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Conservation genomics provides insights into genetic resilience and adaptation of the endangered Chinese hazelnut, Corylus chinensis

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Plant Diversity 2024年第3期46卷 294-308页

作者： Zhen yang Lisong Liang Weibo Xiang Lujun Wang qinghua ma Zhaoshan Wang Key Laboratory of Tree Breeding and Cultivation National Forestry and Grassland AdministrationResearch Institute of ForestryChinese Academy of ForestryBeijing 100091China National Engineering Research Center of Eco-Environment Protection for yangtze River Economic Belt China Three Gorges CorporationBeijing 100083China Rare Plants Research Institute of yangtze River China Three Gorges CorporationYichang 443133China Research Institute of Economic Forest Cultivation and Processing Anhui Academy of ForestryHefei 230031China

Global climate change has increased concerns regarding biodiversity ***,many key conservation issues still required further research,including demographic history,deleterious mutation load,adaptive evolution,and putative *** we generated the first chromosome-level genome of the endangered Chinese hazelnut,Corylus chinensis,and compared the genomic signatures with its sympatric widespread ***-C yunnanensis *** found large genome rearrangements across all Corylus species and identified species-specific expanded gene families that may be involved in *** genomics revealed that both *** and the *** complex had diverged into two genetic lineages,forming a consistent pattern of southwestern-northern *** size of the narrow southwestern lineages of both species have decreased continuously since the late Miocene,whereas the widespread northern lineages have remained stable(***) or have even recovered from population bottlenecks(*** complex) during the *** with ***-C. yunnanensis complex,*** showed significantly lower genomic diversity and higher inbreeding ***,*** carried significantly fewer deleterious mutations than ***-C. yunnanensis complex,as more effective purging selection reduced the accumulation of homozygous *** also detected signals of positive selection and adaptive introgression in different lineages,which facilitated the accumulation of favorable variants and formation of local ***,both types of selection and exogenous introgression could have mitigated inbreeding and facilitated survival and persistence of ***,our study provides critical insights into lineage differentiation,local adaptation,and the potential for future recovery of endangered trees.

关键词： Conservation genomics Demographic history Inbreeding Genetic load Runs of homozygosity Local adaptation

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Accurate and efficient remaining useful life prediction of batteries enabled by physics-informed machine learning

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Journal of Energy Chemistry 2024年第4期91卷 512-521页

作者： Liang ma Jinpeng Tian Tieling Zhang qinghua Guo Chunsheng Hu School of Mechanical MaterialsMechatronic and Biomedical EngineeringUniversity of WollongongWollongongNSW 2522Australia Department of Electrical and Electronic Engineering and Research Centre for Grid Modernization The Hong Kong Polytechnic UniversityKowloonHong Kong 999077China School of Electrical Computer and Telecommunications EngineeringUniversity of WollongongWollongongNSW 2522Australia School of Advanced Interdisciplinary Studies Ningxia UniversityYinchuan 750000NingxiaChina

The safe and reliable operation of lithium-ion batteries necessitates the accurate prediction of remaining useful life(RUL).However,this task is challenging due to the diverse ageing mechanisms,various operating conditions,and limited measured *** data-driven methods are perceived as a promising solution,they ignore intrinsic battery physics,leading to compromised accuracy,low efficiency,and low *** response,this study integrates domain knowledge into deep learning to enhance the RUL prediction *** demonstrate accurate RUL prediction using only a single charging ***,a generalisable physics-based model is developed to extract ageing-correlated parameters that can describe and explain battery degradation from battery charging *** parameters inform a deep neural network(DNN)to predict RUL with high accuracy and *** trained model is validated under 3 types of batteries working under 7 conditions,considering fully charged and partially charged *** data from one cycle only,the proposed method achieves a root mean squared error(RMSE)of 11.42 cycles and a mean absolute relative error(maRE)of 3.19%on average,which are over45%and 44%lower compared to the two state-of-the-art data-driven methods,*** its accuracy,the proposed method also outperforms existing methods in terms of efficiency,input burden,and *** inherent relationship between the model parameters and the battery degradation mechanism is further revealed,substantiating the intrinsic superiority of the proposed method.

