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Bioactive calcium and mangnesium phosphate bone adhesive for enhanced vascularization and bone regeneration

Journal of materials Science & technology 2023年第33期164卷 246-257页

作者： Jiawei Liu Honglei Kang Wenying Wei Rong Tu Takashi Goto Feng Li Honglian Dai State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Biomedical Materials and Engineering Research Center of Hubei ProvinceWuhan University of TechnologyWuhan 430070China Department of Orthopedics Tongji HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430030China Chaozhou Branch of Chemistry and Chemical Engineering Guangdong Laboratory Chaozhou 521000China New Industry Creation Hatchery Center Tohoku UniversitySendai 980-8579Japan

Bone adhesive is a promising material for the treatment of bone fractures,which is helpful for the fast and effective reduction and fixation of broken ***,the existing adhesives bond weakly to bone tissues,and are non-absorbable,or hard to cure under wet ***,inspired by the cement-based adhesive used in the industry field,we report a bioactive calcium and magnesium phosphate bone adhesive(MPBA)with the properties of facile preparation,robust adhesion,and *** is equipped with similar strength to cancellous bones and shows reliable bonding performance for various interfaces,such as Ti6Al4V,Al2O3,and poly(ether-ether-ketone).MPBA achieves excellent bonding ability for the above interfaces with the bonding strengths of 2.28±0.47,2.32±0.15,and 1.44±0.38 MPa,***,it also shows reliable fixation ability for bovine bone *** bonding behavior to materials and bones suggests that MPBA could be used for both fracture treatment and implant ***,MPBA possesses good biological activity,which could promote the vascularization process and osteogenic ***,in vivo experiments confirmed MPBA can effectively restore bone strength and promote bone regeneration.

关键词： Fracture Calcium magnesium phosphate cement Bone adhesives

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Synthesis of hierarchical SAPO-11-based catalysts with Al-based metal-organic framework derivative as mesoporogen to improve n-decane branched isomerization

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Petroleum Science 2022年第6期19卷 3171-3181页

作者： Xue-Man Wang Cheng-Long Wen Yu Fan State Key Laboratory of Heavy Oil Processing China University of PetroleumBeijing102249China Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology Advanced Catalysis and Green Manufacturing Collaborative Innovation Centerand School of Petrochemical EngineeringChangzhou UniversityChangzhouJiangsu213164China

Hierarchical SAPO-11 molecular sieve(ACS-11) was successfully synthesized employing the Al2O3/carbon(Al_(2)O_(3)/C) composite obtained through the pyrolysis of Al-based metal-organic framework(Al-MOF-96)as *** other carbon-based mesoporogens with strong hydrophobicity,the Al_(2)O_(3)/C interacts with phosphoric acid and generates the AlPO_(4)/C structure,which promotes the Al2O3/C dispersion in the synthesis gel of SAPO-11 and avoids the phase separation between *** Al_(2)O_(3)/C as mesoporogen decreases the crystallite size of SAPO-11 via preventing the aggregation of ***,the addition of Al_(2)O_(3)/C improves the Si distribution in the ACS-11 ***,ACS-11 has smaller crystallites,more mesopores,and a greater amount of medium Bronsted acid centers than the conventional microporous SAPO-11 and the SAPO-11 synthesized using activated carbon as *** corresponding Pt/ACS-11 catalyst exhibits the maximal selectivity to multi-branched C10isomers(23.28%) and the minimal cracking selectivity(15.83%) in n-decane hydroisomerization among these *** research provides a new approach for preparing hierarchical silicoaluminophosphate molecular sieve-based catalysts to produce high-quality fuels.

关键词： Hierarchical SAPO-11 Al_(2)O_(3)/C composite Hydroisomerization Branched isomers

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High-Performance Flexible Magnetic textile Fabricated Using Porous Juncus effusus Fiber for Biomechanical Energy Harvesting

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Engineering 2025年第3期46卷 267-277页

作者： Junyao Gong Chunhua Zhang Liangjun Xia Zhaozixuan Zhou Weihao Long Zhuan Fu Sijie Zhou Hua Ji Lixin Du Weilin Xu State Key Laboratory of New Textile Materials and Advanced Processing Technologies Wuhan Textile UniversityWuhan 430200China College of Textile Science and Engineering Zhejiang University of Science and TechnologyHangzhou 310018China College of Textiles Donghua UniversityShanghai 201620China Winner Medical Co. Ltd.Wuhan 430200China Luthai Textile Co. Ltd.Zibo 255100China

