Results 71 to 80 of about 6,388 (238)

Liquid Metal Microrobots for Magnetically Guided Transvascular Navigation

Advanced Materials, EarlyView.
Liquid metal‐based microrobots combine magnetic steering, intrinsic X‐ray visibility and softness, to navigate blood vessels even against flow. Under clinically relevant magnetic fields, liquid metal microrobots roll along vessel walls, cross endothelial barriers, and accumulate in target tissues.
Xiaohui Ju, Roshan Velluvakandy, Xianghua Wu, Miguel Angel Merlos Rodrigo, Zbyněk Heger, Kamila Bendíčková, Jan Frič, Martin Pumera   +7 more
wiley   +1 more source

A liquid crystal-based multi-bit terahertz reconfigurable intelligent surface

APL Photonics
Recently, the growing interest in reconfigurable intelligent surface (RIS) technology has spurred extensive research on its utilization in the terahertz (THz) regime.
Ze Shen, Weili Li, Biaobing Jin, Dixian Zhao   +3 more
doaj   +1 more source

Highly Efficient Hybrid Reconfigurable Intelligent Surface Approach for Power Loss Reduction and Coverage Area Enhancement in 6G Networks

Applied Sciences
This paper introduces a novel efficient hybrid reconfigurable intelligent surface (RIS) approach designed to significantly reduce power loss and enhance coverage area in 6G networks.
Aya Kh. Ahmed, Hamed S. Al-Raweshidy
doaj   +1 more source

Untethered Magnetic Microswimmers for Targeted Particle Transport and Flow Manipulation

Advanced Materials Technologies, EarlyView.
This work introduces magnetically actuated microswimmers to dynamically reconfigure fluid flow within a single microfluidic device. Multiple homogeneous microswimmers are independently controlled by an external magnetic field to perform translational and rotational motions, thereby inducing real‐time flow manipulation.
Dineshkumar Loganathan, Dong‐Ming He, Kai‐Wei Chen, Chia‐Yuan Chen   +3 more
wiley   +1 more source

Experimental Demonstration of Sensing Using Hybrid Reconfigurable Intelligent Surfaces

Sensors
Acquiring information about the surrounding environment is crucial for reconfigurable intelligent surfaces (RISs) to effectively manipulate radio wave propagation.
Idban Alamzadeh, Mohammadreza F. Imani
doaj   +1 more source

Recent Advances on Thermochromic Inks for Security Applications

Advanced Materials Technologies, EarlyView.
Thermochromic security inks have garnered interest in recent years as security elements for authentication, information encryption, and anti‐counterfeiting. This review outlines different types of thermochromic materials, how they have been developed as functional inks, and how advancements in property enhancement, sustainability, and printing ...
Duarte B. Oliveira, Andreia Araújo, Elvira Fortunato, Rodrigo Martins, Marta C. Corvo, Emanuel Carlos   +5 more
wiley   +1 more source

Intelligent Reconfigurable surface technique for Multiple Antenna Communication System

Wasit Journal of Engineering Sciences
The throughput growth of the coming wireless communication schemes requires the deployment of more base stations at a lower power use. We were inspired by the newly recommended intelligent reconfigurable surface technique (IRS) to address this issue ...
Noor Qasim, Ismail Hburi, Haider Salih Al Ammar   +2 more
doaj   +1 more source

AI-Assisted MAC for Reconfigurable Intelligent Surface-Aided Wireless Networks: Challenges and Opportunities [PDF]

, 2021
Cao, Xuelin, Bo Yang, Chongwen Huang, Chau Yuen, Marco Di Renzo, Zhu Han, Dusit Niyato, H. Vincent Poor, Lajos Hanzo   +8 more
openalex  

Simultaneously Transmitting and Reflecting Reconfigurable Intelligent Surface Assisted NOMA Networks [PDF]

, 2022
Xinwei Yue, Jin Xie, Yuanwei Liu, Zhihao Han, Rongke Liu, Zhiguo Ding   +5 more
openalex   +1 more source

Programmable Dimensional Lithography with Digital Micromirror Devices for Multifunctional Microarchitectures

Advanced Materials Technologies, EarlyView.
This review explores recent advances in digital micromirror device (DMD)‐based lithography, focusing on its programmable light modulation, multi‐material compatibility, and dimensional patterning strategies. It highlights innovations from optical system design to materials integration and multifunctional applications, positioning DMD lithography as a ...
Yubin Lee, Byungcheon Yoo, Chaeyeong Ryu, Jongwon Oh, Dahye Baek, Jiseok Lee   +5 more
wiley   +1 more source