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Enhancing cartilage regeneration and repair through bioactive and biomechanical modification of 3D acellular dermal matrix

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Regenerative Biomaterials 2024年第3期3卷 105-121页

作者： Wei Gao Tan Cheng Zhengya Tang Wenqiang Zhang Yong Xui Min Han Guangdong Zhou Chunsheng Tao Ning Xu Huitang Xia Weijie sun Qingdao Medical College of Qingdao University Qingdao266071China Department of Infectious Diseases The First Affliated Hospital of Anhui Medical UniversityShushanHefei230022China Department of Orthopaedic Surgery Shanghai Sixth People's Hospital Affliated to Shanghai jiao Tong University School of MedicineShanghai200025China Department of Orthopedic Surgery Shanghai Eighth People's HospitalShanghai200235China Department of PlasticSurgery&Jinan ClinicalResearch Center for Tissue Engineering Skin Regeneration and Wound Repair The First Affliated Hospital of Shandong First Medical UniversityJinan266299China Department of Orthopaedics Ninety-seventh Hospital of the Chinese People's Liberation Army NavyQingdao266071China Department of Orthopaedics The First Affliated Hospital of Shandong First Medical UniversityJinan266299China Department of Plastic surgery Shanghai Key Laboratory of Tissue EngineeringShanghai Ninth People's HospitalShanghai jiao Tong University School of MedicineShanghai200023China Department of Thoracic Surgery Shanghai Children's HospitalShanghai Jiao Tong University School of MedicineShaghai200040China Department of Thoracic Surgery Shanghai Pulmonary HospitalSchool of MedicineTongji UniversityShanghai200433China

Acellular dermal matrix(ADM)shows promise for cartilage regeneration and ***,an effective decellularization technique that removes cellular components while preserving the extracellular matrix,the transformation of 2D-ADM into a suitable 3D scaffold with porosity and the enhancement of bioactive and biomechanical properties in the 3D-ADM scaffold are yet to be fully *** this study,we present an innovative decellularization method involving 0.125%trypsin and 0.5%SDS and a 1%Triton X-100 solution for preparing ADM and converting 2D-ADM into 3D-ADM *** scaffolds exhibit favorable physicochemical properties,exceptional biocompatibility and significant potential for driving cartilage regeneration in vitro and in *** further enhance the cartilage regeneration potential of 3D-ADM *** incorporated porcine-derived small intestinal submucosa(SIS)for bioactivity and calcium sulfate hemihydrate(CSH)for biomechanical *** resulting 3D-ADM+SIS scaffolds displayed heightened biological activity,while the 3D-ADM+CSH scaffolds notably bolstered biomechanical *** scaffold types showed promise for cartilage regeneration and repair in vitro and in vivo,with considerable improvements observed in repairing cartilage defects within a rabbit articular cartilage *** summary,this research introduces a versatile 3D-ADM scaffold with customizable bioactive and biomechanical properties,poised to revolutionize the field of cartilageregeneration.

关键词： acellular dermal matrix three-dimensional scaffolds cartilage regeneration small intestinal submucosa calcium sulfate hemihydrate

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Advanced Materials for NH_(3)Capture:Interaction Sites and Transport Pathways

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Nano-Micro Letters 2024年第11期16卷 119-155页

作者： Hai‑Yan Jiang Zao‑Ming Wang Xue‑Qi sun Shao‑Juan Zeng Yang‑Yang Guo Lu Bai Ming‑Shui Yao Xiang‑Ping Zhang Key Laboratory of Green Process and Engineering State Key Laboratory of Mesoscience and EngineeringBeijing Key Laboratory of Ionic Liquids Clean ProcessInstitute of Process EngineeringChinese Academy of SciencesBeijing 100190People’s Republic of China School of Future Technology University of Chinese Academy of SciencesBeijing 100049People’s Republic of China China University of Petroleum Beijing 102249People’s Republic of China Institute for Integrated Cell‑Material Sciences(iCeMS) Kyoto UniversitySakyo‑KuYoshidaKyoto 606‑8501Japan

Ammonia(NH3)is a carbon-free,hydrogen-rich chemical related to global food safety,clean energy,and environmental *** an essential technology for meeting the requirements raised by such issues,NH3 capture has been intensively explored by researchers in both fundamental and applied *** four typical methods used are(1)solvent absorption by ionic liquids and their derivatives,(2)adsorption by porous solids,(3)abadsorption by porous liquids,and(4)membrane *** in the development of advanced materials for NH3 capture,we conducted a coherent review of the design of different materials,mainly in the past 5 years,their interactions with NH3 molecules and construction of transport pathways,as well as the structure–property relationship,with specific examples ***,the challenges in current research and future worthwhile directions for NH3 capture materials are proposed.

