Michel Prudent

Cette personne a quitté l’EPFL

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Publications associées (32)

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On-line Electrogeneration of Copper-Peptide Complexes in Microspray Mass Spectrometry

Hubert Girault, Michel Prudent

The interaction of copper ions with peptides was investigated by electrospray mass spectrometry. Two electrospray micro-emitters were compared, the first one with a platinum electrode using a copper(II) electrolyte solution containing a peptide sample, and ...

2008

Plate for matrix-assisted laser desorption ionization mass spectrometry, comprises electroconductive substrate covered with sintered nanoparticles, deposited as array of spots, for supporting ionization of sorbed sample molecules

Hubert Girault, Liang Qiao, Christophe Roussel, Niels Erik Lion, Michel Prudent

NOVELTY - A plate comprises an electroconductive substrate (1) at least partially covered with sintered nanoparticles (2), deposited as an array of individual spots, for use as a sorbing phase for a sample, and for supporting ionization of sorbed sample mo ...

2009

Copper(I) and copper(II) binding to β-amyloid 16 (Aβ16) studied by electrospray ionization mass spectrometry

Hubert Girault, Liang Qiao, Michel Prudent, Yu Lu

Copper-b-amyloid 16 (Aβ16) complexes were investigated by electrospray ionization mass spectrometry (ESI-MS). Copper(I) and (II) complexes were formed on-line in a microchip electrospray emitter by using a sacrificial copper electrode as the anode in posit ...

Royal Society of Chemistry2010

Electrochemical reactions and ionization processes

Hubert Girault, Liang Qiao, Niels Erik Lion, Michel Prudent, Mélanie Abonnenc, Hongyan Bi

Electrochemical or photo-electrochemical reactions in both electrospray ionization and laser desorption ionization are discussed stressing the role of the electrode reaction in influencing the ionization process. In particular, upon application of a high v ...

2010

Large scale inkjet-printing of carbon nanotubes electrodes for antioxidant assays in blood bags

Hubert Girault, Andreas Stephan Lesch, Fernando Cortes Salazar, Niels Erik Lion, Michel Prudent

Herein, we present the large scale fabrication of carbon nanotubes (CNT) electrodes supported on flexible polymeric sheets by subsequent multilayer inkjet printing of a silver layer for electrical connection, CNT layers as active electrode material and an ...

Elsevier2014

Microfabricated Dual Sprayer for On-Line Mass Tagging of Phosphopeptides

Hubert Girault, Joël Stéphane Rossier, Niels Erik Lion, Michel Prudent

Phosphopeptides tagging reactions by dinuclear zinc(II) complexes (1,3-bis[bis(2-pyridylmethyl)amino]-propan- 2-olato dizinc(II)3+, called tag) were performed with a dual-channel microsprayer in electrospray ionization mass spectrometry. The reaction is fi ...

2008

Functional Electrospray Emitters

Hubert Girault, Michel Prudent

Electrospray ionisation (ESI) is a soft technique used in mass spectrometry (MS) analysis able to introduce a wide variety of analytes in the gas phase. Briefly, it consists in the application of a high- voltage to a solution to spray it through a small or ...

2009

SECM imaging of MMD-enhanced latent fingermarks

Hubert Girault, Michel Prudent, Christophe Champod

Scanning electrochemical microscopy (SECM) has been used to image latent fingermarks enhanced by adsorption of gold nanoparticles onto which silver is chemically deposited, a process known as ‘‘multi-metal-deposition’’ (MMD). ...

Royal Society of Chemistry2007

Human fingerprint imaging by scanning electro-chemical microscopy

Hubert Girault, Fernando Cortes Salazar, Michel Prudent, Christophe Champod

Schweizerische Chemische Gesellschaft2009

Dynamic Metabolic Flux Analysis of Stored Red Blood Cells

Niels Erik Lion, Michel Prudent

Wiley-Blackwell2016

Electrochemical generation of Cu(I) complexes in aqueous solutions studied by on-line mass spectrometry

Hubert Girault, Christophe Roussel, Michel Prudent

Taking advantage of the electrochemical aspects of electrospray ionization (ESI) sources in positive ionization mode mass spectrometry (MS), aqueous copper complexes are electrogenerated using sacrificial copper electrodes. When using 8-hydroxyquinoline or ...

Elsevier2007

The Antioxidant Defense System of Erythrocyte Concentrates is Increased during the First Week of Storage

Fernando Cortes Salazar, Niels Erik Lion, Michael Müller, Michel Prudent

Wiley-Blackwell2016