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Countermeasure against blinding attack for single-photon detectors in quantum key distribution

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Journal of Semiconductors 2024年第4期45卷 76-81页

作者： Lianjun Jiang Dongdong Li Yuqiang Fang Meisheng Zhao Ming Liu Zhilin Xie Yukang Zhao Yanlin tang Wei Jiang Houlin Fang Rui Ma Lei cheng Weifeng Yang Songtao Han Shibiao tang QuantumCTek Co. Ltd.Hefei 230088China Shandong Institute of Quantum Science and Technology Co. Ltd.Jinan 250101China QuantumCTek(Beijing)Co. Ltd.Beijing 100193China School of Cyber Science and Technology University of Science and Technology of ChinaHefei 230027China Anhui Armed Police Force Hefei 230026China School of Electrical Engineering and Automation Anhui UniversityHefei 230601China

Quantum key distribution(QKD),rooted in quantum mechanics,offers information-theoretic ***,practi-cal systems open security threats due to imperfections,notably bright-light blinding attacks targeting single-photon ***,we propose a concise,robust defense strategy for protecting single-photon detectors in QKD systems against blinding *** strategy uses a dual approach:detecting the bias current of the avalanche photodiode(APD)to defend against con-tinuous-wave blinding attacks,and monitoring the avalanche amplitude to protect against pulsed blinding *** integrat-ing these two branches,the proposed solution effectively identifies and mitigates a wide range of bright light injection attempts,significantly enhancing the resilience of QKD systems against various bright-light blinding *** method forti-fies the safeguards of quantum communications and offers a crucial contribution to the field of quantum information security.

关键词： quantum key distribution single photon detector blinding attack pulsed blinding attack countermeasure quan-tum communication

Improved genome annotation of Brassica oleracea highlights the importance of alternative splicing

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Horticultural Plant Journal 2024年第4期10卷 961-970页

作者： Yinqing Yang Lei Zhang Qi tang Lingkui Zhang Xing Li Shumin Chen Kang Zhang Ying Li Xilin Hou Feng cheng State Key Laboratory of Crop Genetics and Germplasm Enhancement College of HorticultureNanjing Agricultural UniversityNanjing 210095China State Key Laboratory of Vegetable Biobreeding Institute of Vegetables and FlowersChinese Academy of Agricultural SciencesKey Laboratory of Biology and Genetic Improvement of Horticultural Crops of the Ministry of Agriculture and Rural AffairsSino-Dutch Joint Laboratory of Horticultural GenomicsBeijing 100081China

Brassica oleracea has been developed into many important crops,including cabbage,kale,cauliflower,broccoli and so *** genome and gene annotation of cabbage(cultivar JZS),a representative morphotype of ***,has been widely used as a common reference in biological *** its genome assembly has been updated twice,the current gene annotation still lacks information on untranslated regions(UTRs)and alternative splicing(AS).Here,we constructed a high-quality gene annotation(JZSv3)using a full-length transcriptome acquired by nanopore sequencing,yielding a total of 59452 genes and 75684 ***,we re-analyzed the previously reported transcriptome data related to the development of different tissues and cold response using JZSv3 as a reference,and found that 3843 out of 11908 differentially expressed genes(DEGs)underwent AS during the development of different tissues and 309 out of 903 cold-related genes underwent AS in response to cold ***,we also identified many AS genes,including BolLHCB5 and BolHSP70,that displayed distinct expression patterns within variant transcripts of the same gene,highlighting the importance of JZSv3 as a pivotal reference for AS ***,JZSv3 provides a valuable resource for exploring gene function,especially for obtaining a deeper understanding of AS regulation mechanisms.