Mechanical energy produced by human motion is ubiquitous,continuous,and usually not utilized,making it an attractive target for sustainable electricity-harvesting *** this study,flexible magnetic-Juncus effusus(M-JE)fibers were prepared from plant-extracted three-dimensional porous Juncus effusus(JE)fibers decorated with polyurethane and magnetic *** M-JE fibers were woven into fabrics and used for mechanical energy harvesting through electromagnetic *** M-JE fabric and induction coil,attached to the human wrist and waist,yielded continuous and stable voltage(2 V)and current(3 mA)during *** proposed M-JE fabric energy harvester exhibited good energy harvesting potential and was capable of quickly charging commercial capacitors to power small electronic *** proposed M-JE fabric exhibited good mechanical energy harvesting performance,paving the way for the use of natural plant fibers in energy-harvesting fabrics.

关键词： Juncus effusus Magnetic fabrics Electromagnetic induction Energy harvest Mechanical-electrical energy conversion

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FeNi@CNS nanocomposite as an efficient electrochemical catalyst for N_(2)-to-NH_(3) conversion under ambient conditions

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Journal of materials Science & technology 2022年第8期103卷 59-66页

作者： Tayiba Ilyas Fazal Raziq Nasir Ilyas Liuxin Yang Sharafat Ali Amir Zada Syedul Hasnain Bakhtiar Yong Wang Huahai Shen Liang Qiao School of Physics University of Electronic Science and Technology of ChinaChengdu 610054China State Key Laboratory of New Ceramics and Fine Processing School of Materials Science and EngineeringTsinghua UniversityBeijing 10084China Department of Chemistry Abdul Wali Khan University of MardanMardanKPK 23200Pakistan Laboratory of Living Materials at the State Key Laboratory of Advanced Technology for Materials Synthesis and Processing Wuhan University of TechnologyWuhan 430070China Institute of Nuclear Physics and Chemistry Chinese Academy of Engineering PhysicsMianyang 621900China

The electrocatalytic nitrogen reduction reaction(NRR)has emerged as a promising renewable energy source and a feasible strategy as an alternative to Haber-Bosch ammonia(NH_(3))***,finding an efficient and cost-effective robust catalyst to activate and cleave the extremely strong triple bond in nitrogen(N_(2))for electrocatalytic NRR is still a ***,a FeNi@CNS nanocomposite as an efficient catalyst for N_(2) fixation under ambient conditions is *** FeNi@CNS nanocomposite was prepared by a simple water bath process and *** FeNi@CNS is demonstrated to be a highly efficient NRR catalyst,which exhibits better NRR performance with exceptional Faradaic efficiency of 9.83%and an NH_(3) yield of 16.52μg h^(−1) cm^(−2) in 0.1 M Na_(2)SO_(4) aqueous ***,high stability and reproducibility with consecutive 6 cycles for two hours are also demonstrated throughout the NRR electrocatalytic process for 12 ***,the FeNi@CNS catalyst encourages N_(2) adsorption and activation as well as effectively suppressing competitive ***,this earth-abundant FeNi@CNS catalyst with a subtle balance of activity and stability has excellent potential in NRR industrial applications.

关键词： Electrocatalytic nitrogen reduction Transition-metal alloy FeNi@CNS catalyst N_(2)fixation to NH_(3)

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Recent Progress of Graphene Fiber/Fabric Supercapacitors:From Building Block Architecture,Fiber Assembly,and Fabric Construction to Wearable Applications

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advanced Fiber materials 2023年第3期5卷 896-927页

作者： Tuxiang Guan Zemei Li Dianchun Qiu Guan Wu Jian Wu Liping Zhu Meifang Zhu Ningzhong Bao State Key Laboratory of Materials‑Oriented Chemical Engineering College of Chemical EngineeringNanjing Tech UniversityNanjing 210009People’s Republic of China National Engineering Lab for Textile Fiber Materials and Processing Technology School of Materials Science and EngineeringZhejiang Sci-Tech UniversityHangzhou 310018People’s Republic of China State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and EngineeringDonghua UniversityShanghai 201620People’s Republic of China

