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A novel Ag/ZnO core-shell structure for efficient sterilization synergizing antibiotics and subsequently removing residuals

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Green Energy & Environment 2024年第2期9卷 366-377页

作者： Wenmei Han Wenli Wang Jie Fan Runping Jia Xuchun Yang tong Wu Qingsheng Wu school of Chemical science and engineering Shanghai Key Laboratory of Chemical Assessment and SustainabilityInstitute of Advanced StudyTongji UniversityShanghai200092China College of Textile and Clothing engineering China National Textile and Apparel Council Key Laboratory of Natural DyesSoochow UniversitySuzhou215123China Department of Urology Shanghai First People’s HospitalSchool of MedicineShanghai Jiaotong UniversityShanghai200080China school of Materials science and engineering Shanghai Institute of TechnologyShanghai201418China

The massive use of antibiotics has led to the aggravation of bacterial resistance and also brought environmental pollution *** poses a great threat to human *** the dosage of antibiotics is reduced by increasing its bactericidal performance,the emergence of drug resistance is certainly delayed,so that there's not enough time for developing drug resistance during ***,we selected typical representative materials of metal Ag and semiconductor ZnO nano-bactericides to design and synthesize Ag/ZnO hollow core-shell structures(AZ for short).Antibiotics are grafted on the surface of AZ through rational modification to form a composite sterilization *** research results show that the antibacterial efficiency of the composite system is significantly increased,from the sum(3..7%+22.8%-57.5%)of the antibacterial efficiency of AZ and gentamicin to 80.2%,net synergizes 22.7%,which fully reflects the effect of 1+1>***,the dosage of antibiotics can be drastically reduced in this way,which makes both the possibility of bacterial resistance and medical expenses remarkably ***,residual antibiotics can be degraded under simple illumination using AZ-self as a photocatalyst,which cuts off the path of environmental *** short,such an innovative route has guiding significance for drug resistance.

关键词： Ag/ZnO hollow Core-shell structures Antibiotics Gentamycin Synergistic sterilization Photodegradation

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In-situ transformed Mott-Schottky heterointerface in silver/manganese oxide nanorods boosting oxygen reduction,oxygen evolution,and hydrogen evolution reactions

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Nano Research 2024年第5期17卷 3622-3632页

作者： Ruiqi Cheng Kaiqi Li Huanxin Li Fengzhan Sun Xiaoqian He Tianshuo Zhao jiao Zhang Chaopeng Fu shanghai Key Laboratory of Advanced High-temperature Materials and Precision Forming School of Materials Science and EngineeringShanghai Jiao Tong UniversityShanghai 200240China Christopher Ingold Laboratory Department of ChemistryUniversity College LondonLondon WC1H 0AJUK Department of Chemistry Physical&Theoretical Chemistry LaboratoryUniversity of OxfordSouth Parks RoadOxford OX13QZUK Center of Hydrogen science School of Materials Science and EngineeringShanghai Jiao Tong UniversityShanghai 200240China

The development of non-platinum group metal(non-PGM)and efficient multifunctional electrocatalysts for oxygen reduction reaction(ORR),oxygen evolution reaction(OER),and hydrogen evolution reaction(HER)with high activity and stability remains a great ***,by in-situ transforming silver manganese composite oxide heterointerface into boosted Mott-Schottky heterointerface through a facile carbon reduction strategy,a nanorod-like silver/manganese oxide with superior multifunctional catalytic activities for ORR,OER and HER and stability was *** nanorod-like silver/manganese oxide with Mott-Schottky heterointerface(designated as Ag/Mn_(3.O_(4))exhibits an ORR half-wave potential of 0.83. V(***)in 0.1 M KOH,an OER overpotential of 3.8 mV and a HER overpotential of 177 mV at the current density of 10 mA·cm^(-2)in 1 M KOH,contributing to its noble-metal benchmarks comparable performance in aqueous aluminum-air(Al-air)battery and laboratorial overall water splitting electrolytic ***,in-situ electrochemical Raman and synchrotron radiation spectroscopic measurements were conducted to further illustrate the catalytic mechanism of Ag/Mn_(3.O_(4)Mott-Schottky heterointerface towards various electrocatalytic *** the heterointerface,the Ag phase serves as the electron donor and the active phase for ORR and HER,while the Mn_(3.O_(4)phase serves as the electron acceptor and the active phase for OER,*** work deepens the understanding of the Mott-Schottky effect on electrocatalysis and fills in the gap in fundamental physical principles that are behind measured electrocatalytic activity,which offers substantial implications for the rational design of cost-effective multifunctional electrocatalysts with Mott-Schottky effect.