关键词： Brassica oleracea Oxford nanopore technologies Gene annotation Alternative splicing

Constructing multifunctional deep-blue emitters with weak charge transfer excited state for high-performance non-doped blue OLEDs and single-emissive-layer hybrid white OLEDs

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Chinese Chemical Letters 2024年第10期35卷 175-179页

作者： Hui Liu Xiangyang tang Zhuang cheng Yin Hu Yan Yan Yangze Xu Zihan Su Futong Liu Ping Lu State Key Laboratory of Supramolecular Structure and Materials Department of Chemistry Jilin UniversityChangchun 130012China Sichuan Province Key Laboratory of Information Materials and Devices Application College of Optoelectronic EngineeringChengdu University of Information TechnologyChengdu 610225China

Deep-blue emitter with high photoluminescence efficiency(PLQY)is highly desirable in ultra-high definition displays and white solid-state *** this work,two deep-blue phenanthro[9,10]imidazole derivatives,PPIS and PPPIS,with hot exciton property are successfully *** to PPIS,the embedded phenyl bridge in PPPIS is able to effectively increase the overlap of frontier molecular *** consequence,PPPIS shows higher oscillator strength and significantly enhanced *** also achieves better electroluminescence performance in non-doped device,showing deep-blue emission with Commission International de l’Eclairage(CIE)coordinates of(0.153,0.087)and the maximum external quantum efficiency(EQEmax)of 8.5%with minuscule efficiency ***,when PPPIS serves as the host for phosphor PO-01,high-efficiency orange phosphorescent device is obtained with high EQEmax of 29.8%and negligible efficiency roll-off at 1000 cd/m^(2).Further,efficient single-emissive-layer white device is assembled via utilizing PPPIS as a blue emitter as well as the host for PO-01 simultaneously,providing warm-white emission with CIE coordinates of(0.429,0.433)at 1000 cd/m^(2),the forward-viewing EQEmaxof 27.2%and maximum power efficiency(PEmax)of 80.1 lm/W,*** studies can establish a viable design strategy for deep-blue emitters in high-performance non-doped blue OLEDs and hybrid WOLEDs.

关键词： Deep-blue emitters Phenanthroimidazole Hot exciton Host Single-emissive-layer white device

Resurvey After 20 Years:Updating the Distribution,Population,and Potential Threats of the Chinting Alpine Toad

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Asian Herpetological Research 2024年第2期15卷 73-81页

作者： Yuezheng FAN Qingfeng CHEN Yuwen cheng Kaicheng tang Ling SUN Yonghao HUANG Lan ZHAO Dong LIANG Xiaoyi WANG Junhua HU chengdu Institute of Biology Chinese Academy of SciencesChengdu 610041SichuanChina University of Chinese Academy of Sciences Beijing 100049China The State-owned Forest Farm of Hongya County Meishan 620360SichuanChina Sichuan Mt.Emei Forest Ecosystem National Observation and Research Station Leshan 614201SichuanChina

Considering the increased anthropogenic impacts,species with a limited range and low detectability often lack fundamental information and conservation actions,placing them at a high risk of *** Chinting alpine toad Scutiger chintingensis is a rare mountain amphibian endemic to the eastern margin of the Qinghai-Xizang Plateau in *** its whole distribution range,only three known populations(Wolong,Emei,and Wawu)exist and no recent population status report has been documented for this species over the past two *** 2020 to 2023,we investigated the species distribution,and assessed the risk factors for the main *** recorded this species in all distribution areas,and updated a new distribution site with a lower elevation *** relative population density was 0.024±0.012 ind./m^(2)on Mount Emei,whereas only 0.008±0.017 ind./m^(2)on Mount *** significant difference was observed in the number of individuals between the two populations;however,the relative population density was significantly *** and waste discharge resulting from the construction of scenic areas,as well as disturbances from tourism,were the primary anthropogenic factors that influenced the survival of this *** results provide the updated information on the distribution and population status of the Chinting alpine toad,and suggest that unrecorded populations,as well as a wider elevation range,may exist for this *** findings emphasise the importance of timely updates of species distribution and population information and offer a basis for the future conservation of endangered amphibians.

关键词： distribution endemic amphibian population size Scutiger chintingensis threat factor

An economic way to achieve all-weather CO2 reduction

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National Science Review 2024年第3期11卷 46-47页

作者： Junwang tang Department of Chemical Engineering University College London

Utilising solar power to convert carbon dioxide（CO2） into hydrocarbon fuels presents an eco-friendly method to address dependence on fossil fuels and contribute to a net-zero CO2emission goal[1,2].

