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Polyoxometalate-based flexible conductive materials with superionic conductivity

Science China Chemistry 2024年第10期67卷 3299-3309页

作者： Yuxin Wang Shuping xue jun Geng Ying Lu Teng Li Xiaozheng Duan xue Bai Yanli Yang Jingqi Yang Shuxia Liu Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education College of ChemistryNortheast Normal UniversityChangchun 130024China State Key Laboratory of Polymer Physics and Chemistry Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchun 130022China

Flexible ion-conductive materials exhibit intriguing advantages for applications in flexible electronic ***,the further enhancement of their conductivity within environmental limitations is an urgent demand for the development of flexible electronic devices,yet remains as a great ***,we report a“dual-acid”strategy,via the encapsulation of two acids,H_(3)PW_(12)O_(40)(HPW) and NH_(2)SO_(3)H(SA),with synergistic interaction into poly(vinyl alcohol)-glycerol(PVA-Gly) hydrogel,to achieve polyoxometalate(POM)-based flexible materials with superionic conductivity under various environmental *** a representative example,the prepared PVA-Gly/HPW-SA-20% hydrogel presents an ultrahigh proton conductivity ranging from -30℃(3.33×10^(-2)S cm^(-1)) to room temperature(2.78×10^(-1)S cm^(-1)) under ambient ***,the PVA-Gly/HPW-SA-20% hydrogel exhibits remarkable advantages in anti-freezing,mechanical flexibility and self-adhesiveness,making it a promising multifunctional electrolyte for flexible electronic *** experimental results and molecular dynamics(MD) simulations jointly demonstrate that SA bridges HPW clusters to form a dense proton transport pathway induced by multiple electrostatic and hydrogen bonding interactions between SA and HPW counterparts,which contributes to the high-level proton conductivity of the PVA-Gly/HPW-SA-20% *** work provides new insights into the design of POM-based flexible materials with superionic conductivity.

关键词： polyoxometalates proton conduction dual-acid effect hydrogel molecular dynamics simulation

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COVID-ONE-hi:The One-stop Database for COVID-19-specific Humoral Immunity and Clinical Parameters

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Genomics, Proteomics & Bioinformatics 2021年第5期19卷 669-678页

作者： Zhaowei Xu Yang Li Qing Lei Likun Huang Dan-yun Lai Shu-juan Guo He-wei Jiang Hongyan Hou Yun-xiao Zheng xue-ning Wang Jiaoxiang Wu Ming-liang Ma Bo Zhang Hong Chen Caizheng Yu jun-biao xue Hai-nan Zhang Huan Qi Siqi Yu Mingxi Lin Yandi Zhang Xiaosong Lin Zongjie Yao Huiming Sheng Ziyong Sun Feng Wang Xionglin Fan Sheng-ce Tao Shanghai Center for Systems Biomedicine Key Laboratory of Systems Biomedicine(Ministry of Education)Shanghai Jiao Tong UniversityShanghai 200240China Key Laboratory of Gastrointestinal Cancer(Fujian Medical University) Ministry of EducationSchool of Basic Medical SciencesFujian Medical UniversityFuzhou 350122China Department of Pathogen Biology School of Basic MedicineTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430074China Fujian Key Laboratory of Crop Breeding by Design Key Laboratory of GeneticsBreeding and Multiple Utilization of CropsMinistry of EducationFujian Agriculture and Forestry UniversityFuzhou 350028China Department of Clinical Laboratory Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430074China Tongren Hospital Shanghai Jiao Tong University School of MedicineShanghai 200025China Department of Public Health Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430074China

Coronavirus disease 2019(COVID-19),which is caused by SARS-CoV-2,varies with regard to symptoms and mortality rates among *** immunity plays critical roles in SARS-CoV-2 infection and recovery from ***,differences in immune responses and clinical features among COVID-19 patients remain largely ***,we report a database for COVID-19-specific IgG/IgM immune responses and clinical parameters(named COVID-ONE-hi).COVID-ONE-hi is based on the data that contain the IgG/IgM responses to 24 full-length/truncated proteins corresponding to 20 of 28 known SARS-CoV-2 proteins and 199 spike protein peptides against 2360 serum samples collected from 783 COVID-19 *** addition,96 clinical parameters for the 2360 serum samples and basic information for the 783 patients are integrated into the ***,COVID-ONE-hi provides a dashboard for defining samples and a one-click analysis pipeline for a single group or paired groups.A set of samples of interest is easily defined by adjusting the scale bars of a variety of *** the“START”button is clicked,one can readily obtain a comprehensive analysis report for further ***-ONE-hi is freely available at ***.

