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Composition Engineering Opens an Avenue Toward Efficient and Sustainable Nitrogen Fixation

Energy & Environmental Materials 2024年第1期7卷 313-325页

作者： Xiaolin Wang Liming Yang Key Laboratory of Material Chemistry for Energy Conversion and Storage Ministry of EducationWuhan 430074China Hubei Key Laboratory of Materials Chemistry and Service Failure Wuhan 430074China Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica Wuhan 430074China Hubei Engineering research center for Biomaterials and Medical protective Materials Wuhan 430074China School of Chemistry and Chemical Engineering Huazhong University of Science and TechnologyWuhan 430074China

In this work,we open an avenue toward rational design of potential efficient catalysts for sustainable ammonia synthesis through composition engineering strategy by exploiting the synergistic effects among the active sites as exemplified by diatomic metals anchored graphdiyne via the combination of hierarchical high-throughput screening,first-principles calculations,and molecular dynamics *** 43 highly efficient catalysts feature ultralow onset potentials(|U_(onset)|≤0.40 V)with Rh-Hf and Rh-Ta showing negligible onset potentials of 0 and-0.04 V,*** high catalytic activities of Rh-Hf and Rh-Ta can be ascribed to the synergistic *** forming heteronuclears,the combinations of relatively weak(such as Rh)and relatively strong(such as Hf or Ta)components usually lead to the optimal strengths of adsorption Gibbs free energies of reaction *** origin can be ascribed to the mediate d-band centers of Rh-Hf and Rh-Ta,which lead to the optimal adsorption strengths of intermediates,thereby bringing the high catalytic *** work provides a new and general strategy toward the architecture of highly efficient catalysts not only for electrocatalytic nitrogen reduction reaction(eNRR)but also for other important *** expect that our work will boost both experimental and theoretical efforts in this direction.

关键词： composition engineering strategy diatomic catalysts electrocatalytic nitrogen reduction reaction first-principles calculations graphdiyne hierarchical high-throughput screening synergistic effects

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Recent Progress for Gallium-Based Liquid Metal in Smart Wearable Textiles

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Journal of Donghua University(English Edition) 2020年第3期37卷 181-190页

作者： TIAN Mingwei QI Xiangjun QU Lijun College of Textiles and clothing Qingdao UniversityQingdao 266071China State Key Laboratory of Bio-Fibers and Eco-Textiles Qingdao UniversityQingdao 266071China research center for Intelligent and Wearable Technology Qingdao UniversityQingdao 266071China

The development of smart textiles has presentend new requirements for integrated devices that can be compatible with both conductivity and *** room temperature,liquid metal presents both metallic properties and flexible properties,as well as low toxicity and biocompatible,which makes it more and more popular on the research of liquid metal based electronic *** review summarizes the basic physical properties,and the key points to be fabricated into fibers and fabrics including oxides and ***,the application in the field of textiles is *** metal based electrical conductive fibers and flexible sensors can be fabricated mainly by injection and printing,as well as direct-writing for smart *** metal can be integrated as functional components for smart wearable devices in the future by assembling the as-prepared fibers and fabrics with textile technology,such as twisting,sewing,knitting,and embroidering.

关键词： smart wearable device liquid metal conductive fiber flexible sensor smart fabric

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Data Analysis for High Throughput Detection of 18 Phthalates in Textiles Based on High Resolution Mass Spectrometry

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Journal of Donghua University(English Edition) 2019年第2期36卷 158-162页

作者： QU Lianyi LUO Xin NIU Zengyuan YE Xiwen ZHANG Li TANG Zhixu ZHANG Lin ZHU Ping College of Textiles&clothing Qingdao UniversityQingdao 266000China Inspection and Quarantine Technical center Qingdao CustomsQingdao 266002China

Liquid chromatography coupled to high resolution mass spectrometry(LC-HRMS)was used to establish a high throughput and sensitive method for 18 phthalic acid esters(PAEs)in *** method was applied to screen PAEs in 413 textile samples and 7 434 pieces of test data were *** discussion was conducted about specific compounds,textile materials,detected value distribution and positive rate of ***-nine percent of samples were detected with PAEs,and no samples were detected beyond *** phthalate(DiBP),Dibutyl phthalate(DBP)and Di-2-ethylhexyl phthalate(DEHP)were detected with high frequency,and most samples were fabrics with coating and *** study can be used to reflect distribution of phthalate residues in textiles on the market and provide data support for risk assessment of PAEs for textile producers and consumers.

