Article
Materials Science, Multidisciplinary
Minh-Loan Tran-Do, Jean-Pierre Habas, Bruno Ameduri
Summary: This study presents the oxygen-tolerant radical copolymerization of fluorinated monomers with vinyl ethers at room temperature in the presence of a tri-nbutylborane methoxypropylamine (TBB-MOPA)/CH3COOH system. Different alternating poly(FO-alt-VE) copolymers were synthesized, characterized, and studied for their thermomechanical properties and stabilities. The resulting copolymers showed high thermostability and hydrophobic surfaces, suggesting potential applications in paints, coatings, and elastomers.
ACS APPLIED POLYMER MATERIALS
(2022)
Article
Polymer Science
Jiannan Cheng, Xiang Xu, Qing Yu, Chaojie Li, Weiwei He, Lifen Zhang, Zhenping Cheng
Summary: We report a facile method to synthesize graft copolymers with a semi-fluorinated alternating backbone via simultaneous CuAAC reaction and ATRP. The synthesis of fluorinated backbone from START polymerization can be introduced to the graft copolymers due to the powerful tolerance and designability of semi-fluorinated alternating copolymers. This strategy provides a new and facile approach for the synthesis of fluorinated graft copolymers under mild conditions.
Article
Polymer Science
Dimitrios Selianitis, Stergios Pispas
Summary: This work introduces a series of novel multi-responsive hyperbranched copolymers which self-organize in aqueous media. The copolymers, prepared by RAFT polymerization, exhibit responsiveness to changes in solution temperature and pH, and are able to encapsulate hydrophobic drugs like curcumin. These hyperbranched copolymers show potential as candidates for drug delivery and bio-imaging applications, as they demonstrate stability in the presence of serum proteins.
Article
Polymer Science
Saeid Tajbakhsh, Faezeh Hajiali, Milan Maric
Summary: The study focused on nitroxide mediated polymerization of methacryloisobutyl POSS (POSSMA) and bio-sourced monomers, achieving high molecular weight polymers with high efficiency. The addition of POSSMA was shown to enhance the thermal stability of bio-based polymers, indicating significant potential for practical applications.
JOURNAL OF APPLIED POLYMER SCIENCE
(2021)
Article
Polymer Science
Henry Foster, Martina H. Stenzel, Robert Chapman
Summary: Compared to conventional techniques, photoinitiated electron/energy transfer-reversible addition-fragmentation chain transfer (PET-RAFT) allows for better control over the polymerization of multiblock star copolymers, avoiding the generation of termination products. This technique is also tolerant to oxygen, enabling the automated synthesis of multiblock star copolymers at short block lengths, providing a useful approach for screening the effect of polymer composition on solution structure.
Article
Chemistry, Multidisciplinary
Yu Wang, Sushant P. Sahu, Alec J. Clay, Amanda J. Gildersleeve
Summary: By combining nitroxide radicals and ATRP active halogens into a functional reagent, simultaneous ATRP-NRC relay polymerization was successfully achieved, allowing for tailored macromolecular architecture and functionality by using different functional reagents.
CHEMICAL COMMUNICATIONS
(2021)
Article
Polymer Science
Rang Chen, Xue Jiang, Guolin Lu, Wenbin Liu, Weize Jin, Guojian Tian, Xiaoyu Huang
Summary: Graft copolymers have versatile applications in material science due to their tunable structure and diverse morphologies. This study successfully synthesized amphiphilic graft copolymers bearing pyridine-containing hydrophilic backbones, which exhibited dual temperature- and pH-sensitive behavior, suggesting their potential as polymer-drug nanocarriers.
Article
Chemistry, Multidisciplinary
Mengwei Huo, Yi Guo, Xinbo Wang
Summary: In this study, an ordered micron-sized macroporous PI film was efficiently fabricated using PAA-b-PS copolymer with a specific volume fraction of PS, where the synergistic effect of hydrogen bonds and pi-pi interactions played a pivotal role.
