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Cancer Biology & Medicine 2024年第10期21卷 844-848页

作者： Xu Bao dongyang li Wei Zhang Department of Hepatobiliary Cancer Research Center for Prevention and Treatment of Liver CancerTianjin Medical University Cancer Institute and HospitalTianjin 300060China National Clinical Research Center for Cancer Key Laboratory of Cancer Prevention and TherapyTianjin's Clinical Research Center for CancerHuan Hu Xi RoadTianjin 300060China

Gallbladder cancer(GBC)is a common malignant tumor often diagnosed in advanced *** is among the most important treatments for *** resection of GBC involves removal of the gallbladder and the gallbladder bed[liver segments(S)4b and 5],and hepatoduodenal ligament regional *** main GBC metastasis modes are blood and lymph node *** scope of resection/wedge resection or regular S4b and S5 hepatectomy for blood metastasis is a matter of debate.A variety of hepatectomy methods have been proposed for T2 stage GBC,but no consensus has been reached regarding the scope of radical ***,the liver resection range is determined by branches of the portal vein.S4b and S5 hepatectomy is determined according to the liver portal vein branch perfusion area,but the rationale for liver resection for GBC is to eliminate potential metastasis from the cystic vein reflux area to the *** the case described herein,we used a novel technique and theoretical framework to conduct laparoscopic radical resection of gallbladder cancer(LRRGC)facilitated by staining of the liver draining area with an indocyanine green(ICG)injection into the cholecystic artery.

关键词： gallbladder injection Surgery

Dark Forest Algorithm:A Novel Metaheuristic Algorithm for Global Optimization Problems

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Computers, Materials & Continua 2023年第5期75卷 2775-2803页

作者： dongyang li Shiyu Du Yiming Zhang Meiting Zhao Faculty of Electrical Engineering and Computer Science Ningbo UniversityNingbo315000China Engineering Laboratory of Advanced Energy Materials Ningbo Institute of Materials Technology and EngineeringChinese Academy of SciencesNingbo315000China School of Material and Chemical Engineering Ningbo UniversityNingbo315000China

Metaheuristic algorithms,as effective methods for solving optimization problems,have recently attracted considerable attention in science and engineering *** are popular and have broad applications owing to their high efficiency and low *** algorithms are generally based on the behaviors observed in nature,physical sciences,or *** study proposes a novel metaheuristic algorithm called dark forest algorithm(DFA),which can yield improved optimization results for global optimization *** DFA,the population is divided into four groups:highest civilization,advanced civilization,normal civilization,and low *** civilization has a unique way of *** verify DFA’s capability,the performance of DFA on 35 well-known benchmark functions is compared with that of six other metaheuristic algorithms,including artificial bee colony algorithm,firefly algorithm,grey wolf optimizer,harmony search algorithm,grasshopper optimization algorithm,and whale optimization *** results show that DFA provides solutions with improved efficiency for problems with low dimensions and outperforms most other algorithms when solving high dimensional *** applied to five engineering projects to demonstrate its *** results show that the performance of DFA is competitive to that of current well-known metaheuristic ***,potential upgrading routes for DFA are proposed as possible future developments.

关键词： Metaheuristic algorithm global optimization

Molecular interaction mechanism in the separation of a binary azeotropic system by extractive distillation with ionic liquid

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Green Energy & Environment 2021年第3期6卷 329-338页

作者： Hong li Guanlun Sun dongyang li li Xi Peng Zhou Xingang li Ji Zhang Xin Gao School of Chemical Engineering and Technology National Engineering Research Center of Distillation TechnologyCollaborative Innovation Center of Chemical Science and Engineering(Tianjin)Tianjin UniversityTianjin300072China Department of Chemical Engineering McMaster UniversityHamiltonOntarioL8S 4L7Canada