关键词： high resolution mass spectrometry textile phthalic acid esters PAEs data analysis

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One Step Fabrication and Application of Antibacterial Electrospun Zein/Cinnamon Oil Membrane Wound Dressing via In situ Electrospinning Process

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Chemical research in Chinese Universities 2021年第3期37卷 464-469页

作者： QIN Mei LIU Daqing DAI Zhang MENG Xin LIU Guosai LIU Hao HUANG Xiaowei YAN Xu CHEN Shaojuan Industrial research Institute of Nonwovens&Technical Textiles College of Textiles&ClothingShandong Center for Engineered NonwovensQingdao UniversityQingdao266071P.R.China State Key Laboratory of Bio-Fibers and Eco-Textiles Qingdao UniversityQingdao266071P.R.China Collaborative Innovation center for Eco-Textiles of Shandong Province Qingdao UniversityQingdao266071P.R.China

Antibacterial wound dressing can benefit the wound healing by preventing bacterial infection,especially for the electrospun ones due to their porous structures and easily loading antibacterial ***,it is challenging to apply the antibacterial electrospun wound dressing to covering the wound conveniently and ***,we presented one step fabrication and application of antibacterial electrospun zein/cinnamon oil wound dressing via a handheld electrospinning *** prepared zein/cinnamon oil wound dressing showed gas permeability of(76.1-5.45)mm/s,hydrophilicity with zero body fluid contact angle,swelling stability after 24 h as well as antibacterial zones over 5 cm against both *** and *** ***,in situ electrospinning process can deposit the electrospun zein/cinnamon oil fibers directly onto the wound,meantime forming a wound *** mice cut-wound model experiment demonstrated that the one step in situ fabrication and application of zein/cinnamon oil wound dressing could nearly heal the wound within 11 d.

关键词： In situ electrospinning Antibacterial wound dressing Zein Cinnamon oil

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Oblique perforation of thick metallic plates by rigid projectiles

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Acta Mechanica Sinica 2006年第4期22卷 367-376页

作者： Xiaowei Chen Qingming Li Saucheong Fan Institute of Structural Mechanics China Academy of Engineering Physics P.O. Box 919-414 Mianyang 621900 China School of Mechanical Aerospace and Civil Engineering The University of Manchester P.O. Box 88 Pariser Building Manchester M60 1QD UK protective Technology research center School of Civil and Environmental Engineering Nanyang Technological University Nanyang Avenue Nanyang Singapore 639798

Oblique perforation of thick metallic plates by rigid projectiles with various nose shapes is studied in this paper. Two perforation mechanisms, i.e., the hole enlargement for a sharp projectile nose and the plugging formation for a blunt projectile nose, are considered in the proposed analytical model. It is shown that the perforation of a thick plate is dominated by several non-dimensional numbers, i.e., the impact function, the geometry function of projectile, the non-dimensional thickness of target and the impact obliquity. Explicit formulae are obtained to predict the ballistic limit, residual velocity and directional change for the oblique perforation of thick metallic plates. The proposed model is able to predict the critical condition for the occurrence of ricochet. The proposed model is validated by comparing the predictions with other existing models and independent experimental data.

关键词： Oblique perforation Ballistic limit Metallic plate. Rigid projectile Shear plugging

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Dry Machining Tool Design via Chlorine Ion Implantation

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材料热处理学报 2004年第05B期25卷 879-882页

作者： Tatsuhiko Aizawa Atsushi Mitsuo Shigeo Yamamoto Shinji Muraishi Taro Sumitomo center for Collaborate research University of Tokyo Tokyo JapanTokyo Metropolitan Industrial Research Institute Tokyo JapanTokyo Metropolitan Industrial Research Institute Tokyo JapanDepartment of Materials Science Technology Tokyo Institute of Technology Tokyo JapanCenter for Collaborate Research University of Tokyo Tokyo Japan

Dry machining has become a key issue to significantly reduce the wastes of used lubricants and cleaning agents and to improve the environmental consciousness for medical and food applications of special tooling. Since the tools and metallic works are in direct contact in dry, severe adhesive wear and oxidation are thought to occur even at the presence of hard protective coatings. Self-lubrication mechanism with use of lubricous oxide films is found to be effective for dry machining. Through the chlorine ion implantation to tools, titanium base oxides are in-situ formed on the tool surface. This oxide deforms elasto-plastically so that both friction coefficient and wear volume are reduced even in the high-speed cutting.

关键词：氯离子注入自动润滑 TiN涂层 TiCN涂层干机械加工

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One-step Eco-friendly Fabrication of Antibacterial Polyester Via On-line Amination Reaction by Melt Coextrusion

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Journal of Wuhan University of Technology(Materials Science) 2023年第5期38卷 1205-1212页

作者： ZHANG Huan ZHAO Qinghua ZHONG Yaping CAI Ruiyan LIU Ke WANG Dong LU Zhentan Key Laboratory of Textile Fiber and Products Wuhan Textile UniversityMinistry of EducationHubei International Scientific and Technological Cooperation Base of Intelligent Textile Materials&ApplicationSchool of Materials Science and EngineeringWuhan Textile UniversityWuhan 430200China Guangdong Engineering Technology research center of Functional Fibers for clothing Guangdong BobaolonCo.Ltd.Puning515300China

The work is dedicated to develop a one-step eco-friendly method to prepare antibacterial polyethylene terephthalate(PET).We report a one-step eco-friendly method to manufacture antibacterial PET via on-line amination reaction by melt *** evenly mixing of poly(hexamethylene guanidine)(PHMG)and PET in the melt coextrusion procedure,the amination reaction also occurred between PHMG and PET under high temperature(230-270℃).The antibacterial ability of composite PET showed obvious PHMG concentration dependence,and antibacterial activity reached more than 99%when PHMG content was 2.5 wt%.Moreover,LIVE/DEAD fluorescence test further confirmed that the composite PET could kill bacteria quickly and efiectively(within 30 min);while negligible cytotoxicity was observed to HSF and HUVEC *** eco-friendly fabrication of composite antibacterial PET was accomplished by on-line melt *** composite antibacterial PET has potential use in multiple fields to combat with pathogenic including textiles,packaging materials,decoration materials and biomedical devices,etc.