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Enhancing cartilage regeneration and repair through bioactive and biomechanical modification of 3D acellular dermal matrix

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Regenerative Biomaterials 2024年第3期3卷 105-121页

作者： Wei Gao Tan cheng Zhengya tang Wenqiang Zhang Yong Xui Min Han Guangdong Zhou Chunsheng Tao Ning Xu Huitang Xia Weijie Sun Qingdao Medical College of Qingdao University Qingdao266071China Department of Infectious Diseases The First Affliated Hospital of Anhui Medical UniversityShushanHefei230022China Department of Orthopaedic Surgery Shanghai Sixth People's Hospital Affliated to Shanghai jiao Tong University School of MedicineShanghai200025China Department of Orthopedic Surgery Shanghai Eighth People's HospitalShanghai200235China Department of PlasticSurgery&Jinan ClinicalResearch Center for Tissue Engineering Skin Regeneration and Wound Repair The First Affliated Hospital of Shandong First Medical UniversityJinan266299China Department of Orthopaedics Ninety-seventh Hospital of the Chinese People's Liberation Army NavyQingdao266071China Department of Orthopaedics The First Affliated Hospital of Shandong First Medical UniversityJinan266299China Department of Plastic surgery Shanghai Key Laboratory of Tissue EngineeringShanghai Ninth People's HospitalShanghai jiao Tong University School of MedicineShanghai200023China Department of Thoracic Surgery Shanghai Children's HospitalShanghai Jiao Tong University School of MedicineShaghai200040China Department of Thoracic Surgery Shanghai Pulmonary HospitalSchool of MedicineTongji UniversityShanghai200433China

Acellular dermal matrix(ADM)shows promise for cartilage regeneration and ***,an effective decellularization technique that removes cellular components while preserving the extracellular matrix,the transformation of 2D-ADM into a suitable 3D scaffold with porosity and the enhancement of bioactive and biomechanical properties in the 3D-ADM scaffold are yet to be fully *** this study,we present an innovative decellularization method involving 0.125%trypsin and 0.5%SDS and a 1%Triton X-100 solution for preparing ADM and converting 2D-ADM into 3D-ADM *** scaffolds exhibit favorable physicochemical properties,exceptional biocompatibility and significant potential for driving cartilage regeneration in vitro and in *** further enhance the cartilage regeneration potential of 3D-ADM *** incorporated porcine-derived small intestinal submucosa(SIS)for bioactivity and calcium sulfate hemihydrate(CSH)for biomechanical *** resulting 3D-ADM+SIS scaffolds displayed heightened biological activity,while the 3D-ADM+CSH scaffolds notably bolstered biomechanical *** scaffold types showed promise for cartilage regeneration and repair in vitro and in vivo,with considerable improvements observed in repairing cartilage defects within a rabbit articular cartilage *** summary,this research introduces a versatile 3D-ADM scaffold with customizable bioactive and biomechanical properties,poised to revolutionize the field of cartilageregeneration.

关键词： acellular dermal matrix three-dimensional scaffolds cartilage regeneration small intestinal submucosa calcium sulfate hemihydrate

UAV-assisted data collection for wireless sensor networks with dynamic working modes

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Digital Communications and Networks 2024年第3期10卷 805-812页

作者： Jie Chen Jianhua tang Shien-Ming Wu School of Intelligent Engineering South China University of TechnologyGuangzhou511442China

Wireless Sensor Network(WSN)is a cornerstone of Internet of Things(IoT)and has rich application *** this work,we consider a heterogeneous WSN whose sensor nodes have a diversity in their Residual Energy(RE).In this work,to protect the sensor nodes with low RE,we investigate dynamic working modes for sensor nodes which are determined by their RE and an introduced energy ***,we employ an Unmanned Aerial Vehicle(UAV)to collect the stored data from the heterogeneous *** aim to jointly optimize the cluster head selection,energy threshold and sensor nodes’working mode to minimize the weighted sum of energy con-sumption from the WSN and UAV,subject to the data collection rate *** this end,we propose an efficient search method to search for an optimal energy threshold,and develop a penalty-based successive convex approximation algorithm to select the cluster *** we present a low-complexity iterative approach to solve the joint optimization problem and discuss the implementation *** results justify that our proposed approach is able to reduce the energy consumption of the sensor nodes with low RE significantly and also saves energy for the whole WSN.