关键词： Lithium-ion batteries Remaining useful life Physics-informed machine learning

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Chatter suppression techniques in milling processes:A state of the art review

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Chinese Journal of Aeronautics 2024年第7期37卷 1-23页

作者： Zhenmin LI qinghua SONG Peijian JIN Zhanqiang LIU Bing WANG Haifeng ma Key Laboratory of High Efficiency and Clean Mechanical manufacture Ministry of EducationSchool of Mechanical EngineeringShandong UniversityJinan 250061China National Demonstration Center for Experimental Mechanical Engineering Education Shandong UniversityJinan 250061China

Chatter in the machining system can result in a decrease in tool life,poor surface finish,conservative cutting parameters,*** many review papers promoting the understanding and research of this area,chatter suppression techniques are generally discussed within limited pages in the framework of comprehensive chatter-related *** recent years,the developments of smart materials,advanced sensing techniques,and more effective control strategies have led to some new progress in chatter ***,the widely used thin-walled parts present more and more severe machining challenges in their milling *** the above deficiencies,this paper summarizes the current state of the art in milling chatter *** classifications of chatter suppression techniques are proposed according to the working principle and control *** on the new classified framework,the mechanism and comparisons of different chatter suppression strategies are ***,the current challenges and potential tendencies of milling chatter suppression techniques are ***,integration,compactness,adaptability to workpiece geometry,and the collaboration of multiple control methods are predicted to be important trends in the future.

关键词： Active control Chatter suppression Damping Milling Regenerative effect

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High-performance and wavelength-transplantable on-chip Fourier transform spectrometer using MEMS in-plane reconfiguration

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Photonics Research 2024年第8期12卷 1730-1740页

作者： HENG CHEN HUI ZHANG JING ZHOU CHEN ma QIAN HUANG HANXING WANG qinghua REN NAN WANG CHENGKUO LEE YIMING ma School of Microelectronics Shanghai UniversityShanghai 201800China Shanghai Collaborative Innovation Center of Intelligent Sensing Chip Technology Shanghai UniversityShanghai 201800China Department of Electrical and Electronic Engineering The Hong Kong Polytechnic UniversityHong Kong 999077China Department of Electrical and Computer Engineering National University of SingaporeSingapore 117583Singapore Center for Intelligent Sensors and MEMS(CISM) National University of SingaporeSingapore 117608Singapore

On-chip spectrometers with high compactness and portability enable new applications in scientific research and industrial *** transform(FT)spectrometers have the potential to realize a high signal-to-noise *** we propose and demonstrate a generalized design for high-performance on-chip FT *** spectrometer is based on the dynamic in-plane reconfiguration of a waveguide coupler enabled by an integrated comb-drive actuator *** electrostatic actuation intrinsically features ultra-low power *** coupling gap is crucial to the spectral *** in-plane reconfiguration surmounts the lithography accuracy limitation of the coupling gap,boosting the resolution to 0.2 nm for dual spectral spikes over a large bandwidth of 100 nm(1.5–1.6μm)within a compact footprint of 75μm×1000μ***,the in-plane tuning range can be large enough for arbitrary wavelengths to ensure the effectiveness of spectrum *** a result,the proposed spectrometer can be easily transplanted to other operation bands by simply scaling the structural *** a proof-of-concept,a mid-infrared spectrometer is further demonstrated with a dual-spike reconstruction resolution of 1.5 nm and a bandwidth of 300 nm(4–4.3μm).

关键词： waveguide tuning lithography

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Interfacial Oxygen Octahedral Coupling-Driven Robust Ferroelectricity in Epitaxial Na_(0.5)Bi_(0.5)TiO_(3)Thin Films

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Research 2024年第2期2023卷 149-157页

作者： Haojie Han qinghua Zhang Wei Li Yiqun Liu Jiasheng Guo Yue Wang Qian Li Lin Gu Ce-Wen Nan Jing ma State Key Laboratory of New Ceramics and Fine Processing Schoolof Materials Science and EngineeringTsinghua UniversityBeijing 100084China Beijing National Laboratory for Condensed matter Physics Institute of PhysicsChinese Academy of SciencesBeijing 100190China

