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Fluorescence Behavior and Emission Mechanisms of Poly(ethylene succinamide)and Its Applications in Fe^(3+)Detection and data encryption

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Chinese Journal of Polymer Science 2023年第1期41卷 129-142页

作者： Xubao Jiang Qinghui Wang Bin Li Shusheng Li Xiang Zheng Kong College of Chemistry and Chemical Engineering University of JinanJinan250022China Québec Center for Functional Materials Department of ChemistryUniversitéde SherbrookeSherbrookeQCJ1K2R1Canada

Conventional fluorescent polymers are featured by large conjugation *** contrast,a new class of fluorescent polymers without any conjugations is gaining great interest in immerging *** is a typical member of the conjugation-free fluorescent ***,studies on their electrophotonic property are hardly available,although widely used in many ***,poly(ethylene succinamide),PA24,is synthesized;its chemical structure confirmed through multiple techniques(NMR,FTIR,XRD,etc.).PA24 is highly emissive as solid and in its solution at room temperature,and the emission is excitation and concentration dependant,with an unusual blue shift under excitation from 270 nm to 320 nm,a hardly observed phenomenon for all fluorescent *** similar emission behavior is also observed under cryogenic condition at 77 *** emission behavior is thoroughly studied;the ephemeral emission blue-shift is interpreted through Förster resonance energy *** on its structures,the emission mechanism is ascribed to cluster-triggered emission,elucidated from multianalyses(NMR,FTIR,UV absorbance and DLS).In presence of a dozen of competitive metal ions,PA24 emission at 450 nm is selectively quenched by Fe^(3+).PA24 is used as probe for Fe^(3+)and H_(2)O_(2) detections and in data ***,this work provides a novel face of polyamide with great potential applications as sensors in different fields.

关键词： Polyamide Fluorescent emission Cluster formation Ferric ion detection data encryption

Time Parameter Based Low-Energy data encryption Method for Mobile Applications

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Computer Modeling in Engineering & Sciences 2024年第9期140卷 2779-2794页

作者： Li-Woei Chen Kun-Lin Tsai Fang-Yie Leu Wen-Cheng Jiang Shih-Ting Tseng Department of Computer and Information Sciences Chinese Military AcademyKaohsiung830TaiwanChina Department of Electrical Engineering Tunghai UniversityTaichung407TaiwanChina Department of Computer Science Tunghai UniversityTaichung407TaiwanChina

Various mobile devices and applications are now used in daily *** devices require high-speed data processing,low energy consumption,low communication latency,and secure data transmission,especially in 5G and 6G mobile ***-security cryptography guarantees that essential data can be transmitted securely;however,it increases energy consumption and reduces data processing ***,this study proposes a low-energy data encryption(LEDE)algorithm based on the Advanced encryption Standard(AES)for improving data transmission security and reducing the energy consumption of encryption in Internet-of-Things(IoT)*** the proposed LEDE algorithm,the system time parameter is employed to create a dynamic S-Box to replace the static S-Box of *** indicated that six-round LEDE encryption achieves the same security level as 10-round conventional AES *** reduction in encryption time results in the LEDE algorithm having a 67.4%lower energy consumption and 43.9%shorter encryption time than conventional AES;thus,the proposed LEDE algorithm can improve the performance and the energy consumption of IoT edge devices.

关键词： Mobile application security AES data encryption time parameter mobile device

Novel Approach to data encryption Based on Matrix Computations

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Computers, Materials & Continua 2021年第2期66卷 1139-1153页

作者： Rosilah Hassan Selver Pepic Muzafer Saracevic Khaleel Ahmad Milan Tasic Centre for Cyber Security Faculty of Information Science and TechnologyUniversiti Kebangsaan Malaysia43600 UKMBangi SelangorMalaysia Technical Machine School of Professional Studies Radoja Krstića 19Trstenik37240Serbia University of Novi Pazar Dimitrija Tucovića bbNovi Pazar36300Serbia Maulana Azad National Urdu University HyderabadTelangana500032India University of Nis Višegradska 33Niš18106Serbia

In this paper,we provide a new approach to data encryption using generalized *** is based on the implementation of weighted Moore–Penrose inverse A y MNenxmT over the nx8 constant *** square Hermitian positive definite matrix N8x8 p is the *** proposed solution represents a very strong key since the number of different variants of positive definite matrices of order 8 is *** have provided NIST(National Institute of Standards and Technology)quality assurance tests for a random generated Hermitian matrix(a total of 10 different tests and additional analysis with approximate entropy and random digression).In the additional testing of the quality of the random matrix generated,we can conclude that the results of our analysis satisfy the defined strict *** proposed MP encryption method can be applied effectively in the encryption and decryption of images in multi-party *** the experimental part of this paper,we give a comparison of encryption methods between machine learning *** learning algorithms could be compared by achieved results of classification concentrating on *** a comparative analysis,we give results of classifying of advanced encryption standard(AES)algorithm and proposed encryption method based on Moore–Penrose inverse.