关键词： Ammonia capture Solvents Porous solids Porous liquids Membranes

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Effect of Size Change on Mechanical Properties of Monolayer Arsenene

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Journal of Wuhan University of Technology(Materials Science) 2024年第1期39卷 206-212页

作者：郭娟刘贵立孙震宇 School of Architecture and Civil Engineering Shenyang University of TechnologyShenyang 110870China

The young's modulus, shear modulus and Poisson's ratio of monolayer arsenene with different sizes were calculated by finite element method, so as to explore the influence of dimension and orientation on the mechanical properties of monolayer arsenene. The calculation results show that the small size has a significant effect on the mechanical properties of the monolayer arsenene. The smaller the size, the larger the young's modulus and Poisson's ratio of the monolayer arsenene. The size change has a great influence on the young's modulus of the arsenene handrail direction, and the young's modulus of the zigzag direction is not sensitive to the size change. Similarly, the size change has a significant effect on the shear modulus of arsenene in the handrail direction, while the shear modulus in the zigzag direction has no significant effect on its size change. For the Poisson's ratio, the situation is just the opposite, and the effect of the size change on the Poisson's ratio of the arsenene zigzag direction is greater than that of the handrail direction.

关键词： finite element method arsenene size change mechanical properties

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ZNF554 Inhibits Endometrial Cancer Progression via Regulating RBM5 and Inactivating WNT/β-Catenin Signaling Pathway

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Current Medical Science 2024年第2期44卷 406-418页

作者： Cheng-cheng ZHU Heng-liang sun Teng-fei LONG Yuan-yuan LYU Jiang-li LIU Guan-tai NI Anhui Medical University Hefei 230032China Department of Obstetrics and Gynecology The First Affiliated Hospital of Wannan Medical CollegeWuhu 241001China

Objective:Uterine corpus endometrial carcinoma(UCEC),a kind of gynecologic malignancy,poses a significant risk to women’s *** precise mechanism underlying the development of UCEC remains *** finger protein 554(ZNF554),a member of the Krüppel-associated box domain zinc finger protein superfamily,was reported to be dysregulated in various illnesses,including malignant *** study aimed to examine the involvement of ZNF554 in the development of ***:The expression of ZNF554 in UCEC tissues and cell lines were examined by qRT-PCR and Western blot *** with stably overexpressed or knocked-down ZNF554 were established through lentivirus ***-8,wound healing,and Transwell invasion assays were employed to assess cell proliferation,migration,and *** iodide(PI)staining combined with fluorescence-activated cell sorting(FACS)flow cytometer was utilized to detect cell cycle ***-PCR and Western blotting were conducted to examine relative mRNA and protein *** immunoprecipitation assay and luciferase reporter assay were used to explore the regulatory role of ZNF554 in RNA binding motif 5(RBM5).Results:The expression of ZNF554 was found to be reduced in both UCEC samples and cell *** expression of ZNF554 was associated with higher tumor stage,decreased overall survival,and reduced disease-free survival in ***554 overexpression suppressed cell proliferation,migration,and invasion,while also inducing cell cycle *** contrast,a decrease in ZNF554 expression resulted in the opposite ***,ZNF554 transcriptionally regulated RBM5,leading to the deactivation of the Wingless(WNT)/β-catenin signaling ***,the findings from rescue studies demonstrated that the inhibition of RBM5 negated the impact of ZNF554 overexpression onβ-catenin and p-glycogen synthase kinase-3β(p-GSK-3β).Similarly,the deliberate activation of RBM5 reduced the increase inβ-catenin and

关键词： zinc finger protein 554 endometrial carcinoma RNA binding motif 5 Wingless/β-catenin signaling pathway

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Allelopathic potentials of surrounding vegetation on seedling establishment of alpine cushion Arenaria polytrichoides

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Journal of Plant Ecology 2024年第2期17卷 146-160页

作者： Xu-Fang Chen Li-Shen Qian Hong-Hua Shi Ya-Zhou Zhang Min-Shu Song Hang sun Jian-Guo Chen Key Laboratory for Plant Diversity and Biogeography of East Asia Kunming Institute of BotanyChinese Academy of SciencesKunming 650201YunnanChina University of Chinese Academy of Sciences Beijing 101408China

