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Rapid synthesis of oxygen-defected molybdenum oxides quantum dots as efficient nanozymes for healing diabetic ulcers

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Nano Research 2024年第7期17卷 6376-6385页

作者： Fangjun Cao hui feng Jiaxin Yao Xiang Hou Tiezhi Jin Junfeng hui Shaanxi Key Laboratory of Qinling Ecological Security Shaanxi Institute of ZoologyXi’an 710072China Engineering Research Center of Western Resource Innovation Medicine Green Manufacturing Ministry of EducationSchool of Chemical EngineeringNorthwest UniversityXi'an 710069China Shaanxi Key Laboratory of Degradable Biomedical Materials and Shaanxi R&D Center of Biomaterials and Fermentation Engineering School of Chemical EngineeringNorthwest UniversityXi'an 710069China

The continuous inflammatory response in diabetic skin wounds leads to excessive production of reactive oxygen species,which cause a vicious circle of long-term *** the therapeutic research of metal nanoenzymes for healing diabetic ulcers,it still faces the challenges in poor nanoenzymes activity and low-efficient therapeutic ***,ultrasmall oxygen-deficient MoO_(3−X)quantum dots were fabricated and employed as nanoenzymes for healing fiabetic *** PEGylation,PEGylated MoO_(3−X)quantum dots(MoO_(3−X)/PEG)with oxygen vacancies exhibits excellent photothermal,peroxidase/catalase-like *** addition,these MoO_(3−X)/PEG showed superior properties in scavenging H_(2)O_(2)and effectively inhibiting the scavenging of reactive oxygen *** importantly,such an oxygen-defected MoO_(3−X)/PEG had obvious antibacterial and skin repairing effects on alleviating hypoxia and excessive oxidative stress even in a mouse model of diabetic ulcers,inhibiting proinflammatory cytokines and significantly accelerating the healing of infected wounds,which shows great application potential for promoting wound *** work highlights that the developed oxygen defected molybdenum oxide compounds capable of peroxidaselike and catalase-like activities show great application potential for healing diabetes wound.

关键词： oxygen-defected molybdenum-based nanoenzymes antioxidant anti-inflammatory diabetes ulcer wounds

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Contributors to tidal duration asymmetry with varied coastline configurations on western shelf of Yellow Sea

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Water Science and Engineering 2024年第1期17卷 1-12页

作者： Xi feng Zheng Li hui feng Jia-yan Yang Shou-peng Xie Wei-bing feng College of Harbor.Coastal and Offshore Engineering Hohai UniversityNanjing 210098China China Harbour Engineering Co. LtdBeijing 100027China Key Laboratory of Port Waterway and Sedimentation Engineering of the Ministry of CommunicationsNanjing 210029China China South-to-North Water Diversion Corporation Limited Beijing 100036China

Coastal management in China is confronted with an urgent choice between natural restoration and maintenance of existing seawalls and reclaimed land for economic development.A key criterion for making this decision is the resilience to coastal flooding,which depends on the ability to predict tidal *** duration asymmetry(TDA)is a key parameter in determination of the arrival and duration of flood *** study selected the western inner shelf of the Yellow Sea(WYS)as the study area and investigated the responses of TDA to different shoreline configurations and relative sea level *** responses of TDA to shoreline reconstruction yielded spatial variability locally and *** the nearshore area,the responses of TDA to the complex ocean environment mainly originated from the combined functions of reflection,bottom friction,and advection,which controlled the energy transfer from M2 or S2 constituents to their overtides or compound *** sensitivity of TDA to coastline typologies was not limited to coastal waters but could stretch over the entire inner *** vulnerability of tidal responses was due to the displacement of the M2 amphidrome of the Kelvin wave on the WYS,which in turn changed tidal energy fluxes over the *** relative sea level rise could intensify the feedback of TDA to seawalls and land reclamation.

关键词： Tidal duration asymmetry Western inner shelf of Yellow Sea Natural restoration Relative sea level rise Tidal amphidrome

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A case of Rickettsia felis infection-induced encephalitis in a pregnant woman

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World Journal of Emergency Medicine 2024年第2期15卷 150-152页

作者： Jinghua Qiu hui feng Lijun Liu Jianjun Zhu Department of Emergency and Critical Care Medicine the Second Affiliated Hospital of Soochow UniversitySuzhou 215004China

Rickettsia felis is an exclusively cytozoic Gram-negative prokaryote with cat fleas as the major vectors.[1]As early as 1918,Rickettsia felis was detected in cat fleas in Europe and named Rickettsia ctenocephali.[2]Symptoms of fever,malaise,headache,maculopapular rash and eschar are observed in patients with Rickettsia felis infection.