The oxygen octahedral rotation(OOR)forms fundamental atomic distortions and symmetries in perovskite oxides and definitely determines their properties and ***,epitaxial strain and interfacial structural coupling engineering have been developed to modulate the OOR patterns and explore novel properties,but it is difficult to distinguish the 2 ***,different symmetries are induced in Na_(0.5)Bi_(0.5)TiO_(3)(NBT)epitaxial films by interfacial oxygen octahedral coupling rather than epitaxial *** NBT film grown on the Nb:SrTiO_(3)substrate exhibits a paraelectric tetragonal phase,while with La_(0.5)Sr_(0.5)MnO_(3)as a buffer layer,a monoclinic phase and robust ferroelectricity are obtained,with a remanent polarization of 42μC cm^(-2)and a breakdown strength of 7.89 MV cm^(-1),which are the highest record among NBT-based ***,the interfacial oxygen octahedral coupling effect is demonstrated to propagate to the entire thickness of the film,suggesting an intriguing long-range *** work provides a deep insight into understanding the structure modulation in perovskite heterostructures and an important avenue for achieving unique functionalities.

关键词： effect. interfacial coupling

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Altered synaptic currents,mitophagy,mitochondrial dynamics in Alzheimer's disease models and therapeutic potential of Dengzhan Shengmai capsules intervention

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Journal of Pharmaceutical Analysis 2024年第3期14卷 348-370页

作者： Binbin Zhao Dongfeng Wei qinghua Long Qingjie Chen Fushun Wang Linlin Chen Zefei Li Tong Li Tao ma Wei Liu Linshuang Wang Caishui yang Xiaxia Zhang Ping Wang Zhanjun Zhang State Key Laboratory of Cognitive Neuroscience and Learning&IDG/McGovern Institute for Brain Research Beijing Normal UniversityBeijing100875China Institute of Gerontology Hubei University of Chinese MedicineWuhan430065China Institute of Basic Research in Clinical Medicine China Academy of Chinese Medical SciencesBeijing100700China Medical School Hubei Minzu UniversityEnshiHubei445000China HuBei University of Science and Technology XianningHubei437100China Institute of Brain and Psychological Science Sichuan Normal UniversityChengdu610066China Key Laboratory of Traditional Chinese Medicine Resource and Compound Prescription Ministry of EducationHubei University of Chinese MedicineWuhan430065China Dongfang Hospital Beijing University of Chinese MedicineBeijing100078China Beijing Key Laboratory of Traditional Chinese Medicine Basic Research on Prevention and Treatment for major Diseases Experimental Research CenterChina Academy of Chinese Medical SciencesBeijing100700China School of Systems Science Beijing Normal UniversityBeijing100875China BABRI Centre Beijing Normal UniversityBeijing100875China

Emerging research suggests a potential association of progression of Alzheimer's disease(AD)with alterations in synaptic currents and mitochondrial ***,the specific associations between these pathological changes remain *** this study,we utilized Aβ42-induced AD rats and primary neural cells as in vivo and in vitro *** investigations included behavioural tests,brain magnetic resonance imaging(MRI),liquid chromatography-tandem mass spectrometry(UPLC-MS/MS)analysis,Nissl staining,thioflavin-S staining,enzyme-linked immunosorbent assay,Golgi-Cox staining,transmission electron microscopy(TEM),immunofluorescence staining,proteomics,adenosine triphosphate(ATP)detection,mitochondrial membrane potential(MMP)and reactive oxygen species(ROS)assessment,mitochondrial morphology analysis,electrophysiological studies,Western blotting,and molecular *** results revealed changes in synaptic currents,mitophagy,and mitochondrial dynamics in the AD ***,intervention with Dengzhan Shengmai(DZSM)capsules emerged as a pivotal element in this investigation.Aβ42-induced synaptic dysfunction was significantly mitigated by DZSM intervention,which notably amplified the frequency and amplitude of synaptic *** cognitive impairment observed in AD rats was ameliorated and accompanied by robust protection against structural damage in key brain regions,including the hippocampal CA3,primary cingular cortex,prelimbic system,and dysgranular insular *** intervention led to increased IDE levels,augmented long-term potential(LTP)amplitude,and enhanced dendritic spine density and ***,DZSM intervention led to favourable changes in mitochondrial parameters,including ROS expression,MMP and ATP contents,and mitochondrial *** conclusion,our findings delved into the realm of altered synaptic currents,mitophagy,and mitochondrial dynamics in AD,concurrently highlighting the therapeutic potential of DZSM intervention.