关键词： Unmanned aerial vehicle Wireless sensor networks Cluster heads Dynamic working modes

Highly effective design of high GFA alloys with different metalbased and various components by machine learning

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Science China(Technological Sciences) 2024年第5期67卷 1431-1442页

作者： tang YiChuan HE YiFan FAN ZhuoQun WANG ZhongQi tang chengYing Guangxi Key Laboratory for Informational Materials School of Materials Science and EngineeringGuilin University of Electronic TechnologyGuilin541004China

The glass-forming ability(GFA)is of great significance for the development of novel functional metal-based metallic *** this study,seven popular machine learning(ML)algorithms were employed to design novel M-based(M=Fe,Co,Ni,Ti,Zr,and rare earth metal(RE))and X-component(X=2,3,4,5,6,and>6)alloys with excellent GFA.A GFA containing 6957 data points with structural analysis was *** engineering was used to analyze the importance and correlation of *** algorithms were utilized for GFA prediction,revealing that Xtreme Gradient Boosting Trees exhibited the strongest predictive capability,achieving a high accuracy of 94.0%,a true positive rate of 97.6%,and a root mean squared error of 0.3705 across the entire ***,the GFA of ternary to hexahydroxy alloys based on Fe,Co,Ni,Zr,Ti,and Y was predicted using all possible compositions generated through ***,a series of alloys with good GFA was successfully designed and *** present work suggests that the proposed ML method can be utilized to design novel multiple-M-based amorphous alloys with high GFA.

关键词： machine learning amorphous alloy feature engineering materials design glass forming ability

Isolation,identification,and evaluation of intestinal bacteria in Macrobrachium rosenbergii

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Journal of Oceanology and Limnology 2024年第5期42卷 1710-1721页

作者： Xiuxin ZHAO Jinping LUO Peimin LIU Hao HUANG Zhenheng cheng Xin PENG Qiongying tang Guoliang YANG Shaokui YI Quanxin GAO Zhejiang Provincial Key Laboratory of Aquatic Resources Conservation and Development Key Laboratory of Aquatic Animal Genetic Breeding and NutritionChinese Academy of Fishery SciencesCollege of Life ScienceHuzhou UniversityHuzhou 313000China Jiangsu Shufeng Prawn Breeding Co.Ltd. Gaoyou 225654China

Probiotics are live microbial food supplements that have been shown to have beneficial effects on animal *** probiotic bacteria have long been used for their proposed health promoting properties and have become a hot research topic in growth improvement in *** endogenous probiotic bacteria from intestines of Macrobrachium rosenbergii(giant river prawn)was explored for their probiotic potential,from which 367 bacterial strains were isolated from the intestine of *** 16 S rDNA sequence analysis,234 isolates were identified as Lactococcus garvieae,which accounted for 63.76%of the total number of culturable intestinal bacteria,suggesting that this bacterium was the main component of the ***,to reveal the probiotic properties of ***,this isolated bacterial strain was characterized morphologically,physiologically,and *** enzyme production capacity,bacteriostatic activity,and resistance to acid,high temperature,and pH,were *** vitro experiments showed that the ***(No.C 6 a 2)had a fast growth rate and entered the logarithmic phase ***,it had characteristics of acid-production and resistance,enzyme-producing capacity,and strong antibacterial activity against pathogenic Staphylococc us aureus,Aeromonas hydrophila,and Aeromonas ***,it lacked the ability to tolerate high *** results provide novel data to deepen our understanding of the intestinal bacteria structure of *** and valuable information for probiotic screening and the application for ***.

关键词： Macrobrachium rosenbergii intestinal bacteria probiotic Lactococcus garvieae