关键词： heterointerface electron donor-acceptor pair electrocatalyst Al-air battery water splitting

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Quality and Internal Characteristics of Huanghua Pears (Pyrus Pyrifolia Nakai,***) Treated with Different Kinds of Coatings during Long-Term Storage

Quality and Internal Characteristics of Huanghua Pears (Pyru...

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中国园艺学会第八届青年学术讨论会暨现代园艺论坛

作者： Ran Zhou~1 Yun Mo~2 Yunfei Li~(2*) Yanyun Zhao~3.Guixiang Zhang~4 Yunsheng Hu~4 (1 Institute of Refrigeration & Cryogenic engineering,shanghai jiao {3. university,shanghai,china 2 Department of Food science & Technology,school of Agriculture and Biology,shanghai jiao {3. university,shanghai,china 3.Department of Food science & Technology,Oregon State university,Corvallis,USA 4 Department of Radiology,shanghai jiao {3. university Affiliated First People’s Hospital,shanghai,china)

We studied the quality of and internal changes in Huanghua pears (Pyrus pyrifolia Nakai,***) coated with shellac,SemperfreshTM (sucrose polyester base coating),and carboxymethyl chitosan (CMC) during cold storage (4℃). The changes in respiration rate,weight loss,cell membrane permeability and texture profile analysis (TPA) such as hardness, brittleness and chewiness were recorded periodically for up to 60 days after harvest to compare the effects of the applied coatings. Magnetic resonance imaging was used to inspect the internal characteristics of pears after *** soluble solid contents (SSCs),titratahle acidity,ascorbic acid concentration,and taste scores were also *** data suggested that shellac coating was more effective in reducing the respiration rate and weight loss and in maintaining the quality of pears than Semperfresh and CMC coatings.

关键词： Huanghua pears Coatings Cold storage Quality TPA Magnetic resonance imaging

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Broadening environmental research in the era of accurate protein structure determination and predictions

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Frontiers of environmental science & engineering 2024年第7期18卷 169-178页

作者： Mingda Zhou tong Wang Ke Xu Han Wang Zibin Li Wei-xian Zhang Yayi Wang State Key Laboratory of Pollution Control and Resources Reuse Shanghai Institute of Pollution Control and Ecological SecurityCollege of Environmental Science and EngineeringTongji UniversityShanghai 200092China Translational Research Institute of Brain and Brain-Like Intelligence Shanghai Fourth People's HospitalSchool of MedicineTongji UniversityShanghai 200434China

The deep-learning protein structure prediction method AlphaFold2 has garnered enormous attention beyond the realm of structural biology,for its groundbreaking contribution to solving the"protein foiding problem"In this perspective,we explore the connection between protein structure studies and environmental research,delving into the potential for addressing specific environmental *** are promising for environmental applications because of the functional diversity endowed by their structural ***,structural studies on proteins with environmental significance remain ***,we present the opportunity to study proteins by advancing experimental determination and deep-learning prediction ***,the latest progress in environmental research via cryogenic electron microscopy is *** allows us to determine the structure of protein complexes in their native state within cells at molecular resolution,revealing environmentally-associated structural *** the remarkable advancements in computational power and experimental resolution,the study of protein structure and dynamics has reached unprecedented depth and *** advancements will undoubtedly accelerate the establishment of comprehensive environmental protein structural and functional *** opportunities for protein engineering exist to enable innovative solutions for environmental applications,such as the degradation of persistent contaminants,and the recovery of valuable metals as well as rare earth elements.

关键词： environmental proteins Protein structure Cryogenic electron microscopy Protein structure prediction Protein engineering Artificial Intelligence

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Computational analysis of fluid-structure interaction in moving mechanical valves

Computational analysis of fluid-structure interaction in mov...

