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Dramatical enhancement of circular dichroism in chiral hybrid perovskites via carboxylic hydrogen bond engineering

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Science China Chemistry 2025年

作者： Hang Li Xinling Li Peng Wang Tingting Zhu Ruiqing Li Huang ye Yaru Geng Hongliang Dai Junhua Luo State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences University of Chinese Academy of Sciences Fujian College University of Chinese Academy of Sciences College of Chemistry Fuzhou University College of Chemistry and Materials Key Laboratory of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of EducationJiangxi Normal University

Chiral hybrid perovskites （CHPs） have been regarded as promising candidates for developing chiroptoelectronics ***,circular dichroism （CD）,as one of the most important characteristics to evaluate the chiroptical activity,remains at a comparatively low level in CHPs compared to other chiral materials,which hinders the successful applications of CHPs in stateof-the-art ***,exploring new methods for enhancing CD in CHPs is urgently needed and remains ***,enhanced CD response has been successfully realized via constructing carboxylic hydrogen bonding in chiralachiral mixed cations perovskites （R/S-PPA）2（ABA）PbBr5（2R/2S）(PPA=1-phenylpropylamine,ABA=4-aminobutyric acid).Compared with the prototype （R/S-PPA）PbBr3（1R/1S）,2R/2S provide intimate connections between organic units and inorganic parts via carboxylic hydrogen bonding N–H···O bridge,contributing new chirality transfer paths.A larger inorganic skeletons’helicity in 2R/2S predicts a high degree of chirality ***,2R/2S exhibit significantly enhanced CD response with an anisotropy factor amplified by an order of ***,bright blue circularly polarized luminescence applications are achieved in 2R/*** work systematically investigates the correlation between CD and hydrogen bonding interaction in CHPs,meanwhile providing a new avenue to develop the application potential of chiral materials in chiroptoelectronics.

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On Resilience Against Cyber-Physical Uncertainties in Distributed Nash Equilibrium Seeking Strategies for Heterogeneous Games

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IEEE/CAA Journal of Automatica Sinica 2025年第1期 138-147页

作者： Maojiao ye IEEE the School of Automation Nanjing University of Science and Technology

This paper designs distributed Nash equilibrium seeking strategies for heterogeneous dynamic cyber-physical *** particular, we are concerned with parametric uncertainties in the control channel of the players. Moreover, the weights on communication links can be compromised by time-varying uncertainties, which can result from possibly malicious attacks,faults and disturbances. To deal with the unavailability of measurement of optimization errors, an output observer is constructed,based on which adaptive laws are designed to compensate for physical uncertainties. With adaptive laws, a new distributed Nash equilibrium seeking strategy is designed by further integrating consensus protocols and gradient search ***, to further accommodate compromised communication weights resulting from cyber-uncertainties, the coupling strengths of the consensus module are designed to be adaptive. As a byproduct, the coupling strengths are independent of any global information. With theoretical investigations, it is proven that the proposed strategies are resilient to these uncertainties and players' actions are convergent to the Nash equilibrium. Simulation examples are given to numerically validate the effectiveness of the proposed strategies.

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Lipid homeostasis and the formation of macrophage-derived foam cells in atherosclerosis

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Protein & Cell 2012年第3期3卷 173-181页

作者： Yuan Yuan Peng Li jing ye Department of Pathology Xijing HospitalFourth Military Medical UniversityXi'an 710032China Tsinghua-Peking Center for Life Sciences School of Life SciencesTsinghua UniversityBeijing 100084China

Atherosclerosis is a chronic,inflammatory disorder characterized by the deposition of excess lipids in the arterial *** formation of macrophage-derived foam cells in a plaque is a hallmark of the development of *** homeostasis,especially cho-lesterol homeostasis,plays a crucial role during the formation of foam ***,lipid droplet-associated proteins,including PAT and CIDE family proteins,have been shown to control the development of athero-sclerosis by regulating the formation,growth,stabiliza-tion and functions of lipid droplets in macrophage-derived foam *** review focuses on the potential mechanisms of formation of macrophage-derived foam cells in atherosclerosis with particular emphasis on the role of lipid homeostasis and lipid droplet-associated *** the process of foam cell for-mation will aid in the future discovery of novel thera-peutic interventions for atherosclerosis.

