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Five-user quantum virtual local area network with an AlGaAs entangled photon source

Science China(Physics,Mechanics & Astronomy) 2025年第3期68卷 61-73页

作者： Cheng Qian Hongkai tian Xu Jing Yichen Liu Zhe Chen Huiran Luo Yuan Du Xiaodong Zheng Tangsheng Chen Yuechan kong Hua-Lei Yin dong Jiang Bin Niu Liangliang Lu Key Laboratory of State Manipulation and Advanced Materials in Provincial Universities School of Physical Science and TechnologyNanjing Normal UniversityNanjing210023China School of Internet Anhui UniversityHefei230039China National Key Laboratory of Solid-State Microwave Devices and Circuits Nanjing Chip Valley Industrial Technology InstituteNanjing Electronic Devices InstituteNanjing210016China Research Center for Quantum Optics and Quantum Communication School of ScienceQingdao University of TechnologyQingdao266520China Department of Physics and Beijing Key Laboratory of Opto-electronic Functional Materials and Micro-nano Devices Key Laboratory of Quantum State Construction and Manipulation(Ministry of Education)Renmin University of ChinaBeijing100872China Beijing Academy of Quantum Information Sciences Beijing100193China National Engineering Research Center of Agro-Ecological Big Data Analysis and Application Anhui UniversityHefei230601China National Laboratory of Solid-State Microstructures and School of Physics Nanjing UniversityNanjing210093China Hefei National Laboratory Hefei230088China

The promotion of quantum network applications demands the scalable connection of quantum *** is preferable to set up multiple logical networks coexisting on a single physical network infrastructure to accommodate a larger number of *** we present a quantum virtual network architecture that offers this level of scalability,without being constrained to a fixed physical-layer network relying solely on passive multiplexing *** architecture can be understood as arising from the superposition of a fully connected entanglement distribution network and port-based virtual local area network,which group multiusers by access *** terms of hardware,we leverage a semiconductor chip with a high figure-of-merit modal overlap to directly generate high-quality polarization entanglement,and a streamlined polarization analysis module,which requires only one single-photon detector for each end *** experimentally perform the BBM92 QKD protocol on the five-user quantum virtual network and demonstrate voice and image encryption on a campus area *** results may provide insights into the realization of large-scale quantum networks with integrated and cost-efficient photonic architecture.

关键词： quantum network quantum entanglement distribution integrated photonics image and voice encryption

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Sulfur atom occupying surface oxygen vacancy to boost the charge transfer and stability for aqueous Bi2O3 electrode

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Journal of Energy Chemistry 2025年第2期101卷 751-759页

作者： Guangmin Yang Jianyan Lin Guanwu Li tian Li dong Wang Weitao Zheng College of Physics Changchun Normal University School of Materials Science and Engineering Northwestern Polytechnical University Key Laboratory of Automobile Materials of MOE School of Materials Science and Engineering and Jilin Provincial International Cooperation Key Laboratory of High-Efficiency Clean Energy Materials Jilin University

Oxygen vacancies（Ov） within metal oxide electrodes can enhance mass/charge transfer dynamics in energy storage ***,construction of surface Ovoften leads to instability in electrode structure and irreversible electrochemical reactions,posing a significant *** overcome these challenges,atomic heterostructures are employed to address the structural instability and enhance the mass/charge transfer dynamics associated with phase conversion mechanism in aqueous electrodes,Herein,we introduce an atomic S-Bi2O3heterostructure(sulfur（S） anchoring on the surface Ovof Bi2O3).The integration of S within Bi2O3lattice matrix triggers a charge imbala nce at the heterointerfaces,ultimately resulting in the creation of a built-in electric field（BEF）.Thus,the BEF attracts OH-ions to be adsorbed onto Bi within the regions of high electron cloud overlap in S-Bi2O3,facilitating highly efficient charge ***,the anchored S plays a pivotal role in preserving structural integrity,thus effectively stabilizing the phase conversion reaction of *** a result,the S-Bi2O3electrode achieves72.3 mA h g-1at 10 A g-1as well as high-capacity retention of 81.9% after 1600 *** innovative SBi2O3design presents a groundbreaking approach for fabricating electrodes that exhibit efficient and stable mass and charge transfer ***,it enhances our understanding of the underlying reaction mechanism within energy storage electrodes.

