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Rapid and effective treatment of chronic osteomyelitis by conductive network-like MoS2/CNTs through multiple reflection and scattering enhanced synergistic therapy

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Bioactive Materials 2024年第1期31卷 284-297页

作者： Liguo Jin Shuilin Wu Congyang Mao Chaofeng Wang Shengli Zhu Yufeng Zheng Yu Zhang Zhaoyang Li Zhenduo Cui Hui Jiang Xiangmei Liu School of Materials Science&Engineering The Key Laboratory of Advanced Ceramics and Machining Technology By the Ministry of Education of ChinaTianjin UniversityTianjin300072China 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&EngineeringState Key Laboratory of Biocatalysis and Enzyme EngineeringHubei UniversityWuhan430062China School of Materials Science&Engineering Peking UniversityBeijing100871China School of Health Science&Biomedical Engineering Hebei University of TechnologyTianjin300401China Department of Orthopedics Guangdong Provincial People’s HospitalGuangdong Academy of Medical SciencesGuangzhou510080China

Staphylococcus aureus(***)-infected chronic osteomyelitis(COM)is one of the most devastating infectious diseases with a high recurrence rate,often leading to amputation and even *** is incurable by all the current strategies involving the clinical use of radical debridement and systemic intravenous ***,we reported on a microwave(MW)-assisted therapy for COM by constructing a heterojunction formed by flake nanoflower-shaped molybdenum disulfide(MoS2)and tubular carbon nanotubes(CNTs).This composite could achieve a combination of MW thermal therapy(MTT)and MW dynamic therapy(MDT)to accurately and rapidly treat COM with deep tissue *** vitro and in vivo experiments showed that MoS2/CNTs were effective in non-invasively treating ***-induced COM due to the heat and reactive oxygen species(ROS)produced under MW *** mechanism of heat and ROS generation was explained by MW network vector analysis,density of states(DOS),oxygen adsorption energy,differential charge and finite element(FEM)under MW *** the Fermi layer was mainly contributed by the Mo-4d and C-2P orbitals,MoS2/CNTs could store a large amount of charge and easily release more *** addition,charge accumulation and dissipation motion were strong on the surface of and inside MoS2/CNTs because of electromagnetic hot spots,resulting in the spilling out of a great deal of high-energy *** to the low oxygen adsorption energy of MoS2/CNTs-O2,these high-energy electrons combined further with the adsorbed oxygen to produce ROS.

关键词： Chronic osteomyelitis Antibacterial Carbon nanotubes Molybdenum disulfide Microwave therapy

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Development of Metal and Metal-Based composites Anode Materials for Potassium-Ion Batteries

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Transactions of Tianjin University 2021年第3期27卷 248-268页

作者： Jie Xu Shuming Dou Yaqi Wang Qunyao Yuan Yida Deng Yanan Chen School of Materials Science and Engineering Tianjin UniversityTianjin 300072China Key Laboratory of Advanced Ceramics and Machining Technology of Ministry of Education Tianjin 300072China Tianjin Key Laboratory of Composite and Functional Materials Tianjin 300072China

Potassium-ion batteries(KIBs)are considered the next powerful potential generation energy storage system because of substantial potassium resource availability and similar characteristics with ***,the actual application of KIBs is inferior to that of lithium-ion batteries(LIBs),in which the fi nite energy density,ordinary circular life,and underdeveloped fabrication technique dominate the key *** works have recently been directed to growing novel anode electrodes with superior electrochemical ***,metals/metal oxides materials(e.g.,Sb,Sn,Zn,SnO_(2),and MoO_(2))have been widely investigated as KIBs anodes because of high theoretical capacity,suggesting outstanding promise for high-energy *** this review,the latest research of metals/metal oxides electrodes for potassium storage is *** major strategies to control the electrochemical property of metals/metal oxides electrodes are ***,the future investigation foreground for these anode electrodes has been proposed.

