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Smart Gas Sensors:Recent Developments and Future Prospective

Nano-Micro Letters 2025年第3期17卷 55-86页

作者： Boyang Zong Shufang Wu Yuehong yang Qiuju Li Tian Tao Shun Mao College of Environmental Science and Engineering Biomedical Multidisciplinary Innovation Research InstituteShanghai East HospitalState Key Laboratory of Pollution Control and Resource ReuseTongji University1239 Siping RoadShanghai 200092People’s Republic of China Shanghai Institute of Pollution Control and Ecological Security Shanghai 200092People’s Republic of China Microbiome Medicine Center Department of Laboratory MedicineZhujiang HospitalSouthern Medical UniversityGuangzhou 510280People’s Republic of China

Gas sensor is an indispensable part of modern society withwide applications in environmental monitoring,healthcare,food industry,public safety,*** the development of sensor technology,wireless communication,smart monitoring terminal,cloud storage/computing technology,and artificial intelligence,smart gas sensors represent the future of gassensing due to their merits of real-time multifunctional monitoring,earlywarning function,and intelligent and automated *** electronicand optoelectronic gas sensors have been developed for high-performancesmart gas *** the development of smart terminals and the maturityof integrated technology,flexible and wearable gas sensors play an increasingrole in gas *** review highlights recent advances of smart gassensors in diverse *** structural components and fundamentalprinciples of electronic and optoelectronic gas sensors are described,andflexible and wearable gas sensor devices are ***,sensorarray with artificial intelligence algorithms and smart gas sensors in“Internet of Things”paradigm are ***,the challengesand perspectives of smart gas sensors are discussed regarding the future need of gas sensors for smart city and healthy living.

关键词： Smart gas sensor Electronic sensor Optoelectronic sensor Flexible and wearable sensor Artificial intelligence

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High-temperature self-powered X-ray detection in a bilayered hybrid ferroelectric halide perovskite

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Science China Chemistry 2025年

作者： Yingying Zheng Panpan Yu Yunpeng Yao Shihai You zeng-Kui Zhu Junhua Luo School of Chemistry and Chemical Engineering Jiangxi Normal University Key Laboratory of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education Jiangxi Normal University School of Environmental and Material Engineering Yantai University Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China

X-ray detectors which convert X-ray irradiation into electrical signals play an important role in diverse applications including medical diagnosis, security examination, nondestructive inspection, personal X-ray dosimeters and fundamental research[1–5]. Recently, metal halide perovskites（MHP） have been developed as a promising family for X-ray detection contributing to their intrinsic advantages, e.g.,simple synthesis, efficient X-ray absorption and excellent semiconducting properties[5–10].

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In-situ synthesis of nanocrystalline TiC powders, nanorods, and nanosheets in molten salt by disproportionation reaction of Ti(Ⅱ) species

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Journal of Materials Science & Technology 2020年第2期37卷 173-180页

作者： Lingxu yang Ying Wang Ruijia Liu Huijun Liu Xue Zhang chaoliu zeng chao Fu Laboratory for Corrosion and Protection Institute of Metal ResearchChinese Academy of SciencesShenyang110016China School of Materials Science and Engineering University of Science and Technology of ChinaHefei230026China Songshan Lake Materials Laboratory Dongguan523808China

A high-efficiency method is developed to in-situ synthesize nanocrystalline TiC powders,nanorods,and nanosheets by using equimolar ratio of Ti powder and acetylene black,multiwalled carbon nanotubes(MWCNTs),and graphene,respectively,as precursor in eutectic Na Cl-KCl molten salt at 800–900℃for 2–3 *** temperature and longer duration are more beneficial for TiC *** addition,mechanism of TiC formation was investigated by linear scan *** indicate that nanocrystalline TiC is in-situ synthesized by reaction between Ti atoms,which come from disproportionation reaction of Ti(Ⅱ)species in the molten salt,and C atoms on the surface of carbon sources.

关键词： Titanium carbide Nanocrystalline Nanorod Nanosheet Disproportionation Molten salt

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Conceptual design and flight test of two wingtipdocked multi-body aircraft

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Chinese Journal of Aeronautics 2022年第12期35卷 144-155页

作者： yang MENG chao AN Changchuan XIE chao yang School of Aeronautic Science and Engineering Beihang UniversityBeijing 100083China

To overcome the drawbacks such as large wing deformations,poor performance encountering gusts,limits in taking off and landing,inconvenience of transportation of High-Altitude Long-Endurance(HALE)Unmanned Aerial Vehicles(UAVs),a new conceptual aircraft called wingtip-docked Multi-Body Aircraft(MBA)has attracted lots of *** to investigate the feasibility of this concept,two UAV models were designed,manufactured and connected by a wingtip-docking mechanism,which only allows the relative roll motion between the two *** trim solution of the two connected aircraft is firstly obtained by solving the developed nonlinear flight dynamic equations,followed by the stability analysis based on the linearized *** results show that the connected aircraft is inherently unstable and cannot fly without a reasonable flight control system.A set of Proportional-Integral-Derivative(PID)control laws was then developed and implemented in the two experimental *** success of the flight tests show that the flight control can effectively eliminate the unstable motion and the wingtip-docked MBA is controllable and feasible。