When facilitating other species and sustaining plant community structures and biodiversity,alpine cushion plants simultaneously experience negative feedback effects from surrounding ***,the impact of surrounding vegetation on cushion dynamics remains poorly understood,particularly in terms of allelopathic *** investigate the allelopathic potentials of surrounding vegetation on seedling establishment of the typical cushion plant Arenaria polytrichoides *** an elevational gradient,we extracted potential allelopathic compounds and tested their impacts on seed germination and seedling growth of *** addition,exclusion experiments using activated carbon were conducted to further elucidate these *** results demonstrate that surrounding vegetation exhibits certain allelopathic potentials on *** seedling establishment,with variations observed based on elevation,source and concentration of allelopathy compounds,as well as growing ***,low-elevation vegetation exerts pronounced suppression on seedling ***,higher-elevation vegetation generally shows no effect on seed germination but stimulates seedling growth through allelopathy ***,aboveground vegetation predominantly inhibits both seed germination and seedling growth in low-elevation communities;however,the effects of belowground vegetation depend on elevation and extract concentration *** identifed allelopathic potentials of surrounding vegetation signifcantly infuence the population dynamics of cushion *** by potentially accelerating population degeneration in lower-elevation communities while ensuring consistent population recruitment and expansion in higher-elevation communities.

关键词： allelopathic potential community dynamic cushion plant seed germination seedling growth

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Exploration of the Current Situation and Mechanism Innovation of University Education Management under the New Situation

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Journal of Contemporary Educational Research 2024年第10期8卷 220-226页

作者： Yuanfei Xue Minna sun Shenzhen Polytechnic University Shenzhen 518055Guangdong ProvinceChina Beijing Key Laboratory for Sensors Beijing Information Science&Technology UniversityBeijing 100192China

In the new era,university education management should be oriented toward the cultivation of innovative talents and the construction of a comprehensive education *** should develop capable and qualified higher-level talents in response to the social demand for talent application,thereby enhancing the overall educational competitiveness of universities and driving deep reforms in educational ***,in current educational practice,efficient educational management often focuses on curriculum development and cultural education,with insufficient attention paid to the development of students’comprehensive *** talent cultivation and education programs are not yet *** article explores the current situation of university education management activities under the new situation and considers practical methods for innovating university education management mechanisms.

关键词： University education management New situation Talent cultivation

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Behaviour of Trichloroethylene Decomposition in a Plasma-Catalytic Combined Process

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Plasma Science and Technology 2006年第6期8卷 661-665页

作者： young sun MOK Department of Chemical Engineering Cheju National UniversityJeju 690-756South Korea

A nonthermal plasma processing combined with Cr2O3/TiO2 catalyst was applied to the decomposition of trichloroethylene （TCE）. A dielectric barrier discharge reactor was used as the nonthermal plasma reactor. The effects of the reaction temperature and input power on the decomposition of TCE and the formation of byproducts including HCl, Cl2, CO, NO, NO2 and O3 were examined. With an identical input power, the increase in the reactor temperature lowered the decomposition of TCE. The presence of the catalyst downstream the plasma reactor not only enhanced the decomposition of TCE but also affected the distribution of byproducts significantly. However any synergetic effect as a result of the combination of the nonthermal plasma with the catalyst was not observed, i.e., the TCE decomposition ei^ciency in the plasma- catalyst combined system was almost similar to the sum of those obtained with each process. To improve the decomposition of TCE argon as a plasma-assisting gas was added to the feeding gas and a large enhancement in the TCE decomposition was achieved.

关键词： nonthermal plasma catalyst decomposition trichloroethylene byproducts argon

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A neuromorphic device mimicking synaptic plasticity under different body fluid K^(+) homeostasis for artificial reflex path construction and pattern recognition

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Fundamental Research 2024年第2期4卷 353-361页

作者： Lu Yang Yao Ni Chengpeng Jiang Lu Liu Song Zhang Jiaqi Liu Lin sun Wentao Xu Institute of Photoelectronic Thin Film Devices and Technology Key Laboratory of Optoelectronic Thin Film Devices and Technology of TianjinEngineering Research Center of Thin Film Photoelectronic TechnologyMinistry of EducationNankai UniversityTianjin 300350China Shenzhen Research Institute of Nankai University Shenzhen 518000China

The ionic environment of body fluids influences nervous functions for maintaining homeostasis in organisms and ensures normal perceptual abilities and reflex *** reflex activities,such as limb movements,are closely associated with potassium ions(K+).In this study,we developed artificial synaptic devices based on ion concentration-adjustable gels for emulating various synaptic plasticities under different K+concentrations in body *** addition to performing essential synaptic functions,potential applications in information processing and associative learning using short-and long-term plasticity realized using ion concentration-adjustable gels are *** synaptic devices can be used for constructing an artificial neural pathway that controls artificial muscle reflex activities and can be used for image pattern *** tests show a strong relationship with ion *** devices could be applied to neuromorphic robots and human-machine interfaces.

