Results 61 to 70 of about 232,310 (307)

The Route to Artery Mimetics: Hybrid Bioinks for Embedded Bioprinting of Multimaterial Cylindrical Models

open access: yesAdvanced Functional Materials, EarlyView.
The fabrication of a cellularized, multilayered 3D printed cylindrical model comprising hybrid bioinks inspired by the natural extracellular environment as an approach to artery mimetics, is presented. Using embedded bioprinting, interlayer crosslinking of self‐supporting concentric cylinders is achieved.
Uxue Aizarna‐Lopetegui   +7 more
wiley   +1 more source

MECAT: Memory-Safe Smart Contracts in ARM TrustZone

open access: yesIEEE Access
A smart contract is a program executed on a blockchain. However, once the smart contract is deployed on the blockchain, it becomes visible to all participants and remains immutable.
Seonghwan Park   +4 more
doaj   +1 more source

WASMOD: Detecting vulnerabilities in Wasm smart contracts

open access: yesIET Blockchain, 2023
Over the past few years, blockchain platforms supporting WebAssembly (Wasm) smart contracts are gaining popularity. However, Wasm smart contracts are often compiled from memory‐unsafe languages (e.g. C and C++).
Jianfei Zhou, Ting Chen
doaj   +1 more source

High‐Performance Low‐Emissivity Paints Enabled by N‐Doped Poly(benzodifurandione) (n‐PBDF) for Energy‐Efficient Buildings

open access: yesAdvanced Functional Materials, EarlyView.
This study introduces a scalable and colored low‐emissivity (low‐e) paint achieved by spraying an ultrathin n‐doped poly(benzodifurandione) (n‐PBDF) coating onto various colored substrates. The low‐e paint enhances thermal regulation by reducing mid‐infrared thermal emissivity to 0.19, thereby stabilizing indoor temperatures across diverse climates ...
Xiaojie Liu   +13 more
wiley   +1 more source

Integrating a Blockchain-Based Governance Framework for Responsible AI

open access: yesFuture Internet, 2023
This research paper reviews the potential of smart contracts for responsible AI with a focus on frameworks, hardware, energy efficiency, and cyberattacks.
Rameez Asif   +2 more
doaj   +1 more source

Contracts Ex Machina [PDF]

open access: yes, 2017
Smart contracts are self-executing digital transactions using decentralized cryptographic mechanisms for enforcement. They were theorized more than twenty years ago, but the recent development of Bitcoin and blockchain technologies has rekindled ...
Kevin Werbach, Nicolas Cornell
core   +1 more source

Evolving Platinum‐Copper Nanostructures for Enhanced Photothermal Therapy and Controlled Copper Release in Cancer Therapy

open access: yesAdvanced Functional Materials, EarlyView.
Platinum‐Copper bimetallic nanoparticles may evolve depending on their synthesis under tumor microenvironment conditions and play a dual role as chemotherapeutic agents after releasing Cu ions and as near infrared photothermal agents with the Pt‐rich remaining frames.
Jose I. Garcia‐Peiro   +7 more
wiley   +1 more source

The Recognition and Regulation of Smart Contracts in South Africa

open access: yesPotchefstroom Electronic Law Journal
Our understanding of contracts continues to evolve. Electronic contracts that have typically taken the form of shrink-wrap, click-wrap, web-wrap, scroll-wrap, multi-wrap and sign-in-wrap agreements have undergone further developments with the ...
Michele van Eck, Fafa Delight Agbeko
doaj   +1 more source

Cryptographic obfuscation for smart contracts: Trustless bitcoin bridge and more

open access: yesBlockchain: Research and Applications, 2023
Privacy protection for smart contracts is currently inadequate. Existing solutions for privacy-preserving smart contracts either support only a limited class of smart contracts or rely on noncryptographic assumptions.We propose a cryptographic ...
Sora Suegami
doaj   +1 more source

Chemo‐Mechanical Coupling in Hydrogels: Dynamics in the Diffusion‐Limited Regime

open access: yesAdvanced Functional Materials, EarlyView.
A time‐dependent continuum model is developed to capture the transient swelling dynamics of chemo‐mechanical hydrogels. By coupling chemical reactions, solvent transport, and polymer deformation, volume phase transitions, reaction kinetics, and transient mechanical instabilities are analyzed.
Yao Xiong   +2 more
wiley   +1 more source

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