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Affichage de 2631 à 2640 sur 16076

  • Article dans une revue

State of the Art of Chemosensors in a Biomedical Context

Erich Kny, Ciril Reiner-Rozman, Jakub Dostalek, Achim-Walter Hassel, Christa Nöhammer, Florian Pfaffeneder-Mantai, Sabine Szunerits, Viktoria Weber, Wolfgang Knoll, Christoph Kleber

Healthcare is undergoing large transformations, and it is imperative to leverage new technologies to support the advent of personalized medicine and disease prevention. It is now well accepted that the levels of certain biological molecules found in blood and other bodily fluids, as well as in…

Chemosensors, 2022, 10 (6), pp.199. ⟨10.3390/chemosensors10060199⟩. ⟨hal-03681612⟩

  • Article dans une revue

Thermodynamics of Extra-Toughness and Hidden-Length in Polymeric Materials with Sacrificial Bonds

Romain Jorge Do Marco, Stefano Giordano

Sacrificial bonds have been observed in several biological materials and structures and can increase their toughness, i.e., their resistance to fracture. They provide a reversible mechanism for dissipating mechanical energy before the possible system rupture. From a structural point of view,…

Applied Mechanics, 2022, 3 (3), pp.935-955. ⟨10.3390/applmech3030053⟩. ⟨hal-03776029⟩

  • Article dans une revue

Investigation of the Eigen Frequency of a Cantilever Microbeam Immersed in a Fluid Under the Piezoelectric Effect

Victory Elias, Flavie Braud, Philippe Champagne, Georges Nassar

In this paper, a new model of piezoelectric cantilever is developed, it can be heavily used in a micro electromechanical system (MEMS). This new prototype eliminates several risks caused by the previous means already used and increases the sensation in terms of rheology. Our approach is based on…

Sensors & Transducers., 2021, 254 (7), pp.31-37. ⟨hal-03564209⟩

  • Article dans une revue

Dendritic Organic Electrochemical Transistors Grown by Electropolymerization for 3D Neuromorphic Engineering

K. Janzakova, M. Ghazal, A. Kumar, Yannick Coffinier, Sébastien Pecqueur, F. Alibart

One of the major limitations of standard top-down technologies used in today's neuromorphic engineering is their inability to map the 3D nature of biological brains. Here, it is shown how bipolar electropolymerization can be used to engineer 3D networks of PEDOT:PSS dendritic fibers. By…

Advanced Science, 2021, 8 (24), pp.2102973. ⟨10.1002/advs.202102973⟩. ⟨hal-03542157⟩

  • Communication dans un congrès

Performance Projection of GaN HEMT: Bias and Temperature Dependent Study of 3 rd -Order Intermodulation Distortion

Mohammad Alim, I. Jahan, Mayahsa Ali, Christophe Gaquière

The third-order intermodulation distortion in AlGaN/GaN high electron mobility transistors fabricated on SiC substrate for power amplifier applications is reported in this study as a function of bias and temperature. The nonlinearity of active devices in terms of frequency and input power was…

2021 3rd International Conference on Sustainable Technologies for Industry 4.0 (STI), Dec 2021, Dhaka, Bangladesh. pp.1-4, ⟨10.1109/STI53101.2021.9732585⟩. ⟨hal-03663718⟩

  • Pré-publication, Document de travail

Condensation and Growth of Amorphous Aluminosilicate Nanoparticles by Aggregation Process

Romain Dupuis, Seung Ho Hahn, Adri C. T. van Duin, Roland Pellenq, Arnaud Poulesquen

The precipitation of zeolite nanoparticles involves the initial formation of metastable precursors such as amorphous entities that crystalize through non-classical pathways. Here, using reactive force field based simulations, we reveal how aluminosilicate oligomers grow concomitantly to the…

2021. ⟨hal-03484661⟩

  • Rapport

Imputabilité à la présence d’un champ d’éoliennes de troubles rapportés dans deux élevages bovins