关键词： encephalitis headache infection

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Buckling Properties of Water-Drop-Shaped Pressure Hulls with Various Shape Indices Under Hydrostatic External Pressure

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China Ocean Engineering 2024年第1期38卷 1-17页

作者： DING Xiao-de ZHANG Jian WANG Fang JIAO hui-feng WANG Ming-lu School of Mechanical Engineering Jiangsu University of Science and TechnologyZhenjiang 212003China Shanghai Engineering Research Center of Marine Renewable Energy College of Engineering Science and Technol-ogyShanghai Ocean UniversityShanghai 201306China China Ship Scientific Research Center Wuxi 214082China

The water-drop-shaped pressure hull has a good streamline,which has good application prospect in the underwater ***,this study conducted analytical,experimental and numerical investigation of the buckling properties of water-drop-shaped pressure hulls under hydrostatic pressure.A water-drop experiment was conducted to design water-drop-shaped pressure hulls with various shape *** critical loads for the water-drop-shaped pressure hulls were resolved by using Mushtari’s *** numerical simulations including linear buckling analysis and nonlinear buckling analysis including eigenmode imperfections were *** results indicated that the critical loads resolved by Mushtari's formula were in good agreement with the linear buckling loads from the numerical *** formula can be extended to estimate the buckling capacity of water-drop-shaped pressure *** addition,three groups of pressure hulls were fabricated by using stereolithography,a rapid prototyping ***,three groups of the pressure hulls were subjected to ultrasonic measurements,optical scanning,hydrostatic testing and numerical *** experimental results were consistent with the numerical *** results indicate that the sharp end of the water-drop-shaped pressure hulls exhibited instability compared with the blunt *** paper provides a new solution to the limitations of experimental studies on the water-drop-shaped pressure hulls as well as a new configuration and evaluation method for underwater observatories.

关键词： buckling pressure hull water drop underwater observatory

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Jejunal sarcomatoid carcinoma:A case report and review of literature

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World Journal of Gastrointestinal Oncology 2024年第8期16卷 3723-3731页

作者： Qian feng Wei Yu Jing-hui feng Qiao Huang Gui-Xiang Xiao The First College of Clinical Medical Science China Three Gorges UniversityYichang 443000Hubei ProvinceChina Department of Oncology Yichang Central People's HospitalYichang 443000Hubei ProvinceChina Institute of Pathology Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430022Hubei ProvinceChina

BACKGROUND Sarcomatoid carcinoma(SCA)of the jejunum is a rare and aggressive neoplasm affecting the smooth muscle cells of the *** study presents a recent case of jejunal SCA,detailing its diagnosis and treatment,thereby providing a reference for clinical *** SUMMARY A 65-year-old male presented to Yichang Central People's Hospital with a chief complaint of hemorrhoids.A computed tomography(CT)scan incidentally revealed multiple abnormal signals in the *** positron emission tomography/CT at Wuhan Union Hospital indicated malignant tumor progression,with a primary duodenal tumor and multiple metastases in the upper left ***,a large tumor was identified on the *** and immunohistochemical analyses of the resected specimen confirmed the diagnosis of jejunal *** patient received a combination therapy of sintilimab,nanoparticle albumin-bound paclitaxel,and ***-up imaging demonstrated significant reduction of hepatic and peritoneal *** patient has remained stable for over one year *** This case suggests that chemotherapy,immunotherapy,plus targeted therapy may represent an optimal treatment for intestinal SCA,meriting further investigation.

