Commissariat a L'energie Atomique

Commissariat a L'energie Atomique Et Aux Energies Alternatives

Centre National De La Recherche Scientifique

Other

Commissariat a L'energie Atomique, Etablissement Public a Caractere Industriel Et Commercial

Biowintech

Institut National De La Sante Et De La Recherche Medicale

Universite Paris Cité

Université De Limoges

Universite Paris 13 - Paris Nord

Chu De Limoges

Kerckhoff-Klinik Gmbh

Conservatoire National Des Arts Et Des Métiers

Protec Industrie

Guy Deniau

Serge Palacin

Christophe Bureau

Thomas Berthelot

Vincent Mevellec

Sebastien Roussel

José Gonzalez

Renaud Cornut

Fabien Nekelson

Gaëlle Charrier

Jose Gonzalez

Pascal Viel

Vincent Huc

Alain Le Moel

Cecile Baudin

Brigitte Mouanda

Sébastien Roussel

Laurent David

Werner Haberbosch

Aurélien Doublet

Charles Baquey

G&eacute;rard Deleris

Natacha Betz

Denis Doizi

Xuan Tuan Le

Murielle Maire

Cedric Zobrist

Alexandre Brouzes

Cécile Baudin

Adhitya Trenggono

Maxime Oudin

Mathias Fages

Fanny Hauquier

Emilie Vancraybeck

Christophe Not

Alice Mesnage

Cédric Zobrist

Aymeric Rouchaud

Zoltan Szatmary

Gerard Deleris

Aurelien Doublet

Gaelle Charrier

The use of the scanning electrochemical microscopy to predict the corrosion resistance results which would be obtained for a surface S1 having undergone an anticorrosion treatment if the surface S1 was subjected to a salt fog corrosion test, which use comprises an analysis of the surface S1 by scanning electrochemical microscopy.

Use of scanning electrochemical microscopy as a predictive technique in a salt fog corrosion test

The invention relates to the field of localized surface analysis, characterization and modification by electrochemistry. It particularly relates to a portable electrochemical microscopy device, to kits comprising such a portable device, and to uses of the portable device and kits. According to the invention, the portable device comprises: a body having a gripping surface for a user and a bearing surface that can be applied to a surface of a substrate to be analyzed; an electrolytic chamber formed in the body and arranged so as to receive an electrolyte, the electrolytic chamber comprising an opening leading to the bearing surface; and a working probe having a distal end arranged in the electrolytic chamber.

Portable electrochemical microscopy device, kits comprising same and uses thereof

The present invention relates to a method for grafting, in a covalent manner, a coloured indicator having at least one aromatic primary amine function onto the surface of a solid substrate, including the steps that consist of: (a) preparing, from the coloured indicator having at least one aromatic primary amine function, the corresponding diazonium salt; (b) placing the solid substrate in contact with a solution containing the diazonium salt prepared in step (a) and subjecting the solution to non-electrochemical conditions for an optimal grafting time whereby organic chains in which the units are derivatives of the diazonium salt are grafted, in a covalent manner, onto the surface of the solid substrate; (c) washing the solid substrate thus grafted; (d) repeating steps (b) and (c) or possibly steps (a) to (c) at least once. The present invention also relates to a kit for implementing such a method.

Method for grafting a coloured indicator onto a solid substrate and implementation kit

The present invention relates to an implantable material having at least one external surface grafted with a film including carboxylate and sulfonate functions wherein the film is simultaneously synthesized and grafted directly on the external surface by radical reaction of a bifunctional adhesion primer of Formula (I) or by radical reaction of an adhesion primer and a bifunctional polymerizable monomer of Formula (II).  The invention also relates to a process for directly synthesizing and grafting of a film according to the invention onto at least one external surface of an implantable material. The invention further relates to the use of a grafted implantable material for the manufacture of an antiproliferative and/or antibacterial implantable medical device. The invention also relates to compounds of Formula (I) and Formula (II).

Implantable material grafted with a cell antiproliferative and/or antibacterial film synthetized from a bifunctional molecule

This invention relates to a method for preparing an organic film at the surface of a solid support, with a step of contacting said surface with a liquid solution including (i) at least one solvent, (ii) at least one adhesion primer, under non-electrochemical conditions, and allowing the formation of radical entities based on the adhesion primer. The liquid solution can also include (iii) at least one monomer different from the adhesion primer and radically polymerizable. This invention also relates to a non-electrically-conductive solid support on which an organic film according to said method is grafted, and a kit for preparing an essentially polymeric organic film at the surface of a solid support.