关键词： SARS-CoV-2 Protein microarray Humoral immunity One-stop tool Shiny

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Assessing target optical camouflage effects using brain functional networks:A feasibility study

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Defence Technology（防务技术） 2024年第4期34卷 69-77页

作者： Zhou Yu Li xue Weidong Xu jun Liu Qi Jia Jianghua Hu Jidong Wu National Key Laboratory of Lightning Protection and Electromagnetic Camouflage Army Engineering University Nanjing 210007JiangsuChina Unit 31608 of PLA Xiamen 361000FujianChina School of Biological Sciences&Medical Engineering Southeast UniversityNanjing 210096JiangsuChina

Brain functional networks model the brain's ability to exchange information across different regions,aiding in the understanding of the cognitive process of human visual attention during target searching,thereby contributing to the advancement of camouflage *** this study,images with various camouflage effects were presented to observers to generate electroencephalography(EEG)signals,which were then used to construct a brain functional *** topological parameters of the network were subsequently extracted and input into a machine learning model for *** results indicate that most of the classifiers achieved accuracy rates exceeding 70%.Specifically,the Logistic algorithm achieved an accuracy of 81.67%.Therefore,it is possible to predict target camouflage effectiveness with high accuracy without the need to calculate discovery *** proposed method fully considers the aspects of human visual and cognitive processes,overcomes the subjectivity of human interpretation,and achieves stable and reliable accuracy.

关键词： Camouflage effect evaluation Electroencephalography(EEG) Brain functional networks Machine learning

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Consistency of Tropospheric Water Vapor between Reanalyses and Himawari-8/AHI Measurements over East Asia

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Advances in Atmospheric Sciences 2024年第1期41卷 19-38页

作者： Di DI jun LI Yunheng xue Min MIN Bo LI Zhenglong LI Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters Nanjing University of Information Science and TechnologyNanjing 210044China Key Laboratory for Aerosol-Cloud-Precipitation China Meteorological AdministrationSchool of Atmospheric PhysicsNanjing University of Information Science and TechnologyNanjing 210044China FYSIC National Satellite Meteorological CenterChina Meteorological AdministrationBeijing 100081China Chengdu University of Information Science and Technology Chengdu 610225China School of Atmospheric Sciences and Guangdong Province Key laboratory for Climate Change and Natural Disaster Studies Sun Yat-sen University and Southern Laboratory of Ocean Science and EngineeringZhuhai 519082China Cooperative Institute for Meteorological Satellite Studies University of Wisconsin–MadisonMadison WI 53706WisconsinUSA Wuxi University Wuxi 214105China

High spatiotemporal resolution radiances from the advanced imagers onboard the new generation of geostationary weather satellites provide a unique opportunity to evaluate the abilities of various reanalysis datasets to depict multilayer tropospheric water vapor(WV),thereby enhancing our understanding of the deficiencies of WV in reanalysis *** on daily measurements from the Advanced Himawari Imager(AHI)onboard the Himawari-8 satellite in 2016,the bias features of multilayer WV from six reanalysis datasets over East Asia are thoroughly *** assessments show that wet biases exist in the upper troposphere in all six reanalysis datasets;in particular,these biases are much larger in ***,we find better depictions of WV in the middle troposphere than in the upper *** accuracy of WV in the ERA5 dataset is the highest,in terms of the bias magnitude,dispersion,and pattern *** characteristics of the WV bias over the Tibetan Plateau are significantly different from those over other parts of East *** addition,the reanalysis datasets all capture the shift of the subtropical high very well,with ERA5 performing better overall.

关键词： AHI reanalysis dataset multilayer water vapor assessment radiative transfer model

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Enhanced hydrogen evolution reaction in FePt film with remanence due to decrease in domain walls

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Rare Metals 2024年第3期43卷 1108-1115页

作者： Hong Hong Dong-xue Liu jun Li jun-Ming Li Li-Qian Wu Bo Yang Qing-Qi Cao Dun-Hui Wang National Laboratory of Solid State Microstructures Collaborative Innovation Center of Advanced MicrostructuresJiangsu Provincial Key Laboratory for NanotechnologySchool of PhysicsNanjing UniversityNanjing210093China Hangzhou Dianzi University Hangzhou310018China Key Laboratory for Anisotropy and Texture of Materials(Ministry of Education) School of Material Science and EngineeringNortheastern UniversityShenyang110819China

As an effective strategy to improve the properties of electrocatalysts,magnetic field-assisted electrocatalytic water splitting has attracted increasing attention ***,the corresponding enhancements mostly depend on the exertion of an external magnetic field during electrochemical reactions,which results in a high cost of industrial production,and makes the magnetic field manipulation of electrocatalysis become a challenging *** this work,instead of the external magnetic field,a bias magnetic field is self-supplied by the remanence state of a ferromagnetic electrocatalyst of *** to the assistance of this bias magnetic field,the FePt film in the remanence state shows the overpotential of 229 mV during hydrogen evolution reaction,which is much lower than that in its demagnetization state(283 mV).Our findings demonstrate that the remanence in ferromagnetic electrocatalysts can improve the catalytic performance,which is attributed to the decrease in domain walls.

