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Affichage de 2701 à 2710 sur 16232

Article dans une revue

Pairing cells of different sizes in a microfluidic device for immunological synapse monitoring

Faruk Azam Shaik, Clara Lewuillon, Aurélie Guillemette, Bahram Ahmadian, Carine Brinster, Bruno Quesnel, Dominique Collard, Yasmine Touil, Loïc Lemonnier, Mehmet Tarhan

Analyzing cell–cell interaction is essential to investigate how immune cells function. Elegant designs have been demonstrated to study lymphocytes and their interaction partners. However, these devices have been targeting cells of similar dimensions. T lymphocytes are smaller, more deformable, and…

Lab on a Chip, 2022, 22 (5), pp.908-920. ⟨10.1039/d1lc01156a⟩. ⟨hal-03565627⟩

Article dans une revue

Optomechanical Hot-Spots in Metallic Nanorod–Polymer Nanocomposites

Thomas Vasileiadis, Adnane Noual, Yuchen Wang, Bartlomiej Graczykowski, Bahram Djafari-Rouhani, Shu Yang, George Fytas

Plasmonic coupling between adjacent metallic nanoparticles can be exploited for acousto-plasmonics, single-molecule sensing, and photochemistry. Light absorption or electron probes can be used to study plasmons and their interactions, but their use is challenging for disordered systems and colloids…

ACS Nano, 2022, 16 (12), pp.20419-20429. ⟨10.1021/acsnano.2c06673⟩. ⟨hal-03896196⟩

Article dans une revue

Early Breast Lump Detection Using the Intelligent Bra "IN-bra

Victory Elias, A Rabih, Georges Nassar

This paper proposes a new smart Bra concept to detect any potential strange lumps in women’s breasts by ultrasounds waves. These suspicious lumps can be a cyst, Abscess, Fibroadenoma, or Tumor. This system consists of 18 transducers positioned in a specific way, distributed on a ring, with a 5 MHz…

Early Breast Lump Detection Using the Intelligent Bra "IN-bra". Acta Scientific Women's Health, 2022, 4 (8), pp.43-49. ⟨10.31080/ASWH.2022.04.0412⟩. ⟨hal-04047721⟩

Article dans une revue

Electrocatalytic hydrogen generation using tripod containing pyrazolylborate-based copper(II), nickel(II), and iron(III) complexes loaded on a glassy carbon electrode

Mohamed Ibrahim, G. Mersal, Ahmed Fallatah, Khaled Althubeiti, Hamdy El-Sheshtawy, Manal Abou Taleb, Manash Das, Rabah Boukherroub, Mohamed Attia, Mohammed Amin

Three transition metal complexes (MC) namely, [Tp(MeMe)CuCl(H2O)] (CuC), [Tp(MeMe)NiCl] (NiC), and [Tp(MeMe)FeCl(2)(H2O)] (FeC) {Tp(MeMe) = tris(3,5-dimethylpyrazolypborate) were synthesized and structurally characterized. The three complexes CuC, NiC, and FeC-modified glassy carbon (GC) were…

RSC Advances, 2022, 12 (13), pp.8030-8042. ⟨10.1039/d1ra08530a⟩. ⟨hal-03621827⟩

Article dans une revue

Physical layer enhancement for next-generation railway communication systems

Qianrui Li, Jean-Christophe Sibel, Marion Berbineau, Iyad Dayoub, François Gallée, Herve Bonneville

This paper presents an overview of the challenges and state-of-the-art physical layer enhancement designs for next-generation railway communication, also known as high-speed train (HST) communication. The physical layer design for the HST should adapt from its counterpart in the general-purpose…

IEEE Access, 2022, 10, pp.83152 - 83175. ⟨10.1109/ACCESS.2022.3192971⟩. ⟨hal-03745413⟩

Article dans une revue

Codebook Designs for Millimeter-Wave Communication Systems in Both Lowand High-Mobility: Achievements and Challenges

Semah Mabrouki, Iyad Dayoub, Qianrui Li, Marion Berbineau

More connectivity, higher data rates, more reliability, massive network capacity, higher performance and fewer delays are required in the fifth generation (5G) of cellular networks. The last ten years have contained explosive growth in mobile data traffic due to the rapid proliferation of Internet-…

IEEE Access, 2022, 10, pp.25786 - 25810. ⟨10.1109/ACCESS.2022.3154016⟩. ⟨hal-03595846⟩

Article dans une revue

Comparison of Brillouin Light Scattering and Density of States in a Supported Layer: Analytical and Experimental Study

Ossama El Abouti, John Cuffe, El Houssaine El Boudouti, Clivia Sotomayor Torres, Emigdio Chavez-Angel, Bahram Djafari-Rouhani, Francesc Alzina

We provide a detailed analytical calculation of the Brillouin light scattering (BLS) intensity of a layer on a substrate, taking into account both photoelastic and moving boundary (ripple effect) mechanisms, and give a comparison between BLS intensity and density of states (DOS) to determine the…

Crystals, 2022, 12 (9), pp.1212. ⟨10.3390/cryst12091212⟩. ⟨hal-03769721⟩

Article dans une revue

Stiffening of nanoporous gold: experiment, simulation and theory

Claudio Melis, Giorgio Pia, Elisa Sogne, Andrea Falqui, Stefano Giordano, Francesco Delogu, Luciano Colombo

By combining electron microscopy measurements, atomistic simulations and elastic homogenization theory, we theoretically investigate the Young’s modulus of nanoporous Au structures. Based on atomistic replicas generated starting from experimental tomographic evidence, atomistic simulations reveal…

The European Physical Journal Plus, 2022, 137 (7), pp.858. ⟨10.1140/epjp/s13360-022-03041-7⟩. ⟨hal-03741445⟩

Article dans une revue

Redox-labelled electrochemical aptasensors with nanosupported cancer cells

S. Li, Yannick Coffinier, C. Lagadec, Fabrizio Cleri, K. Nishiguchi, A. Fujiwara, T. Fujii, S.-H. Kim, Nicolas Clement

The transfer of redox-labelled bioelectrochemical sensors from proteins to cells is not straightforward because of the cell downward force issue on the surface of the sensors. In this paper, 20-nm-thick nanopillars are introduced to overcome this issue, in a well-controlled manner. We show on both…

Biosensors and Bioelectronics, 2022, 216, 114643, 7 p. ⟨10.1016/j.bios.2022.114643⟩. ⟨hal-03768941⟩

Article dans une revue

CNTFET-Based Ternary Multiply-and-Accumulate Unit

Amr Mohammaden, Mohammed Fouda, Ihsen Alouani, Lobna Said, Ahmed Radwan

Multiply-Accumulate (MAC) is one of the most commonly used operations in modern computing systems due to its use in matrix multiplication, signal processing, and in new applications such as machine learning and deep neural networks. Ternary number system offers higher information processing within…

Electronics, 2022, 11 (9), pp.1455. ⟨10.3390/electronics11091455⟩. ⟨hal-03667814⟩