Ionic liquids(ILs)have shown excellent performance in the separation of binary azeotropes through extractive distillation[1].But the role of the ionic liquid in azeotropic system is not well *** this paper,COSMO-RS model was applied to screen an appropriate IL to separate the binary azeotrope of ethyl acetate(EA)and ethanol and 1-octyl-3-methylimidazolium tetrafluoroborate([OMIM][BF4])was *** Quantum Mechanics(QM)calculations and molecular dynamics(MD)simulation are performed to study the interactions between the solvent molecules and[OMIM][BF4],in order to investigate the separation mechanism at the molecular *** nature of the interactions is studied through the reduced density gradient(RDG)function and quantum theory of Atom in Molecule(QTAIM).Hydrogen bonds and van der Waals interactions are the key interactions in the *** results of MD simulations indicate that the introduction of ILs has a prominent effect on the interaction between the solvent molecules,especially on reducing the number of hydrogen bonds among the solvent *** radial distribution function(RDF)reveals that the interaction between the cation and solvent molecules will increase while the concentration of ILs *** paper provides important information for understanding the role of ILs in the separation of the azeotropic system,which is valuable to the development of new entrainers.

关键词： Ionic liquids Azeotrope Density functional theory Separation Extractive distillation

NONCONFORMING FINITE ELEMENT PENALTY METHOD FOR STOKES EQUATION

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Applied Mathematics(A Journal of Chinese Universities) 1998年第1期13卷 53-58页

作者： SHI dongyang, FENG WEIBING AND li KAITAI Department of Applied Mathematics Xi’an Jiaotong University Xi’an

a special penalty method is presented to improve the accuracy of the standard penalty method for solving Stokes equation with nonconforming finite *** is shown that this method with a larger penalty parameter can achieve the same accuracy as the standard method with a smaller penalty parameter. The convergence rate of the standard method is just half order of this penalty method when using the same penalty parameter, while the extrapolation method proposed by Faik et al can not yield so high accuracy of *** last, we also get the super convergence estimates for total flux. Received October 14, 1996 1991 MR Subject Classification: 65N30.

关键词： Special method Stokes equation standard method.

The regulation of biothiol-responsive performance and bioimaging application of benzo[c][1,2,5]oxadiazole dyes

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Chinese Chemical Letters 2020年第11期31卷 2891-2896页

作者： dongyang li Weijie Chen Sheng Hua liu Xiaoqiang Chen Jun Yin Key Laboratory of Pesticide and Chemical Biology.Ministry of Education Hubei International Scientific and Technological Cooperation Base of Pesticide and Green SynthesisInternational Joint Research Center for Intelligent Biosensing Technology and HealthCollege of ChemistryCentral China Normal UniversityWuhan 430079China State Key Laboratory of Materials-Oriented Chemical Engineering College of Chemical EngineeringJiangsu National Synergetic Innovation Center for Advanced Materials(SICAM)Nanjing Tech UniversityNanjing 211816China

The different oxidation states of sulphur atom play a significant role on functional *** this work,a aryl-thioether and its sulphone substituted benzo[c][1,2,5]oxadiazole dyes were synthesized and utilized to determine thiol-containing amino *** result of selectivity experiments showed they detected the cysteine and homocysteine under physiological condition with negligible interference from other amino *** comparison to the thioether dye,the sulphone-based dye exhibited much faster response time for Cys and ***,the sulphone restricted its thiol-reactivity and bioimaging performance in living *** reducing the oxidation state of sulphur atom,we amazedly found that the sulfoxide-based dye still maintained high selectivity ultrafast response time for Cys/Hcy under physiological *** was worth mentioning that it also had high reactivity and good bioimaging performance that sulfone compounds did not have.

关键词： Benzo[c]oxadiazole dye Sulfoxide Sulphone Thiol response

Controllable resistive switching of STO:Ag/SiO2-based memristor synapse for neuromorphic computing

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Journal of Materials Science & Technology 2022年第2期97卷 254-263页

作者： Nasir Ilyas Jingyong Wang Chunmei li Hao Fu dongyang li Xiangdong Jiang Deen Gu Yadong Jiang Wei li School of Optoelectronic Science and Engineering University of Electronic Science and Technology of ChinaChengdu 610054China State Key Laboratory of Electronic Thin Films and Integrated Devices University of Electronic Science and Technology of ChinaChengdu 610054China School of Physics University of Electronic Science and Technology of ChinaChengdu 610054China