关键词： Security data encryption matrix computations cloud computing machine learning

Ultralong Organic Phosphorescence of Triazatruxene Derivatives for Dynamic data encryption and Anti-counterfeiting

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Chinese Journal of Chemistry 2023年第18期41卷 2261-2268页

作者： Baoshuai Liang Wei An Jie Liu Yu Dong Shiyu Feng Weiguo Huang State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhouFujian 350002China Fujian Science and Technology Innovation Laboratory for Optoelectronic Information of China FuzhouFujian 350002China University of Chinese Academy of Sciences 19A Yuquan RoadBeijing 100049China

Comprehensive Summary,Organic luminogens with persistent room temperature phosphorescence(RTP)have drawn tremendous attentions due to their promising potentials in optoelectronic devices,information storage,biological imaging,and *** this work,six triazatruxene-based lumiogens with different peripheral substituents and configurations are synthesized and systematically *** results show that their fluorescence quantum yields in solid states range from 15.73%to 37.58%.Dispersing the luminogens as guest into the host(PPh_(3))could turn on the persistent RTP,where PPh_(3)acts as not only a rigid matrix to suppress the non-radiative transitions of the guest,but also provides energy transfer channels to the *** maximum phosphorescence efficiency and the longest lifetime could reach 29.35%and 0.99 s in co-crystal films of 6-TAT-CN/PPh_(3)and 5-TAT-H/PPh_(3),***,these host-guest co-crystalline films exhibit great potentials in advanced dynamic data encryption and *** work deepens the insight for low cost,halogen-free,and facile fabrication of all-organic persistent RTP materials.

关键词： Room temperature phosphorescence Host-guest systems Energy transfer data encryption Anti-counterfeiting Fluorophores

A means of CD data encryption

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微计算机信息 2005年第2期 198-199页

作者： Yu,jun Yu,Fengquan Jang,Wenzhi Fan,HongdaGraduate Student of Naval Aeronautical Engineering Institute, Yantai, Sandong Province, 264001)(Teaching and researching Department of Navy Aviation College, Huludao, Liaoning Province,125001) (Department of Armament Engineering, NAEI,Yantai, Sandong Province, 264001)

This article introduces the feasibility of CD data encryption based on the conception of CD. It puts forward an available means based on analyzing the encryption of CD data.

关键词： CD data encryption means

Adaptive and Dynamic Mobile Phone data encryption Method

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China Communications 2014年第1期11卷 103-109页

作者： CAO Wanpeng BI Wei China Unicom Research Institute Beijing 100032 China Advanced Manufacture Technology Centre China Academy of Machinery Science and Technology Beijing 100083 China

To enhance the security of user data in the clouds,we present an adaptive and dynamic data encryption method to encrypt user data in the mobile phone before it is ***,the adopted data encryption algorithm is not static and *** each encryption,this algorithm is adaptively and dynamically selected from the algorithm set in the mobile phone encryption *** the mobile phone's character,the detail encryption algorithm selection strategy is confirmed based on the user's mobile phone hardware information,personalization information and a pseudo-random ***,the data is rearranged with a randomly selected start position in the data before being *** start position's randomness makes the mobile phone data encryption ***,the rearranged data is encrypted by the selected algorithm and generated ***,the analysis shows this method possesses the higher security because the more dynamics and randomness are adaptively added into the encryption process.

关键词： data encryption mobile phone cloud storage pseudo-random number

A Study of Real-time data encryption in the Smart Grid Wide Area Measurement System based on Storm

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A Study of Real-time Data Encryption in the Smart Grid Wide ...

