检索结果-南通市图书馆

Causality Between Gut Microbiota and Inflammatory Bowel Disease:A Bidirectional Mendelian Randomization Study

在线全文

学校读者我要写书评

暂无评论

Infectious Microbes & Diseases 2024年第2期6卷 93-99页

作者： Qi Zheng Yuetong li Jiali Ni Yong Huang Jiajun wu xiang Xu Guoping Sheng Lanjuan li State Key Laboratory for Diagnosis and Treatment of Infectious Diseases National Clinical Research Center for Infectious DiseasesNational Medical Center for Infectious DiseasesCollaborative Innovation Center for Diagnosis and Treatment of Infectious DiseasesThe First Affiliated HospitalZhejiang University School of MedicineHangzhouChina Key Laboratory of Artificial Organs and Computational Medicine in Zhejiang Province Shulan(Hangzhou)Hospital Affiliated to Shulan International Medical CollegeZhejiang Shuren UniversityHangzhouChina Zhejiang Chinese Medical University HangzhouChina

The exact relationship between inflammatory bowel disease(IBD)and gut microbiota(GM)is still *** study aimed to explore the cause-and-effect relationship between IBD and GM by Mendelian randomization *** IBD data used in this study were obtained from Genome-Wide Association *** GM data were from the Dutch Microbiome Project and included 207 taxa and 205 microbiota-associated *** Mendelian randomization analysis was performed to investigate the relationship between GM and *** results demonstrated that susceptibility to developing IBD is negatively correlated with class Clostridia(OR=0.80,P=0.003),family Sutterellacea(OR=0.87,P=0.014),genus Coprobacter(OR=0.90,P=0.009),order Clostridiales(OR=0.80,P=0.003),phylum Firmicutes(OR=0.82,P=0.002)and Coprobacter fastidiosus(OR=0.90,P=0.009).Conversely,the risk of developing IBD was positively correlated with the phosphopantothenate biosynthesis I pathway(OR=1.17,P=0.006),Bacteroides caccae(OR=1.14,P=0.021)and Bacteroides uniformis(OR=1.26,P=0.003).Reverse causality was found between the phosphopantothenate biosynthesis I pathway and IBD(OR=1.03,P=0.04),but not for the remaining specific GM *** conclusion,our study demonstrated a causal relationship between specific GM features and IBD.

关键词： gut microbiota inflammatory bowel disease Mendelian randomization

Microwave excited hyperthermy and catalysis of heterostructured Au/Cu–BTA for effective bacteria killing by accelerating charge separation

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Rare Metals 2024年第10期43卷 5186-5201页

作者： Wen-Jing Zhang li-Guo Jin Shui-lin wu Chao-Feng Wang Yu-Feng Zheng Zhao-Yang li Zhen-Duo Cui Hui Jiang Sheng-li Zhu xiang-Mei liu School of Materials Science and Engineering the Key Laboratory of Advanced Ceramics and Machining Technology by the Ministry of Education of ChinaTianjin University Biomedical Materials Engineering Research Center Hubei Key Laboratory of Polymer MaterialsMinistry-of-Education Key Laboratory for the Green Preparation and Application of Functional MaterialsSchool of Materials Science&EngineeringHubei University School of Materials Science and Engineering Peking University School of Health Science and Biomedical Engineering Hebei University of Technology

Deep tissue infections caused by pathogenic bacteria seriously threat the lives of *** this study a smart heterostructured Au/Cu-BTA （BTA=1,2,4,5-benzenetetramine） with microwave （MW） response is synthesized via NaBH4reduction of HAuCl4on the ***/Cu-BTA exhibits excellent hyperthermy and dynamics under MW *** MW thermal mechanism of Au/Cu-BTA is attributed to the excellen dielectric loss and polarization of the heterogeneous ***,the surface energy levels of the Cu-BTA interface alleviate the difficulty of electron hopping through multistage ***,MW can excite Cu-BTA to produce free ***,Au nanoparticles rapidly increase electron transfer and inhibit electron-hole ***,the yields of reactive oxygen species can be enhanced for MW dynamic therapy Consequently,under 10 min of MW irradiation,Au/Cu-BTA killed 99.998%±0.001% of Gram-positive Staphylococcus aureus,99.966%±0.014% of methicillin-resistant Staphylococcus aureus,and 96.871%±0.831% of Gram-negative Pseudomonas *** effective MW bacteria-killing strategy designed in this study shows significant potential for application in the MW-responsive treatment of deep tissue infections without antibiotics.