Resistive random-access memory(RRAM)is a promising technology to develop nonvolatile memory and artificial synaptic devices for brain-inspired neuromorphic ***,we have developed a STO:Ag/SiO_(2) bilayer based memristor that has exhibited a filamentary resistive switching with stable endurance and long-term data retention *** memristor also exhibits a tunable resistance modulation under positive and negative pulse trains,which could fully mimic the potentiation and depression behavior like a *** synaptic plasticity functions,including long-term potentiation(LTP)and long-term depression(LTD),paired-pulsed facilitation(PPF),spike-rate-dependent-plasticity(SRDP),and post-tetanic potentiation(PTP),are faithfully implemented with the fabricated ***,to demonstrate the feasibility of our memristor synapse for neuromorphic applications,spike-timedependent plasticity(STDP)is also *** on conductive atomic force microscopy observations and electrical transport model analyses,it can be concluded that it is the controlled formation and rupture of Ag filaments that are responsible for the resistive switching while exhibiting a switching ratio of~10;along with a good endurance and stability suitable for nonvolatile memory *** fully electroforming,the gradual conductance modulation of Ag/STO:Ag/SiO_(2)/p^(++)-Si memristor can be realized,and the working mechanism could be explained by the succeeding growth and contraction of Ag filaments promoted by a redox *** newly fabricated memristor may enable the development of nonvolatile memory and realize controllable resistance/weight modulation when applied as an artificial synapse for neuromorphic computing.

关键词： Ag/STO:Ag/SiO2/p++-Si memristor Filamentary resistive switching Resistance/weight modulation Synaptic plasticity Normomorphic computing

Catalytic transformation of 4-nitrophenol into 4-aminophenol over ZnO nanowire array-decorated Cu nanoparticles

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Green Chemical Engineering 2024年第2期5卷 205-212页

作者： Anlin Feng Chaoyu lin Huiqin Zhou Weihong Jin Yidong Hu dongyang li Qingyang li Institute of Advanced Wear&Corrosion Resistant and Functional Materials Jinan UniversityGuangzhou510632China School of Chemical Engineering and Technology Hebei University of TechnologyTianjin300401China Department of Chemical and Materials Engineering University of AlbertaEdmontonT6G 2H5Canada

To realize economical and effective removal of hazardous 4-nitrophenol from the environment,we developed an easily recyclable ZnO nanowire array decorated with Cu *** salix argyracea-shaped structure not only provides a platform to achieve stable and good dispersion of Cu nanoparticles,but also offers a great deal of catalytically active *** density functional theory calculations reveal that ZnO and Cu have a very beneficial synergistic effect on their catalytic *** synergy is ascribed to the electronic localization occurring at ZnO/Cu interface,which helps improve Cu nanoparticle’s ability to adsorb electro-negatively 4-nitrophenolate ions and to capture hydrogen radicals,thereby accelerating the hydrogen transfer from metal hydride complex to *** from these characteristics,it exhibits high efficiency and reusability towards the catalytic reduction of waste 4-nitrophenol to valuable 4-aminophenol with a rate constant of 43.02×10^(-3)s^(-1)and an average conversion of 96.5%in 90 s during 10 *** activity is superior to that of most reported noble-or non-noble-metal powder,bulk,coating,and array catalysts,indicating its competitive advantages in cost and efficiency,as well as enticing application prospects.

关键词： ZnO nanowire Cu nanoparticle Nano-heterojunction 4-Nitrophenol catalytic reduction Density functional theory

Recent progress of inverted organic-inorganic halide perovskite solar cells

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Journal of Energy Chemistry 2023年第4期79卷 168-191页

作者： dongyang li Yulan Huang Zhiwei Ren Abbas Amini Aleksandra B.Djurišic Chun Cheng Gang li Department of Electronic and Information Engineering Research Institute for Smart Energy(RISE) The Hong Kong Polytechnic UniversityHong Kong 999077China Department of Materials Science and Engineering Southern University of Science and TechnologyShenzhen 518055GuangdongChina Guangdong Provincial Key Laboratory of Energy Materials for Electric Power Southern University of Science and TechnologyShenzhen 518055GuangdongChina Department of Physics The University of Hong KongHong Kong 999077China Centre for Infrastructure Engineering Western Sydney UniversityPenrith 2751NSWAustralia

In recent years,inverted perovskite solar cells(IPSCs)have attracted significant attention due to their low-temperature and cost-effective fabrication processes,hysteresis-free properties,excellent stability,and wide *** efficiency gap between IPSCs and regular structures has shrunk to less than 1%.Over the past few years,IPSC research has mainly focused on optimizing power conversion efficiency to accelerate the development of *** review provides an overview of recent improvements in the efficiency of IPSCs,including interface engineering and novel film production techniques to overcome critical *** and integrated applications of IPSCs are also ***,prospects for further development of IPSCs are discussed,including the development of new materials,methods,and device structures for novel IPSCs to meet the requirements of commercialization.