关键词： macrophage foam cell atherosclerosis cholesterol lipid droplet-associated proteins

Group Decision-Making Model of Renal Cancer Surgery Options Using Entropy Fuzzy Element Aczel-Alsina Weighted Aggregation Operators under the Environment of Fuzzy Multi-Sets

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Computer Modeling in Engineering & Sciences 2022年第3期130卷 1751-1769页

作者： jing Fu Jun ye Liping Xie Department of Urology The First Affiliated HospitalCollege of MedicineZhejiang UniversityHangzhou310003China Department of Urology Shaoxing Second HospitalShaoxing312000China School of Civil and Environmental Engineering Ningbo UniversityNingbo315211China

Since existing selection methods of surgical treatment schemes of renal cancer patients mainly depend on physicians’clinical experience and judgments,the surgical treatment options of renal cancer patients lack their scientifical and reasonable information expression and group decision-making model for renal cancer *** multi-sets(FMSs)have a number of properties,which make them suitable for expressing the uncertain information of medical diagnoses and treatments in group decision-making(GDM)*** choose the most appropriate surgical treatment scheme for a patient with localized renal cell carcinoma(RCC)(T1 stage kidney tumor),this article needs to develop an effective GDM model based on the fuzzy multivalued evaluation information of the renal cancer ***,we propose a conversionmethod of transforming FMSs into entropy fuzzy sets(EFSs)based on the mean and Shannon entropy of a fuzzy sequence in FMS to reasonably simplify the information expression and operations of FMSs and define the score function of an entropy fuzzy element(EFE)for ranking ***,we present the Aczel-Alsina t-norm and t-conorm operations of EFEs and the EFE Aczel-Alsina weighted arithmetic averaging(EFEAAWAA)and EFE Aczel-Alsina weighted geometric averaging(EFEAAWGA)***,we develop a multicriteria GDM model of renal cancer surgery options in the setting of ***,the proposed GDM model is applied to two clinical cases of renal cancer patients to choose the best surgical treatment scheme for a renal cancer patient in the setting of *** selected results of two clinical cases verify the efficiency and rationality of the proposed GDM model in the setting of FMSs.

关键词： Fuzzy multi-set entropy fuzzy element entropy fuzzy element Aczel-Alsina weighted arithmetic averaging operator entropy fuzzy element Aczel-Alsina weighted geometric averaging operator renal cancer surgical treatment option group decision-making model

A novel method for small and unbalanced sample pattern recognition of gas insulated switchgear partial discharge using an auxiliary classifier generative adversarial network

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High Voltage 2023年第2期8卷 368-379页

作者： Qianzhen jing jing Yan Yanxin Wang Xinyu ye Jianhua Wang Yingsan Geng State Key Laboratory of Electrical Insulation and Power Equipment Xi'an Jiaotong UniversityXi'anChina

Convolutional neural networks(CNNs)have been widely used for gas-insulated switchgear(GIS)partial discharge(PD)pattern recognition due to their powerful feature extraction ***,there is commonly a scarcity of fault samples due to low insulation failure rate of GIS equipment,which degrades the diagnostic performance of these CNN networks when directly applied to small and unbalanced ***,we propose a novel auxiliary classifier generative adversarial network for GIS PD pattern recognition for small and unbalanced ***,we propose using synchrosqueezed wavelet transform to extract time-frequency characteristics of PD pulses and obtain a time-frequency image with high energy aggregation and timefrequency distribution ***,we propose an improved generative adversarial network with an auxiliary classier and self-attention mechanism,which can generate highquality PD samples for situations with few *** show that our proposed method can reach 95.75%recognition accuracy for small datasets,which is the highest among several comparable ***,the proposed method has excellent and stable recognition performance for various unbalanced datasets.

关键词： network pattern classifier

C/EBPβ/AEP Signaling Drives Alzheimer's Disease Pathogenesis

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Neuroscience Bulletin 2023年第7期39卷 1173-1185页

作者： jing Xiong Zhentao Zhang Keqiang ye Department of Neurology Renmin Hospital of Wuhan UniversityWuhan 430060China Faculty of Life and Health Sciences Shenzhen Institute of Advanced Technology(SIAT)Shenzhen 518034China

Alzheimer’s disease(AD)is the most common type of *** two-thirds of patients with AD are *** reason for the higher susceptibility to AD onset in women is ***,hormone changes during the menopausal transition are known to be associated with *** recently,we reported that follicle-stimulating hormone(FSH)promotes AD pathology and enhances cognitive dysfunctions via activating the CCAAT-enhancer-binding protein(C/EBPβ)/asparagine endopeptidase(AEP)*** review summarizes our current understanding of the crucial role of the C/EBPβ/AEP pathway in driving AD pathogenesis by cleaving multiple critical AD players,including APP and Tau,explaining the roles and the mechanisms of FSH in increasing the susceptibility to AD in postmenopausal *** FSH-C/EBPβ/AEP pathway may serve as a novel therapeutic target for the treatment of AD.