关键词： Anchoring effect Atomic heterostructure Charge/mass transfer Oxygen vavancy Structural integrity

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A C-type lectin with dual carbohydrate recognition domains functions in innate immune response in Asian corn borer,Ostrinia furnacalis

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Insect Science 2025年第1期32卷 172-192页

作者： Er-Tao Li Jia-Yue Ji Wei-Jie kong dong-Xu Shen Cai Li Chun-Ju An Deparment of Entomology College of Plant ProtectionChina Agricultural UniversityBejingChina Pomology Institute Shanxi Agricultural UniversityJinzhongShanxi ProvinceChina Jiangsu Key Laboratory of Sericultural Biology and Biotechnology School of BiotechnologyJiangsu University of Science and TechnologyZhenjiangJiangsu ProvinceChina

C-type lectins(CTLs)act as pattern recognition receptors(PRRs)to initiate the innate immune response in insects.A CTL with dual carbohydrate recognition domains(CRDs)(named immulectin-4[IML-4])was selected from the Ostrinia furnacalis transcriptome dataset for functional *** cloned the full-length complementary DNA of *** IML-4(OfIML-4).It encodes a 328-residue protein with a Glu-Pro-Asn(EPN)and Gln-Pro-Asp(QPD)motifs in 2 CRDs,***-4 messenger RNA levels increased significantly upon the bacterial and fungal *** OfIML-4(rIML-4)and its individual CRDs(rCRD1 and rCRD2)exhibited the binding ability to various microorganisms including Escherichia coli,Micrococcus luteus,Pichia pastoris,and Beauveria bassiana,and the cell wall components including lipopolysaccharide from ***,peptidoglycan from *** or Bacillus subtilis,and curdlan from Alcaligenes *** binding further induced the agglutination of ***,***,and *** in the presence of calcium,the phagocytosis of Staphylococcus aureus by the hemocytes,in vitro encapsulation and melanization of nickel-nitrilotriacetic acid beads,and a significant increase in phenoloxidase activity of *** addition,rIML-4 significantly enhanced the phagocytosis,nodulation,and resistance of *** to *** together,our results suggest that OfIML-4 potentially works as a PRR to recognize the invading microorganisms,and functions in the innate immune response in ***.

关键词： cellular immunity C-type lectin humoral immunity immulectin Ostrinia furnacalis pattern recognition receptor(PRR)

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Mechanisms and Efficacy of Chinese Herbal Medicines in Benign Prostatic Hyperplasia

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Chinese Journal of Integrative Medicine 2025年第1期31卷 73-82页

作者： WANG Fu MA dong-yue YANG Jiu-tian LYU dong-fang GAO Qing-he LI Chun-lei ZHONG Chong-fu Department of Andrology Xiyuan Hospital of China Academy of Chinese Medical SciencesBeijing100091China Graduate School Beijing University of Chinese MedicineBeijing100029China Department of Andrology The Affiliated Hospital of Shandong University of Traditional Chinese MedicineJinan250014China Faculty of Medicine Linyi UniversityLinyiShandong Province276000China

Benign prostatic hyperplasia(BPH) is one of the most common diseases in elderly men, the incidence of which gradually increases with age and leads to lower urinary tract symptoms(LUTS), which seriously affects the quality of life of patients. Chinese herbal medicines(CHMs) are widely used for the treatment of BPH in China and some other countries. To explore the molecular mechanisms of CHMs for BPH, we conducted a review based on peer-reviewed English-language publications in Pub Med and Web of Science databases from inception to December 31, 2023. This article primarily reviewed 32 papers on the use of CHMs and its active compounds in the treatment of BPH, covering animal and cell experiments, and identified relevant mechanisms of action. The results suggest that the mechanisms of action of CHMs in treating BPH may involve the regulation of sex hormones,downregulation of cell growth factors, anti-inflammatory and antioxidative effects, inhibition of cell proliferation, and promotion of apoptosis. CHMs also exhibit α-blocker-like effects, with the potential to relax urethral smooth muscle and alleviate LUTS. Additionally, we also reviewed 4 clinical trials and meta-analyses of CHMs for the treatment of BPH patients, which provided initial evidence of the safety and effectiveness of CHMs treatment. CHMs treatment for BPH shows advantages as a multi-component, multi-target, and multi-pathway therapy, which can mitigate the severity of the disease, improve LUTS, and may become a reliable treatment option in the future.

关键词： herbal treatment promotion

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A low redox potential and long life organic anode material for sodium-ion batteries

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Journal of Energy Chemistry 2025年第1期100卷 557-564页

作者： Zhi Li Yang Wei Kang Zhou Xin Huang Xing Zhou Jie Xu Taoyi kong Junwei Lucas Bao Xiaoli dong Yonggang Wang Department of Chemistry and Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials Institute of New EnergyCollaborative Innovation Center of Chemistry for Energy Materials(iChEM)Fudan UniversityShanghai 200433China Department of Chemistry Boston CollegeChestnut HillMA 02467USA School of Materials Science and Engineering Anhui University of TechnologyMa’anshan 243002AnhuiChina