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第五届国际非线性力学会议

作者： De-cheng Wan (State Key Laboratory of Ocean engineering school of Naval Architecture Ocean and Civil engineering {3. jiao tong university {3. 2.0030 china)

＜正＞The multigrid fictitious boundary finite element method for numerical simulations of a two-dimensional induced-moving rigid heart valve in a channel with sinus cavity was *** main advantage of this methodology is to allow the numerical treatment on a fixed structured mesh and the use of fast *** examples were provided to show the efficiency of the presented method for detailed simulations of valve induced-motion and fluid flows around the valve in incompressible viscous flows.

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The 12th International Multimedia Modelling Conference(MMM2006)

作者： Dongdong Nie 1 Lizhuang Ma 1 Shuangjiu Xiao 2 1 Computer science & engineering Department shanghai {3. tong university 2 school of Software shanghai {3. tong university

A similarity based image inpainting method is introduced in this paper,which can be used to automatically fill the regions needing to be erased by using the surrounding information in the *** method is based on analyzing the previous image inpainting methods,especially improving the method proposed by Criminisi et *** our method,a more robust method is adopted to compute the filling order,which overcome the problem arising when the image gradients of some pixels on the source region contour are just *** a new mapping term is proposed in computing the matching cost to penalize the source regions repeatedly sampled,which practically avoid the artificial repetition problem in the inpainted results.

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Elevated Temperature Mechanical Behavior of Mg-Y-Zn Alloys

Elevated Temperature Mechanical Behavior of Mg-Y-Zn Alloys

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Second International Conference on Magnesium(ICM 2006)

作者： Bin Chen, Dongliang Lin, Xiaoqin Zeng, Chen Lu National engineering Research Center for Light Alloy Net Forming, school of Materials science and engineering, shanghai jiao tong university, shanghai 2.0030, china Key Laboratory of the Educational Ministry for High Temperature Materials and Testing, school of Materials science and engineering, shanghai jiao tong university, shanghai 2.0030, P. R. china

The elevated temperature mechanical behavior of Mg-Y-Zn alloys was investigated. It was found that the extruded Mg-Y-Zn alloy exhibited excellent mechanical properties both at ambient temperature and elevated temperature. With the increase of tensile temperature, the ultimate tensile strengths of Mg-Y-Zn alloys decreased and their elongations increased. The ultimate tensile strengths increased and elongations decreased with the increase of yttrium content. However, a gradual increase in the ultimate tensile strength and elongation both at ambient temperature and elevated temperature was obtained by increasing both yttrium and zinc contents. The fracture modes of Mg-Y-Zn alloys at different tensile temperature were also investigated.

关键词： Mg-Y-Zn alloy, mechanical property

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Genomic research for important pathogenic bacteria in china

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science china(Life sciences) 2009年第1期52卷 50-63页

作者： YANG RuiFu1,GUO XiaoKui2,YANG Jian3.JIANG YongQiang1,PANG Bo4,CHEN Chen5,YAO YuFeng2,QIN JinHong2 & LI QingTian2 1 Laboratory of Analytical Microbiology,State Key Laboratory of Pathogen and Biosecurity,Beijing Institute of Microbiology and Epidemiology,Beijing 100071,china 2 Department of Medical Microbiology and Parasitology,Institutes of Medical sciences,shanghai {3. tong university school of Medicine,shanghai 200025,china 3.State Key Laboratory for Molecular Virology and Genetic engineering,Institute of Pathogen Biology,Chinese Academy of Medical sciences,Beijing 100176,china 4 State Key Laboratory for Infectious Disease Prevention and Control,Institute for Communicable Disease Control and Prevention,Chinese Center for Disease Control and Prevention,Beijing 102206,china 5 Beijing Genomics Institute at Shenzhen,Shenzhen 518083.china 1. Laboratory of Analytical Microbiology State Key Laboratory of Pathogen and Biosecurity Beijing Institute of Microbiology and Epidemiology Beijing 100071 China 2. Department of Medical Microbiology and Parasitology Institutes of Medical Sciences Shanghai Jiao Tong University School of Medicine Shanghai 200025 China 3. State Key Laboratory for Molecular Virology and Genetic engineering Institute of Pathogen Biology Chinese Academy of Medical Sciences Beijing 100176 China 4. State Key Laboratory for Infectious Disease Prevention and Control Institute for Communicable Disease Control and Prevention Chinese Center for Disease Control and Prevention Beijing 102206 China 5. Beijing Genomics Institute at Shenzhen Shenzhen 518083 China