NEW JOURNAL OF CHEMISTRY
(2023)
Article
Chemistry, Multidisciplinary
Mengwei Huo, Yi Guo, Xinbo Wang
Summary: An ordered micron-sized macroporous polyimide film was efficiently fabricated through the synergistic effect of hydrogen bonding and pi-pi interaction.
NEW JOURNAL OF CHEMISTRY
(2023)
Article
Polymer Science
James B. Young, Jared Bowman, Cabell B. Eades, Alexander J. Wong, Brent S. Sumerlin
Summary: Controlled radical polymerization techniques allow for the synthesis of polymers with specific molecular weights and architectures. In this study, the role of light in triggering thermal depolymerization of polymers synthesized through reversible-addition-fragmentation chain-transfer (RAFT) polymerization was investigated. By targeting specific electronic transitions, the depolymerization efficiency was enhanced.
Article
Polymer Science
Florian Baffie, Olivier Boyron, Muriel Lansalot, Vincent Monteil, Franck D'Agosto
Summary: Iodine transfer polymerization was used to produce polyethylene and poly(ethylene-co-vinyl acetate). A comparison of the kinetics and structures of the polymers formed using different iodine and di-iodo chain transfer agents showed that the iodine transfer polymerization method allows for good control of the polymerization process.
Article
Engineering, Chemical
Joseph J. Andry, Jaenic J. Lee, Jessica Wu, Katherine Xia, Eric S. Tillman
Summary: The study aims to find universal reaction conditions for different polymers to achieve high extents of coupling. By adjusting the choice of radical traps, high extents of coupling were successfully achieved for PSBr, PMABr, and PMMABr.
Review
Chemistry, Multidisciplinary
Ruoyu Li, Weina Kong, Zesheng An
Summary: This Minireview discusses the key roles enzymes play in reversible deactivation radical polymerization (Enz-RDRP) and highlights their applications in surface brush fabrication, sensing, polymerization-induced self-assembly, and high-throughput synthesis. The authors also reflect on the challenges and future directions of this emerging area.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Polymer Science
Mohamed Naguib, Kate L. Nixon, Daniel J. Keddie
Summary: This study reports the synthesis of two novel trithiocarbonate RAFT agents for bottlebrush synthesis via ROMP grafting-through polymerization. The correlation between the monomer type, degree of polymerization, and RAFT agent structure has been investigated. The results reveal that the properties of the resulting polymers are influenced by the monomer type, degree of polymerization, and RAFT agent structure.
Review
Polymer Science
Marc Guerre, Gerald Lopez, Bruno Ameduri, Mona Semsarilar, Vincent Ladmiral
Summary: Fluoropolymers have remarkable properties such as high resistance to chemicals, UV, and heat, as well as ferroelectricity and piezoelectricity. The incorporation of fluorinated moieties can confer unique properties, leading to self-assembly in solution and original morphologies with rare properties. Advances in organic and polymer chemistry have allowed for the design of fluorinated copolymer architectures.
Article
Computer Science, Hardware & Architecture
Qingxuan Wang, Ding Wang, Chi Cheng, Debiao He
Summary: This article presents a quantum-resistant smart-card-based password authentication scheme that utilizes lattice-based key exchange and fuzzy-verifier + honeywords technique to effectively protect against quantum attacks. The scheme is proven to be secure under the random oracle model and demonstrates better computation efficiency compared to the state-of-the-art conventional 2FA schemes.
IEEE TRANSACTIONS ON DEPENDABLE AND SECURE COMPUTING
(2023)
Article
Computer Science, Hardware & Architecture
Xinyi Hu, Debiao He, Min Luo, Cong Peng, Qi Feng, Xinyi Huang
Summary: In this article, the identity-based signature scheme is implemented on a modern NVIDIA RTX 3060 card to address the certificate management issue in traditional public-key cryptography. The performance is improved through converting pairing computation, employing precomputation technique, and applying PTX ISA.