关键词： Potassium-ion batteries Metal-based anodes Metallic oxide-based anodes Electrochemical performance Nanostructure

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Engineering active sites of cathodic materials for high-performance Zn-nitrogen batteries

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Nano Research 2023年第7期16卷 9214-9230页

作者： Shanshan Chen Kang Lian Wenxian Liu Qian Liu Gaocan Qi Jun Luo Xijun Liu Institute for New Energy Materials and Low-Carbon Technologies Tianjin Key Lab for Photoelectric Materials&DevicesSchool of Materials Science and EngineeringTianjin University of TechnologyTianjin 300384China State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures School of ResourceEnvironments and MaterialsGuangxi UniversityNanning 530004China College of Materials Science and Engineering Zhejiang University of TechnologyHangzhou 310014China Institute for Advanced Study Chengdu UniversityChengdu 610106China ShenSi Lab Shenzhen Institute for Advanced StudyUniversity of Electronic Science and Technology of ChinaShenzhen 518110China

As an ideal carbon-free energy carrier,ammonia plays an indispensable role in modern *** conventional industrial synthesis of NH3 by the Haber-Bosch technique under harsh reaction conditions results in serious energy consumption and environmental ***,it is essential to develop NH3 synthesis tactics under benign *** synthesis of NH_(3) has the advantages of mild reaction conditions and environmental friendliness,and has become a hotspot for research in recent *** has been reported that zinc-nitrogen batteries(ZNBs),such as Zn-N_(2),Zn-NO,Zn-NO_(3)^(-),and Zn-NO_(2)^(-)batteries,can not only reduce nitrogenous species to ammonia but also have concomitant power ***,the common drawbacks of these battery systems are unsatisfactory power density and ammonia *** this review,the latest progress of ZNBs including the reaction mechanism of the battery and reactor design principles is systematically ***,active site engineering of cathode catalysts is discussed,including vacancy defects,chemical doping,and heterostructure ***,some insights are provided to improve the performance of ZNBs from a practical perspective of view.

关键词： Zn-nitrogen batteries nitrogen reduction electrocatalysis ammonia synthesis aqueous battery

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Revealing the Flexibility of Inorganic Sub-Nanowires by Single-Molecule Force Spectroscopy

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CCS Chemistry 2023年第12期5卷 2956-2965页

作者： Yuang Shi Wenxiong Shi Simin Zhang Xun Wang Engineering Research Center of Advanced Rare Earth Materials Department of ChemistryTsinghua UniversityBeijing 100084 Institute for New Energy Materials and Low Carbon Technologies School of Materials Science and EngineeringTianjin University of TechnologyTianjin 300384 MOE Key Laboratory of Cluster Science Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green ApplicationsSchool of Chemistry and Chemical EngineeringBeijing Institute of TechnologyBeijing 100081

Sub-nanowires(SNWs),∼1 nm in thickness,possess an inorganic skeleton but display characteristics akin to those of carbon–carbon backbone polymers,such as flexibility,adhesion,gelation,self-assembling behaviors,and shear-thinning *** this,the underlying mechanism for these polymer-like properties remains *** study investigates the origin of SNWs’unique behavior from three distinct *** single-molecule force spectroscopy,we quantitatively measure the persistence lengths of SNWs,which provide a measure of *** addition,we evaluate the macroscopic mechanical properties of SNW materials,including the strength of electrospun fibers and gelation in ***,we apply molecular dynamics to simulate the behaviors of SNWs under elongating and rotating *** three perspectives mentioned above in the study collectively provide evidence for the structure-activity relationship of nanomaterials:a freely rotated backbone results in a flexible SNW,which is inclined to bend and entangle to form gels in ***,a stiff backbone leads to a rigid SNW,which induces strong fibers.