High-performance fiber-shaped power sources are anticipated to considerably contribute to the continuous development of smart wearable *** one-/two-dimensional(1D/2D)frameworks constructed from graphene sheets,graphene fibers and fabrics inherit the merits of graphene,including its lightweight nature,high electrical conductivity,and exceptional mechanical *** as-fabricated graphene fiber/fabric flexible supercapacitor(FSC)is,therefore,regarded as a promis-ing candidate for next-generation wearable energy storage devices owing to its high energy/power density,adequate safety,satisfactory flexibility,and extended cycle *** gap between practical applications and experimental demonstrations of FSC is drastically reduced as a result of technological *** this end,herein,recent advancements of FSCs in fiber element regulation,fiber/fabric construction,and practical applications are methodically reviewed and a forecast of their growth is presented.

关键词： Graphene fibers/fabrics Flexible supercapacitor Element regulation Fiber/fabric construction Wearable application

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Templated synthesis of patterned gold nanoparticle assemblies for highly sensitive and reliable SERS substrates

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Nano Research 2023年第4期16卷 5056-5064页

作者： Jianping Peng Peijiang Liu Yutong Chen Zi-Hao Guo Yanhui Liu Kan Yue South China Advanced Institute for Soft Matter Science and Technology School of Emergent Soft MatterSouth China University of TechnologyGuangzhou 510640China National Key Laboratory for Reliability Physics and Its Application Technology of Electrical Component the 5th Electronics Research Institute of the Ministry of Information IndustryGuangzhou 510610China College of Textiles&Clothing Laboratory of New Fiber Materials and Modern TextileState Key laboratory of Bio-Fibers and Eco-TextilesQingdao UniversityQingdao 266000China

Formation of plasmonic structure in closely packed assemblies of metallic nanoparticles(NPs)is essential for various applications in sensing,renewable energy,authentication,catalysis,and ***,a surface-enhanced Raman scattering(SERS)substrate is fabricated for trace detection with ultrahigh sensitivity and *** SERS substrate is constructed from a simple yet robust strategy through in situ growth patterned assemblies of Au NPs based on a polymer brush templated synthesis *** from the dense and uniform distribution of Au NPs,the resulting Au plasmonic nanostructure demonstrates a very strong SERS effect,while the outer polymer brush could restrict the excessive growth of Au NPs and the patterned design could achieve uniform distribution of Au *** results,an ultra-low limit of detection(LOD)of 10^(−15)M,which has never been successfully detected in other work,is determined for 4-acetamidothiophenol(4-AMTP)molecules and the Raman signals in the random region show good signal homogeneity with a low relative standard deviation(RSD)of 7.2%,indicating great sensitivity and reliability as a SERS *** LOD values of such Au plasmonic nanostructures for methylene blue,thiram,and R6G molecules can also reach as low as 10^(−10)M,further indicating that the substrate has a wide range of applicability for SERS *** the help of finite difference time domain simulations(FDTD)calculation,the electric field distribution of the Au plasmonic nanostructures is simulated,which quantitatively matches the experimental ***,the Au plasmonic nanostructures show good shelf stability for at least 10 months of storage in an ambient environment,indicating potentials for practical applications.

关键词： templated synthesis patterned Au nanostructures surface-enhanced Raman scattering polymer brush plasmonic nanostructures

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Reduced graphene oxide aerogel decorated with Mo_(2)C nanoparticles toward multifunctional properties of hydrophobicity,thermal insulation and microwave absorption

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International Journal of Minerals,Metallurgy and materials 2023年第3期30卷 536-547页

作者： Yahui Wang Minghui Zhang Xuesong Deng Zhigang Li Zongsheng Chen Jiaming Shi Xijiang Han Yunchen Du Key Laboratory of Infrared and Low Temperature Plasma of Anhui Province National University of Defense TechnologyHefei 230037China MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage School of Chemistry and Chemical EngineeringHarbin Institute of TechnologyHarbin 150001China State Key Laboratory of Pulsed Power Laser Technology National University of Defense TechnologyHefei 230037China Anhui Provincial Laboratory of Advanced Laser Technology National University of Defense TechnologyHefei 230037China

