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纤维素/ZnO复合膜的制备及其性能研究

中国造纸 2019年第10期38卷 1-6页

作者：刘茜李顺李建国郑清洪欧阳新华曹石林黄六莲倪永浩陈礼辉福建农林大学生物质基功能材料研究中心

采用醋酸锌、乙醇和乙二醇甲醚比例为1 g∶200μL∶10 mL配制ZnO前驱体溶液,然后将其旋涂在湿纤维素膜表面,进一步通过退火处理获得性能优异的纤维素/ZnO复合膜,并以纤维素/ZnO复合膜为衬底制备透明导电膜。研究表明,提高退火温度,纤维... 详细信息

采用醋酸锌、乙醇和乙二醇甲醚比例为1 g∶200μL∶10 mL配制ZnO前驱体溶液,然后将其旋涂在湿纤维素膜表面,进一步通过退火处理获得性能优异的纤维素/ZnO复合膜,并以纤维素/ZnO复合膜为衬底制备透明导电膜。研究表明,提高退火温度,纤维素/ZnO复合膜的透光率呈现先降低后趋于平稳的趋势。当旋涂转速为2000 r/min,退火温度为23℃时,纤维素/ZnO复合膜的透光率高达89.6%,升高退火温度至160℃,复合膜的透光率降低至86.3%。退火温度和旋涂转速会影响纤维素/ZnO复合膜的热稳定性能,升高退火温度和旋涂转速会提高复合膜的热稳定性能。在80℃和2000 r/min的处理条件下,可以制备形貌比较均匀的纤维素/ZnO复合膜;与纤维素膜相比,以纤维素/ZnO复合膜为衬底制备的透明导电膜,其电阻降低约65%。

关键词：纤维素膜 ZnO 透光率表面形态热稳定性

虚拟仿真技术(VR)在“光伏系统原理与技术”教学中的应用研究

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电子测试 2019年第18期30卷 135-136页

作者：王丽霞陈礼辉黄森慰欧阳新华福建农林大学

本论文在系统地探讨将虚拟仿真技术引入至"光伏系统原理与技术"课程教学中优缺点的基础上,通过虚拟仿真技术的应用,解决传统模式中工程现场教学难以实现的问题,进一步为VR技术在新型数字化教学中的合理应用提供理论指导。

关键词：《光伏系统原理与技术》虚拟仿真技术应用

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功能化富勒烯有机发光材料的研究进展

广东化工 2005年第1期32卷 51-55,19页

作者：靖慧莲曾和平袁国赞周亚东欧阳新华华南师范大学化学系广东广州510631

综述了最近几年来,功能化富勒烯有机小分子、共轭高分子和金属配合物发光材料的国内外研究状况及应用。重点讨论了功能化富勒烯有机分子发光材料的发光性能。

关键词：富勒烯有机发光材料共轭聚合物稀土金属配合物发光性能

A culture-dependent survey of thermophilic bacteria from hot springs in Xiamen area in China

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Acta Oceanologica Sinica 2009年第1期28卷 62-71页

作者： YANG Bo ouyang Jianping AO Jingqun CHEN xinhua Key Laboratory of Marine Biogenetic Resources Third Institute of Oceanography State Oeeanie Administration Xiamen 361005 China

Microbes are believed to play important roles in ecosystem function in many *** hot springs of Xiamen Island are close to the Xiamen Sea,and may have some characteristics different from those of inland hot *** living in the hot springs of Xiamen may have new ***,little is known about microbial communities of hot springs close to the Xiamen Sea.A culture-dependent survey of microbial population in the Xiamen hot springs was performed by using an approach combining total cellular protein profile identification and 16S rRNA gene sequencing.A total of 328 isolates of bacteria were obtained from liquid and sediment samples from the Xiamen hot springs,including neutrophilic thermophilic bacteria and moderately thermophilic *** thermophilic bacteria,which grow at a temperature range of 55-90℃ including Rhodothermus marinus（Strain 1）,Thermus thermophilus（Strain 2）,Thermus thiopara（Strain 3）,Geobacillus stearothermophilus（Strain 4）,Geobacillus thermoleovorans（Strain 5）,and Pseudomonas pseudoalcaligenes（Strain 6）,were recovered by 2216E *** thermophilic acidophiles,which can grow at temperatures above 50℃ and a pH range of 1.8-3.5 such as Alicyclobacillus acidoterrestris（Strain 8）,Sulfobacillus acidophilus（Strain 9）,and Sulfobacillus thermosulfidooxidans（Strain 10）,were isolated on selective solid medium containing sulfur and Fe2＋.Among these strains,Rhodothermus marinus,Thermus thermophilus and Geobacillus stearothermophilus are not only thermophiles,but also *** bacterium strain（Strain 6） shared 99% nucleotide sequence homology with Pseudomonas pseudoalcaligenes on the 16S rRNA gene sequence,but was quite different from Pseudomonas pseudoalcaligenes in biological characteristics,suggesting that it may represent a novel thermophilic *** indicated that various species of neutrophilic thermophiles and moderately thermophilic acidophiles were widely distributed in the Xiamen

