Publications by Raphaël Barbey

Measurement device or biochip including an optical microcavity

Raphaël Barbey, Nicolas Maxime André Descharmes

The present invention concerns a measurement device including at least one fluidic channel for providing at least one specimen in at least one liquid to at least an optical measurement region of the measurement device; and at least one optical structure co ...

2022

Centimeter-Scale Propagation of Optical Surface Waves at Visible Wavelengths

Raphaël Barbey, Hans Peter Herzig, Gaël David Osowiecki, Nicolas Maxime André Descharmes, Babak Vosoughi Lahijani

Guiding and confining light at interfaces is crucial for applications involving light-matter interactions, such as surface spectroscopy, nonlinear optics, and quantum information technology. While dielectric surface waves offer promising perspectives for s ...

WILEY-V C H VERLAG GMBH2022

Surface-based luminescence measurement substrate

Raphaël Barbey, Nicolas Maxime André Descharmes

Surface-based measurement substrate including: • - at least one optical cavity layer (7); • - a first optical mirror (9) and a second optical mirror (11), the first and second optical mirrors enclosing the optical cavity layer and defining an optical cavit ...

2020

High Quality Factor Confinement Of Bloch Surface Waves At Visible Wavelengths

Raphaël Barbey, Hans Peter Herzig, Gaël David Osowiecki, Nicolas Maxime André Descharmes, Babak Vosoughi Lahijani

We report the first experimental demonstration of high quality factor confinement of Bloch surface waves at visible wavelengths. The cavities consist of planar Fabry-Perot resonators that are fabricated on top of a Bloch surface supporting substrate. This ...

IEEE2018

Postpolymerization Modification of Poly(glycidyl methacrylate) Brushes: An XPS Depth-Profiling Study

Raphaël Barbey, Harm-Anton Klok, Vincent Laporte

Surface-initiated polymerization represents a versatile strategy to modify a diverse range of materials with thin, functional polymer coatings. While in many cases the desired functional groups can be directly incorporated via (co)polymerization of the app ...

American Chemical Society2013

Diagnostic and Sensory Polymer Brushes

Raphaël Barbey, Harm-Anton Klok

2011

Room Temperature, Aqueous Post-Polymerization Modification of Glycidyl Methacrylate-Containing Polymer Brushes Prepared via Surface-Initiated Atom Transfer Radical Polymerization

Raphaël Barbey, Harm-Anton Klok

This manuscript reports on the post-polymerization modification of poly(glycidyl methacrylate) (PGMA) and PGMA-co-poly(2-(diethylamino)ethyl methacrylate) (PGMA(x)-co-PDEAEMA(y)) (co)polymer brushes prepared via surface-initiated atom transfer radical poly ...

2010

Protein Microarrays Based on Polymer Brushes Prepared via Surface-Initiated Atom Transfer Radical Polymerization

Raphaël Barbey, Markus Ehrat, Harm-Anton Klok

Polymer brushes represent an interesting platform for the development of high-capacity protein binding surfaces. Whereas the protein binding properties of polymer brushes have been investigated before, this manuscript evaluates the feasibility of poly(glyc ...

American Chemical Society2010

Polymer Brushes as Substrates for Microarray Applications

Raphaël Barbey

The development of innovative bioanalytical technologies that enable the discovery of new therapeutics or the creation of systems for rapid, accurate and parallel analyses has gained an extraordinary interest in the biomedical sector in the last 10-15 year ...

EPFL2010

Nonfouling Polypeptide Brushes via Surface-initiated Polymerization of N-epsilon-oligo(ethylene glycol)succinate-L-lysine N-carboxyanhydride

Raphaël Barbey, Harm-Anton Klok, Matthew Gibson, Jian Wang

This contribution describes the preparation of nonfouling polypeptide brushes via surface-initiated ring-opening polymerization of oligo(ethylene glycol) modified L-lysine N-carboxyanhydrides. Circular dichroism experiments indicated that these surface-anc ...

2009

Polymer Brushes via Surface-Initiated Controlled Radical Polymerization: Synthesis, Characterization, Properties, and Applications

Raphaël Barbey, Harm-Anton Klok, Stefano Tugulu, Caroline Sugnaux, Dusko Paripovic, Nicolas Bertrand Schüwer

American Chemical Society2009

Free-radical dispersion polymerization of methyl methacrylate in supercritical carbon dioxide: a parametric analysis with reaction calorimetry

Thierry Meyer, Sophie Fortini, Raphaël Barbey, Charalampos Mantelis

In this study, the application of reaction calorimetry, an efficient tool to obtain kinetic and safety data, is presented on the free radical dispersion polymn. of MMA in scCO2. The effect of three major parameters with respect to the reaction evolution ar ...

2007

Synthesis of poly(methacrylic acid) brushes via surface-initiated atom transfer radical polymerization of sodium methacrylate and their use as substrates for the mineralization of calcium carbonate

Raphaël Barbey, Harm-Anton Klok, Stefano Tugulu

This manuscript describes the synthesis of poly(methacrylic acid) (PMAA) brushes via surface-initiated atom transfer radical polymerization (SI-ATRP) of sodium methacrylate (NaMA) and their use as substrates for the mineralization of calcium carbonate. A C ...

American Chemical Society2007