关键词： Nervous regulation Artificial synaptic device Ion gel Ion homeostasis Artificial reflex pathway

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Protein-activated atomic layer deposition for robust crude-oil-repellent hierarchical nano-armored membranes

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Science Bulletin 2024年第2期69卷 218-226页

作者： Xiaobin Yang Pan sun Yajie Wen Anil U.Mane Jeffrey W.Elam Jun Ma Shaomin Liu Seth B.Darling Lu Shao MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage State Key Laboratory of Urban Water Resource and EnvironmentSchool of Chemistry and Chemical EngineeringHarbin Institute of TechnologyHarbin 150001China Chemical Sciences and Engineering Division Argonne National LaboratoryLemont IL 60439USA Applied Materials Division Argonne National LaboratoryLemont IL 60439USA Advanced Materials for Energy-Water Systems Energy Frontier Research Center Argonne National LaboratoryLemont IL 60439USA Pritzker School of Molecular Engineering University of ChicagoChicago IL 60637USA Department of Physics University of Ilinois at ChicagoChicago IL 60607USA School of Environment Harbin Institute of TechnologyHarbin 150090China WA School of Mines:Minerals Energy and Chemical EngineeringCurtin UniversityPerth WA 6845Australia

Atomic layer deposition(ALD)offers unique capabilities to fabricate atomically engineered porous materials with precise pore tuning and multi-functionalization for diverse applications like advanced membrane separations towards sustainable energy-water ***,current ALD technique is inhibited on most non-polar polymeric membranes due to lack of accessible nucleation ***,we report a facile method to efficiently promote ALD coating on hydrophobic surface of polymeric membranes via novel protein activation/*** a proof of concept,TiO2 ALD-coated membranes activated by bovine serum albumin exhibit remarkable superhydrophilicity,ultralow underwater crude oil adhesion,and robust tolerance to rigorous environments including acid,alkali,saline,and *** importantly,excellent cyclable crude oil-in-water emulsion separation performance can be *** mechanism for activation/sensitization is rooted in reactivity for a particular set of amino ***,the universality of protein-sensitized ALD is demonstrated using common egg white,promising numerous potential usages in biomedical engineering,environmental remediation,lowcarbon manufacturing,catalysis,and beyond.

关键词： Membrane separation Atomic layer deposition Water treatment Antifouling

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Decadal shifts in Qingzang Plateau lake carbon dynamics (1970-2020): From predominant carbon sources to emerging sinks

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Environmental Science and Ecotechnology 2024年第5期21卷 123-132页

作者： Di Shen Yu Li Yafeng Wang Shouliang Huo Yong Liu Junjie Jia Shuoyue Wang Kun sun Yang Gao College of Earth and Environment Science Lanzhou UniversityLanzhou730000PR China State Key Laboratory of Tibetan Plateau Earth System Environment and Resources(TPESER)Institute of Tibetan Plateau ResearchChinese Academy of SciencesBeijing100101PR China Chinese Research Academy of Environmental Sciences Beijing100012PR China College of Environmental Sciences and Engineering Peking UniversityBeijing1008714PR China Key Laboratory of Ecosystem Network Observation and Modeling Institute of Geographic Sciences and Natural Resources ResearchChinese Academy of SciencesBeijing100101PR China College of Resources and Environment University of Chinese Academy of SciencesBeijing100049PR China

The evasion of carbon dioxide(CO_(2))from lakes significantly influences the global carbon *** global climatic transformations,the role of Qingzang Plateau(QZP)lakes as carbon(C)sources or sinks remains a subject of ***,accurately quantifying their contribution to the global carbon budget presents a formidable ***,spanning half a century(1970e2020),we utilize a synthesis of literature and empirical field data to assess the CO_(2) exchange flux of QZP *** find markedly higher CO_(2) exchange flux in the southeast lakes than that in the northern and western regions from 1970 to *** this time,both freshwater and saltwater lakes served primarily as carbon *** annual CO_(2) exchange flux was estimated at 2.04±0.37 Tg(Tg)C yr1,mainly influenced by temperature *** CO_(2) exchange flux patterns underwent a geographical inversion between 2000 and 2020,with increased levels in the west and decreased levels in the ***,CO_(2) emissions from freshwater lakes diminished,and certain saltwater lakes in the QTP transitioned from carbon sources to *** 2000 to 2020,the annual CO_(2) exchange flux from QZP lakes is estimated at 1.34±0.50 Tg C yr1,with solar radiation playing a more pronounced role in carbon ***,over the past five decades,QZP lakes have generally functioned as carbon ***,the total annual CO_(2) emissions have declined since the year 2000,indicating a potential shift trend from being a carbon source to a sink,mirroring broader patterns of global climate *** findings not only augment our understanding of the carbon cycle in plateau aquatic systems but also provide crucial data for refining China's carbon budget.

关键词： Carbon source Carbon sink Carbon exchange flux Qingzang Plateau Global climate change

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