Results 31 to 40 of about 95,222 (318)

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

Advanced 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, David J. Sharkey, Nicole O. McPherson, Markos Negash Alemie, Krasimir Vasilev, Sarah A. Robertson   +5 more
wiley   +1 more source

Efficient Matrix-Based Channel Hopping Schemes for Blind Rendezvous in Distributed Cognitive Radio Networks

Sensors, 2018
Channel rendezvous is an initial and important process for establishing communications between secondary users (SUs) in distributed cognitive radio networks.
AbdulMajid Al-Mqdashi, Aduwati Sali, Nor kamariah Noordin, Shaiful J. Hashim, Rosdiadee Nordin   +4 more
doaj   +1 more source

MIMO MC-CDMA Systems over indoor optical wireless communication channels [PDF]

, 2011
Optical wireless communication systems offer a number of advantages over their radio frequency counterparts. The advantages include freedom from fading, freedom from spectrum regulations and abundant bandwidth.
Alsaadi, Fuad Eid S
core  

Design Strategies and Emerging Applications of High‐Performance Flexible Piezoresistive Pressure Sensors

Advanced Functional Materials, EarlyView.
Flexible piezoresistive pressure sensors underpin wearable and soft electronics. This review links sensing physics, including contact resistance modulation, quantum tunneling and percolation, to unified materials/structure design. We highlight composite and graded architectures, interfacial/porous engineering, and microstructured 3D conductive networks
Feng Luo, Artur Ciesielski, Paolo Samorì   +2 more
wiley   +1 more source

Wireless Communication Networks for Gas Turbine Engine Testing [PDF]

, 2011
A new trend in the field of Aeronautical Engine Health Monitoring is the implementation of wireless sensor networks (WSNs) for data acquisition and condition monitoring to partially replace heavy and complex wiring harnesses, which limit the versatility ...
Dutta, PS, Atkinson, Robert, Mingding, H, Sasloglou, Konstantinos, Xuewu Dai, Cai, Lim Yun, University College London, Han Mingding, Cai, LY, Dutta, Partha, Dutta, Partha S., John Strong, Ang Chee Wei, Lim Yun Cai, Partha S. Dutta, Cai, Yun L, Mitchell, John, Schiffers, Werner, Schiffers, W, Strong, J, Konstantinos Sasloglou, Sasloglou, K, Werner Schiffers, MITCHELL, J, Atkinson, R, Dai, Xuewu, John E. Mitchell, Wei, AC, Wei, Ang Chee, Rolls-Royce, Yun Cai, Lim, Dai, X, Wei, Chee Ang, Strong, John, Glover, Ian, Glover, I, Mitchell, John E., Isabella Panella, Mingding, Han, Ian Glover, Xuewu, Dai, Panella, Isabella, Robert Atkinson, Chee Wei, Ang, Panella, I   +44 more
core   +1 more source

Transfer Printing and Reconfiguration of Soft Electronics Using Digital Microfluidics and Laser Machining

Advanced Functional Materials, EarlyView.
This paper presents a digital microfluidics‐based technique for transferring and reconfiguring soft nanomembranes. Laser‐machined nanothin membranes are picked up, transported, and aligned via tailored surface tension and the actuation of water droplets, enabling the development of flexible electronics, the integration of functional materials on 3D ...
Quang Anh Nguyen, Chi Cong Nguyen, Tran Bach Dang, Phuoc Thien Phan, Jordan Thorpe, Michael Listyawan, Nhat Minh Doan, Sinuo Zhao, Hongru Chen, Trung Thien Hoang, Mingsheng Xu, Jisheng Han, Thanh Nho Do, Adam Hill, Timothée Mouterde, Hoang‐Phuong Phan   +15 more
wiley   +1 more source

High-Throughput, Sorted QR Accelerator for Non-Linear Processing in Open-RAN Systems

IEEE Access
Open Radio Access Networks (Open-RANs) require cost- and energy-efficient solutions to facilitate their large-scale deployment. A significant concern in multiple-input multiple-output (MIMO) systems employing traditional linear processing is the ...
Thomas James Thomas, Marcin Filo, Konstantinos Nikitopoulos   +2 more
doaj   +1 more source

Vacuum Formed Spherical Triboelectric Architecture Overcoming Direction Constraints for 3D‐Omnidirectional Ultrasonic Energy Receiving

Advanced Functional Materials, EarlyView.
First vacuum formed spherical triboelectric converter for 3D‐omnidirectional ultrasonic energy receiving, with configurable DC or pulse outputs for versatile applications. ABSTRACT Ultrasound‐driven triboelectric nanogenerators (UD‐TENGs) have emerged as promising ultrasonic energy converters for underwater and biomedical applications.
Yanqin Huang, Mengjie Qin, Zixuan He, Xu Yang, Wenjie Chen, Siya Zhou, Qiyuan Zhang, Zhangwei Wang, Yicheng Wang, Yonghong Cheng, Daniel M. Mulvihill, Sandy Cochran, Qingshen Jing   +12 more
wiley   +1 more source

Hierarchical blockchain structure for node authentication in IoT networks

Egyptian Informatics Journal, 2022
Internet of Things (IoT) networks are large peer-to-peer networks of small devices that require a competent security system that is scalable and adaptable to the limited resources of the IoT devices. Node authentication is a crucial part of IoT security.
Mahmoud Tayseer Al Ahmed, Fazirulhisyam Hashim, Shaiful Jahari Hashim, Azizol Abdullah   +3 more
doaj   +1 more source

Multi-user indoor optical wireless communication system channel control using a genetic algorithm [PDF]

, 2011
A genetic algorithm controlled multispot transmitter is demonstrated that is capable of optimising the received power distribution for randomly aligned single element receivers in multiple fully diffuse optical wireless communications systems with ...
M.S. Leeson, R.J. Green, E.L. Hines, Leeson, Mark S., Hines, Evor, Higgins, Matthew D., Green, Roger, M.D. Higgins   +7 more
core   +1 more source