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Article dans une revue

A Localized Phage-Based Antimicrobial System: Effect of Alginate on Phage Desorption from β-TCP Ceramic Bone Substitutes

Rached Ismail, Natalia Dorighello Carareto, Jean-Christophe Hornez, Franck Bouchart

Tricalcium phosphate (TCP) is a prosthetic material commonly used as a bone substitute to repair osteoarticular diseases and injuries. In this type of bone reconstruction surgery, antibiotics remain the common preventive and therapeutic treatment for bacterial infection. Nevertheless, the emergence…

Antibiotics, 2020, 9, pp.560. ⟨10.3390/antibiotics9090560⟩. ⟨hal-04279743⟩

Article dans une revue

Improvement in energy conversion of electrostrictive composite materials by new approach via piezoelectric effect: Modeling and experiments

Rida Farhan, Adil Eddiai, Mounir Meddad, Nabil Chakhchaoui, Mohamed Rguiti, M'Hammed Mazroui

This study proposes a new model that couples the piezoelectric and electrostrictive behavior to minimize the polarization power of composite polymer. The development of this model is capable to predict the energy harvesting abilities of an electrostrictive composite. To improve the dielectric…

Polymers for Advanced Technologies, 2020, 32 (1), pp.123-130. ⟨10.1002/pat.5066⟩. ⟨hal-04280942⟩

Article dans une revue

2-D Modeling of Rosen-Type Piezoelectric Transformer by Means of a Polynomial Approach

Derandraibe Jeannot Falimiaramanana, Faniry Emilson Ratolojanahary, Jean-Etienne Lefebvre, Lahoucine El Maimouni, Mohamed Rguiti

A 2-D semianalytical model using the Legendre polynomial approach was applied for modeling the piezoelectric transformer (PT). In the model, the mechanical displacements and the electric potential were expanded in a double series of orthonormal polynomials with an appropriate analytical form.…

IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 2020, 67 (8), pp.1701-1714. ⟨10.1109/TUFFC.2020.2975647⟩. ⟨hal-03480267⟩

Article dans une revue

Microstructural design of ceramics for bone regeneration

Adrián del Valle García, Dominique Hautcoeur, Anne Leriche, Francis Cambier, Carmen Baudin

Dense tricalcium phosphate, Ca3(PO4)2 (TCP) – diopside, CaMg(SiO3)2, composites present better mechanical properties than single phase TCP. In this work, it is investigated whether the mechanical behaviour improvement by diopside is maintained in porous scaffolds. The processing parameters to…

Journal of the European Ceramic Society, 2020, 40 (7), pp.2555-2565. ⟨10.1016/j.jeurceramsoc.2019.10.039⟩. ⟨hal-03479608⟩

Article dans une revue

Coupling additive manufacturing and microwave sintering: A fast processing route of alumina ceramics

Hugo Curto, Anthony Thuault, Florian Jean, Maxence Violier, Vedi Dupont, Jean-Christophe Hornez, Anne Leriche

In this paper, a quick and efficient route to produce complex-shape alumina is reported. Alumina pieces are shaped by additive manufacturing (stereolithography) and densified by microwave sintering. Two raw powders are investigated in terms of both printing and microwave sintering: one alumina…

Journal of the European Ceramic Society, 2020, 40 (7), pp.2548-2554. ⟨10.1016/j.jeurceramsoc.2019.11.009⟩. ⟨hal-03479272⟩

Article dans une revue

Stability and asymptotic properties of a linearized hydrodynamic medium model for dispersive media in nanophotonics

Serge Nicaise, Claire Scheid

We analyze the stability of a linearized hydrodynamical model describing the response of nanometric dispersive metallic materials illuminated by optical light waves that is the situation occurring in nanoplasmonics. This model corresponds to the coupling between the Maxwell system and a PDE…

Computers & Mathematics with Applications, 2020, 79 (12), ⟨10.1016/j.camwa.2020.02.006⟩. ⟨hal-02276569⟩

Article dans une revue

A transmission problem of a system of weakly coupled wave equations with Kelvin–Voigt dampings and non-smooth coefficient at the interface

Alaa Hayek, Serge Nicaise, Zaynab Salloum, Ali Wehbe

The purpose of this work is to investigate the stabilization of a system of weakly coupled wave equations with one or two locally internal Kelvin-Voigt damping and non-smooth coefficient at the interface. The main novelty in this paper is that the considered system is a coupled system and that the…

SeMA Journal: Boletin de la Sociedad Española de Matemática Aplicada, 2020, 77 (3), pp.305 - 338. ⟨10.1007/s40324-020-00218-x⟩. ⟨hal-04305136⟩

Article dans une revue

Existence and multiplicity for an elliptic problem with critical growth in the gradient and sign-changing coefficients

Colette De Coster, Antonio J. Fernández Sánchez

Let Ω ⊂ RN, N≥ 2 , be a smooth bounded domain. We consider the boundary value problem [Figure not available: see fulltext.]where cλ and h belong to Lq(Ω) for some q> N/ 2 , μ belongs to R\ { 0 } and we write cλ under the form cλ: = λc+- c- with c+≩ 0 , c-≥ 0 , c+c-≡ 0 and λ∈ R. Here cλ and h are…

Calculus of Variations and Partial Differential Equations, 2020, 59 (3), ⟨10.1007/s00526-020-01755-z⟩. ⟨hal-03337292⟩

Article dans une revue

Development of Ultrasonic Surface Acoustic Wave Humidity Sensors, Développement de Capteurs d’Humidité Ultrasonores à ondes Acoustiques de Surface

Saliou Ndao, Marc Duquennoy, Christian Courtois, Mohammadi Ouaftouh, Mohamed Rguiti, Nikolay Smagin, Frédéric Rivart, Maurice Gonon, Grégory Martic, Christine Pelegris, Frédéric Jenot

In a European project called CUBISM, humidity sensors based on IDT (Inter Digital Transducer) technology are developed for the generation and detection of surface acoustic waves (SAW). These sensors are designed to operate at high temperature (500°C) for monitoring the drying of refractory concrete…, Dans le cadre d’un projet européen nommé CUBISM, des capteurs d’humidité basés sur la technologie IDT (Inter Digital Transducer) pour la génération et la détection des ondes acoustiques de surface ou SAW (Surface Acoustic Wave) sont développés. Ces capteurs sont destinés à fonctionner à haute…

Instrumentation, Mesure, Métrologie, 2020, 19 (3), pp.205-210. ⟨10.18280/i2m.190305⟩. ⟨hal-03480302⟩

Article dans une revue

3D printed bioceramic for phage therapy against bone nosocomial infections

Franck Bouchart, Olivier Vidal, Jean-Marie Lacroix, Corentin Spriet, Shaan Chamary, Annie Brutel, Jean-Christophe Hornez

This study provides a new therapeutic response to postoperative joint and bone infections. Alone or in combination with antibiotics, phage therapy has many advantages, including accurate targeting of pathogenic bacteria. In addition, a decrease in harmful side effects can improve the healing…

Materials Science and Engineering: C, 2020, 111, 13 p. ⟨10.1016/j.msec.2020.110840⟩. ⟨hal-04279673⟩