关键词： sub-nanowires flexibility single-molecule force spectroscopy mechanical properties molecular dynamics

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Positive direction of polarization-induced electric field improves formic acid electrooxidation on Pd

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Nano Research 2023年第8期16卷 10848-10856页

作者： Shuozhen Hu Yunyun Cheng Guoming Luo Kai Huang Cheng Shi Jie Xu Cheng Lian Shigang Sun Xinsheng Zhang State Key Laboratory of Chemical Engineering East China University of Science and TechnologyShanghai 200237China Shanghai Hydrogen Propulsion Technology Co. Ltd.Shanghai 201800China Shanghai Haizhiqing Energy Development Co. Ltd.Shanghai 200333China Key Laboratory of Advanced Civil Engineering Materials of Ministry of Education Functional Materials Research LaboratorySchool of Materials Science and EngineeringTongji UniversityShanghai 201804China School of Materials Science and Engineering Anhui University of TechnologyMa’anshan 243002China State Key Laboratory of Physical Chemistry of Solid Surfaces Department of ChemistryCollege of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005China

Adjusting the adsorption energy of adsorbates on catalyst can directly regulate the catalytic performance and reaction pathways of heterogeneous ***,we report a novel strategy,introducing polarization-induced electric field(PIEF)with different directions,to manipulate the adsorption energy of intermediates and reaction pathway of formic acid electrooxidation on *** nanoparticles are applied as the PIEF provider,of which the direction is successfully controlled via aligning the dipoles in tourmaline in a strong external electric *** and theoretical results systematically reveal that positive PIEF leads to an electron-deficient state of Pd,reduced adsorption energy of COad,enhanced adsorption energy of*HCOOH and*OH,and promoted formate pathway of formic acid ***/TNP+/FTO,with the aid of positive PIEF,shows three-fold enhancement in the formic acid electrooxidation(4.74 mA·cm^(−2))with high durability and anti-poisoning ability compared with pristine *** study leads a new route to design formic acid electrocatalysts and provides an understanding on how to control the adsorption energy of adsorbates on electrocatalysts by an internal electric field.

关键词： dipole-aligned tourmaline ferroelectric material polarization-induced electric field direction palladium adsorption energy formic acid oxidation mechanism

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Tunning the bandgap of MnO_(2)homojunction by building active high-index facet to achieve rapid electron transfer for enhanced photocatalytic sterilization

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Journal of Materials science & technology 2024年第1期168卷 265-275页

作者： Tao Zhang Bo Li Chaofeng Wang Shuilin Wu Shengli Zhu Hui Jiang Yufeng Zheng Zhaoyang Li Zhenduo Cui Yu Zhang Paul K Chu Xiangmei Liu 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 and Engineering Hubei UniversityWuhan 430062China School of Health Science&Biomedical Engineering Hebei University of TechnologyTianjin 300401China School of Materials Science&Engineering Peking UniversityBeijing 100871China School of Materials Science&Engineering the Key Laboratory of Advanced Ceramics and Machining Technology by the Ministry of Education of ChinaTianjin UniversityTianjin 300072China Department of Orthopedics Guangdong Provincial People’s HospitalGuangdong Academy of Medical SciencesGuangzhou 510080China Department of Physics Department of Materials Science and Engineering and Department of Biomedical EngineeringCity University of Hong KongHong Kong 999077China

Photocatalysis has been a research hotspot in recent years,and the design and modification of photocat-alysts have been the key *** methods for designing photocatalysts,including constructing heterojunctions and homojunctions,have been developed on the basis of *** this study,two homojunctions of manganese dioxide(MnO_(2)),including a high-index crystal plane homojunction and a general homojunction,are prepared using a stepwise hydrothermal *** a capping agent,the high-index crystal surface of the MnO_(2)is *** is found that the electron transport efficiency be-tween the two components of the homojunction with high-index planes is higher and the adsorption capacity of the oxygen is stronger,which leads to higher photocatalytic *** addition,the newly designed high-index homojunction is used for the treatment of bacterial infections,and it kills Staphy-lococcus aureus(***)and Escherichia coli(***)at rates of 99.95%±0.04%and 99.31%±0.25%,*** also has excellent therapeutic effects on mouse wounds,which implies superb practical application *** work provides a new strategy for the improved design of homojunctions and the application of photocatalytic materials.