关键词： Flight test Multi-body aircraft New conceptual aircraft PID control Wingtip-docking mechanism

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Flutter and gust response analysis of a wing model including geometric nonlinearities based on a modified structural ROM

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Chinese Journal of Aeronautics 2020年第1期33卷 48-63页

作者： chao AN chao yang Changchuan XIE Lan yang School of Aeronautic Science and Engineering Beihang UniversityBeijing 100083China

In this paper,a framework is established for nonlinear flutter and gust response analyses based on an efficient Reduced Order Model(ROM).The proposed method can be used to solve the aeroelastic response problems of wings containing geometric nonlinearities.A structural modeling approach presented herein describes the stiffness nonlinearities with a modal *** orthogonal spanwise modes describe the foreshortening effects of the *** linearization of the ROM under nonlinear equilibrium states is applied to a nonlinear flutter analysis,and the fully nonlinear ROM coupled with the non-planar Unsteady Vortex Lattice Method(UVLM)is applied to gust response ***,extended Precise Integration Method(PIM)ensures accuracy of the dynamic equation *** demonstrate applicability and accuracy of the method presented,a wind tunnel test is conducted and good agreements between theoretical and test results of nonlinear flutter speed and gust response deflection are *** method described in this paper is suitable for predicting the nonlinear flutter speed and calculating the gust responses of a large-aspect-ratio wing in time ***,the results derived highlight the effects of geometric nonlinearities obviously.

关键词： Aeroelasticity Flutter Geometric nonlinearity Reduced order models Response analysis Structural model

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Type A aortic dissection following heart transplantation:A case report

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World Journal of Clinical Cases 2022年第15期10卷 5077-5081页

作者： Zhu zeng Lin-Jie yang chao Zhang Fen Xu Department of Cardiovascular Surgery Union HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430022Hubei ProvinceChina

BACKGROUND Cardiac transplantation is considered the standard treatment for refractory endstage heart ***,5074 heart transplantations were performed in *** 100 heart transplants are performed at the authors’center each *** usual complications of heart transplantation include graft rejection,infection,and graft *** dissection after heart transplantation is very rare and is a serious complication that requires a hybrid *** SUMMARY A 58-year-old female patient was admitted to Union Hospital Affiliated to Tongji Medical College of Huazhong University of Science and Technology in July 2020 because of unprovoked low back pain without precipitating *** resonance imaging and computed tomography angiography showed type A aortic dissection with an aberrant right subclavian *** admission,urapidil was used to control blood *** days later,the patient underwent ascending aortic and aortic arch replacement,subclavian artery reconstruction,and endovascular repair of abdominal and thoracic aortic aneurysms.A cardiopulmonary bypass was established through the right femoral artery and femoral *** aberrant right subclavian artery,innominate artery,left common carotid artery,and left subclavian artery were blocked,and the left and right common carotid arteries were cannulated for bilateral cerebral *** The right axillary artery could not be selected for cardiopulmonary bypass intubation because of aberrant right subclavian artery.

关键词： Type A aortic dissection Heart transplantation Aberrant right subclavian artery Cardiopulmonary bypass Case report

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Tendencies of alloyed engineering in BiOX-based photocatalysts:a state-of-the-art review

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Rare Metals 2024年第4期43卷 1488-1512页

作者： Yan-Dong Sun chao zeng Xue Zhang Zi-Qi Zhang Bo yang Sheng-Qi Guo Tianjin Key Laboratory of Clean Energy and Pollutant Control School of Energy and Environmental EngineeringHebei University of TechnologyTianjin300401China State-Province Joint Engineering Laboratory of Zeolite Membrane Materials Institute of Advanced MaterialsCollege of Chemistry and Chemical EngineeringJiangxi Normal UniversityNanchang330022China Anhui Province Key Laboratory of Pollutant Sensitive Materials and Environmental Remediation School of Physics and Electronic InformationAnhui Province Industrial Generic Technology Research Center for Alumics MaterialsHuaibei Normal UniversityHuaibei235000China

