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Affichage de 5501 à 5510 sur 16075

Article dans une revue

Selective Manipulation of Microscopic Particles with Precursor Swirling Rayleigh Waves

Antoine Riaud, Michael Baudoin, Olivier Bou Matar, Loic Becerra, Jean-Louis Thomas

Contactless manipulation of microparticles is demonstrated with single-beam acoustical tweezers based on precursor swirling Rayleigh waves. These surface waves degenerate into acoustical vortices when crossing a stack made of a fluid layer and its solid support, hence creating a localized…

Physical Review Applied, 2017, 7, pp.024007. ⟨10.1103/PhysRevApplied.7.024007⟩. ⟨hal-01519025⟩

Communication dans un congrès

Experimental investigation of stochastic resonance in a 65 nm CMOS artificial neuron

Sara Hedayat, Ilias Sourikopoulos, Christophe Loyez, Francois Danneville, Laurent Clavier, Virginie Hoel, A. Cappy

This work proposes an experimental demonstration of the stochastic resonance, a phenomenon widely observed in biology using a 65 nm CMOS artificial neuron. The stochastic resonance has been revealed through two different statistical studies. Moreover, when optimal, a signal to noise ratio at the…

International Conference on Noise and Fluctuations (ICNF), Jun 2017, Vilnius, Lithuania. ⟨10.1109/ICNF.2017.7985962⟩. ⟨hal-03270101⟩

Article dans une revue

On demand electrochemical release of drugs from porous reduced graphene oxide modified flexible electrodes

Samia Boulahneche, Roxana Jijie, Alexandre Barras, Fereshteh Chekin, Santosh K Singh, Julie Bouckaert, Mohamed Salah Medjram, Sreekumar Kurungot, Rabah Boukherroub, Sabine Szunerits

Despite the advantages of an electrochemical control for drug release, only a handful of electrochemical-based release systems have been developed so far. We report herein on the development of an electrochemically activatable platform for on-demand delivery of drugs. It is based on flexible gold…

Journal of materials chemistry‎ B, 2017, 5 (32), pp.6557-6565. ⟨10.1039/C7TB00687J⟩. ⟨hal-01679631⟩

Article dans une revue

Advancements on the molecular design of nanoantibiotics: current level of development and future challenges

Roxana Jijie, Alexandre Barras, Florina Teodorescu, Rabah Boukherroub, Sabine Szunerits

Numerous antimicrobial drugs have been developed and commercialized to kill and inhibit the growth of pathogenic microbes. The therapeutic efficiency of these drugs has however become often inadequate for the treatment of microbial infections, the reasons being multiple. Oral administration results…

Molecular Systems Design & Engineering, 2017, 2 (4), pp.349-369. ⟨10.1039/C7ME00048K⟩. ⟨hal-01686819⟩

Article dans une revue

High performance heterostructure low barrier diodes for sub-THz detection

Salman Nadar, Mohammed Zaknoune, X. Wallart, Christophe Coinon, Emilien Peytavit, Guillaume Ducournau, Florent Gamand, Maxime Thirault, Matthieu Werquin, Sylvain Jonniau, Nicolas Thouvenin, Christophe Gaquière, Nicolas Vellas, Jean-Francois Lampin

Heterostructure low barrier diodes (HLBD) based on lattice-matched AlGaInAs triangular barrier have been designed, fabricated, and characterized for zero-bias millimeter-wave and submillimeter-wave detection. Detectors with different barrier height and various active areas have been measured in…

IEEE Transactions on Terahertz Science and Technology, 2017, 7 (6), pp.780-788. ⟨10.1109/TTHZ.2017.2755503⟩. ⟨hal-03286184⟩

Communication dans un congrès

An ultra broadband 0.5-18 GHz BPSK modulator

Paul Sangare, Christophe Loyez, Kevin Carpentier, Markus Mayer, Dirk Hartung, Francois Parickmiler, Nathalie Rolland

This paper presents an innovative topology of an ultra-broadband BPSK modulator. This novel architecture consists of a specific distributed amplifier and absorptive switches, providing amplitude flatness and low phase imbalance over the 0.5 - 18 GHz frequency bandwidth. Experimental results…

12th European Microwave Integrated Circuits Conference (EuMIC), Oct 2017, Nuremberg, Germany. paper EuMIC08-3, 171-174, ⟨10.23919/EuMIC.2017.8230687⟩. ⟨hal-03270104⟩

Chapitre d'ouvrage

Approach-to-equilibrium molecular dynamics

Évelyne Martin, Pier Luca Palla, H. Zaoui, Fabrizio Cleri

Besides steady-state methods presented in Chapters 8 and 9, molecular dynamics simulations can also be used to simulate temperature transients, by means of approach-to-equilibrium molecular dynamics (AEMD) calculations. The interest for such methods is materialso the short MD simulation time…

Termentzidis K. Nanostructured semiconductors: amorphization and thermal properties, Pan Stanford Publishing Pte. Ltd., Chapitre 8, 191-205, 2017, 9789814745659; 9789814745642. ⟨10.1201/9781315364452⟩. ⟨hal-03407456⟩

Article dans une revue

Separation of two fractions of immiscible liquids by ultrasound in microgravity

Leonid Krutyansky, Farzam Zoueshtiagh, Philippe Pernod, P. Shirkovskiy, Andrey Brysev

Ultrasonic separation of two immiscible liquids under microgravity conditions has been demonstrated on example of liquid mixtures of FC-70 or FC-72 with silicone oils of 1.5 or 1.0 cSt viscosities, respectively. A 3-MHz focused ultrasound beam was utilized to form an emulsion from these liquid…

Physics of Wave Phenomena, 2017, 25 (2), pp.151-155. ⟨10.3103/S1541308X17020133⟩. ⟨hal-03277847⟩

Communication dans un congrès

Coupling of two resonant modes for insect wing mimicking in a flexible-wing NAV and generate lift

Damien Faux, Eric Cattan, Sébastien Grondel, Olivier Thomas

This work is based on the original concept of coupling two resonant vibration modes to reproduce insect wing kinematics and generate lift. The key issue is designing the geometry and the elastic properties of the artificial wings to achieve quadrature coupling of the bending and twisting motions…

ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS 2017), Sep 2017, Snowbird, United States. ⟨10.1115/SMASIS2017-3770⟩. ⟨hal-03280238⟩

Communication dans un congrès

Vibration de bulles en armure non sphériques

Michael Baudoin, Gaurav Prabhudesai, Ilyesse Bihi, Farzam Zoueshtiagh, Johny Jose

Les bulles en armures (des bulles couvertes par une monocouche de particules partiellement mouillantes) possèdent des propriétés fascinantes telles qu'une stabilité accrue vis à vis de leur dissolution ou leur capacité à conserver des formes non sphériques. Ces bulles peuvent être produites en…

CFM 2017 - 23ème Congrès Français de Mécanique, Aug 2017, Lille, France. ⟨hal-03465359⟩