关键词： Photocatalysis Homojunction Bandgap High-index facet Antibacterial

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Recent achievements in selenium-based transition metal electrocatalysts for pH-universal water splitting

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Nano Research 2024年第7期17卷 5763-5785页

作者： Yuwei Jiang Sanshuang Gao Xijun Liu Yin Wang Shuxing Zhou Qian Liu Abdukader Abdukayum Guangzhi Hu Xinjiang Key Laboratory of Novel Functional Materials Chemistry College of Chemistry and Environmental SciencesKashi UniversityKashi 844000China Institute for Ecological Research and Pollution Control of Plateau Lakes School of Ecology and Environmental ScienceYunnan UniversityKunming 650504China MOE Key Laboratory of New Processing Technology for Non-ferrous Metals and Materials Guangxi Key Laboratory of Processing for Non-ferrous Metals and Featured MaterialsGuangxi UniversityNanning 530004China Hubei Key Laboratory of Low Dimensional Optoelectronic Materials and Devices Hubei University of Arts and ScienceXiangyang 441053China Institute for Advanced Study Chengdu UniversityChengdu 610106China

The electrolysis of water to produce hydrogen is an important technique to replace traditional fossil fuel-based hydrogen *** method efficiently converts electrical energy into chemical energy,it is ostensibly a promising candidate for addressing the energy *** effort has been devoted to developing efficient electrocatalysts for water *** exploration of suitable catalytic materials for the hydrogen evolution reaction(HER),oxygen evolution reaction(OER),and other bifunctional electrocatalytic reactions is *** metal selenides(TMSes)have emerged as potential HER and OER electrocatalysts because of their unique electronic structures,which are beneficial for charge transfer,tuneable bandgaps,distinctive morphologies,and *** review discusses the mechanisms and performance comparisons of TMSes in overall water splitting under various pH *** an industrial and commercial perspective,the catalytic performance of TMSes for the HER and OER is not *** for preparing electrocatalytic materials and optimizing materials for overall water decomposition and modulation mechanisms have been introduced to improve electrocatalytic performance,such as element doping,carbon composites,bimetallic systems,morphology control,and heterogeneous interface ***,the challenges and prospects of TMSes were discussed.

关键词： hydrogen energy source electrocatalysis water splitting selenium-based materials transition metal

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General strategy for evaluating the d-band center shift and ethanol oxidation reaction pathway towards Pt-based electrocatalysts

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science China Chemistry 2023年第1期66卷 279-288页

作者： Jin-Hong Zheng Guang Li Jun-Ming Zhang Ningyan Cheng Li-Fei Ji Jian Yang Jialin Zhang Bin-Wei Zhang Yan-Xia Jiang Shi-Gang Sun State Key Laboratory of Physical Chemistry of Solid Surfaces Department of ChemistryCollege of Chemistry and Chemical EngineeringXiamen UniversityXiamen 361005China School of Chemistry and Chemical Engineering Chongqing UniversityChongqing 401331China Center of Advanced Energy Technology and Electrochemistry Institute of Advanced Interdisciplinary StudiesChongqing UniversityChongqing 400044China Key Laboratory of Magnetic Molecules&Magnetic Information Materials Ministry of Education School of Chemical and Material ScienceShanxi Normal UniversityTaiyuan 030031China Information Materials and Intelligent Sensing Laboratory of Anhui Province Key Laboratory of Structure and Functional Regulation of Hybrid Materials of Ministry of EducationInstitutes of Physical Science and Information TechnologyAnhui UniversityHefei 230039China

The catalytic performance of Pt-based catalysts depends sensitively on their d-band ***,there are still huge challenges to evaluate their d-band centers from experimental technologies,and modulate them to analyze their selectivity in ethanol oxidation reaction(EOR).Here,Pt1Au1alloy supported on the commercial carbon material(Pt_(1)Au_(1)/C)is employed as a typical example to investigate its d-band center shift of surface Pt,and as electrocatalysts to study its selectivity towards ***,a highly reliable in situ Fourier-transform infrared spectroscopy CO-probe strategy is developed to characterize the d-band center shift of surface *** modified electronic effect and site effect of Pt_(1)Au_(1)/C dictated the adsorption configuration of intermediate species and the OH species coverage,thereby influencing its *** importantly,we developed a universal cyclic voltammetry peak differentiation fitting method as an electrochemical analysis technique to investigate CO_(2)selectivity,which is potentially extendable to other Pt-based electrocatalysts.