ACM TRANSACTIONS ON EMBEDDED COMPUTING SYSTEMS
(2023)
Article
Computer Science, Theory & Methods
Xiaotong Zhou, Debiao He, Jianting Ning, Min Luo, Xinyi Huang
Summary: Edge computing is a distributed computing concept that allows edge servers to provide on-demand services to authorized consumers. However, security concerns such as unauthorized access and data manipulation have hindered the development of edge computing. This paper proposes AADEC, an anonymous and auditable distributed access control framework, to address these issues.
IEEE TRANSACTIONS ON INFORMATION FORENSICS AND SECURITY
(2023)
Article
Engineering, Electrical & Electronic
Xiaotong Zhou, Debiao He, Muhammad Khurram Khan, Wei Wu, Kim-Kwang Raymond Choo
Summary: Vehicular Ad-hoc Networks (VANETs) have potential applications in improving the efficiency and safety for intelligent transportation systems. The paper proposes an efficient blockchain-based CPPA (EBCPPA) scheme to address the limitations of existing schemes. Security and performance analyses show that EBCPPA is more efficient than other state-of-the-art solutions in terms of signing, verification, and bandwidth requirement.
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY
(2023)
Article
Engineering, Electrical & Electronic
Biwen Chen, Tao Xiang, Xiaoguo Li, Mingwu Zhang, Debiao He
Summary: Internet of Vehicles (IoV) faces security challenges such as authentication and access control due to its heterogeneity, openness, and diversity. We propose an efficient server-aided attribute-based signature scheme with collusion resistance (SAABS-CR) to address the computation overhead and collusion attacks issues in existing schemes.
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY
(2023)
Article
Polymer Science
Yin-Ning Zhou, Tian-Tian Wang, Zheng-Hong Luo
Summary: Accurate determination of the molar mass of polymers is crucial for polymerization kinetic investigation and precision polymer synthesis. This study proposes a distribution function-based strategy that rectifies the deviation of conventional calibration methods, leading to more accurate results. The strategy has been successfully applied to controlled chain-growth polymerizations, resulting in higher accuracy and minimal errors in molar mass determination.
Article
Computer Science, Information Systems
Hong Zhong, Chengdong Gu, Qingyang Zhang, Jie Cui, Chengjie Gu, Debiao He
Summary: The Industrial Internet of Things (IIoT) is crucial for intelligent manufacturing, industrial device management optimization, and productivity improvement. In cross-domain interaction scenarios, where different industries cooperate, the communication of industrial devices across domains poses security and privacy challenges. Current cross-domain authentication schemes often require a trusted third-party centralized authentication, limiting system flexibility. This paper proposes a distributed cross-domain message authentication scheme for IIoT, addressing these limitations by utilizing distributed authentication and secret sharing technology, enabling collaborative production among multiple manufacturers.
Article
Computer Science, Artificial Intelligence
Yulin Liu, Debiao He, Zijian Bao, Huaqun Wang, Muhammad Khurram Khan, Kim-Kwang Raymond Choo
Summary: Vehicle-to-Grid (V2G) networks are potential solutions to energy and environmental challenges, but security is a key concern. To address the issue of private information leakage in V2G networks, we propose an efficient multilayered linkable ring signature scheme called Emularis, along with an anonymous payment scheme. Rigorous security analysis proves that Emularis ensures security and privacy requirements, while also outperforming existing schemes in terms of communication and computation costs.
IEEE TRANSACTIONS ON INTELLIGENT VEHICLES
(2023)
Article
Computer Science, Hardware & Architecture
Douwei Lei, Debiao He, Cong Peng, Min Luo, Zhe Liu, Xinyi Huang
Summary: With the development of quantum computing, classical cryptographic schemes are no longer secure. Ideal lattice-based cryptography is emerging as a prime candidate for post-quantum cryptographic schemes. This article presents parallel implementations of polynomial arithmetic and sampling in ideal lattice-based cryptography, using the parallelism of new 512-bit AVX512 instructions, thus significantly improving their performance.
