Results 91 to 100 of about 9,708,981 (308)

Autonomous Solar Metallurgy for High‐Purity Gold Recovery from Electronic Waste

open access: yesAdvanced Science, EarlyView.
Inspired by microbial strategies for metal uptake and biomineralization, defect‐rich copper sulfide (Cu31S16) functions as a solar metallurgical platform that unifies Au(III) capture, reduction, and self‐separation. The bioinspired design enables ultrafast gold recovery from electronic‐waste leachates and the spontaneous formation of millimeter‐scale ...
Chaopeng Liu   +7 more
wiley   +1 more source

Blockchain Approach for Healthcare Using Fog Topology and Lightweight Consensus

open access: yesActa Informatica Pragensia
Background: The internet of things (IoT) has transformed healthcare by integrating various devices and systems, fostering innovation in data management and operational efficiency.
Aya Laouamri   +4 more
doaj   +1 more source

Key Management for Beyond 5G Mobile Small Cells: A Survey

open access: yesIEEE Access, 2019
The highly anticipated 5G network is projected to be introduced in 2020. 5G stakeholders are unanimous that densification of mobile networks is the way forward.
Marcus De Ree   +5 more
doaj   +1 more source

NP2022_Centralized vs decentralized information systems

open access: yes, 2022
Slides from “Centralized vs decentralized information systems - issues of trust and control"Description:Modern information systems tend to be very centralized, with consolidating forces over the last 30 years defeating the original decentralized ...
Ambar Tenorio (12317373)
core   +1 more source

Rapid‐Forming Conductive Antifouling Hydrogel Coating Enables Magnetically Guided Electrochemical POCT for Direct at‑Home Blood Testing

open access: yesAdvanced Science, EarlyView.
The SPG‐MpECis electrochemical POCT platform developed in this study enables direct detection of biomarkers in complex biological samples such as serum and fingerstick blood, demonstrating high concordance with results from clinical reference methods and holding broad potential for at‐home testing applications.
Menghan Li   +10 more
wiley   +1 more source

Test, Trace, and Put on the Blockchain?: A Viewpoint Evaluating the Use of Decentralized Systems for Algorithmic Contact Tracing to Combat a Global Pandemic. [PDF]

open access: yesJMIR Public Health Surveill, 2021
Platt M   +7 more
europepmc   +1 more source

Enhancing Decentralized Decision-Making with Big Data and Blockchain Technology: A Comprehensive Review

open access: yesApplied Sciences
Big data and blockchain technology are coming together to revolutionize how decisions are made in a decentralized way across various industries. This review looks at how these technologies, along with distributed systems, can improve data security ...
Leonidas Theodorakopoulos   +2 more
doaj   +1 more source

Machine Learning Potential for Calcium Silicate Hydrates With Broad Compositional and Structural Diversity

open access: yesAdvanced Science, EarlyView.
Existing machine learning potentials remain limited in their ability to generalize across the broad chemical and structural variability of C–S–H. Here, a representative DFT‐labeled dataset is constructed through large‐scale model generation, redundancy‐controlled screening, first‐principles optimization, and targeted sampling of non‐equilibrium ...
Yunjian Li   +4 more
wiley   +1 more source

Integrating digital twins for optimized off-chain processing in decentralized systems

open access: yesFrontiers in Blockchain
Digital Twins are becoming essential for optimizing decentralized systems through real-time data processing and off-chain analytics. However, existing solutions often face challenges such as high latency, limited scalability, and weak synchronization ...
Mohammed El-Hajj
doaj   +1 more source

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