Sodium-ion batteries (SIBs) with organic electrodes are an emerging research direction due to the sustainability of organic materials based on elements like C,H,O,and sodium ***,organic electrode materials for SIBs are mainly used as cathodes because of their relatively high redox potentials(>1 V).Organic electrodes with low redox potential that can be used as anode are ***,a novel organic anode material (tetrasodium 1,4,5,8-naphthalenetetracarboxylate,Na_(4)TDC) has been developed with low redox potential (<0.7 V) and excellent cyclic *** three-sodium storage mechanism was demonstrated with various in-situ/ex-situ spectroscopy and theoretical calculations,showing a high capacity of 208 mAh/g and an average decay rate of merely 0.022%per ***,the Na_(4)TDC-hard carbon composite can further acquire improved capacity and cycling stability for 1200 cycles even with a high mass loading of up to 20 mg cm^(-2).By pairing with a thick Na_(3)V_(2)(PO_(4))_(3)cathode (20.6 mg cm^(-2)),the as-fabricated full cell exhibited high operating voltage (2.8 V),excellent rate performance and cycling stability with a high capacity retention of 88.7% after 200 cycles,well highlighting the Na_(4)TDC anode material for SIBs.

关键词： Organic anode material Low redox potential Composite anode Sodium-ion batteries

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Merging polymers of intrinsic microporosity and porous carbon-based zinc oxide composites in novel mixed matrix membranes for efficient gas separation

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Green Energy & Environment 2025年第1期10卷 203-213页

作者： Muning Chen Jiemei Zhou Jing Ma Weigang Zheng Guanying dong Xin Li Zhihong tian Yatao Zhang Jing Wang Yong Wang School of Chemical Engineering Zhengzhou UniversityZhengzhou450001HenanChina State Key Laboratory of Materials-Oriented Chemical Engineering and College of Chemical Engineering Nanjing Tech UniversityNanjing211816JiangsuChina Singapore Membrane Technology Centre Nanyang Environment and Water Research InstituteNanyang Technological UniversitySingapore637141Singapore Engineering Research Center for Nanomaterials Henan UniversityKaifeng475004HenanChina State Key Laboratory of Coking Coal Resources Green Exploitation Zhengzhou UniversityZhengzhou 450001China School of Energy and Environment Southeast UniversityNanjing210096JiangsuChina

Mixed matrix membranes(MMMs)have demonstrated significant promise in energy-intensive gas separations by amalgamating the unique properties of fillers with the facile processability of ***,achieving a simultaneous enhancement of permeability and selectivity remains a formidable challenge,due to the difficulty of achieving an optimal match between polymers and *** this study,we incorporate a porous carbon-based zinc oxide composite(C@ZnO)into high-permeability polymers of intrinsic microporosity(PIMs)to fabricate *** dipole–dipole interaction between C@ZnO and PIMs ensures their exceptional compatibility,mitigating the formation of non-selective voids in the resulting ***,C@ZnO with abundant interconnected pores can provide additional low-resistance pathways for gas transport in *** a result,the CO_(2) permeability of the optimized C@ZnO/PIM-1 MMMs is elevated to 13,215 barrer,while the CO_(2)/N_(2) and CO_(2)/CH_(4) selectivity reached 21.5 and 14.4,respectively,substantially surpassing the 2008 Robeson upper ***,molecular simulation results further corroborate that the augmented membrane gas selectivity is attributed to the superior CO_(2) affinity of C@*** summary,we believe that this work not only expands the application of MMMs for gas separation but also heralds a paradigm shift in the application of porous carbon materials.

关键词： Mixed matrix membranes Polymers of intrinsic microporosity CO_(2)separation Porous carbon materials

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Hawking radiation and Page curve of regular black holes

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Chinese Physics B 2025年第2期34卷 178-187页

作者： Chen-Yang dong Li-Jun tian Department of Physics Shanghai UniversityShanghai 200444China

We discuss the information paradox and its implications for regular black holes. Our primary focus is on Page curve using the island treatment and analyzing relevant parameters like Page time and scrambling time. Calculations without considering the island show that the entanglement entropy increases linearly and continues to infinity. When we consider the generalized entropy, we find that the island extends just beyond the horizon, leading to a constant entanglement ***, we find that in the early stages, the island never forms, regardless of the charge and mass configuration of the black hole.

关键词： black holes AdS/CFT correspondence Page curve

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Last digit tendency: Lucky numbers and psychological rounding in mobile transactions

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Fundamental Research 2025年第1期5卷 370-378页

作者： Wang, Hai Lu, tian Zhang, Yingjie Wu, Yue Sun, Yiheng dong, Jingran Huang, Wen School of Computing and Information Systems Singapore Management University 178902 Singapore W. P. Carey School of Business Arizona State University Tempe 85287 AZ United States Guanghua School of Management Peking University Beijing 100871 China Tencent Weixin Group Shenzhen 518054 China

