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Establishment of an indirect immunofluorescence assay for the detection of African swine fever virus antibodies

Journal of Integrative Agriculture 2024年第1期23卷 228-238页

作者： Wan Wang Zhenjiang Zhang Weldu Tesfagaber Jiwen Zhang Fang Li Encheng Sun Lijie Tang Zhigao Bu Yuanmao Zhu Dongming Zhao State key laboratory for Animal Disease Control and Prevention National African Swine Fever Para-reference LaboratoryNational High Containment Facilities for Animal Diseases Control and PreventionHarbin Veterinary Research InstituteChinese Academy of Agricultural SciencesHarbin 150069China College of Veterinary Medicine Northeast Agricultural UniversityHarbin 150069China

African swine fever(ASF)continues to cause enormous economic loss to the global pig *** there is no safe and effective vaccine,accurate and timely diagnosis of ASF is essential to implement control *** immunofluorescence assay(IFA)is a gold standard serological method recommended by the World Organization for Animal Health(WOAH).In this study,we used primary fetal kidney cells to establish a wild boar cell line(BK2258)that supported the efficient replication of ASF virus(ASFV)SD/DY-I/21 and showed visible cytopathic effect(CPE).Moreover,using BK2258,we established a sensitive and specific IFA for ASFV antibody *** standardize and evaluate the performance of this assay,we used serum samples from pigs infected with the low virulent genotype I SD/DY-I/21 and genotype II HLJ/HRB1/20,and immunized with the vaccine candidate HLJ/18-7GD,field samples,and negative serum *** IFA reacted with the ASFV-positive sera and displayed bright fluorescence *** was no non-specific green fluorescence due to cellular senescence or other cell damage-causing *** to a commercial indirect enzyme-linked immunosorbent assay(iELISA),ASFV antibodies were detected 1–4 days earlier using our *** detection limits of the IFA and iELISA for the same ASFV-antibody positive serum samples were 1:25,600 and 1:6,400,respectively,indicating that the IFA is more sensitive than *** newly established IFA was highly specific and did not cross-react with sera positive for six other important porcine pathogens(i.e.,Classical swine fever virus(CSFV),Porcine reproductive and respiratory syndrome virus(PRRSV),Porcme circovirus type 2(PCV2),Pseudorabies virus(PRV),Foot-and-Mouth disease virus type O(FMDV/O),and Porcine epidemic diarrhea virus(PEDV)).This study thus provides a sensitive,specific,and reliable detection method that is suitable for the serological diagnosis of ASF.

关键词： African swine fever antibody IFA serological method

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Aldh2 deficiency plays a dual role in lung tumorigenesis and tumor progression

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Genes & Diseases 2024年第3期11卷 144-147页

作者： Hongjia Zhang Xueqian Sun Zhanming Li Tingting Liu Fang Zhang Xinyu Meng Kaimi Li Jianhua Xu Wei He Bo Jing Tong Wang Na Ni Beibei Sun Feng Yao Yadi Wu Qi Wang Jing Du Eugene Y.Chin Binhua P.Zhou Ping Jiang Lishun Wang Jiong Deng key laboratory of Cell Differentiation and Apoptosis of Chinese Minister of Education Department of PathophysiologyShanghai Jiao Tong University School of MedicineShanghai 200025China Shanghai key laboratory for Tumor Microenvironment and Inflammation Shanghai Jiao Tong University School of MedicineShanghai200025China Department of Pathology Kunming Medical UniversityKunmingYunnan 650500China Medical Research Center Binzhou Medical University HospitalBinzhouShandong 256600China Center for Traditional Chinese Medicine and Gut Microbiota Minhang HospitalFudan UniversityShanghai 201100China Department of Radiation Oncology Yantai Affiliated Hospital of Binzhou Medical UniversityYantaiShandong 264100China Department of Pathology Molecular Pathology Research CenterPeking Union Medical College HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing 100730China Department of laboratory Medicine Shanghai Pulmonary Hospital Affiliated Tongji UniversityShanghai 200080China Department of Physiology School of Basic Medical SciencesWeifang Medical UniversityWeifangShandong 261021China Department of Thoracic Surgery Shanghai Chest HospitalShanghai Jiao Tong UniversityShanghai 200030China Department of molecular and Celular biochemistry Markey Cancer CenterUniversity of Kentucky College of MedicineLexingtonKY40506USA Department of Respiratory Medicine The Second Affiliated HospitalDalian Medical UniversityDalianLiaoning116023China Peninsular Cancer Center Binzhou Medical UniversityYantaiShandong 264003China

