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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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New sustainable polymers with on-demand depolymerization property

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science China Chemistry 2024年第9期67卷 2803-2841页

作者： Yangyang Sun Zesheng An Yanshan Gao Rongrong Hu Ye Liu Hua Lu Xiao-Bing Lu Xuan Pang Anjun Qin Yong Shen Youhua Tao Yu-Zhong Wang Junpeng Wang Gang Wu Guang-Peng Wu Tie-Qi Xu Xing-Hong Zhang Yuetao Zhang Zhenbiao Zhang Jian-Bo Zhu Miao Hong Zhibo Li State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic ChemistryChinese Academy of SciencesShanghai 200032China State Key Laboratory Base of Eco-Chemical Engineering College of Chemical EngineeringQingdao University of Science and TechnologyQingdao266042China State Key Laboratory of Supramolecular Structure and Materials College of ChemistryJilin UniversityChangchun 130012China State Key Laboratory of Luminescent Materials and Devices Guangdong Provincial Key Laboratory of Luminescence from Molecular AggregatesSouth China University of TechnologyGuangzhou 510640China State Key Laboratory of Fine Chemicals Frontiers Science Center for Smart MaterialsDalian University of TechnologyDalian 116024China Beijing National Laboratory for Molecular Sciences Center for Soft Matter Science and EngineeringKey Laboratory of Polymer Chemistry and Physics of Ministry of EducationCollege of Chemistry and Molecular EngineeringPeking UniversityBeijing 100871China Key Laboratory of Polymer Ecomaterials Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchun 130022China The Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials(MoE) National Engineering Laboratory of Eco-Friendly Polymeric Materials(Sichuan)College of ChemistryState Key Laboratory of Polymer Materials EngineeringSichuan UniversityChengdu 610064China School of Polymer Science and Polymer Engineering the University of AkronAkronOH 44325USA MOE Key Laboratory of Macromolecular Synthesis and Functionalization Department of Polymer Science and EngineeringZhejiang UniversityHangzhou 310027China State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials Jiangsu Key Laboratory of Advanced Functional Polymer Design and ApplicationSuzhou Key Laboratory of Macromolecular Design and Precision SynthesisCollege of ChemistryChemical Engineering and Materials ScienceSoochow UniversitySuzhou 215123China

To combat the crisis of today's synthetic polymers arising from unsustainable production and disposal,it is essential for the synthetic polymer community to reshape the current polymer industry with sustainable *** an emerging class of sustainable polymers,the development of chemically depolymerizable polymers(CDPs),which can undergo closed-loop depolymerization/repolymerization cycles to reproduce virgin polymers without the loss of properties from recovered monomers,offers an ideal solution to preserve finite natural resources,provides a feasible solution to the end-of-life issue of polymer waste,and thereby establishes a circular materials ***,two grand key challenges have been encountered in the establishment of practically useful CDPs:how to balance polymerization and depolymerization ability and how to unify conflicted depolymerizability and physical ***,this critical review article presents our vision for summarizing feasible strategies to overcome the above two significant challenges and the design principles for constructing an ideal CDP by highlighting selected major progress made in this rapidly expanding field.

关键词： chemically depolymerizable polymers sustainable polymers depolymerization monomer recovery degradation plastics

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Bio-inspired Smart Composites with Multi-scale Architecture and Surface engineering 23

Bio-inspired Smart Composites with Multi-scale Architecture ...

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23rd International Conference on Composite materials, ICCM 2023

作者： Zeng, Songshan Shen, Kuangyu Li, Rui Smith, Andrew Zhang, Dianyun Sun, Luyi Polymer Program Institute of Materials Science Department of Chemical & Biomolecular Engineering University of Connecticut United States

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Synthesis of amino silicone oil for use in oil agent in carbon fiber 11

Synthesis of amino silicone oil for use in oil agent in carb...