Hadoop-based secure storage solution for big data in cloud computing environment

2015 3rd International Conference on Machinery,Materials and Information Technology Applications(ICMMITA 2015)

作者： Shaomin Zhang Jie Sun Baoyi Wang School of Control and Computer Engineering North China Electric Power University

In order to solve the problem of data security in smart grid wide-area measurement system（WAMS）,this paper analyzes the characteristics of the existing data encryption solutions, and combines with the characteristics of massive data as well as high requirement of real time in WAMS, then introduces Storm distributed real-time platform to process real-time encryption of large-scale data. We design WAMS data storage system based on cloud platform, and on top of this system design AES algorithm based on Storm. The algorithm is mainly divided into three steps: data collection, fast parallel data encryption and cloud storage of encrypted results. The procedures are implemented in the Storm predefined programming components. The experimental comparisons verify that the proposed algorithm has the characteristics of low latency and high encryption efficiency.

关键词： wide area measurement system(WAMS) cloud computing Storm data encryption

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Digital Communications and Networks 2024年第1期10卷 227-236页

作者： Shaopeng Guan Conghui Zhang Yilin Wang Wenqing Liu School of Information and Electronic Engineering Shandong Technology and Business UniversityYantai264003China

In order to address the problems of the single encryption algorithm,such as low encryption efficiency and unreliable metadata for static data storage of big data platforms in the cloud computing environment,we propose a Hadoop based big data secure storage ***,in order to disperse the NameNode service from a single server to multiple servers,we combine HDFS federation and HDFS high-availability mechanisms,and use the Zookeeper distributed coordination mechanism to coordinate each node to achieve dual-channel ***,we improve the ECC encryption algorithm for the encryption of ordinary data,and adopt a homomorphic encryption algorithm to encrypt data that needs to be *** accelerate the encryption,we adopt the dualthread encryption ***,the HDFS control module is designed to combine the encryption algorithm with the storage *** results show that the proposed solution solves the problem of a single point of failure of metadata,performs well in terms of metadata reliability,and can realize the fault tolerance of the *** improved encryption algorithm integrates the dual-channel storage mode,and the encryption storage efficiency improves by 27.6% on average.

关键词： Big data security data encryption Hadoop Parallel encrypted storage Zookeeper

Blockchain-Assisted Secure Fine-Grained Searchable encryption for a Cloud-Based Healthcare Cyber-Physical System

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IEEE/CAA Journal of Automatica Sinica 2021年第12期8卷 1877-1890页

作者： Mamta Brij B.Gupta Kuan-Ching Li Victor C.M.Leun Kostas E.Psannis Shingo Yamaguchi IEEE the Department of Computer Engineering National Institute of Technology the Asia University the Macquarie University the Department of Computer Science and Information Engineering Providence University the Computer Science and Software Engineering Shenzhen University the University of British Columbia the Department of Applied Informatics University of Macedonia the Graduate School of Sciences and Technology for Innovation Yamaguchi University

The concept of sharing of personal health data over cloud storage in a healthcare-cyber physical system has become popular in recent times as it improves access *** privacy of health data can only be preserved by keeping it in an encrypted form,but it affects usability and flexibility in terms of effective ***-based searchable encryption(ABSE)has proven its worth by providing fine-grained searching capabilities in the shared cloud ***,it is not practical to apply this scheme to the devices with limited resources and storage capacity because a typical ABSE involves serious *** a healthcare cloud-based cyber-physical system(CCPS),the data is often collected by resource-constraint devices;therefore,here also,we cannot directly apply ABSE *** the proposed work,the inherent computational cost of the ABSE scheme is managed by executing the computationally intensive tasks of a typical ABSE scheme on the blockchain ***,it makes the proposed scheme suitable for online storage and retrieval of personal health data in a typical *** the assistance of blockchain technology,the proposed scheme offers two main ***,it is free from a trusted authority,which makes it genuinely decentralized and free from a single point of ***,it is computationally efficient because the computational load is now distributed among the consensus nodes in the blockchain ***,the task of initializing the system,which is considered the most computationally intensive,and the task of partial search token generation,which is considered as the most frequent operation,is now the responsibility of the consensus *** eliminates the need of the trusted authority and reduces the burden of data users,***,in comparison to existing decentralized fine-grained searchable encryption schemes,the proposed scheme has achieved a significant reduction in storage and computational cost for the secret

关键词： Cloud-based cyber-physical systems(CCPS) data encryption healthcare information search and retrieval keyword search public-key cryptosystems searchable encryption