Results 91 to 100 of about 278,175 (262)

A Dynamic and Incremental Graphical Grid Authentication Technique for Mobile and Web Applications

IEEE Access
Knowledge-based authentication techniques remain one of the proven ways of maintaining confidentiality, ensuring integrity, and guaranteeing the availability of an information system.
Jiaming Gong, Oluwatobi Noah Akande, Chia-Chen Lin, Saurabh Agarwal   +3 more
doaj   +1 more source

An IPv6-based framework for fog-assisted healthcare monitoring

Advances in Mechanical Engineering, 2019
The new generation healthcare monitoring system combines technologies of wireless body sensor network, cloud computing, and Bigdata, and there are still limitations in protocol security, response delay, and prediction of potential severity disease.
Jianqiang Hu, Keshou Wu, Wei Liang
doaj   +1 more source

Tunable Extraordinary Optical Transmission in the Long‐Wavelength Infrared Range Using Electrostatic MEMS Actuation

Advanced Materials Technologies, EarlyView.
A MEMS‐integrated metamaterial filter enables continuous, low‐voltage spectral tuning in the long‐wavelength infrared (LWIR). The device employs extraordinary optical transmission in a dual suspended metasurface stack, where electrostatic actuation precisely controls the intermembrane air gap.
Oleg Bannik, Fedor Kovalev, Michal Zawierta, Dilusha Silva, Lorenzo Faraone, Ilya Shadrivov, Mariusz Martyniuk   +6 more
wiley   +1 more source

Turning Water Into a Tool: From Degradation Pathways to Functional Engineering in Halide Perovskites

Advanced Materials Technologies, EarlyView.
Water exhibits a threshold‐dependent dual role in lead halide perovskites, acting either as a degradation trigger or as a powerful tool for defect passivation, recrystallization, and structural engineering. This review discusses how controlled water‐mediated interactions govern stability, dimensionality, and optoelectronic performance, providing ...
Raphaella T. S. Gonçalves, Gabriela O. Gera, Aryane Tofanello, Jose A. Souza, Andre L. M. Freitas   +4 more
wiley   +1 more source

Experimental Analysis of Wi-Fi 6, MulteFire, and 5G in Real-Time Industrial Connectivity

IEEE Access
Industry 4.0 is set to transform manufacturing through enhanced connectivity, where low-latency wireless infrastructure is essential for securely and efficiently linking devices and systems.
Akif Kabaci, Sebastian Bro Damsgaard, Preben E. Mogensen   +2 more
doaj   +1 more source

Extrusion Bioprinting for Wound Healing: Innovations in Functionalized Bioinks and Bioprinting Technology

Advanced Materials Technologies, EarlyView.
Extrusion‐based bioprinting (EBB) has emerged as a versatile biofabrication platform capable of precisely depositing bioinks composed of biomaterials, cells, and bioactive agents to generate patient‐specific, biomimetic skin constructs. This paper presents a state‐of‐the‐art and forward‐looking overview of EBB for wound healing, encompassing printing ...
Hien‐Phuong Le, Anh Tuan Trong Tran, Ammara Waheed, Tran Thanh Tung, Dusan Losic   +4 more
wiley   +1 more source

Toward Adaptive User Interface Design Strategies for Older Adults: A Thematic Analysis

IEEE Access
Older adults face challenges when interacting with digital technologies due to cognitive decline, perceptual limitations, motor difficulties, and security and privacy concerns.
Shuhadah Othman, Nazlena Mohamad Ali, Hyowon Lee   +2 more
doaj   +1 more source

Self‐Powered Visible‐Blind Graphene/NiO/ZnO UV‐C Photodiodes

Advanced Optical Materials, EarlyView.
“A scalable architecture for self‐powered UV‐C photodiodes integrates defect‐engineered p‐NiO/n‐ZnO heterojunctions with highly UV‐C transparent graphene anodes. The type‐II band alignment combined with the built‐in electrical field enables robust zero‐bias charge separation.
Umut Kaya, Leon Lörcher, Yasaman Jarrahizadeh, Axel Lorke, Wolfgang Mertin, Gerd Bacher   +5 more
wiley   +1 more source

Horse Herd Leadership Optimization: A Trust-Aware Metaheuristic for Resource Allocation and Secure Wireless Sensor Networks

Technologies
Wireless sensor networks (WSNs) are foundational to modern smart environments, supporting applications ranging from healthcare and precision agriculture to industrial control and disaster response.
Samer Sindian, Ziad Osman, Abdallah AL-Sabbagh   +2 more
doaj   +1 more source

Multiobjective Codesign Optimization of a Planar Pneumatic Artificial Muscle‐Based Snake‐Like Robot for Enhanced Agility and Energy Efficiency

Advanced Robotics Research, EarlyView.
A codesign multiobjective optimization framework was developed to enhance the morphology and controller of a snake‐like robot driven by artificial muscles. It improved planar locomotion, agility, and power efficiency. The approach optimized link geometry and controller gains, revealing that shorter muscles near joints and longer linkages maximize ...
Ayla Valles, Mahdi Haghshenas‐Jaryani
wiley   +1 more source