关键词： antibacterial polyester one-step eco-friendly method on-line amination reaction melt coextrusion cytocompatibility

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Recent Progress of the Active Materials with Various Micro‑structures for Flexible Textile‑Based Supercapacitors

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Advanced Fiber Materials 2022年第5期4卷 1005-1026页

作者： Ming Li Zengqing Li Lijun Qu Fuxing Chen Mingwei Tian research center for Intelligent and Wearable Technology State Key Laboratory of Bio‑Fibers and Eco‑TextilesIntelligent Wearable Engineering Research Center of QingdaoCollege of Textiles and ClothingQingdao UniversityQingdao 266071People’s Republic of China Qingdao Qichu Intelligent Technology Co. LTDQingdao 266071People’s Republic of China Jiangsu College of Engineering and Technology Nantong 226007JiangsuPeople’s Republic of China Anhui Disheng Weaving Finishing Co.LTD Bozhou 233600AnhuiPeople’s Republic of China

Flexible textile-based supercapacitors have exhibited great potential for use in e-textile systems due to their high flexibility,light weight and ease of integration into the textile *** capacitance and energy density of current textile-based supercapacitors,however,are insufficient to meet the high demands of wearable electronics and smart *** review summarizes the recent progress of enhancement methods regarding textile-based supercapacitors,including the multidimen-sional nanostructure of active materials,the structural designs of textile substrates and the wearable ***,the remaining challenges and future prospects of constructing high-performance flexible textile-based supercapacitors for smart textiles and wearable electronics are also proposed.

关键词： Supercapacitors Performance enhancement Nanostructure Textile Multidimensional structure design

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ROS-initiated in-situ polymerization of diacetylene-containing lipidated peptide amphiphile in living cells

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Science China Materials 2022年第10期65卷 2861-2870页

作者： Niannian Lv Teng Ma Huimin Qin Zhuo-Ran Yang Yanggui Wu Danqi Li Juan Tao Hao Jiang Jintao Zhu Hubei Engineering research center for Biomaterials and Medical protective Materials School of Chemistry and Chemical EngineeringHuazhong University of Science and Technology(HUST)Wuhan 430074China Department of Dermatology Union HospitalTongji Medical CollegeHUSTWuhan 430022China

Recently,in-situ polymerization inside living cells has attracted much attention due to the efficient cellular internalization and elevated drug ***,the lack of tracking of the in-situ polymerization process and the unclear effects of polymerization on cellular functions restrict its biomedical ***,we designed a Y-shaped diacetylene-containing lipidated peptide amphiphile(YDLPA1)with positive charges,which underwent in-situ polymerization initiated by reactive oxygen species in the intracellular *** comparison,zwitterionic YDLPA2 and negatively charged Y-DLPA3 were polymerized in aqueous solution,but cannot polymerize in the intracellular *** polymerized Y-DLPA1 with red fluorescence provides a platform to label cells for long-term tracking *** polymerization reaction induced tumor cell apoptosis,increased cell viscosity and decreased cell motility,which potentially inhibited tumor metastasis and served as a novel antitumor *** work provides a novel strategy to track in-situ polymerization process and modulate cell biofunctions.

关键词： diacetylene lipidated peptide amphiphile electrostatic interaction reactive oxygen species in-cellulo polymerization

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Impurity-limited quantum transport variability in magnetic tunnel junctions

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Frontiers of physics 2017年第4期12卷 147-152页

作者： Jianing Zhuang Yin Wang Yan Zhou Jian Wang Hong Guo Department of Physics and the center of Theoretical and Computational Physics The University of Hong Kong Pokfulam Road Hong Kong SAR China Institute of Textiles and clothing Hong Kong Polytechnic University Kowloon Hong Kong SAR China The University of Hong Kong Shenzhen Institute of research and Innovation Shenzhen 518057 China center for the Physics of Materials and Department of Physics McGill University Montreal PQ Canada H3A 2T8

We report an extensive first-principles investigation of impurity-induced device-to-device variability of spin-polarized quantum tunneling through Fe/MgO/Fe magnetic tunnel junctions （MTJ）. In particular, we calculated the tunnel magnetoresistance ratio （TMR） and the average values and variances of the currents and spin transfer torque （STT） of an interfacially doped Fe/MgO/Fe MTJ. Further, we predicted that N-doped MgO can improve the performance of a doped Fe/MgO/Fe MTJ. Our first- principles calculations of the fluctuations of the on/off currents and STT provide vital information for future predictions of the long-term reliability of production. spintronic devices, which is imperative for high-volume

关键词： megnetic tunnel junctions tunnel magnetoresistance first principles NEGF-DFT

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