关键词： Anti-infection Antibacterial Microwave therapy

Influence mechanism of government subsidy on the green transformation of coal company in China

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

International Journal of Mining Science and Technology 2024年第7期34卷 1033-1040页

作者： Xiaolei li Changsong wu School of Management China University of Mining and Technology-BeijingBeijing 100083China School of Economics and Management China University of Mining and TechnologyXuzhou 221116China

The optimization of government subsidies to enhance the efficiency of coal companies’green transformation constitutes a critical component in the pursuit of global *** investigate the influence mechanism of government subsidies on the green transformation using data from the listed coal companies in China from 2007 to *** to our findings and hypothesis testing,previous government subsidies did not have a significant direct impact on coal companies’green ***,government subsidies can help coal companies transition to greener practices by promoting innovative green ***,we confirmed an indirect route:that government subsidies enable the adoption of low-carbon initiatives,which in turn could facilitate the transition of coal companies towards green *** addition,we discovered that the coal company’s digitization will improve this indirect ***,we propose increasing the effectiveness of government subsidies in facilitating coal companies’transition to green practices by focusing on technological advancements and enhancing company digitalization.

关键词： Government subsidy Green transformation Coal company Digitalization Innovation

Redox-Active Dihydrophenazine-Based Macrocycle:Synthesis,Conformation-Adaptive Behavior and Host-Guest Complexation with Tetracyanoquinodimethane

在线全文

学校读者我要写书评

暂无评论

Chinese Journal of Chemistry 2024年第16期42卷 1895-1900页

作者： Qiong-Yan Hong Bin Huang Meng-xiang wu lin Xu Xiao-li Zhao Xueliang Shi Hai-Bo Yang Shanghai Key Laboratory of Green Chemistry and Chemical Processes State Key Laboratory of Petroleum Molecular&Process EngineeringSchool of Chemistry and Molecular EngineeringEast China Normal University3663 N.Zhongshan RoadShanghai 200062China

A novel macrocycle based on conformation-adaptive and electron-rich dihydrophenazine was designed and *** the one hand,the macrocycle showed host-guest interactions with tetracyanoquinodimethane(TCNQ)driving by charge transfer interaction between ***,host-guest complexation was accompanied by fluorescence quenching and conformational change of the *** the other hand,the oxidation of the macrocycle resulted in its diradical cation analogue and induced the release of the guest molecule TCNQ,thereby accomplishing reversible binding ***,this work wellillustrates the chemical and structural versatility of dihydrophenazine in the synthesis of macrocycles and their host-guest chemistry.

关键词： Dihydrophenazine Macrocycle Conformational adaptation Redox-active Host-guest interactions Charge transfer interaction Organic radical Supramolecular chemistry

Alcohol-dispersed polymer complex as an effective and durable interface modifier for n-i-p perovskite solar cells

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Energy Chemistry 2024年第6期93卷 243-252,I0007页

作者： Chang Shi Jiangling li Shuping Xiao Ziyi Wang wuchen xiang Rui wu Yang liu Yinhua Zhou Weijun Ke Guojia Fang Pingli Qin Hubei Key Laboratory of Optical Information and Pattern Recognition Wuhan Institute of TechnologyWuhan 430205HubeiChina wuhan National Laboratory for Optoelectronics Huazhong University of Science and TechnologyWuhan 430074HubeiChina School of Physics and Technology Key Laboratory of Artificial Micro-and Nano-structures of the Ministry of Education and School of Physics and TechnologyWuhan UniversityWuhan 430072HubeiChina

Abundant interfacial defects remain a significant challenge that hampers both the efficiency and stability of perovskite solar cells(PSCs).Herein,an alcohol-dispersed conducting polymer complex,denoted as PEDOT:F(Poly(3,4-ethylene dioxythiophene):Perfluorinated sulfonic acid ionomers),is introduced into the interface between perovskite and hole transporting layer in regular-structured ***:F serves as a multi-functional interface layer(filling grain boundaries and covering perovskite's grain-surface)to achieve a robust interaction with organic groups within perovskites,which could induce a structural transformation of PEDOT to increase its conductivity for the efficient ***,the strong interaction between PEDOT and perovskites could promote an effective coupling of undercoordinated Pb~(2+)ions with the lone electron pairs near O&S atoms in PEDOT molecules,thereby enhancing defect ***,PEDOT:F with inherent hydrophobic properties prevents effectively moisture invasion into perovskites for the improved long-term stability of the ***,the PEDOT:F-based PSCs achieved a champion efficiency of 24.81%,and maintained ca.92%of their initial efficiency after 7680 h of storage in a dry air environment,accompanied by the enhanced photothermal stability.

