Abro

The improvement of silica particle codeposition into a nickel electrodeposited composite coating (ECC) by a double face horizontal impinging jet cell (IJC) has been studied. The microstructure of coatings was examined by means of scanning electron microsco ...

2017

Bacterial Whole Cell Typing by Mass Spectra Pattern Matching with Bootstrapping Assessment

Hubert Girault, Yu Lin, Liang Qiao

Bacterial typing is of great importance in clinical diagnosis, environmental monitoring, food safety analysis, and biological research. Matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) is now widely used to analyze bacterial samples ...

American Chemical Society2017

Electrovariable gold nanoparticle films at liquid–liquid interfaces: from redox electrocatalysis to Marangoni-shutters

Hubert Girault, Grégoire Clément Gschwend, Pekka Eero Peljo, Evgeny Smirnov

Control over the physical properties of nanoparticle assemblies at a liquid–liquid interface is a key technological advancement to realize the dream of smart electrovariable nanosystems. Electrified interfaces, such as the interface between two immiscible ...

Royal Society of Chemistry2017

Variation of the Fermi level and the electrostatic force of a metallic nanoparticle upon colliding with an electrode (vol 8, pg 4795, 2017)

Hubert Girault, Pekka Eero Peljo

Royal Soc Chemistry2017

Personalized and rapid food allergy test using natural allergenic extracts

Hubert Girault, Mikaël Frossard

Wiley2017

Understanding Digestive Ripening of Ligand-Stabilized, Charged Metal Nanoparticles

Hubert Girault, Pekka Eero Peljo

Most syntheses of thiolate-protected metal nanoparticles (NPs) include a thermochemical step in which the as-prepared, polydisperse NPs are transformed to a narrower size distribution in a poorly understood process known as digestive ripening (DR). Previou ...

American Chemical Society2017

Self-assembly and redox induced phase transfer of gold nanoparticles at the water-propylene carbonate interface

Hubert Girault, Pekka Eero Peljo, Evgeny Smirnov

Citrate-stabilized gold nanoparticles were found to spontaneously self-assemble into a lustrous film at a bare water–propylene carbonate interface after vigorous shaking, due to the extremely low interfacial tension. The presence of an electron donor, tetr ...

Royal Society of Chemistry2017

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