Rapid accumulation of bacterial genomic data offered an unprecedented opportunity to understand bacterial biology from a holistic view of *** can thus closely look at the way in which a pathogen is evolved,and these data has been applied to molecular epidemiology and microbial forensics,and screening of novel diagnostic,vaccine and drug *** newly developed high-throughput low-cost sequencing technologies,such as 454,Solexa and SOLiD,will promote the acquisition and application of genomic data in new research areas that we dared not imagine previously,such as the metagenomics of human gastric-intestinal tract,for better and comprehensive understanding of human health and disease.

关键词： genome pathogenic bacteria sequencing application

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Manipulation of Na_(3.V_(2)(PO_(4))_(2)F_(3. via aluminum doping to alter local electron states toward an advanced cathode for sodiumion batteries

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Rare Metals 2024年第9期43卷 4253-4262页

作者： Shi-Min Wang Jin-Qi Li Li Xu Meng-jiao Sun Wen-Jin Huang Qing Liu Fu-tong Ren Yong-Jiang Sun Ling-Yan Duan Hang Ma Hong Guo International Joint Research Center for Advanced Energy Materials of Yunnan Province Yunnan Key Laboratory of Carbon Neutrality and Green Low-Carbon TechnologiesSchool of Materials and EnergyYunnan UniversityKunming 650091China College of environmental and Chemical engineering Metallurgy CollegeKunming 650033China R&D Center Yunnan Yuntianhua Co.LtdKunming 650228China Southwest United Graduate school Kunming 650091China

With its unique 3. skeleton structure and exceptional cyclic stability,the Na^(+)superionic conducto(NASICON)-type Na_(3.V_(2)(PO_(4))_(2)F_(3.(NVPF)has been con sidered as a competitive cathode material for advanced Na ion ***,the release of fluorine during th heat treatment leads to the formation of an additional phas Na_(3.V_(2)(PO_(4))_(3.(NVP),which results in a low-voltage plateau and compromises the energy ***,we modulat the local electronic states of the V site by aluminum sub stitution to strengthen the stability of *** results confirm that the aluminum introduction not only changes the loca electron states of V sites,significantly reducing the for mation of NVP by-product from 6.71 wt%to 1.01 wt%but also effectively reduces the band gap,improving th electronic conductivity of *** optimized Na_(3.V_(1.9)Al_(0.1)(PO_(4))_(2)F_(3.exhibits higher energy density of 3.0 Wh·kg^(-1)and excellent rate performance of 106.7 mAh·g^(-1)at 10C compared with the pristine cathode.

关键词： Sodium-ion energy storage batteries Cathode NASICON Doping Electrochemistry

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我国股票市场的价值基础及价格泡沫研究

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同济大学学报（自然科学版） 2004年第4期32卷 534-538页

作者：徐爱农申红同济大学沪西校区运输管理工程系上海财经大学统计系上海200083

借助剩余收益模型测定了我国股票市场1992年至2002年历年年末的市场价值基础,并探讨了股票市场价格泡沫问题.研究结果表明,尽管上市公司的盈利能力不断下降,但市场的价值基础并未出现明显下降;由于市场的不成熟,我国股票市场中的泡沫成... 详细信息

借助剩余收益模型测定了我国股票市场1992年至2002年历年年末的市场价值基础,并探讨了股票市场价格泡沫问题.研究结果表明,尽管上市公司的盈利能力不断下降,但市场的价值基础并未出现明显下降;由于市场的不成熟,我国股票市场中的泡沫成分较多;股价指数及市盈率指标不具有价格泡沫及投资价值的判断功能.

关键词：股票股票市场剩余收益模型泡沫市盈率

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