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Stereocomplexed and homocrystalline thermo-responsive physical hydrogels with a tunable network structure and thermo-responsiveness
NANOCOMPOSITE HYDROGELS POLY(LACTIC ACID) POLY(N-ISOPROPYLACRYLAMIDE) TOUGH GELS ELASTOMERS BEHAVIOR MEMORY CHAIN
2024/1/19
The widespread application of thermo-responsive hydrogels requires materials with robust mechanical properties and tunable responsiveness. Herein, we report robust thermo-responsive physical hydrogels...
Improvement of physical and mechanical properties of poplar wood via immobilization of rosin by grafting of vinyl chains
Wood polymeric rosin wood impregnation mechanical properties fluorescence microscope
2023/12/4
Rosin is renewable biomass with the potential to enhance wood properties. However, its high leaching rate restricts the durability of rosin impregnation. To immobilize rosin in wood structure, polymer...
Exploring the effects of bound rubber phase on the physical properties of nano-silica composites with a vitrimer-like bond exchangeable matrix
DYNAMIC COVALENT CHEMISTRY CROSS-LINK DENSITY MECHANICAL-PROPERTIES POLYMER NANOCOMPOSITES
2023/11/30
We demonstrate the preparation and unique properties of composite vitrimer-like materials containing silica nanoparticles (SNPs). The matrix is composed of polyacrylate-based polymers crosslinked via ...
Effects of concentration variation on the physical properties of alginate-based substrates and cell behavior in culture
Alginate Cell encapsulation Gelatin
2023/3/1
Nowadays alginate capsules exhibit good biocompatibility and high permeability for nutrients and metabolic wastes making them appealing biomaterial for therapeutic cell encapsulation. Further study of...
最近，中国科学院物理研究所/北京凝聚态物理国家研究中心的罗会仟(第六批会员、2020年度优秀会员)副研究员团队与北京大学量子材料科学中心的李源副教授团队、法国巴黎萨克雷大学里昂·布里渊实验室Philippe Bourges和Yvan Sidis教授、澳大利亚中子散射中心Sergey Danilkin等科学家开展国际合作，利用极化非弹性中子散射研究，确立了铁基超导材料在超导态下自旋涨落的普遍择优取向...
Refutation and Redesign of a Physical Model of TERO-based TRNGs and PUFs
transient effect ring oscillator true random number generator physically unclonable function
2019/7/15
In an article from CHES 2015, which appears in extended form in the Journal of Cryptology in 2019, Bernard, Haddad, Fischer, and Nicolai modeled the physical behavior of a transient effect ring oscill...
Code Constructions for Physical Unclonable Functions and Biometric Secrecy Systems
Information theoretic security key agreement physical unclonable functions
2019/7/8
The two-terminal key agreement problem with biometric or physical identifiers is considered. Two linear code constructions based on Wyner-Ziv coding are developed. The first construction uses random l...
TO ACHIEVE REAL IMMERSION: THE 3D VIRTUAL AND PHYSICAL RECONSTRUCTION OF CAVE 3 AND CAVE 12 OF YUNGANG GROTTOES
cascade SfM robust detailed MVS 3D printing replica cave
2019/3/1
s the 3D laser scanning and photogrammetry technologies continue to mature, more and more applications founded in numerous areas. The realistic 3D models are mainly adopted for digital display uses, s...
TEDT, a Leakage-Resilient AEAD mode for High (Physical) Security Applications
Authenticated encryption re-keying tweakable block cipher
2019/2/26
We propose TEDT, a new Authenticated Encryption with Associated Data (AEAD) mode leveraging Tweakable Block Ciphers (TBCs). TEDT provides the following features: (i) It offers asymptotically optimal s...
Cryptographic implementations on embedded systems need to be protected against physical attacks. Today, this means that apart from incorporating countermeasures against side-channel analysis, implemen...
Deconstructing the Blockchain to Approach Physical Limits
Blockchains physical limits deconstruction
2018/11/5
Transaction throughput, confirmation latency and confirmation reliability are fundamental performance measures of any blockchain system in addition to its security. In a decentralized setting, these m...
Secure and Reliable Key Agreement with Physical Unclonable Functions
information theory physical unclonable functions transform coding
2018/5/30
Different transforms used in binding a secret key to correlated physical-identifier outputs are compared. Decorrelation efficiency is the metric used to determine transforms that give highly-uncorrela...
A voting scheme with post-quantum security based on physical laws
voting scheme no-key protocol post-quantum security
2018/5/22
Traditional cryptography is under huge threat along of the evolution of quantum information and computing. In this paper, we propose a new post-quantum voting scheme based on physical laws by using en...
UWB with Pulse Reordering: Securing Ranging against Relay and Physical Layer Attacks
secure ranging physical layer security
2017/12/25
Physical layer attacks allow attackers to manipulate (spoof) ranging and positioning. These attacks had real world impact and allowed car thefts, executions of unauthorised payments and manipulation o...