ACM TRANSACTIONS ON EMBEDDED COMPUTING SYSTEMS
(2023)
Article
Computer Science, Information Systems
Peng Jiang, Fuchun Guo, Willy Susilo, Chao Lin, Jiaxi Hu, Zhen Zhao, Liehuang Zhu, Debiao He
Summary: Ethereum leverages ECDSA for transaction validation. This work introduces EthereumX, which achieves better security without compromising the existing signature structure. Experimental results show that EthereumX performs comparably to Ethereum.
IEEE TRANSACTIONS ON SERVICES COMPUTING
(2023)
Article
Computer Science, Theory & Methods
Ningbin Yang, Chunming Tang, Quan Zhou, Debiao He
Summary: Data management services provided by the public cloud can save costs for enterprises and enable data sharing. However, concerns about data security and privacy in the public cloud exist. To address these issues, we propose a secure data sharing scheme based on a dynamic consensus committee, which utilizes blockchain technology to eliminate single-key-exposure issues and enables fast keyword search without the need for pairing or dynamic user management.
IEEE TRANSACTIONS ON INFORMATION FORENSICS AND SECURITY
(2023)
Article
Computer Science, Theory & Methods
Jing Zhang, Shuangshuang Su, Hong Zhong, Jie Cui, Debiao He
Summary: This study proposes an identity-based broadcast proxy re-encryption scheme to achieve flexible and efficient data sharing in vehicular ad hoc networks. The data sender generates a fixed ciphertext that can be obtained by newly added vehicles through authorized vehicles. Data receivers can decrypt ciphertext directly without knowing the identities of other receivers, and the decryption overhead is constant. In addition, the scheme achieves complete anonymous data sharing to protect vehicle privacy.
IEEE TRANSACTIONS ON INFORMATION FORENSICS AND SECURITY
(2023)
Article
Computer Science, Theory & Methods
Tian Li, Huaqun Wang, Debiao He, Jia Yu
Summary: This paper proposes a designated-verifier aggregate signature scheme (DVAS) based on permissioned blockchain to achieve sensitive data privacy. In this scheme, the aggregator can sanitize the sensitive data according to the contract, and convert the original signature of the sensitive data into a valid signature. The security attributes of DVAS include conditional anonymity, unforgeability, immutability and protecting data privacy. The formal security proof, performance evaluation and experiments indicate that DVAS is secure, effective and practical for Industrial Internet of Things.
IEEE TRANSACTIONS ON INFORMATION FORENSICS AND SECURITY
(2023)
Article
Computer Science, Artificial Intelligence
Ruonan Wang, Min Luo, Qi Feng, Cong Peng, Debiao He
Summary: In this study, we propose a multi-party privacy-preserving Faster R-CNN framework named SPFR, which achieves high-precision division, exponentiation, and logarithm calculation through blinding and oblivious transfer protocols. We design a series of privacy-preserving protocols that satisfy secure computational requirements and demonstrate their efficiency in Faster R-CNN through experiments.
IEEE TRANSACTIONS ON EMERGING TOPICS IN COMPUTATIONAL INTELLIGENCE
(2023)
Article
Computer Science, Hardware & Architecture
Chao Lin, Xinyi Huang, Debiao He
Summary: In this article, a blockchain-based conditional privacy-preserving authentication (BCPPA) protocol is proposed to balance anonymity, traceability, and key/certificate management in VANETs. The proposed protocol, named EBCPA, is more efficient and can meet the high mobility, low latency, and real-time requirements of VANETs. Implementation and comparison results show that EBCPA can reduce the time cost of traceability by at least 48.95% and verification by at least 42.21%.
IEEE TRANSACTIONS ON DEPENDABLE AND SECURE COMPUTING
(2023)