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2024 11th International Conference on Advanced Manufacturing technology and materials engineering, AMTME 2024

作者： Wang, Junsha Huang, Xianwen Zhang, Cheng School of Materials Science and Engineering Shanghai Institute of Technology Shanghai201418 China Department of High Polymer Material Ningbo Institute of Materials Technology & Engineering Ningbo315201 China

An oil with uniform particle size distribution, good heat storage, and good wettability for carbon fiber was prepared. In other words, by mixing with non-ionic emulsifiers E1303 and E1309, the most suitable synthesis temperature, solid content, and the proportion of silicone oil emulsifiers were explored by using the control variable method. The results show that carbon fiber oil with uniform particle size distribution and good heat-resistant storage can be obtained when the synthesis temperature is 50℃, the solid content is 20% and the emulsifier ratio is 1:3. The particle size of the carbon fiber oil is 200 nm, the particle size distribution index is less than 0.3, and the particle size distribution is uniform. © 2024 Institute of Physics Publishing. All rights reserved.

关键词： Silicones

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Unraveling the impacts of intermolecular interaction on morphology evolution for highly efficient organic solar cells and modules

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science China Chemistry 2025年第1期68卷 264-272页

作者： Xueqing Ma Yingying Cheng Yuqiang Liu Xinming Zheng Guangliu Ran Hongxiang Li Xinyue Cui Andong Zhang Wenkai Zhang Pei Cheng Wenchao Huang Zhishan Bo Beijing Key Laboratory of Energy Conversion and Storage Materials College of ChemistryBeijing Normal UniversityBeijing 100875China College of Textiles and Clothing State Key Laboratory of Bio-fibers and Eco-textilesQingdao UniversityQingdao 266071China Key State Laboratory of Advanced Technology for Materials Synthesis and Processing School of Materials Science and EngineeringWuhan University of TechnologyWuhan 430070China Department of Physics and Applied Optics Beijing Area Major Laboratory Center for Advanced Quantum StudiesBeijing Normal UniversityBeijing 100875China State Key Laboratory of Polymer Materials Engineering College of Polymer Science and EngineeringSichuan UniversityChengdu 610065China

Understanding the effect of intermolecular interaction on the growth dynamic of active layers is critical for advancing organic solar cells(OSCs).However,the diverse structure of donors and acceptors makes the research *** with customizable structures and properties could simplify this ***,we meticulously tailor two additives of 3,4-ethylenedioxythiophene(EDOT)and 2,5-dibromo-3,4-ethylenedioxythiophene(DBEDOT),possessing distinct intermolecular interaction features to elaborate the inherent *** is found that varied interaction strengths can alter film formation *** enhanced intermolecular interaction between the DBEDOT and non-fullerene acceptor BTP-e C9-4F results in pre-aggregation and longer crystallization duration of BTP-e C9-4F,facilitating the formation of films with compact molecular packing and decent phase ***,exciton dissociation and charge transport become more ***,devices processed with DBEDOT exhibit a remarkable power conversion efficiency of 19.35%in small-area OSCs and 14.11%in bladecoated 5 cm×5 cm organic solar ***,OSCs can maintain 80%of their initial efficiency after continuous annealing at 85℃for over 2,100 h.

关键词： organic solar cell non-fullerene acceptor film growth molecular packing intermolecular interaction

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Effects of Fluorescent Pair on the Kinetics of DNA Strand Displacement Reaction

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Chinese Journal of Chemical Physics 2024年第5期37卷 679-684,I0094-I0098,I0101页

作者： Chengxu Li Shiyan Xiao Haojun Liang Key Laboratory of Precision and Intelligent Chemistry School of Chemistry and Materials ScienceDepartment of Polymer Science and EngineeringUniversity of Science and Technology of ChinaHefei 230026China

Fluorescent labels are widely used in the characterizations of DNA-based reaction network *** systematically studied the effects of commonly used fluorescent pairs on thermal stabilities of signal-substrate duplex and the strand displacement *** is demonstrated that the modifications of duplex with fluorescent pairs stabilize DNA duplex by up to 3.5℃,and the kinetics of DNA strand displacement circuit is also evidently slowed *** results highlight the importance of fluorescent pairs towards the kinetic modulation in designing nucleic acid probes and complex DNA dynamic circuits.