Method for preparing an organic film at the surface of a solid support under non-electrochemical conditions, solid support thus obtained and preparation kit

A method for modifying the surface energy of at least one surface of a solid is provided. The method may comprise a step consisting of grafting, on the surface, a polymeric organic film consisting of graft polymers, each polymer having a first unit bound directly to the surface derived from a cleavable aryl salt and at least one other unit of the polymer chain derived from a component selected from the group consisting of a cleavable fluorinated aryl salt, a fluorinated (meth)acrylate and a vinyl-terminated siloxane. In addition, a kit for implementation of the method is provided.

Method for modifying the surface energy of a solid

The invention relates to a method for forming a polymer film on a surface that conducts or semiconducts electricity by means of electrografting. Said method uses an electrolytic solution containing a selected quantity of Bronsted acid. This invention also relates to the electrically conductive or semiconductive surfaces obtained by means of said method.

Method for forming a polymer film on a surface that conducts or semiconducts electricity by means of electrografting, surfaces obtained, and applications thereof

The present invention relates to a process for assembling at least one zone of a first surface with at least one zone of a second surface or with a molecule of interest, comprising a step that consists in placing the said zone of the said first surface in contact with the said zone of the said second surface or with the said molecule of interest, the said zone of the said first surface bearing at least one radical and/or ionic species. The present invention also relates to a solid support whose surface bears at least one zone with at least one radical and/or ionic species, with at least one adhesion primer, or with at least one adhesion primer precursor, and to its various uses.

Process for assembling two surfaces or one surface with a molecule of interest

This invention relates to a method for preparing an organic film at the surface of a solid support, with a step of contacting said surface with a liquid solution including (i) at least one protic solvent, (ii) at least one adhesion primer, under non-electrochemical conditions, and allowing the formation of radical entities based on the adhesion primer. The liquid solution can also include (iii) at least one monomer different from the adhesion primer and radically polymerizable. This invention also relates to a non-electrically-conductive solid support on which an organic film according to said method is grafted, and a kit for preparing an essentially polymeric organic film at the surface of a solid support.

Method for preparing an organic film at the surface of solid support under non-electrochemical conditions, solid support thus obtained and preparation kit

The present invention relates to the use of precursors of following formula (I): independently of E or Z configuration, in which:

Formation of ultra-thin films that are grafted to electrically-conducting or semi-conducting surfaces

The present invention concerns a method for preparing an organic copolymer film on electrically conductive or semi-conductive surfaces in two steps. The first step includes electrolysis of an electrolytic solution containing an adhesion primer, in contact with a surface. The second step corresponds to the reaction, at the surface obtained previously, of a solution containing the following species: a protic solvent, and a 'radically polymerizable' monomer. The polymerizable monomer is solubilized in micellar form. The surfaces obtained with the use of this method, and their applications apply to preparation of microelectronic components, biomedical devices or screening kits, as well as kits for preparing an organic copolymer film on an electrically conductive or semi-conductive surface.

Process for forming organic films on electrically conductive or semi-conductive surfaces using aqueous solutions in two steps

The present invention concerns the area of surface coatings in the form of organic films, the coatings being in the form of organic films. It most especially relates to a method for forming copolymer organic films by electrochemical grafting on electrically conductive or semi-conductive surfaces using electrolytic aqueous solutions containing at least one protic solvent, at least one radically polymerizable monomer and at least one surfactant. The invention also concerns surfaces obtained with the use of this method, their applications especially for preparation of microelectronic components, biomedical devices or screening kits, as well as the electrolyte solution used in the course of the method.

Process for forming organic films on electrically conductive or semi-conductive surfaces using aqueous solutions

The invention relates to a method of fixing macro-objects to an electricity conducting- or semi-conducting surface by means of electrografting. The invention also relates to the electricity conducting- or semi-conducting-surfaces obtained using the aforementioned method and to the applications of same.

Method of fixing macro-objects to an electricity conducting- or semi-conducting surface by means of electrografting, surfaces thus obtained and applications thereof

The present invention relates to a method for cladding a simple or complex surface, electrically conducting or semiconducting, by means of an organic film from at least one precursor of said organic film, characterized in that the cladding of the surface by the organic film is carried out by electro-initiated grafting of said, at least one, precursor of said surface by applying at least one potential sweep on this surface carried out in such a way that at any point of said surface the maximum potential of each potential sweep, in absolute value and relative to a reference electrode, is greater than or equal to the value of the potential (v) from which the curves of a graph expressing the quantity of electro-grafted precursor on a surface identical to said surface in function of the number of potential sweeps are all superposed and independent of this vpotential.

Process for lining a surface using an organic film

Bioactive prostheses with immunosuppressive, antistenotic and antithrombotic properties

Growing community of inventors

Auffargis, France

Guy Deniau