关键词： Xiamen sea hot springs thermophilic bacleria moderately thermophilic acidophiles cuhivable microbial community

Multifunctional electroactive bio-adhesive for robustly-integrated wound therapy and postoperative wound-status warning and assessment

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Nano Research 2024年第5期17卷 4359-4370页

作者： ouyang Yue Xuechuan Wang Mengdi Hou Siwei Sun Manhui Zheng Xiaoliang Zou Zhongxue Bai Chunlin Liu xinhua Liu College of Bioresources Chemical and Materials Engineering Shaanxi University of Science&TechnologyXi’an 710021China College of Pharmacy Shaanxi University of Chinese MedicineXi’an 710021China Institute of Basic and Translational Medicine Xi’an Medical UniversityXi’an 710021China School of Mechanical Engineering Chengdu UniversityChengdu 610000China

Wound abnormalities such as secondary wound laceration and inflammation are common postoperative health hazards during clinical *** continuous treatment,healing induction,and real-time visualization of wound status and complications,including wound re-tearing,inflammation,and morphology,are key focal points for comprehensive ***,an on-demand quadruple energy dissipative strategy was proposed for the nanoengineering of a physically and chemically synergistic double-layer gelatin-based bio-adhesive(DLGel)by combining a multi-network adhesive layer and a versatile electroactive energy dissipative layer based on contrivable interlocking micro-pillar arrays and crosslinked polymer *** subtly multiple energy dissipation designs enable DLGel with robust adhesive strength to omnipotently wet and dynamic tissue,providing a basis for reliable wound *** achieves comprehensive wound-healing induction through electrical stimulation and possesses reversible underwater light/thermal adhesion,excellent hemostatic performance,outstanding antimicrobial properties,and self-repair ***,a novel deep-learning strategy is creatively established to respond to mechanical deformation due to wound *** strategy translates biological information into visual graphics,providing real-time early warning and assessment of postoperative wound-abnormality/-morphology,such as laceration,inflammation,and ***,DLGel and its associated signal collection and processing protocol enable the integration of reliable wound closure,wound healing,and real-time postoperative wound-status warning and assessment within the unobservable and undetectable“black box”regions in a context of non-clinical comprehensive therapy.

关键词： electroactive bio-adhesive quadruple energy dissipation comprehensive wound therapy postoperative wound-status warning and assessment

Nature-skin-derived multi-responsive e-skin as on-demand drug-delivery system facilitated melanoma postoperative therapy

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Journal of Materials Science & Technology 2024年第21期188卷 155-168页

作者： Manhui Zheng Xuechuan Wang Jiamin Zhang ouyang Yue Jingyu Zhang Zhongxue Bai Huie Jiang Jiang Wu Ling Wen xinhua Liu College of Bioresources Chemical and Materials Engineering Shaanxi University of Science&TechnologyXi’an 710021China Institute of Biomass&Functional Materials Shaanxi University of Science&TechnologyXi’an 710021China Department of General Surgery The Second Affiliated Hospital of Soochow UniversitySuzhou 215004China School of Pharmaceutical Sciences Key Laboratory of Biotechnology and Pharmaceutical EngineeringWenzhou Medical UniversityWenzhou 325035China Department of Radiology Dushu Lake Hospital Affiliated to Soochow UniversitySuzhou 215000China

An ideal strategy for integrated melanoma treatment involves the pursuit of multifunctional biomaterials that possess adjuvant therapy functions,enabling full-scale postoperative relapse prevention,wound healing,and real-time postoperative *** simulation of electronic skin(e-skin),which emulates the mechanical properties and functions of natural skin,holds significant potential for broad biomedical ***,a novel multi-responsive controlled-release e-skin(PADM-MX-Ag-Si@Dox)was developed using natural porcine dermal matrix,MXene nanosheets,silver nanowires(AgNWs),and mesoporous hollow silica microspheres(TSOHSiO_(2)@Dox)for *** resulting e-skin exhibited temperature-,pH-,and electric-responsiveness due to the incorporation of TSOHSiO_(2)@Dox microspheres,which allowed for on-demand controlled-release of *** biomimetic structure of porcine acellular dermal matrix(PADM)can significantly accelerate the wound healing process under the synergistic effect of electrical stimulation(ES).PADM-MX-Ag-Si@Dox has demonstrated remarkable antimicrobial and electrophysiological activities,thereby establishing a robust basis for enhancing wound healing and facilitating real-time postoperative tumor *** in vitro and in vivo investigations have substantiated that the combined utilization of PADM-MX-Ag-Si@Dox and ES results in a proactive amalgamation of melanoma postoperative relapse prevention,wound healing,and real-time postoperative surveillance,thereby establishing a potent therapeutic approach for postoperative cancer adjuvant therapy and paving the way for novel precision medical care.