关键词： Remanence Magnetic domains Electrocatalysis Hydrogen evolution reaction(HER)

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Observation of robust anisotropy in WS_(2)/BP heterostructures

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Nano Research 2024年第7期17卷 6749-6756页

作者： Xinran Li Xing Xie biao Wu junying Chen Shaofei Li jun He Zongwen Liu Jian-Tao Wang Yanping Liu Institute of Quantum Physics School of PhysicsCentral South University932 South Lushan RoadChangsha 410083China State Key Laboratory of Precision Manufacturing for Extreme Service Performance Central South University932 South Lushan RoadChangsha 410083China School of Chemical and Biomolecular Engineering The University of SydneyNSW 2006Australia The University of Sydney Nano Institute The University of SydneyNSW 2006Australia Beijing National Laboratory for Condensed Matter Physics Institute of PhysicsChinese Academy of SciencesBeijing 100190China School of Physical Sciences University of Chinese Academy of SciencesBeijing 100049China Songshan Lake Materials Laboratory Dongguan 523808China Shenzhen Research Institute of Central South University Shenzhen 518000China

Two-dimensional(2D)anisotropic materials have garnered significant attention in the realm of anisotropic optoelectronic devices due to their remarkable electrical,optical,thermal,and mechanical *** extensive research has delved into the optical and electrical characteristics of these materials,there remains a need for further exploration to identify novel materials and structures capable of fulfilling device requirements under various ***,we employ heterojunction interface engineering with black phosphorus(BP)to disrupt the C_(3) rotational symmetry of monolayer WS_(2).The resulting WS_(2)/BP heterostructure exhibits pronounced anisotropy in exciton emissions,with a measured anisotropic ratio of 1.84 for neutral *** a comprehensive analysis of magnetic-field-dependent and temperature-evolution photoluminescence spectra,we discern varying trends in the polarization ratio,notably observing a substantial anisotropy ratio of 1.94 at a temperature of 1.6 K and a magnetic field of 9 *** dynamic behavior is attributed to the susceptibility of the WS_(2)/BP heterostructure interface strain to fluctuations in magnetic fields and *** findings provide valuable insights into the design of anisotropic optoelectronic devices capable of adaptation to a range of magnetic fields and temperatures,thereby advancing the frontier of material-driven device engineering.

关键词： two-dimensional materials in-plane anisotropy black phosphorus heterojunctions optoelectronic devices photoluminescence spectra

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Muscovite^(40)Ar/^(39)Ar isotopic dating of pegmatite veins in the Bieyesamas rare metal deposit in the Altay Mountain,Xinjiang,northwestern China

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China Geology 2024年第3期7卷 589-591页

作者： Geng-biao Qiao Ping Wang Xiao-hong Wang jun-lu Chen Key Laboratory for the Study of Focused Magmatism and Giant Ore Deposits Ministry of Natural ResourcesXi’an 710119China Northwest China Center for Geoscience Innovation Xi’an Center of China Geological SurveyXi’an 710119China Petroleum Exploration and Development Research Institute of PetroChina Changqing Oilfield Company Xi’an 710086China

*** The Altay Orogenic Belt in Xinjiang,China is located in the west of the Central Asian Orogenic Belt and in the transition zone between the Siberian Plate and the Kazakhstan-junggar Plate,extending approximately 500 km in northern Xinjiang,China(Fig.1a).The Altay Orogenic Belt has undergone two-way accretion of the Paleozoic crust and the Meso-Cenozoic intracontinental orogeny,leading to the formation of large numbers of intermediate-acid *** than 100000 pegmatite veins have been discovered in the intermediate-acid intrusions,and they constitute an important rare metal metallogenic belt of China(Fig.1b).