关键词： Alzheimer's disease C/EBPβ Asparagine endopeptidase Pathogenesis Follicle stimulating hormone

(Quasi-)Poisson Enveloping Algebras

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Acta Mathematica Sinica,English Series 2013年第1期29卷 105-118页

作者： Yan Hong YANG Yuan yao Yu ye Department of Mathematics Columbia University Department of Mathematics The University of Texas1 University Station C1200Austin TX 78712 U.S.A. Department of Mathematics University of Science and Technology of China

We introduce the quasi-Poisson enveloping algebra and Poisson enveloping algebra for a non-commutative Poisson algebra. We prove that for a non-commutative Poisson algebra, the category of quasi-Poisson modules is equivalent to the category of left modules over its quasi-Poisson enveloping algebra, and the category of Poisson modules is equivalent to the category of left modules over its Poisson enveloping algebra.

关键词： Non-commutative Poisson algebra Poisson module Poisson enveloping algebra

Coupling analysis of transmission lines excited by space electromagnetic fields based on time domain hybrid method using parallel technique

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Chinese Physics B 2020年第9期29卷 249-254页

作者： Zhi-Hong ye Xiao-Lin Wu yao-yao Li School of Communication and Information Engineering Chongqing University of Posts and TelecommunicationsChongqing 400065China School of Electronic and Information Engineering Beihang UniversityBeijing 100083China

We present a time domain hybrid method to realize the fast coupling analysis of transmission lines excited by space electromagnetic fields, in which parallel finite-difference time-domain (FDTD) method, interpolation scheme, and Agrawal model-based transmission line (TL) equations are organically integrated together. Specifically, the Agrawal model is employed to establish the TL equations to describe the coupling effects of space electromagnetic fields on transmission lines. Then, the excitation fields functioning as distribution sources in TL equations are calculated by the parallel FDTD method through using the message passing interface (MPI) library scheme and interpolation scheme. Finally, the TL equations are discretized by the central difference scheme of FDTD and assigned to multiple processors to obtain the transient responses on the terminal loads of these lines. The significant feature of the presented method is embodied in its parallel and synchronous calculations of the space electromagnetic fields and transient responses on the lines. Numerical simulations of ambient wave acting on multi-conductor transmission lines (MTLs), which are located on the PEC ground and in the shielded cavity respectively, are implemented to verify the accuracy and efficiency of the presented method.

关键词： Agrawal model transmission line equations parallel FDTD method message passing interface(MPI)library

Screening Effect in Isotropic Gaussian Processes

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Acta Mathematica Sinica,English Series 2020年第5期36卷 512-534页

作者： jing Yu BAO Fei ye Ying YANG Department of Mathematical Sciences Tsinghua UniversityBeijing 100062.P.R.China School of Statistics Capital University of Economics and BusinessBeijing 100026P.R.China

The screening effect is the phenomenon that optimal linear prediction of a spatial process on an unobserved location mostly depends on nearby *** is,the optimal predictor based on just nearby observations yields a good approximation of which based on the whole large ***,the approximation does not always perform well since the screening effect may not hold in all *** determine when the screening effect holds is an important issue in spatial *** paper provides some sufficient conditions for ensuring an asymptotic screening effect in Rd based on the spectral density of the underlying isotropic Gaussian process and the geometries of nearby *** results apply to isotropic processes with an arbitrary degree of *** we are predicting at origin,the conditions are(1)the spectral density is nearly a constant in balls of finite radius far from the origin,(2)the positions of nearby observations do not fall on a curve with non-zero intercept whose degree is less or equal to the order of mean square differentiability of the *** conditions are easy to verify in *** rates of the asymptotic screening effect are also *** rates depend on the rate of decrease of the spectral *** studies on the screening effect for finite samples are also provided.

关键词： Spatial statistics spectral analysis kriging screening effect