关键词： Inverted perovskite solar cells Interface engineering Additive engineering Tandem solar cells Integrated solar cells

Metastable hybridized structure transformation in amorphous carbon films during friction-A study combining experiments and MD simulation

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Friction 2023年第9期11卷 1708-1723页

作者： Yefei ZHOU Zhihao CHEN Tao ZHANG Silong ZHANG Xiaolei XING Qingxiang YANG dongyang li School of Mechanical Engineering Yanshan UniversityQinhuangdao 066004China State Key Laboratory of Metastable Materials Science&Technology Yanshan UniversityQinhuangdao 066004China Chemical and Materials Engineering Department University of AlbertaEdmonton T6G 2H5Canada

Amorphous carbon films have attracted substantial interest due to their exceptional mechanical and tribological *** studies revealed that the amorphous carbon films exhibited lower coefficient of friction(COF)because of the transformation in bond structure from sp^(3)-C to sp^(2)-C during friction ***,the mechanism for such a transformation during friction is not well *** study is conducted to get an insight into the metastable transformation in amorphous carbon film during friction by means of experiments and molecular dynamics(MD)*** wear tests showed that wear of the film changed from an abrasive wear mode to a mixture of abrasion and adhesive wear,resulting in a decrease in growth rate of the wear rate after the running-in *** is worth noting that the sp^(3)-C atoms were increased during the running-in stage when the films contained lower sp^(3)/sp^(2) ***,the formed sp^(3)-C atoms could only be short-lived and gradually transformed to sp^(2)-C atoms with the graphitization generated on the wearing surface of the *** radial distribution function and translational order parameter indicated that the films'high sp^(3)/sp^(2) ratio led to an increased sp^(2)-C proportion on the wear scar after friction,which caused an increased structural ordering.

关键词： amorphous carbon film metastable transformation structural order molecular dynamics(MD)simulation tribological performance

Highly efficient pH-universal hydrogen evolution reaction catalyzed by rapidly reconstructed bimetallic cobalt-molybdenum alloy cuboids arrays

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Nano Research 2024年第8期17卷 6977-6983页

作者： Daolian liu Zihao Wang Yan Zhang Haiqing Zhou Yong Zhang dongyang li Fang Yu Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education Key Laboratory for Matter Microstructure and Function of Hunan ProvinceDepartment of Physics and Synergetic Innovation Center for Quantum Effects and ApplicationsHunan Normal UniversityChangsha 410081China State Key Laboratory of Marine Resource Utilization in South China Sea and Department of Materials Science and EngineeringHainan UniversityHaikou 570228China Institute of Interdisciplinary Studies Hunan Normal UniversityChangsha 410081China

Given the inherent potential of seawater,industrial wastewater,and residential water as inherent feedstocks for hydrogen production through water electrolysis,there is a critical demand for the exploration of robust and stable hydrogen-evolving catalysts that can operate effectively across a diverse range of pH ***,the pursuit of hydrogen-evolving electrocatalysts that demonstrate both good stability and high efficiency over a wide pH range remains a formidable *** we report the rational design and synthesis of an outstanding nanoporous hybrid electrocatalyst consisting of intermetallic cobalt-molybdenum alloy particles anchoring on MoO2 cuboid arrays,which demands very low overpotentials of 72,123 and 134 mV to deliver a current density of−100 mA·cm^(−2)for hydrogen evolution reaction under alkaline,neutral and acidic conditions,*** catalytic activities are superior to most non-precious-metal-based catalysts documented in the literatures,and are even comparable to noble metal *** particular,this alloy electrocatalyst exhibits excellent stability at 50 or 300 mA·cm^(−2)without obvious activity degradation,which is further supported by the undetectable changes in the surface chemical valence states on the basis of in-situ X-ray photoelectron spectroscopic *** study provides an innovative strategy for the design and synthesis of effective non-noble intermetallic catalysts for pH-universal hydrogen evolution over a wide pH range.

关键词： electrocatalyst hydrogen evolution reaction pH-universal non-noble water splitting