Results 51 to 60 of about 63,789 (293)

Azobenzene's Cross‐Scale Optics and Photonics: Molecular Photoswitching, Mesoscopic Material Motions, and Adaptive Devices

Advanced Materials, EarlyView.
Azobenzene photoswitches translate molecular‐scale E/Z photoisomerization into macroscopic material responses and device‐level photonic functions. This Review highlights how azobenzene research has evolved from molecular photochemistry to photoalignment, mass migration, photomechanics, and heat release, ultimately enabling holography, reconfigurable ...
Heeju Son, Soyul Kwak, Heerin Noh, Minsang Kim, Doyeon Noh, Subhayan Chakraborty, Jaewon Lee, YongDeok Cho, Kyeongsoo Kim, Taewoong Eom, Moonyoung Kim, Jangwon Kim, Hoyoung Lee, Soyoung Lee, Jaehun Kim, Grace G. D. Han, Shin‐Tson Wu, Stefano Oscurato, Arri Priimagi, Marina Saphiannikova, Seungwoo Lee   +20 more
wiley   +1 more source

A Review of Security Issues When Integrating IoT With Cloud Computing and Blockchain

IEEE Access
The integration of the Internet of Things (IoT) and cloud computing, which play essential roles in our everyday routines, is expected to emerge as a fundamental element of the forthcoming internet, realizing increased usage and acceptance. This fusion is
Latifa Albshaier, Alanoud Budokhi, Ahmed Aljughaiman   +2 more
doaj   +1 more source

n‐Type Polymer Radio Frequency Rectifiers Operating at 18.5 GHz

Advanced Materials, EarlyView.
Combining an n‐doped polymer semiconductor with wafer‐scale asymmetric planar electrodes featuring work function‐engineered contacts yields radio‐frequency diodes and rectifying circuits operating at up to 18.5 GHz. The devices combine scalable manufacturing with an operating frequency previously unattainable by large‐area organic electronics ...
Lazaros Panagiotidis, Filip Aniés, Yiyang Yu, Mohammed Ghadiyali, Hendrik Faber, Zhanibek Bizak, Youssef Kabri, Pavlos Tzourmpakis, Suman Mandal, Linqu Luo, Temur Maksudov, Mohamad Insan Nugraha, Harold F. Mazo‐Mantilla, Patrice Vanelle, Julie Broggi, Khaled N. Salama, Udo Schwingenschlögl, Martin Heeney, Atif Shamim, Thomas D. Anthopoulos   +19 more
wiley   +1 more source

A Review of Blockchain’s Role in E-Commerce Transactions: Open Challenges, and Future Research Directions

Computers
The Internet’s expansion has changed how the services accessed and businesses operate. Blockchain is an innovative technology that emerged after the rise of the Internet.
Latifa Albshaier, Seetah Almarri, M. M. Hafizur Rahman   +2 more
doaj   +1 more source

A New Intelligent Approach for Optimizing 6LoWPAN MAC Layer Parameters

IEEE Access, 2017
Fairness, low latency, and high throughput with low energy consumption are desired attributes for medium access control (MAC) protocols. The IEEE 802.15.4 standard defines the MAC and physical layers standard for IPv6 over low power personal area network
Bilal R. Al-Kaseem, Hamed S. Al-Raweshidy, Yousif Al-Dunainawi, Konstantinos Banitsas   +3 more
doaj   +1 more source

Ti3C2Tx MXene/Silver Composite Foams For Lightweight, High‐Performance Electromagnetic Interference Shielding and Joule Heating

Advanced Materials Interfaces, EarlyView.
Ultrathin MXene/EMF composite foams achieve a specific shielding efficiency of 749.6 dB.dB·cm3$\mathrm{dB}\cdot {\mathrm{cm}}^{3}$/g, while the silver‐enhanced MXene/Ag/EMF reaches 81.4 dB shielding effectiveness at just 1.0 mm thickness. Both composites exhibit rapid Joule heating, retain stability up to 250∘C$^\circ{\rm C}$, and withstand 1000 ...
Abdullah A. Mahmood, Mingxuan Li, Vahid Rad, Mehdi Zarei, Chen‐Yu Yeh, Masoud Soroush, Guangyong Li, Paul W. Leu   +7 more
wiley   +1 more source

Detecting SQLi Attacks Using a Compact Transformer-Based Machine Learning Framework

IEEE Access
Structured Query Language Injection (SQLi) remains one of the most damaging web-application vulnerabilities because it enables adversaries to manipulate backend databases, extract sensitive data, and potentially gain persistent control over critical ...
Shoug Ibrahim Alsuhaibani, Hajer Mohammed Alsubhi, Ahmed Aljughaiman   +2 more
doaj   +1 more source

A Fault-Tolerant Scheme for Mobility Management in PCS Networks [PDF]

, 2011
[[abstract]]One of the most important and challenging issues in the design of personal communication service (PCS) systems is the management of location information.
Yang, Ming-Jeng;Yeh, Yao-Ming
core  

Avoiding Congestion Collapse on the Internet Using TCP Tunnels [PDF]

, 2002
10.1016/S1389-1286(01)00311-5Computer Networks392207 ...
Seah, W.K.G., Jacob, L., Lillykutty, Jacob, Seah, Winston, Lee, B.P., Ananda, A.L., Balan, R.K., LEE, Boon Peng, BALAN, Rajesh Krishna, Ananda, A. L.   +9 more
core   +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