Alcohol consumption contributes to global mortality and cancer ***(ACE),the oxidized metabolite of alcohol,is highly reactive towards DNA,resulting in DNA *** can be detoxified to acetate by acetaldehyde dehydrogenase... 详细信息

关键词： mortality damage ALDH2

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Dynamic evolution of an SVEIR model with variants and non-pharmaceutical interventions for controlling COVID-19

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Journal of Biosafety and Biosecurity 2024年第2期6卷 67-75页

作者： Ruiyang Zhou Shaojian Cai Guangmin Chen Senzhong Huang Zhen Jin Zhihang Peng Weichuan Lin Fengying Wei Kuicheng Zheng School of Mathematics and Statistics Fuzhou UniversityFuzhou 350116FujianChina Fujian Provincial Center for Disease Control and Prevention Fuzhou 350012FujianChina School of Statistics and Data Science ZhiYing Research Center for Health DataNankai UniversityTianjin 300071China Complex Systems Research Center Shanxi UniversityTaiyuan 030006ShanxiChina Department of Biostatistics School of Public HealthNanjing Medical UniversityNanjing 211166JiangsuChina School of Mathematics and Statistics Fujian Normal UniversityFuzhou 350007FujianChina Center for Applied Mathematics of Fujian province Fuzhou UniversityFuzhou 350116FujianChina key laboratory of Operations Research and Control of Universities in Fujian Fuzhou UniversityFuzhou 350116FujianChina Fujian Provincial key laboratory of Zoonosis Research Fuzhou 350001FujianChina Teaching Base of the School of Public Health of Fujian Medical University Fuzhou 350001FujianChina

The epidemiological characteristics and distributions of two epidemics in Fujian province of Southeast China were attributed to the complex interactions among variant,host,and non-pharmaceutical interventions(NPIs).All reported cases in the Putian epidemic(September 8–October 2,2021,Delta variant B.1.617.2)and Fuzhou epidemic(October 22–November 18,2022,Omicron variant BA.5.2)were classified by sex,age group,occupation,and location in this *** surveillance data from the Fujian Provincial Center for Disease Control and Prevention,we established a virus-oriented SVEIR(Susceptible–Vaccinated–Exposed–Infected–Recovered)model to investigate the dynamic evolution features of these two variants and the effects of *** optimal simulations were carried out with variants and scenario *** scenario investigations showed that NPIs significantly reduced the transmission risk and infection scales of COVID-19,and that the Omicron variant was more infectious than the Delta ***,the dynamic investigations revealed the increasing tendencies from Delta to Omicron,such as the basic reproduction number,infection rate,percentage of high-risk cases,and the growth *** tendencies were also identified,such as the average recovery period,the awareness delay,and the percentage of symptomatic *** study highlighted that NPIs played critical roles in successfully containing the two *** interventions are strongly recommended to public health policymakers.

关键词： COVID-19 SVEIR model Transmission dynamics Non-pharmaceutical interventions Delta variant Omicron variant

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Enhancing the Efficiency and Durability of Perovskite Solar Cells by Donor-Acceptor Covalent Organic Framework with Thiazolo[5,4-d]thiazole Unit

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CCS Chemistry 2024年第7期6卷 1721-1730页

作者： Liyi Yao Shuainan Liu Lin Li Bangdi Ge Wenyu Jiao Siyu Zong Xiaowei Song Donglei Zhou Zhiqiang Liang State key Lab of Inorganic Synthesis and Preparative Chemistry College of ChemistryJilin UniversityChangchun 130012 State key laboratory of Integrated Optoelectronics College of Electronic Science and EngineeringJilin UniversityChangchun 130012 Electron Microscopy Center Jilin UniversityChangchun 130012

