Results 71 to 80 of about 7,719 (288)

E. coli Extracellular Matrix: A Tunable Composite With Hierarchical Structure

Advanced Materials, EarlyView.
The complex composite‐like mechanical behavior of E. coli biofilm matrix is the result of a synergic contribution of the rigid curli and swelling pEtN‐cellulose, and emerges from specific ratio and assembly conditions. The interactions between the two fibers govern biofilm hydration and characteristic wrinkling patterns, providing crucial insights for ...
Macarena Siri, Agustín Mangiarotti, Anne Seewald, Nikolai Rosenthal, Shahrouz Amini, Emeline Raguin, Peter Fratzl, Cécile M. Bidan   +7 more
wiley   +1 more source

Distributed Cloud Association and Beamforming in Downlink Multi-Cloud Radio Access Networks [PDF]

, 2020
Conventional cloud-radio access networks assume the existence of a single processor, responsible for managing a plurality of devices. To cope with the current drastic increase in the number of data-hungry systems, several clouds would be practically ...
Al-Naffouri, Tareq Y., Dahrouj, Hayssam, Chaaban, Anas, Alouini, Mohamed-Slim, Hayssam Dahrouj, Mohamed-Slim Alouini, Alaa Alameer Ahmad, Tareq Y. Al-Naffouri, Aydin Sezgin, Anas Chaaban, Sezgin, Aydin, Ahmad, Alaa Alameer   +11 more
core   +1 more source

Interfacial Acid Sites‐Mediated ZnO‐Based Electrocatalysts for Sustainable Dual‐Pathway H2O2 Production and Rechargeable Zn‐H2O2 Electrochemical Cell

Advanced Materials, EarlyView.
In this work, a synergistic strategy introduces interfacial acid sites, oxygen vacancies, and built‐in electric field into ZnSe/ZnO heterojunction to optimize its electronic structure and electrode micro‐environment. This overcomes sluggish oxygen reduction reaction kinetics and low H2O2 selectivity, achieving record H2O2 productivity (754.4 M gcat−1 ...
Lijun Yang, Sitong Liu, Wencheng He, Fengzhan Sun, Shubing Bi, Hongge Pan, Lingfeng Zhu, Tianyi Ma, Lei Zhang   +8 more
wiley   +1 more source

Opportunistic Network Coding-Assisted Cloud Offloading in Heterogeneous Fog Radio Access Networks

IEEE Access, 2019
Caching and cloud control are new technologies that were suggested to improve the performance of future wireless networks. Fog radio access networks (F-RANs) have been recently proposed to further improve the throughput of future cellular networks by ...
Yousef N. Shnaiwer, Sameh Sorour, Tareq Y. Al-Naffouri, Samir N. Al-Ghadhban   +3 more
doaj   +1 more source

Spectrum sensing and resource allocation for 5G heterogeneous cloud radio access networks

IET Communications, 2022
In this paper, the problem of opportunistic spectrum sharing for the next generation of wireless systems empowered by the cloud radio access network (C‐RAN) is studied.
Hossein Safi, Ali Mohammad Montazeri, Javane Rostampoor, Saeedeh Parsaeefard   +3 more
doaj   +1 more source

Sub‐Diffraction Nanolithography of Halide Perovskite via Reversible All‐Optical Crystallization–Decomposition

Advanced Materials, EarlyView.
A reversible, all‐optical modulation strategy enables resist‐free, sub‐diffraction nanolithography of halide perovskite films. Leveraging 800 nm fs laser‐induced crystallization and 365 nm laser driven decomposition, reconfigurable patterning achieves feature sizes down to 93.5 nm. This chemistry‐free approach offers dynamic control over optoelectronic
Zhengfen Wan, Xiao Huang, Fangyi Zhang, Qiming Zhang, Min Gu   +4 more
wiley   +1 more source

On Designing Energy-Efficient Heterogeneous Cloud Radio Access Networks [PDF]

, 2018
Heterogeneous cloud radio access network (H-CRAN) promises higher energy efficiency (EE) than the conventional cellular networks by centralizing the baseband signal processing into the baseband unit (BBU) pool hosted by cloud computing platforms. Because
Qiang Liu, Gang Wu, Ansari, Nirwan, Tao Han, Liu, Qiang, Han, Tao, Nirwan Ansari, Wu, Gang   +7 more
core   +1 more source

Organic–Inorganic Hybrid Hole‐Selective Layer Interface Engineering for Enhanced Photoelectrochemical Water Oxidation on Bismuth Vanadate Photoanodes

Advanced Materials, EarlyView.
In this research the [4‐(3,6‐dimethyl‐9H‐carbazol‐9‐yl)butyl] phosphonic acid (Me‐4PACz) self‐assembled monolayers (SAMs) to bond with NiOx is first designed to be the organic‐inorganic hybrid hole‐selective layers, which promotes the BiVO4 photoanodes photoelectrochemical water splitting performance with 6.9 mA cm−2 photocurrent at 1.23 VRHE and at ...
Kaige Tian, Dingyanyan Zhou, Jiafan Zhang, Zhennan Wang, Yujin Ji, Youyong Li, Hui Li, Zhong‐Yong Yuan, Shuit‐Tong Lee, Tianyi Ma, Junqing Yan   +10 more
wiley   +1 more source

Fluorinated Deep Eutectic Gel Electrolytes with Simultaneously Enhanced Mechanical Strength and Ionic Conductivity for Solid‐State Lithium Metal Batteries

Advanced Materials, EarlyView.
The synergistic integration of rigid polyacrylamide (PAM) and flexible poly(N,N‐dimethylacrylamide) (PDMA) phases offers exceptional toughness to suppress lithium dendrites, simultaneously enhancing mechanical strength and ionic conductivity. ABSTRACT Gel polymer electrolytes for lithium‐metal batteries face an inherent trade‐off between mechanical ...
Hao Long, Yuhao Liang, Ting He, Xueming Chen, Zimo Huang, Hao Chen, Shanqing Zhang   +6 more
wiley   +1 more source

Spatial and Temporal Computation Offloading Decision Algorithm in Edge Cloud-Enabled Heterogeneous Networks

IEEE Access, 2018
A novel concept of the edge cloud has recently been introduced to reduce transmission costs in mobile cloud computing services. Heterogeneous networks with diverse radio access networks will be pervasive in the future. In this paper, we propose a spatial
Haneul Ko, Jaewook Lee, Sangheon Pack
doaj   +1 more source