Yves Millemann, Cyrille Balland, Fabrice Giraudet, Lionel Grisot, Jean-François Labbé, James Roudet, Stéphane Tirlemont, Damien Voyer, Gilles Meyer, Catherine Belloc, Stéphane Bertagnoli, Alain Boissy, Henri-Jean Boulouis, Eric Collin, Jean-Claude Desfontis, Maria-Eleni Filippitzi, David Fretin, Emmanuelle Gilot-Fromont, Etienne Giraud, Nadia Haddad, Viviane Henaux, Elsa Jourdain, Sophie Le Bouquin Le Neveu, Sophie Le Poder, Elodie Monchatre-Leroy, Monique L’hostis, François Meurens, Pierre Mormede, Hervé Morvan, Carine Paraud, Ariane Payne, Carole Peroz, Claire Ponsart, Claude Saegerman, Gaëlle Simon, Jean-Pierre Vaillancourt, Anne Pereira de Vasconcelos, Thomas Claudepierre, Brigitte Debuire, Jean-François Doré, Thierry Douki, Jack Falcón, Emmanuel Flahaut, François Gaudaire, Irina Guseva-Canu, Martine Hours, Chaker Larabi, Joël Lelong, Frédérique Moati, Catherine Mouneyrac, Fabien Ndagijimana, Anne-Lise Paradis, Marie-Pierre Rols, Valérie Simonneaux, Alain Soyez, Esko Toppila, Alicia Torriglia, Françoise Viénot, Catherine Yardin, Valentina Andreeva, Serge Boarini, Anne Bourdieu, Jean-Marie Burkhardt, Philippe Chaumet-Riffaud, Pierre Degauque, Didier Dulon, Guillaume Dutilleux, Nicolas Feltin, Luc Fontana, Pierre-Marie Girard, Pascal Guenel, Thierry Letertre, Jean-Luc Morel, Catherine Collignon, Florence Étoré, Anthony Cadene

Selon la saisine, des troubles dans deux élevages bovins ont été rapportés comme concomitants à la construction en 2012 du parc éolien des Quatre Seigneurs, constitué de huit éoliennes situées sur quatre communes de Loire-Atlantique, à respectivement 800 et 1 300 mètres des deux élevages bovins…

[0] Saisine n° 2019-SA-0096, Anses. 2021, 219 p. ⟨anses-03792942⟩

  • Thèse

Functional metasurfaces controlled by Liquid crystals, Métasurfaces fonctionelles contrôlées par cristaux liquides

Racha Chamseddine

The main goal of this thesis was to dynamically control the reflectivity of a metasurface using LC technologies. The metasurfaces, tunable by voltage-controlled LC orientation, operate in a reflect-array mode and exhibit a high contrast ratio between quasi total absorption and low reflection,…, Le but principal de cette thèse a été de contrôler dynamiquement la réflectivité d’une métasurface par cristaux liquides. Les métasurfaces, dont les propriétés électromagnétiques sont contrôlées électriquement par l’orientation des molécules LC, fonctionnent en réflexion et présentent un très fort…

Micro and nanotechnologies/Microelectronics. Université de Lille, 2021. English. ⟨NNT : 2021LILUN030⟩. ⟨tel-03766339⟩

  • Thèse

Design and fabrication of GaN-based field effect power transistors up to W-band, Conception et réalisation de transistors de puissance à base du GaN jusqu’en bande W

Kathia Harrouche

In the last decades, remarkable progresses have been achieved with GaN high electron mobility transistors (HEMTs) for use in high-frequency power amplification and switching applications. Currently, the most matured GaN HEMTs are based on AlGaN/GaN heterostructures. More recently, Al-rich ultrathin…, Au cours des dernières décennies, des progrès remarquables ont été réalisés sur les transistors à haute mobilité électronique à base de GaN (HEMTs GaN) destinés aux applications d’amplification et de commutation de puissance à haute fréquence. Actuellement, les HEMTs GaN les plus matures sont basés…

Micro and nanotechnologies/Microelectronics. Université de Lille, 2021. English. ⟨NNT : 2021LILUN025⟩. ⟨tel-04413726⟩

  • Article dans une revue

Recent Progress on the Scanning Tunneling Microscopy and Spectroscopy Study of Semiconductor Heterojunctions

W. Peng, H. Wang, H. Lu, L. Yin, Y. Wang, B. Grandidier, D. Yang, X. Pi

The band alignment, interface states, interface coupling, and carrier transport of semiconductor heterojunctions (SHs) need to be well understood for the design and fabrication of various important semiconductor structures and devices. Scanning tunneling microscopy (STM) with high spatial…

Small, 2021, 17 (50), pp.2100655. ⟨10.1002/smll.202100655⟩. ⟨hal-03541941⟩