The distribution of digits in numbers obtained from different sources reveals interesting patterns. The well-known Benford's law states that the first digits in many real-life numerical data sets have an asymmetric, logarithmic distribution in which small digits are more common;this asymmetry diminishes for subsequent digits, and the last digit tends to be uniformly distributed. In this paper, we investigate the digit distribution of numbers in a large mobile transaction data set with 835 million mobile transactions and payments made by approximately 460,000 users in more than 300 cities. Although the first digits of the numbers in these mobile transactions follow Benford's law, the last digit has a strong tendency to be a lucky number or be influenced by psychological rounding. This lucky number tendency is more significant in transactions that are more strongly connected to social interactions, such as money sent as gifts or as “red envelopes” (a traditional method of gift-giving during Chinese holidays), and in transactions by individuals with potentially greater emotional needs, such as during COVID-19 outbreaks and natural disasters. This psychological rounding tendency is more common in online e-commerce payments, in-store purchases, and money transfers between individuals. These findings are key for understanding the last digit tendency and its psychological and emotional mechanisms, which could be used as an indicator of public sentiment or in methods of detecting fraudulent business activity. © 2023

关键词： Difference-in-differences Last digit Lucky number Mobile transaction Psychological rounding

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Single-atom“surgery”on chiral all-dialkynyl-protected superatomic silver nanoclusters

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Science Bulletin 2025年第3期70卷 365-372页

作者： Chengkai Zhang Wei-Dan Si Wei-dong tian Wan-Jun Xiao Zhi-Yong Gao Zhi Wang Chen-Ho Tung Di Sun School of Chemistry and Chemical Engineering State Key Laboratory of Crystal MaterialsShandong UniversityJinan 250100China School of Chemistry and Chemical Engineering Henan Normal UniversityXinxiang 453007China

The manipulation of single atom within the metallic kernel of nanoclusters has attracted considerable attention due to its potentials to elucidate kernel-based structure-property relationships at the single-atom ***,new-designed chiral bialkynyl ligands,have been chosen as protective agents to isolate two pairs of 8-electron superatomic silver nanoclusters,R/S-Ag39 and R/S-Ag40.X-ray diffraction analysis reveals that Ag39 and Ag40 with the same number of chiral ligands,possess a closely analogous silver skeleton but a single-atomic *** incorporation of an extra Ag40th atom into Ag40 evokes two significant changes of structure and property compared to Ag39:(i)a reduction in the symmetry of the entire nanocluster,resulting in an enhancement of kernel-related asymmetry g-factor;(ii)a regulation of the transitions(1P→1D and Ligand(π)→1D)of excited state,leading to a second near-infrared(NIR-II,1000-1700 nm)phosphorescent emission red-shift from 1088 to 1150 *** work not only provides vital insights into the relationship between structures and ground/excited states chiroptical activities at the single-atom level,but also presents bialkynyl as a promising stabilizing agent for building superatomic metal nanoclusters.

关键词： Single atom manipulation Chiral bialkynyl ligands Superatomic silver nanoclusters NIR-Il phosphorescence

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Alkaline leaching mechanism of MSWI bottom ash:the pivotal role of Si(Al)chemical bonding environments

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Science China(Technological Sciences) 2025年第2期68卷 73-85页

作者： Ningning SHAO Zekun JIAO Weipeng FENG Yu JIN Fanlong kong Zhijun dong Zuotai ZHANG Institute of Technology for Marine Civil Engineering Shenzhen Institute of Information Technology(SZIIT)Shenzhen 518172China School of Environmental Science and Engineering Key Laboratory of Municipal Solid Waste Recycling Technology and Management of Shenzhen CitySouthern University of Science and Technology(SUSTech)Shenzhen 518055China Guizhou NASH Ecological Technology Co. LTDGuiyang 550016China

Municipal solid waste incineration bottom ash(MSWIBA)is a complex assemblage of aluminosilicate materials encompassing diverse solid ***,its complexity poses great challenges to their resource *** the sake of the alkali activation use of MSWIBA,this work focused on the characterizations and alkaline leaching experiments of various classified MSWIBA after *** the different categories of MSWIBA,waste glass(BA-G)and other unidentified slags(BA-O)were identified as potential precursors for alkali activation *** alkaline leaching experiments proved that alkaline concentration,reaction temperature,reaction time,and raw material classification influenced the leaching process and *** these,the Si/Al chemical bonding environments from the material type played a pivotal *** the materials had Q_(n)(n>2)as the primary bonding structure,steric hindrance by the chain frameworks affected the alkali dissolution process,resulting in gradual disintegration from the outer layers *** the materials dominated by Q1 frameworks,OH-could penetrate the frameworks,leading to their rapid depolymerization and outward ***,the Si/Al bonding environment played a crucial role in alkaline dissolution,providing theoretical guidance for classifying the alkali-activation utilization of MSWIBA and other aluminosilicate solid wastes.

关键词： municipal solid waste incineration bottom ash classification alkaline leaching chemical bonding environments mechanism

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