关键词： Alzheimer's disease Synaptic currents Mitophagy Mitochondrial fusion and fission Dengzhan Shengmai capsules

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Li-Rich Organosulfur Cathode with Boosted Kinetics for High-Energy Lithium-Sulfur Batteries

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Energy & Environmental materials 2024年第4期7卷 118-125页

作者： Ting ma Jiaojiao Deng Yuxiao Lin qinghua Liang Liang Hu Xiaohu Wang Jun Liu Xinsheng Zhao Yinwei Li Ding Nan Xiaoliang Yu College of Chemistry and Chemical Engineering Inner Mongolia University Inner Mongolia Key Laboratory of Graphite and Graphene for Energy Storage and Coating School of Materials Science and Engineering Inner Mongolia University of Technology Shenzhen Key Laboratory on Power Battery Safety and Shenzhen Geim Graphene Center Tsinghua Shenzhen International Graduate School (SIGS) School of Physics and Electronic Engineering Jiangsu Normal University Key Laboratory of Rare Earth Ganjiang Innovation Academy Chinese Academy of Sciences Department of Mechanical Engineering Research Institute for Smart EnergyThe Hong Kong Polytechnic University

Organosulfur materials containing sulfur-sulfur bonds are an emerging class of high-capacity cathodes for lithium ***,it remains a great challenge to achieve rapid conversion reaction kinetics at practical testing conditions of high cathode mass loading and low electrolyte *** this study,a Li-rich pyrolyzed polyacrylonitrile/selenium disulfide（pPAN/Se2S3） composite cathode is synthesized by deep lithiation to address the above challenges.

关键词： Electrolytes

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Structural basis of negative regulation of CRISPR-Cas7-11 by TPR-CHAT

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Signal Transduction and Targeted Therapy 2024年第6期9卷 2716-2725页

作者： Tian Hong qinghua Luo Haiyun ma Xin Wang Xinqiong Li Chongrong Shen Jie Pang Yan Wang Yuejia Chen Changbin Zhang Zhaoming Su Haohao Dong Xiaodi Tang Department of Laboratory Medicine State Key Laboratory of BiotherapyNational Clinical Research Center for GeriatricsWest China HospitalSichuan UniversityChengduChina Frontiers Medical Center Tianfu Jincheng LaboratoryWest China HospitalSichuan UniversityChengduChina

CRISPR‒Cas7-11 is a Type Ⅲ-E CRISPR-associated nuclease that functions as a potent RNA editing ***-peptide repeat fused with Cas/HEF1-associated signal transducer(TPR-CHAT)acts as a regulatory protein that interacts with CRISPR RNA(crRNA)-bound Cas7-11 to form a CRISPR-guided caspase complex(Craspase).However,the precise modulation of Cas7-11’s nuclease activity by TPR-CHAT to enhance its utility requires further ***,we report cryo-electron microscopy(cryo-EM)structures of Desulfonema ishimotonii(Di)Cas7-11-crRNA,complexed with or without the full length or the N-terminus of *** structures unveil the molecular features of the Craspase *** analysis,combined with in vitro nuclease assay and electrophoretic mobility shift assay,reveals that DiTPR-CHAT negatively regulates the activity of DiCas7-11 by preventing target RNA from binding through the N-terminal 65 amino acids of DiTPR-CHAT(DiTPR-CHAT_(NTD)).Our work demonstrates that DiTPRCHAT_(NTD) can function as a small unit of DiCas7-11 regulator,potentially enabling safe applications to prevent overcutting and offtarget effects of the CRISPR‒Cas7-11 system.

关键词： CRISPR crRNA TPR

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Nickel-iron in the second coordination shell boost single-atomicsite iridium catalysts for high-performance urea electrooxidation

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Nano Research 2024年第5期17卷 3919-3926页

作者： Xiaoyu Chen Jiawei Wan Jing Chai Liang Zhang Fang Zhang qinghua Zhang Lin Gu Lirong Zheng Ranbo Yu Department of Physical Chemistry School of Metallurgical and Ecological EngineeringUniversity of Science and Technology BeijingBeijing 100083China State Key Laboratory of Biochemical Engineering Key Laboratory of Biopharmaceutical Preparation and DeliveryChinese Academy of SciencesInstitute of Process EngineeringChinese Academy of SciencesBeijing 100190China Center for Combustion Energy School of Vehicle and MobilityState Key Laboratory of Intelligent Green Vehicle and MobilityTsinghua UniversityBeijing 100084China Analysis and Testing Center Beijing Institute of TechnologyBeijing 100081China Beijing National Laboratory for Condensed matter Physics Institute of PhysicsChinese Academy of SciencesBeijing 100190China Beijing National Center for Electron Microscopy and Laboratory of Advanced materials Department of Materials Science and EngineeringTsinghua UniversityBeijing 100084China Beijing Synchrotron Radiation Facility Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China