Donor-Acceptor(D-A)alignment is considered a productive strategy to improve the charge separation efficiency of covalent organic frameworks(COFs)and enhance the charge-transfer yield(CTY)of ***,organic molecules containing heteroatoms can produce coordination interaction with PbI2 of perovskite precursor to affect the crystallization process,thereby impeding the decomposition and improving the stability of perovskite ***,a thiazolo[5,4-d]thiazole(TZ)-based D-A type COF_(TPDA-TZDA) was designed and synthesized from N,N,N′,N′-tetrakis(4-aminophenyl)-1,4-benzenediamine(TPDA)and 4,4′-(thiazolo[5,4-d]thiazole-2,5-diyl)dibenzaldehyde(TZDA).Upon incorporation into the FAPbI3 layer,COF_(TPDA-TZDA) not only restrained the perovskite defects and enhanced the grain size of perovskite films through the coordination effect of the N atoms of TZDA but also ameliorated the charge transport within the perovskite film,which was the benefit of the D-A structure of COF_(TPDA-TZDA).As a result,incorporation of COF_(TPDA-TZDA) into the perovskite solar cells(PSCs)led to a remarkable power conversion efficiency(PCE)of up to 23.51%.Furthermore,even after being stored in high relative humidity(RH≈60%)for 480 h,these PSCs maintained over 90.55%of their original *** work sets the foundation for the development of highly efficient and stable PSCs by utilizing TZ-based D-A type COFs.

关键词： thiazolo[5,4-d]thiazole perovskite solar cells donor-acceptor covalent organic frameworks charge-transfer

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Isolation,cultivation and identification of brain glioma stem cells by magnetic bead sorting

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Neural Regeneration Research 2012年第13期7卷 985-992页

作者： Xiuping Zhou Chao Zheng Qiong Shi Xiang Li Zhigang Shen Rutong Yu Department of Neurosurgery Affiliated Hospital of Xuzhou Medical College Xuzhou 221000 Jiangsu Province China laboratory of Neurosurgery Xuzhou Medical College Xuzhou 221002 Jiangsu Province China jiangsu key laboratory of Brain Disease biology Affiliated Hospital of Xuzhou Medical College Xuzhou 221000 Jiangsu Province China Graduate School Xuzhou Medical College Xuzhou 221002 Jiangsu Province China

This study describes a detailed process for obtaining brain glioma stem cells from freshly dissected human brain glioma samples using an immunomagnetic bead technique combined with serum-free media pressure screening. Furthermore, the proliferation, differentiation and self-renewal biological features of brain glioma stem cells were identified. Results showed that a small number of CD133 positive tumor cells isolated from brain glioma samples survived as a cell suspension in serum-free media and proliferated. Subcultured CD133 positive cells maintained a potent self-renewal and proliferative ability, and expressed the stem cell-specific markers CD133 and nestin. After incubation with fetal bovine serum, the number of glial fibrillary acidic protein and microtubule associated protein 2 positive cells increased significantly, indicating that the cultured brain glioma stem cells can differentiate into astrocytes and neurons. Western blot analysis showed that tumor suppressor phosphatase and tensin homolog was highly expressed in tumor spheres compared with the differentiated tumor cells. These experimental findings indicate that the immunomagnetic beads technique is a useful method to obtain brain glioma stem cells from human brain tumors.

关键词： brain glioma stem cells CD133 nestin immunomagnetic beads glial fibrillary acidic protein microtubule associated protein 2 neural regeneration

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Dynamic in situ reconstruction of NiSe2 promoted by interfacial Ce2（CO3）2O for enhanced water oxidation

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Journal of Energy Chemistry 2024年第11期 472-480页

作者： Fengli Wei Jinghao Shen Jiayin Xie Zuyang Luo Luyan Shi Tayirjan Taylor Isimjan Xiulin Yang Jieshan Qiu Bin Wu Guangxi key laboratory of Low Carbon Energy Materials School of Chemistry and Pharmaceutical Sciences Guangxi Normal University Saudi Arabia Basic Industries Corporation (SABIC) at King Abdullah University of Science and Technology (KAUST) State key laboratory of Chemical Resource Engineering State Key Laboratory of Organic-Inorganic Composites College of Chemical Engineering Beijing University of Chemical Technology Helmholtz-Zentrum Berlin für Materialien und Energie GmbH Institute of Physics Humboldt University Berlin

