Results 51 to 60 of about 104,021 (275)

Secrecy Performance Analysis of Hybrid RF/VLC Dual-Hop Relaying Systems

open access: yesFrontiers in Physics, 2021
In this article, the secrecy performance of a hybrid radio frequency (RF)/visible light communication (VLC) system is studied. In this hybrid system, the source node (i.e., Alice) transmits information to the relay node via the outdoor RF link.
Jiaoli Liu   +5 more
doaj   +1 more source

Nanoscale Mapping of Plasmonic Charge Transport in Nano‐Resonators Based on Resistive Switching Materials

open access: yesAdvanced Functional Materials, EarlyView.
In this strategy, a conductive nano‐probe is employed to induce nanoscale phase transitions and map the nanoscale conductivity and trap density of GST films. By utilizing the contrasting properties of phase‐change states, nano‐resonators are fabricated that exhibit plasmonic conduction and dramatically different transport characteristics.
Sunwoo Bang   +4 more
wiley   +1 more source

High-speed Underwater Wireless Optical Communication: Potential, Challenges, and Possible Solutions [PDF]

open access: yes, 2017
Traditional underwater communication systems rely on acoustic modems due their reliability and long range. However their limited data rates, lead to the exploration of alternative techniques.
Alouini, Mohamed-Slim
core  

A Surface‐engineered Microfluidic Device for Antibody‐Mediated Negative Selection of High‐Quality Sperm for Assisted Reproduction

open access: yesAdvanced Functional Materials, EarlyView.
This study reports a microfluidic device with a functionalized surface utilizing a polyoxazoline coating and covalently immobilized gold nanoparticles and anti‐phosphatidylserine antibody. The device efficiently eliminates pre‐apoptotic and apoptotic spermatozoa and yields sperm with substantially improved quality and low DNA damage, offering a simple ...
Soraya Rasi Ghaemi   +5 more
wiley   +1 more source

Multi‐Scale Interface Engineering of MXenes for Multifunctional Sensory Systems

open access: yesAdvanced Functional Materials, EarlyView.
MXenes, as two‐dimensional transition metal carbides and nitrides, demonstrate remarkable capabilities for multifunctional sensing applications. This review systematically examines multi‐scale interface engineering approaches that enhance sensing performance, enable diverse detection functionalities, and improve system‐level compatibility in MXene ...
Jiaying Liao, Sin‐Yi Pang, Jianhua Hao
wiley   +1 more source

Energy-Efficient Emerging Optical Wireless Links

open access: yesEnergies, 2023
In recent years, the tremendous increase in data traffic carried by wireless communication networks has generated the urgent need for establishing more energy-efficient wireless communication systems.
George K. Varotsos   +3 more
doaj   +1 more source

Oil palm leaf fibre and its suitability for paper-based products [PDF]

open access: yes, 2016
Due to the shortage of wood as origin materials for paper-based production, agro-residue materials have been explored in the quest of finding the best alternative fibre.
Algheethi, Adel   +7 more
core   +2 more sources

Ultrasmall Platinum Nanoparticles for Radiation‐Enhanced Cancer Therapy

open access: yesAdvanced Functional Materials, EarlyView.
This work proposes a nanomedicine‐based strategy to enhance X‐ray radiotherapy for cancer treatment. Ultrasmall Pt‐NPs exhibit catalase‐like activity that may contribute to modulation of the tumor microenvironment and amplify interactions between radiation and biological matter, leading to increased DNA damage.
Miguel Encinas‐Gimenez   +8 more
wiley   +1 more source

High isolation MIMO antenna based on metasurface for linear-circular polarization conversion and decoupling

open access: yesScientific Reports
A multi-layer metasurface (MTS) design is proposed in this paper, which simultaneously enables linear-to-circular (LTC) polarization conversion and decoupling functionality for a 3 × 3 antenna array.The antenna operates in the sub-6 GHz frequency band ...
Ting Wu, Fang Ma, Libin Wang, Jing Wen
doaj   +1 more source

GATE: Greening At The Edge

open access: yes, 2015
Dramatic data traffic growth, especially wireless data, is driving a significant surge in energy consumption in the last mile access of the telecommunications infrastructure.
Ansari, Nirwan, Han, Tao, Taheri, Mina
core   +1 more source

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