Single-atom catalysts(SACs)with high catalytic activity as well as great stability are demonstrating great promotion in electrocatalytic energy conversion,which is also a big challenge to ***,we proposed a facile synthetic strategy to construct nickel-iron bimetallic hydroxide nanoribbon stabilized single-atom iridium catalysts(Ir-NiFe-OH),where the nickel-iron hydroxide nanoribbon not only can serve as good electronic conductor,but also can well stabilize and fully expose single-atom *** as catalyst for urea oxidation reaction(UOR),it exhibited excellent UOR performance that it only needed a low operated potential of 1.38 V to achieve the current density of 100 ma·cm^(-2).In-situ Fourier transform infrared spectroscopy,X-ray absorption spectrum,and density functional theory calculations proved that Ir species are active centers and the existence of both Ni and Fe in the local structure of Ir atom can optimize the d-band center of Ir species,promoting the adsorption of intermediates and desorption of products for *** hydrogen evolution reaction(HER)/UOR electrocatalytic cell demanded voltages of 1.46 and 1.50 V to achieve 50 and 100 ma·cm^(-2),respectively,which demonstrated a higher activity and better stability than those of conventional *** work opens a new avenue to develop catalysts for UORs with boosted activity and stability.

关键词： single-atom iridium coordinate structure nanoribbon urea electrooxidation

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Universal architecture and defect engineering dual strategy for hierarchical antimony phosphate composite toward fast and durable sodium storage

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Journal of Energy Chemistry 2024年第3期90卷 110-119,I0004页

作者： Jiawei Wu Gaoyu Wang Wei Zhang Lixiang Wang Jian Peng qinghua Li Zhixin Liang Wenbo Fan Jiazhao Wang Shaoming Huang School of materials and Energy Guangzhou Key Laboratory of Low-Dimensional Materials and Energy Storage DevicesGuangdong University of TechnologyGuangzhou 510006GuangdongChina School of Mechanical and Electrical Engineering Jiaxing Nanhu UniversityJiaxing 314001ZhejiangChina Institute for Superconducting and Electronic materials Australian Institute for Innovative MaterialsUniversity of WollongongInnovation CampusSquires WayNorth WollongongNSW2522Australia

Antimony(Sb)-ba sed anode materials are feasible candidates for sodium-ion batteries(SIBs) due to their high theoretical specific capacity and excellent electrical ***,they still suffer from volume distortion,structural collapse,and ionic conduction interruption upon ***,a hierarchical array-like nanofiber structure was designed to address these limitations by combining architecture engineering and anion tuning strategy,in which SbPO_(4-x) with oxygen vacancy nanosheet arrays are anchored on the surface of interwoven carbon nanofibers(SbPO_(4-x)@CNFs).In particular,bulky PO_(4)^(3-) anions mitigate the large volume distortion and generate Na_(3)PO_(4) with high ionic conductivity,collectively improving cyclic stability and ionic transport *** abundant oxygen vacancies substantially boost the intrinsic electronic conductivity of SbPO_4,further accelerating the reaction *** addition,hierarchical fibrous structures provide abundant active sites,construct efficient conducting networks,and enhance the electron/ion transport *** from the advanced structural design,the SbPO_(4-x)@CNFs electrodes exhibit outstanding cycling stability(1000 cycles at 1.0 A g^(-1) with capacity decay of 0.05% per cycle) and rapid sodium storage performance(293.8 ma h g^(-1) at 5.0 A g^(-1)).Importantly,systematic in-/ex-situ techniques have revealed the "multi-step conversion-alloying" reaction process and the "battery-capacitor dual-mode" sodium-storage *** work provides valuable insights into the design of anode materials for advanced SIBs with elevated stability and superior rate performance.

关键词： SbPO_(4) anodes Hierarchical nanostructures Oxygen vacancy Stress dispersion Sodium-ion batteries

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