关键词： Jejunal sarcomatoid carcinoma Targeted therapy Immunotherapy Chemotherapy Case report

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Meta-analysis of factors influencing anterior knee pain after total knee arthroplasty

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World Journal of Orthopedics 2024年第2期15卷 180-191页

作者： hui feng Ming-Li feng Jing-Bo Cheng Xiang Zhang Hai-Cheng Tao Department of Orthopaedic Surgery Xuanwu HospitalCapital Medical UniversityBeijing 100053China

BACKGROUND Total knee arthroplasty(TKA)is a mature procedure recommended for correcting knee osteoarthritis deformity,relieving pain,and restoring normal *** TKA is a successful and cost-effective procedure,patient dissatisfaction is as high as 50%.Knee pain after TKA is a significant cause of patient dissatisfaction;the most common location for residual pain is the anterior *** 4%and 40%of patients have anterior knee pain(AKP).AIM To investigate the effect of various TKA procedures on postoperative *** We searched PubMed,EMBASE,and Cochrane from January 2000 to September *** controlled trials with one intervention in the experimental group and no corresponding intervention(or other interventions)in the control group were *** researchers independently read the title and abstract of the studies,preliminarily screened the articles,and read the full text in detail according to the selection *** were resolved by consultation with a third *** relevant data from the included studies were extracted and analyzed using Review Manager 5.4 *** There were 25 randomized controlled trials;13 were comparative studies with or without patellar *** meta-analysis showed no significant difference between the experimental and control groups(P=0.61).Six studies were comparative studies of circumpatellar denervation vs non-denervation,divided into three subgroups for *** two-subgroup meta-analysis showed no significant difference between the experimental and the control groups(P=0.31,P=0.50).One subgroup meta-analysis showed a significant difference between the experimental and control groups(P=0.001).Two studies compared fixed-bearing TKA and mobile-bearing TKA;the results meta-analysis showed no significant difference between the experimental and control groups(P=0.630).Two studies compared lateral retinacular release vs non-release;the meta-analysis showed a signi

关键词： Total knee arthroplasty Anterior knee pain Knee osteoarthritis Interventions Meta-analysis

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Crossed renal ectopia with rectal cancer:A case report

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World Journal of Clinical Cases 2024年第12期12卷 2122-2127页

作者： Zhen-Wei Tang hui-feng Yang Zhao-Yu Wu Chang-You Wang Department of General Surgery North China University of Science and Technology Affiliated HospitalTangshan 063000Hebei ProvinceChina

BACKGROUND Crossed renal ectopia(CRE)occurs when one kidney crosses the midline from the primary side to the contralateral side while the ureter remains on the primary *** cancer,one of the most common malignant tumors of the digestive tract,refers to cancer from the dentate line to the rectosigmoid *** concurrent presentation of CRE alongside rectal cancer is an uncommon clinical *** SUMMARY Herein,we report a 69-year-old male patient with rectal cancer who was diagnosed with CRE via computed tomography during *** thorough preoperative evaluations,the patient underwent Dixon *** We performed laparoscopic radical resection of rectal cancer and adequate lymph node removal in a patient with CRE with no postoperative discomfort.

关键词： Rectal cancer Crossed renal ectopia Anatomy Laparoscopic surgery Case report

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基于土地利用/覆被动态变化的粤港澳大湾区碳储量评价与预测

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环境科学 2024年第4期45卷 2321-2331页

作者：郑慧玲郑辉峰中国海洋大学海洋地球科学学院青岛266100 中国人民解放军93617部队北京101400

土地利用/覆被变化会增加区域碳储量或引发碳损耗,进而影响全球气候.研究湾区土地利用与碳储量变化的影响机制,对区域生态系统保护及社会经济可持续发展具有重要意义.基于InVEST模型和PLUS模型,分析了粤港澳大湾区土地利用与碳储量的动... 详细信息

土地利用/覆被变化会增加区域碳储量或引发碳损耗,进而影响全球气候.研究湾区土地利用与碳储量变化的影响机制,对区域生态系统保护及社会经济可持续发展具有重要意义.基于InVEST模型和PLUS模型,分析了粤港澳大湾区土地利用与碳储量的动态变化特征及影响机制,进一步模拟预测了2030年3种发展情景(自然趋势情景、建设用地优先情景和生态优先情景)下土地利用类型变化对碳储量的影响.结果表明:(1)2000~2020年粤港澳大湾区的耕地(减少5.38%)和建设用地(增加8.68%)变化最显著,其余用地类型的变化较小.林地作为大湾区的主要用地类型,同样也是重要的碳库,空间上集中分布于东、北、西三面的台地和丘陵地区,碳储存低值区集中于中部平原,以建设用地为主.(2)受不同用地类型相互转化的影响,粤港澳大湾区的碳损失了20.12×10^(6) Mg.耕地和林地面积的减少以及建设用地面积的增加是碳损耗的主要原因.(3)模拟研究发现生态保护措施将有效提高区域碳储量.具体来说,当耕地、林地和草地向建设用地的转化减少20%,湿地和水体向建设用地的转化减少30%时(生态优先情景),区域碳储量可增加2.58×10^(6) Mg.研究结果可以为土地利用和城市发展规划的制定提供理论依据,促进粤港澳大湾区“碳达峰碳中和”目标的实现.