关键词： DNA strand displacement Fluorescent label Kinetics Thermodynamic property

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Ethanol steam reforming over Ni/ZSM-5 nanosheet for hydrogen production

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Chinese Journal of Chemical engineering 2024年第3期67卷 247-256页

作者： Porapak Suriya Shanshan Xu Shengzhe Ding Sarayute Chansai Yilai Jiao Joseph Hurd Daniel Lee Yuxin Zhang Christopher Hardacre Prasert Reubroycharoen Xiaolei Fan Department of Chemical Engineering School of EngineeringThe University of ManchesterManchester M139PLUnited Kingdom Program of Petrochemistry and Polymer Science Faculty of ScienceChulalongkorn UniversityBangkok10330Thailand Shenyang National Laboratory for Materials Science Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China Liaoning Academy of Materials Shenyang 110167China Center of Excellence in Catalysis for Bioenergy and Renewable Chemicals(CBRC) andDepartment of Chemical TechnologyFaculty of ScienceChulalongkorn UniversityBangkok 10330Thailand Nottingham Ningbo China Beacons of Excellence Research and Innovation Institute University of Nottingham Ningbo ChinaNingbo315100China

Compared to reforming reactions using hydrocarbons,ethanol steam reforming(ESR)is a sustainable alternative for hydrogen(H_(2))production since ethanol can be produced sustainably using *** work explores the catalyst design strategies for preparing the Ni supported on ZSM-5 zeolite catalysts to promote ***,two-dimensional ZSM-5 nanosheet and conventional ZSM-5 crystal were used as the catalyst carriers and two synthesis strategies,i.e.,in situ encapsulation and wet impregnation method,were employed to prepare the *** on the comparative characterization of the catalysts and comparative catalytic assessments,it was found that the combination of the in situ encapsulation synthesis and the ZSM-5 nanosheet carrier was the effective strategy to develop catalysts for promoting H_(2) production via ESR due to the improved mass transfer(through the 2-D structure of ZSM-5 nanosheet)and formation of confined small Ni nanoparticles(resulted via the in situ encapsulation synthesis).In addition,the resulting ZSM-5 nanosheet supported Ni catalyst also showed high Ni dispersion and high accessibility to Ni sites by the reactants,being able to improve the activity and stability of catalysts and suppress metal sintering and coking during ESR at high reaction ***,the Ni supported on ZSM-5 nanosheet catalyst prepared by encapsulation showed the stable performance with~88% ethanol conversion and~65% H_(2) yield achieved during a 48-h longevity test at 550-C.

关键词： ZSM-5 nanosheet In situ encapsulation Ni catalyst Ethanol steam reforming Hydrogen production

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Surface reconstruction of heterostructures in alkaline medium towards enhanced electrocatalytic hydrogen evolution

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Rare Metals 2024年第6期43卷 2636-2647页

作者： Ming-Yang Yang Ji Yuan Xue-Lian Fu Jing-Jing Chen Jing Hu Zhou-Guang Lu Chen Liu Guangdong Research Center for Interfacial Engineering of Functional Materials Shenzhen Key Laboratory of Polymer Science and TechnologyShenzhen Key Laboratory of Energy Electrocatalytic MaterialsCollege of Materials Science and EngineeringShenzhen UniversityShenzhen 518060China Shenzhen Key Laboratory of Interfacial Science and Engineering of Materials Department of Materials Science and EngineeringSouthern University of Science and TechnologyShenzhen 518055China