关键词： Alcohol-dispersed conducting polymer complex Interface passivation Grain boundaries Device stability Perovskite solar cells

Enhancing alkyne semi-hydrogenation through engineering metal-support interactions of Pd on oxides

在线全文

学校读者我要写书评

暂无评论

Nano Research 2024年第5期17卷 3707-3713页

作者： Yuefeng wu Xiaotong Lu Pengfei Cui Wenyu Jia Jun Zhou Yuan Wang Hussain Zahid Yuxin wu Muhammad Umer Rafique Xiong Yin Baoshan li Leyu Wang Guolei xiang State Key Laboratory of Chemical Resource Engineering Beijing University of Chemical TechnologyBeijing 100029China CAS Key Laboratory of Science and Technology on Applied Catalysis Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023China College of Chemical Engineering Beijing University of Chemical TechnologyBeijing 100029China

Supported Pd catalysts show superior activities for olefin productions from alkynes through semi-hydrogenation reactions,but over-hydrogenation into alkanes highly decreases olefin *** phenylacetylene semi-hydrogenation as a model reaction,here we explore the optimization approaches toward better Pd catalysts for alkyne semi-hydrogenation through investigating support effect and metal-support *** results show that the states of Pd with supports can be tuned by varying oxide reducibility,loading ratios,and *** our system,0.06 wt.%Pd on rutile-TiO_(2) nanorods shows the highest activity owing to the synergistic effects of single-atoms and *** reducibility can change the filling degrees of Pd 4d orbitals through varying interfacial bonding strengths,which further affect catalytic activity and selectivity.

关键词： alkyne semi-hydrogenation support effect metal-support interaction Pd catalyst single-atom catalyst

Advancing from scalar to vectorial liquid crystal holography:a paradigm shift

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

light(Science & Applications) 2024年第9期13卷 1696-1697页

作者： Yan li Shin-Tson wu Department of Electronic Engineering Shanghai Jiao Tong UniversityShanghai 200240China College of Optics and Photonics University of Central FloridaOrlandoFL 32816USA

A versatile and tunable vectorial holography is demonstrated based on single-layer single-material liquid crystal *** novel approach advances the process from scalar to vectorial holography,opening new opportunities f... 详细信息

关键词： liquid crystal versatile

Structural Stability of Natural Magnesiochromite at High-Temperature-Pressure Conditions

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Journal of Earth Science 2024年第4期35卷 1196-1203页

作者： Shuyu Jin xiang wu Yungui liu Yanfei Zhang Chao Wang State Key Laboratory of Geological Processes and Mineral Resources China University of GeosciencesWuhan430074China College of Gems and Materials Hebei GEO UniversityShijiazhuang050031China

The podiform chromitites in the Luobusha ophiolite have been thought to experience a very deep formation,but the maximum depth is still an open ***,we have investigated the structural stability of natural magnesiochromite using the synchrotron-based powder X-ray diffraction and diamond anvil cells up to 48.6 GPa and 2450 *** results have shown that spinel-type magnesiochromite first decomposes into corundum-type‘Cr_(2)O_(3)’+B1-type‘MgO’at 11–14 GPa and 1250–1450 K,then modified ludwigite(mLd)-type‘Mg_(2)Cr_(2)O_(5)’+corundum-type‘Cr_(2)O_(3)’at 14.3–20.5 GPa and 1300–2000 K,and finally CaTi_(2)O_(4)-type phase at 24.5 *** the quenching procession from high-temperature-pressure conditions,the mLd-type phase appeared again and was kept at ambient *** also obtained the isothermal equation states of spinel-type and CaTi_(2)O_(4)-type phases,revealing the composition effect on their *** on the updated results,we propose chromitites could not experience pressure exceeding∼14.3 GPa(approximate maximum depth∼400 km)in the subduction-recycling genesis model.

关键词： chromite high-temperature and high-pressure phase transitions equation of state chromitites genesis

基于双层阿基米德螺线的表面等离激元涡旋产生方法

在线全文

学校读者我要写书评

暂无评论

物理学报 2019年第23期68卷 94-100页

作者：吴立祥李鑫杨元杰电子科技大学物理学院

利用金属超表面结构可以激发表面等离激元涡旋光,由于表面等离激元可以突破衍射极限以及具有很强的场增强效应这两个特性,因而可以设计微纳级别的光学芯片来激发涡旋光.本文提出了一种产生涡旋光的双层阿基米德螺线分布的矩形纳米孔阵列... 详细信息

利用金属超表面结构可以激发表面等离激元涡旋光,由于表面等离激元可以突破衍射极限以及具有很强的场增强效应这两个特性,因而可以设计微纳级别的光学芯片来激发涡旋光.本文提出了一种产生涡旋光的双层阿基米德螺线分布的矩形纳米孔阵列,通过理论分析与FDTD仿真验证相结合的研究方法,发现可以通过调节入射圆偏振光的手性、内外两层螺线之间的距离、纳米孔阵列的旋转变化速度因子、螺线的段数以及螺距这五个参数,改变所产生的表面等离激元涡旋光的拓扑荷数.这种结构由于可以调控的参数多,自由度大,因此可以十分方便地对表面等离激元涡旋光进行调控.

关键词：超表面结构表面等离激元涡旋光拓扑荷数