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Affichage de 711 à 720 sur 1941

Article dans une revue

Curvotaxis directs cell migration through cell-scale curvature landscapes

Laurent Pieuchot, Julie Marteau, Alain Guignandon, Thomas dos Santos, Isabelle Brigaud, Pierre-Francois Chauvy, Thomas Cloatre, Arnaud Ponche, Tatiana Petithory, Pablo Rougerie, Maxime Vassaux, Jean-Louis Milan, Nayana Tusamda Wakhloo, Arnaud Spangenberg, Maxence Bigerelle, Karine Anselme

Cells have evolved multiple mechanisms to apprehend and adapt finely to their environment. Here we report a new cellular ability, which we term ``curvotaxis'' that enables the cells to respond to cell-scale curvature variations, a ubiquitous trait of cellular biotopes. We develop ultra-…

Nature Communications, 2018, 9, ⟨10.1038/s41467-018-06494-6⟩. ⟨hal-01960533⟩

Article dans une revue

Technological challenges and optimization efforts of the Stirling machine: A review

Houda Hachem, Ramla Gheith, Fethi Aloui, Sassi Ben Nasrallah

The Stirling engines are being carried out worldwide, used for divers’ application such as solar generator, micro cogeneration and cryogenic uses. The present paper is an over view of Stirling technologies researches. Several possibilities of resolving technical challenges encountered when…

Energy Conversion and Management, 2018, 171, pp.1365-1387. ⟨10.1016/j.enconman.2018.06.042⟩. ⟨hal-03449932⟩

Article dans une revue

Etat de l'art sur les systèmes d'aide à la communication envisageables pour des utilisateurs de profil IMC athétosique, State of art of possible communication support systems for users with athetoid cerebral palsy

Yohan Guerrier, Christophe Kolski, Franck Poirier

Cet article propose un état de l'art des systèmes d'aide à la communication utilisables par des utilisateurs de profil Infirme Moteur Cérébral (IMC) athétosique. De nos jours, de nombreuses aides à la communication sont proposées sur le marché et/ou présentées dans la littérature. Ces…, This article proposes a state-of-the-art on communication support systems that can be used by users with Athetoid Cerebral Palsy. Today, many communication support systems are available on the market and/or presented in the literature.They include (1) virtual keyboards, (2) software using…

Journal d'Interaction Personne-Système, 2018, Volume 6, Number 1 (1), pp.1-45. ⟨10.46298/jips.2662⟩. ⟨hal-01433734v3⟩

Article dans une revue

On the modeling of a visco-hyperelastic polymer gel under blunt ballistic impacts

Anthony Bracq, Grégory Haugou, Benjamin Bourel, Christophe Maréchal, Franck Lauro, Sébastien Roth, Olivier Mauzac

In this paper, the modeling of a polymer gel used as target medium in blunt ballistic experiments is presented. A new visco-hyperelastic law based on the Mooney–Rivlin model is proposed and implemented in a numerical simulation software. The material model identification relies on mechanical…

International Journal of Impact Engineering, 2018, 118, pp.78-90. ⟨10.1016/j.ijimpeng.2018.04.001⟩. ⟨hal-03451027⟩

Article dans une revue

Separation and preconcentration of actinides from concentrated nitric acid by extraction chromatography in microsystems

Marion Losno, Julien Pellé, Mylène Marie, Ivan Ferrante, René Brennetot, Stéphanie Descroix, Clarisse Mariet

An original method of monolith impregnation in microsystem for the analysis of radionuclides in nitric acid is reported. Three microcolumns made of monolith poly(AMA-co-EDMA) were impregnated in COC microsystems. The robustness of the microsystems in nitric acid media until 8 M was demonstrated.…

Talanta, 2018, 185, pp.586-591. ⟨10.1016/j.talanta.2018.04.036⟩. ⟨hal-04046828⟩

Article dans une revue

Study of engine performance, emission and combustion characteristics fueled with diesel-like fuel produced from waste engine oil and waste plastics

V. Edwin Geo, Ankit Sonthalia, Fethi Aloui, J. Femilda Josephin

Utilizing oil extracted from waste engine oil and waste plastics, by pyrolysis, as a fuel for internal combustion engines has been demonstrated to be one of the best available waste management methods. Separate blends of fuel from waste engine oil and waste plastic oil was prepared by mixing with…

Frontiers of Environmental Science & Engineering, 2018, 12 (4), ⟨10.1007/s11783-018-1063-6⟩. ⟨hal-03450001⟩

Article dans une revue

Assessment of the mechanical and tribological performance of a ZrN PVD coating

Mariana Henriette Staia, A. Trocelis, Amel Zairi, Maribel Suarez, Eli Saúl Puchi-Cabrera, A. Iost, Alex Montagne

The present work has been conducted in order to assess the mechanical and tribological performance of a ZrN/Mo 2 N coating deposited onto a H13 steel by means of a closed field unbalanced magnetron-sputtering ion-plating process. The hardness and elastic modulus of the coated system have been…

Surface Engineering, 2018, 35 (6), pp.491-500. ⟨10.1080/02670844.2017.1414766⟩. ⟨hal-03676488⟩

Article dans une revue

Morphology of Surface Integrity as Effect of Cold Forging of Aluminum Alloy

Catalin Pruncu, Tat Thang Pham, André Dubois, Mirentxu Dubar, Laurent Dubar

Aluminum and its alloys represent a common raw material for components released through a cold machining routine (i.e., forging, cold heading, and rolling processes). They offer easy manufacturing and high plastic strength, together with light weight, long life span, and easy recycling and are…

Tribology Transactions, 2018, 61 (4), pp.632-639. ⟨10.1080/10402004.2017.1386339⟩. ⟨hal-03451005⟩

Article dans une revue

INFLUENCE OF THE BONE MORPHOLOGY ON MECHANICAL BEHAVIOR OF HUMAN SKULL FOR TWO STRAIN RATE CASES

Manaf Karkar, Christophe Maréchal, Rémi Delille, Grégory Haugou, François Bresson, Pascal Drazetic, Thomas Colard

Modeling the mechanical behavior of bone is very complex due to substantial variability of the mechanical response of bone. The objective of this study is to investigate the link between morphology of the human parietal bone and its mechanical behavior in compression with two different strain rates…

Journal of Mechanics in Medicine and Biology, 2018, 18 (4), pp.1850046. ⟨10.1142/S021951941850046X⟩. ⟨hal-03450088⟩

Article dans une revue

Design and Control of an Assistive Device for the Study of the Post-stroke Sit-To-Stand Movement

Benyamine Allouche, Amal Saadé, Antoine Dequidt, Laurent Vermeiren, Olivier Rémy-Néris

Every year more than 5 million people worldwide become hemiplegic as a direct consequence of stroke. This neurological deficiency, often leads to a partial or a total loss of standing up abilities and /or ambulation skills. In order to propose new supporting solutions lying between the wheelchair…

Journal of Bionic Engineering, 2018, 15 (4), pp.647-660. ⟨10.1007/s42235-018-0053-5⟩. ⟨hal-03426890⟩