关键词： Xinjiang dating isotopic

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Improving treatment plan and mental health in children with abdominal infection for broad-spectrum bacterial infections

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World Journal of Psychiatry 2024年第9期14卷 1319-1325页

作者： Gui-Bo Wang xue-Feng Zhang Bing Liang Jie Lei jun xue Department of Pediatric Surgery the First Affiliated Hospital of Hebei North UniversityZhangjiakou 075000Hebei ProvinceChina Department of General Surgery the First Affiliated Hospital of Hebei North UniversityZhangjiakou 075000Hebei ProvinceChina

BACKGROUND Pediatric abdominal infection is a common but serious disease that requires timely and effective *** surgical treatment,accurate diagnosis and rational application of antibiotics are the keys to improving treatment *** To investigate the effect of broad-spectrum bacterial detection on postoperative antibiotic *** A total of 100 children with abdominal infection who received surgical treatment in our hospital from September 2020 to July 2021 were *** observation group collected blood samples upon admission and sent them for broad-spectrum bacterial infection nucleic acid testing,and collected pus or exudate during the operation for bacterial culture and drug sensitivity testing;the control group only sent bacterial culture and drug sensitivity testing during the *** White blood cell count,C-reactive protein,procalcitonin,3 days after surgery,showed better postoperative index than the control group(P<0.05).The hospital stay in the observation group was significantly shorter than that in the control *** hospitalization cost in the observation group was significantly lower than that in the control group,and the difference between the two groups was statistically significant(P<0.05).CONCLUSION Early detection of broad-spectrum bacterial infection nucleic acids in pediatric abdominal infections can help identify pathogens sooner and guide the appropriate use of antibiotics,improving treatment outcomes and reducing medical costs to some extent.

关键词： Pediatric abdominal infection Nucleic acid detection of broad-spectrum bacterial infection Bacterial culture Drug sensitivity testing Treatment effect Cost Mental health

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Current strategies for predicting post-hepatectomy liver failure and a new ultrasound-based nomogram

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World Journal of Gastroenterology 2024年第39期30卷 4254-4259页

作者： Xing-xue Gao jun-Feng Li Department of Infectious Disease Lanzhou University First Clinical Medical CollegeLanzhou 730000Gansu ProvinceChina Department of Infectious Diseases&Infectious Disease Research Laboratory Lanzhou University First HospitalLanzhou 730000Gansu ProvinceChina

Liver cancer is associated with a few factors,such as viruses and alcohol con-sumption,and hepatectomy is an important treatment for patients with liver ***,post-hepatectomy liver failure(PHLF)is the most serious complication and has a high mortality *** prediction of PHLF allows for the adjustment of clinical treatment strategies and is critical to the long-term prognosis of *** factors have been associated with the development of PHLF,so there is an increasing interest in the development of predictive models for PHLF,such as nomograms that integrate intra-operative factors,imaging and biochemical characteristics of the ***,as a simple and important examination method,plays an important role in predicting PHLF,especially the Nomogram established based on ultrasound measurements of liver stiffness and spleen area provides a more convenient way to predict the occurrence of PHLF.

关键词： Ultrasound Liver stiffness Spleen area Hepatocellular carcinoma Post-hepatectomy liver failure

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Boosting ammonia production in electrocatalytic NO_(x)reduction on a robust Fe/FeMoO_(4)catalyst

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Nano Research 2024年第7期17卷 5801-5806页

作者： Dong-xue Liu Xin Deng Yong-Fu Zhu Zhe Meng xue-Feng Sun Miao-Miao Shi Hai-Xia Zhong jun-Min Yan Key Laboratory of Automobile Materials Ministry of EducationSchool of Materials Science and EngineeringJilin UniversityChangchun 130022China State Key Laboratory of Rare Earth Resource Utilization Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchun 130022China

Electrocatalytic reduction of nitrate(NO_(3)^(−))and nitride(NO_(2)^(−))to ammonia(NH3)is of wide interest as a promising alternative to the energy-intensive Haber-Bosch route for mitigating the vast energy consumption and the accompanied carbon dioxide emission,as well as benefiting for the relevant sewage ***,exploring an efficient and low-cost catalyst with high atomic utilization that can effectively facilitate the slow multi-electron transfer process remains a grand ***,we present an efficient hydrogenation of NO_(3)^(−)/NO_(2)^(−)species to NH3 in both alkaline and neutral environments over the Fe_(2)(MoO_(4))_(3)derived hybrid electrocatalyst with the metallic Fe site on FeMoO_(4)(Fe/FeMoO_(4)).The Mo ingredient can play a synergistically positive role in further promoting the NH_(3) production on *** a result,Fe/FeMoO_(4)behaves well in the electrochemical NH_(3) generation from NO_(2)^(−)with a maximum NH_(3) Faradaic efficiency(FE)of 96.53%and 87.68%in alkaline and neutral electrolyte,corresponding to the NH_(3) yield rate of 640.68 and 302.56 mg·h^(−1)·mg_(cat.)^(−1),respectively,which outperforms the Fe and Mo counterpart and other similar catalyst,showing the robust catalytic capacity of each active site.

关键词： ammonia synthesis NO_(x)reduction synergistic effect alkaline/neutral electrolyte

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