Reduced graphene oxide(rGO)aerogels are emerging as very attractive scaffolds for high-performance electromagnetic wave absorption materials(EWAMs)due to their intrinsic conductive networks and intricate interior microstructure,as well as good compatibility with other electromagnetic(EM)***,we realized the decoration of rGO aerogel with Mo_(2)C nanoparticles by sequential hydrothermal assembly,freeze-drying,and high-temperature *** show that Mo_(2)C nanoparticle loading can be easily controlled by the ammonium molybdate to glucose molar *** hydrophobicity and thermal insulation of the rGO aerogel are effectively improved upon the introduction of Mo_(2)C nanoparticles,and more importantly,these nanoparticles regulate the EM properties of the rGO aerogel to a large *** more Mo_(2)C nanoparticles may decrease the overall attenuation ability of the rGO aerogel,they bring much better impedance *** a molar ratio of 1:1,a desirable balance between attenuation ability and impedance matching is *** this context,the Mo_(2)C/r GO aerogel displays strong reflection loss and broad response bandwidth,even with a small applied thickness(1.7 mm)and low filler loading(9.0wt%).The positive effects of Mo_(2)C nanoparticles on multifunctional properties may render Mo_(2)C/r GO aerogels promising candidates for high-performance EWAMs under harsh conditions.

关键词： Mo_(2)C/reduced graphene oxide aerogel microwave absorption dielectric loss hydrophobicity thermal insulation

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Ultrasound-driven BaTiO_(3) nanorobots patching immunologic barrier to cure chronic rheumatoid arthritis

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Journal of advanced Ceramics 2023年第5期12卷 1105-1117页

作者： Le Jiang Yifan Wang Chunlin Liu Nan Xu Wenshuo Li Lei Wang Yixian Wu Jingyun Wang Zhijun He Fengbo Sun Lingyun Zhao Qiong Wu Xiumei Wang Huihui Yuan Xiaohui Wang Xiaodan Sun State Key Laboratory of New Ceramics and Fine Processing School of Materials Science and EngineeringTsinghua UniversityBeijing 100084China Key Laboratory of Advanced Materials of Ministry of Education of China School of Materials Science and EngineeringTsinghua UniversityBeijing 100084China MOE Key Lab.Bioinformatics School of Life SciencesTsinghua UniversityBeijing 100084China Department of Immunology School of Basic Medical SciencesCapital Medical UniversityBeijing 100069China

The disruption and reconstruction of the TREM2^(+) tissue resident macrophage(TRM)barrier on the surface of synovial lining play a key role in the activation and"remission"of rheumatoid arthritis(RA),which engender the prediction of this immunologic barrier as a potential driver for the achievement of"cure"in ***,strategies to promote the reconstruction of this barrier have not been reported,and the effect of patching this barrier remains *** the other hand,appropriate piezoelectric stimulation can reprogram macrophages,which has never been exerted on this barrier TRM ***,we design piezoelectric tetragonal BaTiO_(3)(BTO)ultrasound-driven nanorobots(USNRs)by the solvothermal synthesis method,which demonstrates satisfactory electro-mechanical conversion effects,paving the way to generate controllable electrical stimulation under ultrasound to reprogram the barrier TRM by minimally invasive injection into joint *** is demonstrated that the immunologic barrier could be patched by this USNR effectively,thereby eliminating the hyperplasia of vessels and nerves(HVN)and ***,TREM2 deficiency serum-transfected arthritis(STA)mice models are applied and proved the indispensable role of TREM2 in RA curing mediated by *** all,our work is an interesting and important exploration to expand the classical tetragonal BTO nanoparticles in the treatment of autoimmune diseases,providing a new idea and direction for the biomedical application of piezoelectric ceramics.

关键词： ultrasound-driven BaTiO_(3)nanorobots(BTO NRs) immunologic barrier upstream driver rheumatoid arthritis(RA)

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Towards high-strength cold spray additive manufactured metals:Methods,mechanisms,and properties

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Journal of materials Science & technology 2024年第3期170卷 47-64页