关键词：土地利用/覆被(LULC) 碳储量 InVEST模型 PLUS模型粤港澳大湾区(GBA)

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Origin and evolution of a new tetraploid mangrove species in an intertidal zone

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Plant Diversity 2024年第4期46卷 476-490页

作者： hui feng Achyut Kumar Banerjee Wuxia Guo Yang Yuan Fuyuan Duan Wei Lun Ng Xuming Zhao Yuting Liu Chunmei Li Ying Liu Linfeng Li Yelin Huang State Key Laboratory of Biocontrol and Guangdong Provincial Key Laboratory of Plant Resources School of Life SciencesSun Yat-sen UniversityGuangzhou 510275GuangdongChina Department of Bioengineering Zhuhai Campus of Zunyi Medical UniversityZhuhai 519041GuangdongChina China-ASEAN College of Marine Sciences Xiamen University MalaysiaSepang 43900SelangorMalaysia School of Agriculture Sun Yat-sen UniversityShenzhen 518107GuangdongChina School of Ecology Sun Yat-sen UniversityShenzhen 518107GuangdongChina

Polyploidy is a major factor in the evolution of plants,yet we know little about the origin and evolution of polyploidy in intertidal *** study aimed to identify the evolutionary transitions in three truemangrove species of the genus Acanthus distributed in the Indo-West Pacific *** this purpose,we took an integrative approach that combined data on morphology,cytology,climatic niche,phylogeny,and biogeography of 493 samples from 42 geographic *** results show that the Acanthus ilicifolius lineage distributed east of the Thai-Malay Peninsula possesses a tetraploid karyotype,which is morphologically distinct from that of the lineage on the west *** haplotype networks and phylogenetic trees for the chloroplast genome and eight nuclear genes reveal that the tetraploid species has two sub-genomes,one each from *** and ***,the paternal and maternal parents,*** structure analysis also supports the hybrid speciation history of the new tetraploid *** two sub-genomes of the tetraploid species diverged from their diploid progenitors during the *** niche models revealed that the tetraploid species not only occupied the near-entire niche space of the diploids,but also expanded into novel *** findings suggest that *** species distributed on the east side of the Thai-Malay Peninsula should be regarded as a new species,***,which originated from hybridization between *** and ***,followed by chromosome *** is the first report of a true-mangrove allopolyploid species that can reproduce sexually and clonally reproduction,which explains the long-term adaptive potential of the species.

关键词： Acanthus Allopolyploid Biogeography Evolution Hybridization Polyploidy

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公共利益、政府规制与实质法治

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政法论坛 2024年第2期42卷 132-141页

作者：冯辉对外经济贸易大学法学院

关于公共利益与政府规制的理论研究存在长久的争议和分歧。公共利益是包括国家机关、社会组织和个人在内的全体社会成员的共同利益,政府规制是以干预和监管为主要形式的政府治理行为。政府规制是公共利益超越理论争议并强化实践意义的关... 详细信息

关于公共利益与政府规制的理论研究存在长久的争议和分歧。公共利益是包括国家机关、社会组织和个人在内的全体社会成员的共同利益,政府规制是以干预和监管为主要形式的政府治理行为。政府规制是公共利益超越理论争议并强化实践意义的关键,公共利益应成为政府规制正当性的依据和判准。法治是促进政府规制遵循公共利益的保障,应从更侧重法律形式权威的形式法治向更强调法律实际效果的实质法治转变,推动实质法治成为社会主流价值观,促进政府规制强化利益平衡、精准规制与公共服务等理念和方法。

关键词：公共利益政府规制实质法治社会主流价值观

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