Results 131 to 140 of about 2,697,867 (333)

Additive‐Manufactured, Multifunctional Bioreactor Technology for Dynamic Culture of 3D Bioprinted Tissue Models

Advanced Materials Technologies, EarlyView.
We introduce an additively manufactured bioreactor with a perfusion flow system and integrated temperature and pH sensors for skeletal muscle tissue biofabrication. The bioreactor's performance was evaluated by assessing the viability, spreading of the myoblast cells in a printed scaffold, and contraction of the isolated murine musculi interossei ...
Lys Sprenger, Johann Schorzmann, Hsuan‐Heng Lu, Muhammad Osama, Julian Bauer, Michael Haug, Oliver Friedrich, Aldo R. Boccaccini, Frank Döpper, Sahar Salehi   +9 more
wiley   +1 more source

High‐Performance Piezoelectric Nanogenerators Based on Wurtzite BeO Nanowire Arrays

Advanced Materials Technologies, EarlyView.
This study demonstrates high‐performance piezoelectric nanogenerators based on 1D BeO nanowire arrays. The BeO nanowires exhibit a high piezoelectric coefficient (∼15.8 pm V−1) and deliver an output voltage of ∼26.1 V and power density of ∼0.32 µW cm−2.
Yoonseo Jang, Jihyeon Park, Seoyeah Oh, Jonghyun Bae, Prakash R. Sultane, Christopher W. Bielawski, Jiwon Kim, Jungwoo Oh   +7 more
wiley   +1 more source

Efficient Wireless Near-Field Links Between Bessel-Beam Launchers

IEEE Open Journal of Antennas and Propagation
The focused nature of Bessel beams allows for secure and efficient wireless links in the near-field region. Still, at millimeter waves, few studies analyze the transmission efficiency between devices in a systematic way. In addition, present studies only
Luca del Biondo, Edoardo Negri, Mauro Ettorre, Alessandro Galli, Paolo Burghignoli, Walter Fuscaldo   +5 more
doaj   +1 more source

Spacer‐Less Substrate‐Integrated Metasurface for Near‐Unity Terahertz Absorption

Advanced Optical Materials, EarlyView.
ABSTRACT Although conventional metal‐insulator‐metal (MIM) terahertz (THz) absorbers can provide near‐unity absorption, their multilayer stacks inevitably introduce additional thickness, mass, and residual stress, which limit their compatibility with THz thermal sensing platforms.
Zihao Zhao, Kazuho Harada, Qian Liu, Isao Morohashi, Xu Fang, Kazuhiko Hirakawa, Ya Zhang   +6 more
wiley   +1 more source

Wave focusing in elastic solids through Leaky-Wave engineering [PDF]

LAUREA MAGISTRALEQuesta tesi esplora soluzioni innovative per il monitoraggio strutturale (SHM) e per i controlli non distruttivi (NDT) che sfruttano il fenomeno delle Leaky waves.
Espis, Stefano, Gavazzeni, Matteo
core  

GeSn Quantum Wells for Room‐Temperature Mid‐Infrared Lasing on Si and on Insulator Platforms

Advanced Optical Materials, EarlyView.
This work demonstrates a high‐performance GeSn‐on‐Insulator (GeSnOI) platform achieving laser emission up to room temperature. By utilizing Group IV GeSn quantum well heterostructures, we successfully reached a target wavelength of 3.3 µm. This advancement paves the way for fully integrated Mid‐IR photonic CMOS‐compatible sources, overcoming the ...
Antoine Meyer, Hector‐Mauricio Reynoso‐de la Cruz, Omar Concepción, Prateek Kaul, Konstantinos Pantzas, Etienne Herth, Z. Ikonic, Giovanni Capellini, Detlev Grützmacher, Moustapha El Kurdi, Dan Buca   +10 more
wiley   +1 more source

Modal properties and radiative features of surface and leaky waves on metamaterial grounded slabs [PDF]

, 2006
In this paper a review of some recent results concerning guidance and radiation phenomena in a double-negative (DNG) metamaterial grounded slab is presented. The dispersion behaviour of TM and TE modes supported by this structure is studied by means of a
GALLI, ALESSANDRO, BACCARELLI, PAOLO
core  

Modulus‐Switchable Miniature Robots for Biomedical Applications: A Review

Advanced Robotics Research, EarlyView.
Materials, robot designs, proof‐of‐concept functions, and biomedical applications of modulus‐switchable miniature robots. Miniature soft robots have shown great potential in biomedical applications due to their excellent controllability and suitable mechanical properties in biological environments.
Chunyun Wei, Yibin Wang, Jiangfan Yu
wiley   +1 more source

Fast and Efficient Beam Alignment for Terahertz Communication via Sensing DoA of Leaky Waves From Intermediate Frequency Ports [PDF]

Terahertz (THz) offers the availability of huge bandwidth to provide unprecedented data rate for the sixth-generation mobile communication and beyond.
Zhang, Hongjie, Wang, Yang, Peng, Mugen, Liu, Yuanwei, Yang, Chuang   +4 more
core   +1 more source

Dielectric EBG Leaky-Wave Antenna: Design and Experimental Validation

IEEE Open Journal of Antennas and Propagation
This paper proposes a novel Electromagnetic Band-Gap (EBG) leaky-wave antenna (LWA) operating in the K-band with enhanced directivity at broadside. A rigorous method that combines the analysis of the band diagrams of Bloch waves propagating within two ...
Ludovica Tognolatti, Paolo Baccarelli, Cristina Ponti, Silvio Ceccuzzi, Vakhtang Jandieri, Giuseppe Schettini   +5 more
doaj   +1 more source