关键词： Acellular dermal matrix Multi-responsive properties Drug-delivery system Melanoma postoperative therapy,Wound healing

Model-guided design of a high performance and durability Ni nanofiber/ceria matrix solid oxide fuel cell electrode

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Journal of Energy Chemistry 2021年第5期30卷 98-112页

作者： Mengzheng ouyang Antonio Bertei Samuel J.Cooper Yufei Wu Paul Boldrin xinhua Liu Masashi Kishimoto Huizhi Wang Max Naylor Marlow Jingyi Chen Xiaolong Chen Yuhua Xia Billy Wu Nigel P.Brandon Department of Earth Science and Engineering Imperial College LondonExhibicion RoadLondon SW72AZUnired Kingdom Department of Civil and Industrial Engineering(D1CI) University of PisaLargo Lucio Lazzarino256J22 PisaItaly Dyson School of Design Engineering Imperial College LondonExhibition RoadLondon SW72AZUnited Kingdom Department of Computing Imperial College LondonExhibition RoadLondon SW72AZUnited Kingdom School of Transportation Science and Engineering Beihang UniversityKejiyuan RdHaidianBeijing 100083China Department of Aeronautics and Astronautics Kyoto UniversityYoshidahonmachiSakyo WardKyotoKyoto Prefecture 606-8501Japang Department of Mechanical Engineering Imperial College LondonExhibition RoadLondon SW72AZUnited Kingdom Department of Chemistry University of CambridgeThe Old SchoolsTrinity LnCambridge CB21TNUnited Kingdom

Mixed ionic electronic conductors(MIECs)have attracted increasing attention as anode materials for solid oxide fuel cells(SOFCs)and they hold great promise for lowering the operation temperature of ***,there has been a lack of understanding of the performance-limiting factors and guidelines for rational design of composite metal-MIEC *** a newly-developed approach based on 3 D-tomography and electrochemical impedance spectroscopy,here for the first time we quantify the contribution of the dual-phase boundary(DPB)relative to the three-phase boundary(TPB)reaction pathway on real MIEC electrodes.A new design strategy is developed for Ni/gadolinium doped ceria(CGO)electrodes(a typical MIEC electrode)based on the quantitative analyses and a novel Ni/CGO fiber-matrix structure is proposed and fabricated by combining electrospinning and tape-casting methods using commercial *** only 11.5 vol%nickel,the designer Ni/CGO fiber-matrix electrode shows 32%and 67%lower polarization resistance than a nano-Ni impregnated CGO scaffold electrode and conventional cermet electrode *** results in this paper demonstrate quantitatively using real electrode structures that enhancing DPB and hydrogen kinetics are more efficient strategies to enhance electrode performance than simply increasing TPB.

关键词： Solid oxide fuel cells Electrospinning Electrochemical impedance spectroscopy Tomography 2-d model Ceria

Leather for flexible multifunctional bio-based materials: a review

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Journal of Leather Science and Engineering 2022年第1期4卷 225-240页

作者： Zhongxue Bai Xuechuan Wang Manhui Zheng ouyang Yue Long Xie Siyu Zha Shuyin Dong Tong Li Yanyan Song Mengchen Huang xinhua Liu College of Bioresources Chemical and Materials Engineering Shaanxi University of Science and TechnologyXi’an 710021China College of Chemistry and Chemical Engineering Shaanxi University of Science and TechnologyXi’an 710021ShaanxiChina Institute of Biomass and Functional Materials Shaanxi University of Science and TechnologyXi’an 710021China.

Nowadays, diverse leather usage conditions and increasing demands from consumers challenge the leather industry. Traditional leather manufacturing is facing long-term challenges, including low-value threshold, confined applica-tion fields, and environmental issues. Leather inherits all the biomimetic properties of natural skin such as flexibility, sanitation, cold resistance, biocompatibility, biodegradability, and other cross-domain functions, achieving unre-mitting attention in multi-functional bio-based materials. Series of researches have been devoted to creating and developing leather-based flexible multi-functional bio-materials, including antibacterial leather, conductive leather, flame-retardant leather, self-cleaning leather, aromatic leather, and electromagnetic shielding leather. In this review, we provide a comprehensive overview of the commonly used leather-based functional materials. Furthermore, the possible challenges for the development of functional leathers are proposed, and expected development directions of leather-based functional materials are discussed. This review may promote and inspire the emerging preparation and applications of leather for flexible functional bio-based materials.

关键词： Bio-based materials Functional leather Leather-making Leather chemicals

Proteomic analysis of differential protein expression in Acidithiobacillu ferrooxidans cultivated in high-density potassiumion

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Proteomic analysis of differential protein expression in Aci...