Understanding and manipulating the structural evolution of water oxidation electrocatalysts lays the foundation to finetune their catalytic ***,we present a synthesis of NiSe2-Ce2（CO3）2O heterostructure and demonstrate the efficacy of interfacial Ce2（CO3）2O in promoting the formation of catalytically active centers to improve oxygen evolution ***-situ Raman spectroscopy shows that incorporation of Ce2（CO3）2O into NiSe2causes a cathodic shift of the Ni2+→Ni3+transition *** electrochemical impedance spectroscopy reveals that strong electronic coupling at heterogeneous interface accelerates charge transfer ***,density functional theory calculations suggest that actual catalytic active species of NiOOH transformed from NiSe2,which is coupled with Ce2（CO3）2O,can optimize electronic structure and decrease the free energy barriers toward fast oxygen evolution reaction（OER） ***,the resultant NiSe2-Ce2（CO3）2O electrode exhibits remarkable electrocatalytic performance with low overpotentials(268/304 mV@50/100 mA cm-2) and excellent stability(50 mA cm-2for 120 h) in the alkaline *** work emphasizes the significance of modulating the dynamic changes in developing efficient electrocatalyst.

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Variational Reconstruction and Simulation Experiments of Sea Surface Wind Field for Ocean Data Buoy

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Journal of Ocean University of China 2024年第3期23卷 577-582页

作者： LI Yunzhou HUANG Sixun YAN Shen SUN Xuejin QI Suiping WANG Zhongqiu TANG Xiaoyu College of Meteorology and Oceanography National University of Defense TechnologyChangsha 410073China Institute of Oceanographic Instrumentation Qilu University of Technology(Shandong Academy of Sciences)Qingdao 266061China State key laboratory of Industrial Control Technology College of Control Science and EngineeringZhejiang UniversityHangzhou 310027China Laoshan laboratory Qingdao 266237China

The sea surface wind field is an important physical parameter in oceanography and *** the continuous refinement of numerical weather prediction,air-sea interface materials,energy exchange,and other studies,three-dimensional(3D)wind field distribution at local locations on the sea surface must be measured *** current in-situ observation of sea surface wind parameters is mainly achieved through the installation of wind sensors on ocean data ***,the results obtained from this single-point measurement method cannot reflect wind field distribution in a vertical direction above the sea ***,the present paper proposes a theoretical framework for the optimal inversion of the 3D wind field structure variation in the area where the buoy is *** variation analysis method is first used to reconstruct the wind field distribution at different heights of the buoy,after which theoretical analysis verification and numerical simulation experiments are *** results indicate that the use of variational methods to reconstruct 3D wind fields is significantly effective in eliminating disturbance errors in observations,which also verifies the correctness of the theoretical analysis of this *** findings of this article can provide a reference for the layout optimization design of wind measuring instruments in buoy observation systems and also provide theoretical guidance for the design of new observation buoys in the future.

关键词： moored buoy three-dimensional wind field distribution variational analysis wind field reconstruction

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Coastal hypoxia response to the coupling of catastrophic flood,extreme marine heatwave and typhoon:a case study off the Changjiang River Estuary in summer 2020

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Acta Oceanologica Sinica 2024年第6期43卷 107-118页

作者： Xiao Ma Qicheng Meng Dewang Li Yuanli Zhu Xiaobo Ni Dingyong Zeng Di Tian Ting Huang Zhihao Jiang Haiyan Jin Feng Zhou State key laboratory of Satellite Ocean Environment Dynamics Second Institute of OceanographyMinistry of Natural ResourcesHangzhou 310012China Observation and Research Station of Yangtze River Delta Marine Ecosystems Ministry of Natural ResourcesZhoushan 316022China key laboratory of Marine Ecosystem Dynamics Second Institute of OceanographyMinistry of Natural ResourcesHangzhou 310012China School of Oceanography Shanghai Jiao Tong UniversityShanghai 200240China College of Oceanography Zhejiang UniversityZhoushan 316021China

Massive bodies of low-oxygen bottom waters are found in coastal areas worldwide,which are detrimental to coastal *** summer 2020,the response of coastal hypoxia to extreme weather events,including a catastrophic flooding,an extreme marine heatwave,and Typhoon Bavi,is investigated based on multiple satellite,four cruises,and mooring *** extensive fan-shaped hypoxia zone presents significant northward extension during July-September 2020,and is estimated as large as 13 000 km^(2) with rather low oxygen minimum(0.42 mg/L) during its peak in 28-30 *** severe hypoxia is attributed to the persistent strong stratification,which is indicated by flood-induced larger amount of riverine freshwater input and subsequent marine heatwave off the Changjiang River ***,the Typhoon Bavi has limited effect on the marine heatwave and coastal hypoxia in summer 2020.