Constructing heterostructures has proved to be a successful strategy to fabricate electrocatalysts with high efficiency for water ***,the structure evolution in alkaline hydrogen evolution reaction lacks investigation and the specific active center remains ***,we take the well-designed Ni_(3)S_(2)@VO_(2) heterostructures as a model to investigate the electrocatalytic activity and the surface reconstruction process of heterostructure catalysts in alkaline *** Ni_(3)S_(2)@VO_(2) heterostructures,with Ni_(3)S_(2) nanorods as the core and VO_(2) nanoflakes as the shell,coupled with the high conductive Ni_(3)S_(2),the hydrophilic VO_(2) and modulated electronic structures at the interfaces,exhibited prominent activity and superior stability at various current ***,the ex-situ characterizations confirmed that the surface reconstruction from Ni_(3)S_(2)@VO_(2) into Ni_(3)S_(2)@amorphous-Ni(OH)_(2) in alkaline media could optimize the water dissociation barrier and exposed large active area,thereby contributing to improved electrocatalytic *** study not only introduces novel high-performance electrocatalysts for hydrogen evolution reaction(HER),but also provides a new avenue for re-examining hetero-structural catalysts in alkaline solutions.

关键词： Heterostructures Ni_(3)S_(2)@VO_(2) Surface reconstruction Water dissociation Alkaline hydrogen evolution

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Correlating crack density, stiffness degradation and dissipated energy during fatigue loading of ±45° GFRP laminates 23

Correlating crack density, stiffness degradation and dissipa...

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23rd International Conference on Composite materials, ICCM 2023

作者： Gfrerrer, M. Wiener, J. Drvoderic, M. Brunner, A.J. Pinter, G. Department of Polymer Engineering and Science Montanuniversitaet Leoben Materials Science and Testing of Polymers Leoben Austria Department of Polymer Engineering and Science Montanuniversitaet Leoben Designing Plastics and Composite Materials Leoben Austria Empa Swiss Federal Laboratories for Materials Science and Technology Dübendorf Switzerland

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Facile fabrication of highly flexible,porous PEDOT:PSS/SWCNTs films for thermoelectric applications

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Chinese Physics B 2022年第2期31卷 50-59页

作者： Fu-Wei Liu Fei Zhong Shi-Chao Wang Wen-He Xie Xue Chen Ya-Ge Hu Yu-Ying Ge Yuan Gao Lei Wang Zi-Qi Liang College of Physics and Electronic Engineering Xinyang Normal UniversityXinyang 464000China Shenzhen Key Laboratory of Polymer Science and Technology College of Materials Science and EngineeringShenzhen UniversityShenzhen 518060China Department of Materials Science Fudan UniversityShanghai 200433China

High-performance organic composite thermoelectric(TE)materials are considered as a promising alternative for harvesting heat ***,composite films of poly(3,4-ethyienedioxythiophene):poly(styrene sulfonate)/single-walled carbon nanotubes(PEDOT:PSS/SWCNTs)were fabricated by utilizing a convenient solution mixing ***,the as-prepared hybrid films were treated using sulfuric acid(H_(2)SO_(4))to further optimize the TE *** morphological studies revealed that the sulfuric acid treated PEDOT:PSS/SWCNTs composite samples all possessed porous *** to the successful fabrication of highly conductive networks,the porous nano-architecture also exhibited much more excellent TE properties when compared with the dense structure of the pristine *** the post-treated sample,a high power factor of 156.43μW·m^(-1)·K^(-2)can be achieved by adjusting the content of CNTs,which is approximately 3 orders of magnitude higher than that of the corresponding untreated samples(0.23μW·m^(-1)·K^(-2)).Besides,the obtained films also showed excellent mechanical flexibility,owing to the porous nanostructure and the strong p–p interactions between the two *** work indicates that the H_(2)SO_(4) treatment could be a promising strategy for fabricating highly-flexible and porous PEDOT:PSS/SWCNTs films with high TE performances.

关键词： porous film thermoelectric properties flexibility

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