作者： Shuo Yin Ningsong Fan Chunjie Huang Yingchun Xie Chao Zhang Rocco Lupoi Wenya Li Department of Mechanical Manufacturing&Biomedical EngineeringParsons BuildingTrinity College DublinThe University of DublinDublin 2Ireland Institute of Materials Technology Helmut-Schmidt-University/University of the Federal Armed Forces HamburgHamburg 22043Germany The Key Lab of Guangdong for Modern Surface Engineering Technology National Engineering Laboratory for Modern Materials Surface Engineering TechnologyInstitute of New MaterialsGuangdong Academy of SciencesGuangzhou 510651China College of Mechanical Engineering Yangzhou UniversityYangzhou 225127China State Key Laboratory of Solidification Processing Shaanxi Key Laboratory of Friction Welding TechnologiesNorthwestern Polytechnical UniversityXi’an 720072China

Cold spray,as a solid-state additive manufacturing process,has been attracting increasing attention from both scientific and industrial ***,cold-sprayed deposits generally have unfavorable mechanical properties in their as-fabricated state compared to conventionally manufactured and fusion-based additive-manufactured counterparts due to the inherent microstructural defects in the deposits(e.g.,porosity and incomplete interparticle bonding).This downside reduces its competitiveness and limits its wide applications as an additive manufacturing *** the past years,many strengthening technologies have been developed or introduced to adjust the microstructure and improve the mechanical properties of cold-sprayed *** term“strengthening”in this work specifically refers to improving the mechanical strength,particularly the tensile strength of the cold-sprayed bulk *** to the stage that the strengthening technologies are used in the cold spray process,they can be classified into three categories:pre-process(e.g.,powder heat treatment),in-process(e.g.,powder heating,in-situ micro-forging,laser-assisted cold spray),and post-process(e.g.,post heat treatment,hot isostatic pressing,hot rolling,friction stir processing).Therefore,a comprehensive review of these strengthening technolo-gies is conducted to illuminate the possible correlations between the strengthening mechanisms and the resultant deposit microstructures and mechanical *** review paper aims to help researchers and engineers well understand the different strengthening methods and provide guidance for the cold spray community to develop new strengthening strategies for future high-quality mass production.

关键词： Cold spray Additive manufacturing Strengthening Microstructure Ductility Tensile strength

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Laser irradiation constructing all-in-one defective graphenepolyimide separator for effective restraint of lithium dendrites and shuttle effect

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Nano Research 2023年第10期16卷 12304-12314页

作者： Jiawei Mu Mengdi Zhang Yanan Li Zhiliang Dong Yuanyuan Pan Bei Chen Zhengqiu He Haiqiu Fang Shuoshuo Kong Xin Gu Han Hu Mingbo Wu State Key Laboratory of Heavy Oil Processing Advanced Chemical Engineering and Energy Materials Research CenterCollege of New EnergyChina University of Petroleum(East China)Qingdao 266580China College of Physics University-Industry Joint Center for Ocean Observation and Broadband CommunicationState Key Laboratory of Bio-Fibers and Eco TextilesQingdao UniversityQingdao 266071China

The commercialization of lithium-sulfur(Li-S)batteries faces several bottlenecks,and the major two of which are the shuttle effect of polysulfides and the wild growth of Li dendrites,responsible for fast capacity decay and severe safety *** an essential component of Li-S batteries,the structure and properties of the separators are closely related to the above problems,and the exploration of multifunctional separators is highly ***,an integrated separator composited of defective graphene and polyimide(DG-PI)was innovatively fabricated by electrospinning combined with the laser-induced carbonization *** all-in-one compact architecture with well-interconnected channels shows superior mechanical and thermal stability and *** importantly,the PI nanofibers containing N–/O–functional groups can induce the uniform deposition of lithium on the anode surface,while the DG framework with abundant pentagonal/heptagonal rings and vacancies can strongly trap polysulfides and accelerate polysulfide transformation on the cathode *** strong chemical interaction between the insulative PI layer and the conductive DG layer modulates the surface charge distribution of each other,leading to more prominent contributions to restraining lithium dendrites and shuttle ***,the Li-S batteries based on the integrated DG-PI separators afford an excellent performance in protecting lithium anode(stable cycles of 200 h at 5 mA·cm^(−2))and good cycling stability with a low capacity decay of 0.05%per cycle after 700 cycles at 1 *** work offers a new design concept of multifunctional Li-S battery separators and broadens the application scope of laser micro-nano fabrication technology.

关键词： lithium-sulfur batteries separators laser-induced graphene intrinsic carbon defects shuttle effect Li dendrites

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