关键词： PtAu in situ FTIRS d-band center ethanol oxidation reaction CV peak differentiation fitting method

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The evolution of local structure of Mo6S8 during Li+ electrochemical storage studied by in-situ tender X-ray absorption spectroscopy

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Progress in Natural science:Materials International 2022年第6期32卷 739-744页

作者： Pengfei Yu Yujian Xia Xuefei Feng Shun Zheng Guoxi Ren Nian Zhang Xiaosong Liu Cheng Chen Xiangxin Guo State Key Laboratory of Functional Materials for Informatics Shanghai Institute of Microsystem and Information Technology Chinese Academy of Sciences National Synchrotron Radiation Laboratory University of Science and Technology of China University of Chinese Academy of Sciences Tianmu Lake Institute of Advanced Energy Storage Technologies School of Physical Science and Technology Shanghai Tech University Shanghai BYD Co. Ltd. College of Physics Qingdao University

Chevrel phase Mo6S8has attracted great interest because of its capability to accommodate different types of small cations through reversible topotactic redox ***,the intercalation mechanism of Mo6S8is still far from being fully understood owing to the complexity of the crystal structure and limitation of the probe *** our study,the reaction mechanism of Li+intercalation into Mo6S8was studied as a model by in-situ tender X-ray absorption spectroscopy（itXAS） in the viewpoint of local *** to the isobestic points of the 1st derivative,the discharge process is divided into five regions while the charge process is divided into four regions,where most of the regions are assigned to the two-phase transition *** intensity change of the two spectroscopic features of the 1st derivative is found to be correlated,implying that the intercluster bond length directly affects the localization of the unoccupied states of the intracluster *** asymmetric evolution of the intensity of a' and b' as well as the asymmetric partition of reaction regions demonstrate the asymmetry of the reaction path in discharge and charge *** results help to clarify the remaining debates on the phase ***,itXAS is demonstrated to be a powerful tool to study the reaction mechanism of *** is complementary to NMR,XRD and so on.

关键词： Chevrel phases Cathode materials X-ray absorption In-situ measurement Local structure

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Electron-Exciton Coupling in 1T-TiSe_(2)Bilayer

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Chinese Physics Letters 2023年第5期40卷 59-65页

作者：朱立赵伟民贾振宇李慧平谢学栋李启远汪琪玮窦立国胡聚罡张翼朱文光于顺利李建新李绍春 National Laboratory of Solid State Microstructures Collaborative Innovation Center of Advanced MicrostructuresSchool of PhysicsNanjing UniversityNanjing 210093China International Center for Quantum Design of Functional Materials(ICQD) Hefei National Laboratory for Physical Sciences at the Microscaleand Synergetic Innovation Center of Quantum Information and Quantum PhysicsUniversity of Science and Technology of ChinaHefei 230026China Key Laboratory of Strongly Coupled Quantum Matter Physics of Chinese Academy of Sciences School of Physical SciencesUniversity of Science and Technology of ChinaHefei 230026China Jiangsu Provincial Key Laboratory for Nanotechnology Nanjing UniversityNanjing 210093China

Excitons in solid state are bosons generated by electron-hole pairs as the Coulomb screening is sufficiently *** exciton condensation can result in exotic physics such as super-fluidity and insulating *** charge density wave(CDW)state,1T-TiSe_(2) is one of the candidates that may host the exciton ***,to envision its excitonic effect is still challenging,particularly at the two-dimensional limit,which is applicable to future ***,we realize the epitaxial 1T-TiSe_(2) bilayer,the two-dimensional limit for its 2×2×2 CDW order,to explore the exciton-associated *** means of high-resolution scanning tunneling spectroscopy and quasiparticle interference,we discover an unexpected state residing below the conduction band and right within the CDW gap *** corroborated by our theoretical analysis,this mysterious phenomenon is in good agreement with the electron-exciton *** study provides a material platform to explore exciton-based electronics and opto-electronics.

关键词： effect limit Electron

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