关键词： coastal hypoxia Changjiang River Estuary extreme weather events seasonal evolution

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Advances in multi-scale design and fabrication processes for thick electrodes in lithium-ion batteries

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Energy Reviews 2024年第2期3卷 14-30页

作者： Xiuxue Liu Yubin Zeng Wei Yuan Guanhua Zhang Huai Zheng Zhongxue Chen key laboratory of Hydraulic Machinery Transients Ministry of EducationSchool of Power and Mechanical EngineeringWuhan UniversityWuhan430072China School of Mechanical and Automotive Engineering South China University of TechnologyGuangzhou510640GuangdongChina State key laboratory of Advanced Design and Manufacturing for Vehicle Body College of Mechanical and Vehicle EngineeringHunan UniversityChangsha410082China Greater Bay Area Institute for Innovation Hunan UniversityGuangzhou511300China

In the contemporary era,lithium-ion batteries have gained considerable attention in various industries such as 3C products,electric vehicles and energy storage systems due to their exceptional *** the rapid progress in the energy storage sector,there is a growing demand for greater energy density in lithium-ion *** the use of thick electrodes is a straightforward and effective approach to enhance the energy density of battery,it is hindered by the sluggish reaction dynamics and insufficient mechanical ***,we comprehensively review recent advances in the field of thick electrodes for lithium-ion batteries to overcome the bottlenecks in the development of thick electrodes and achieve efficient fabrication for high-performance lithium-ion ***,a systematic analysis is performed to identify the factors affecting the performance of the thick *** correlation between electrode materials,structural parameters,and performance is also ***,the viable strategies for constructing thick electrodes with improved properties are summarize,including high throughput,high conductivity and low tortuosity,in both material development and structural *** addition,recent advances in efficient fabrication methods for thick electrode fabrication are reviewed,with a comprehensive assessment of their merits,limitations,and applicable ***,a comprehensive overview of the multiscale design and manufacturing process for thick electrodes in lithium-ion batteries is provided,accompanied by valuable insights into design considerations that are crucial for future advances in this area.

关键词： Lithium-ion battery Thick electrode High energy density Electrode structure Multi-scale design Material development

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The temporal-spatial expression and functional analysis of three gustatory receptor genes in Solenopsis invicta using sweet and bitter compounds

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Insect Science 2024年第2期31卷 448-468页

作者： Muhammad Irfan Waris Yanyuan Lei Guojun Qi Ziying Guan Abdul Rashied Jie Chen Lihua Lyu Institute of Plant Protection Guangdong Academy of Agricultural SciencesGuangdong Provincial Key Laboratory of High Technology for Plant ProtectionGuangzhouChina Department of Entomology College of Plant ProtectionSouth China Agricultural UniversityGuangzhouChina

The insect gustatory system participates in identifying potential food sources and avoiding toxic *** this process,gustatory receptors(GRs)recognize feeding stimulant and deterrent ***,the GRs involved in recognizing stimulant and deterrent compounds in the red imported fire ant,Solenopsis invicta,remain ***,we conducted a study on the genes SinvGR1,SinvGR32b,and SinvGR28a to investigate the roles of GRs in detecting feeding stimulant and deterrent *** this current study,we found that sucrose and fructose are feeding stimulants and the bitter compound quinine is a feeding *** fire ant workers showed significant behavior changes to avoid the bitter taste in feeding stimulant *** transcription quantitative real-time polymerase chain reaction results from developmental stages showed that the SinvGR1,SinvGR32b,and SinvGR28a genes were highly expressed in fire ant ***-specific expression profiles indicated that SinvGR1,SinvGR32b,and SinvGR28a were specifically expressed in the antennae and foreleg tarsi of workers,whereas SinvGR32b gene transcripts were also highly accumulated in the male ***,the silencing of SinvGRI or SinvGR32b alone and the co-silencing of both genes disrupted worker stimulation and feeding on sucrose and *** results also showed that SinvGR28a is required for avoiding quinine,as workers with knockdown of the SinvGR28a gene failed to avoid and fed on *** study first identified stimulant and deterrent compounds of fire ant workers and then the GRs involved in the taste recognition of these *** study could provide potential target gustatory genes for the control of the fire ant.

关键词： behavioral responses feeding assays gustatory receptors RNA interference Solenopsis invicta temporal-spatial expression

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