Energy-saving and environmentally friendly photocatalysis has emerged as a popular research area in response to issues with energy scarcity and environmental *** to the unique layer-like structure,BiOX(Cl,Br,I)is frequently used in ***,inherent flaws in BiOX,such as an inappropriate band gap and low carrier separation efficiency,restrict its capacity for *** to the tunable grouping layer,alloying engineering is employed to optimize the intrinsic properties of BiOX and alloyed BiOX becomes a promising photocatalytic *** review describes the structure of BiOX,where tunable halogen layers provide favorable conditions for the implementation of alloying engineering to improve intrinsic *** article compares the effects and mechanisms of alloying engineering on the optimization of the energy band structure and carrier behavior of BiOX,and lists various modification methods used to improve the optimization of the intrinsic properties by alloying engineering,including defect engineering,morphology control as well as the synergy between alloying and other modification methods(bismuth-rich strategies,cation doping,construction of heterojunctions and plasma resonance effects).Subsequently,applications of alloyed BiOX in energy and environmental fields are summarized,including contaminant degradation,antibacterial,CO_(2)reduction,nitrogen fixation and organic ***,we summarize the current challenges and future directions of alloyed *** is expected that this work will provide guidance and assistance for an in-depth study and understanding of the mechanisms of alloying engineering to optimize intrinsic properties and design alloyed BiOX with higher photocatalytic activity.

关键词： Bismuth oxyhalide Photocatalytic Alloyed engineering Microstructural regulation Application

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Influence of Hydrodynamic Pore Pressure Damage on the Performance of Hot-Mixed Renewable Asphalt Mixture

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Journal of Renewable Materials 2023年第5期11卷 2453-2467页

作者： Guodong zeng chao Li yang Fang Hongming Huang Hao Li Yishen Xu Foshan Transportation Science and Technology Co. Ltd.Foshan528315China Key Laboratory of Road Structure and Material of Ministry of Transport(Changsha) Changsha University of Science&TechnologyChangsha410114China School of Highway Engineering Chang’an UniversityXi’an710064China

For evaluating the water stability of hot-mixed renewable asphalt mixture(HRM),the traditional methods are all tested under still water *** for damage in still water conditions,the hydrodynamic pore pressure generated by the tire driving on the surface water has a great ***,the RAP contents of the HRMs were designed at 0%,30%,45%and 60%with AC-25 ***,the self-designed evaluation methods of water stability and dynamic modulus were ***,the mechanism of the influence of hydrodynamic pore pressure damage on HRMs was *** results show that the water stability of HRM containing 30%RAP is equivalent to that of 45%RAP,and the water stability of HRM containing 60%RAP decreases *** Contabro test after MIST treatment can be used as an evaluation method for hydrodynamic pore pressure damage on ***-speed,heavy-load traffic and larger RAP content have greater damage to the mixture after hydrodynamic pore pressure *** performance differences between the aged bitumen and pure bitumen,as well as the aged minerals and new minerals,are continuing to be enlarged in hydrodynamic pore pressure conditions,finally affecting the water stability and dynamic modulus of the HRMs.

关键词： Hot-mixed renewable asphalt mixture water stability dynamic modulus hydrodynamic pore pressure

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Moment Redistribution Effect of the Continuous Glass Fiber Reinforced Polymer-Concrete Composite Slabs Based on Static Loading Experiment

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Structural Durability & Health Monitoring 2025年第1期19卷 105-123页

作者： Zhao-Jun Zhang Wen-Wei Wang Jing-Shui Zhen Bo-Cheng Li De-Cheng Cai yang-yang Du Hui Huang Offshore Oil Engineering Co.Ltd. Tianjin300461China Department of Bridge Engineering School of TransportationSoutheast UniversityNanjing211189China

This study aimed to investigate the moment redistribution in continuous glass fiber reinforced polymer(GFRP)-concrete composite slabs caused by concrete cracking and steel bar yielding in the negative bending moment *** experimental bending moment redistribution test was conducted on continuous GFRP-concrete composite slabs,and a calculation method based on the conjugate beam method was *** composite slabs were formed by combining GFRP profiles with a concrete layer and supported on steel beams to create two-span continuous composite slab *** methods,epoxy resin bonding,and stud connection,were used to connect the composite slabs with the steel *** experimental findings showed that the specimen connected with epoxy resin exhibited two moments redistribution phenomena during the loading process:concrete cracking and steel bar yielding at the internal *** contrast,the composite slab connected with steel beams by studs exhibited only one-moment redistribution phenomenon throughout the loading *** the concrete at the internal support cracked,the bending moment decreased in the internal support section and increased in the midspan *** the steel bars yielded,the bending moment further decreased in the internal support section and increased in the mid-span *** GFRP profiles do not experience cracking,there was no significant decrease in the bending moment of the mid-span *** test specimens experienced compressive failure of concrete at the mid-span *** results showed good agreement between the calculated and experimental values of bending moments in the mid-span section and internal support *** proposed model can effectively predict the moment redistribution behavior of continuous GFRP-concrete composite slabs.

关键词： Moment redistribution GFRP-concrete composite slabs bending moment experimental study analysis model

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Induced pluripotent stem cell-related approaches to generate dopaminergic neurons for Parkinson's disease

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Neural Regeneration Research 2025年第11期20卷 3193-3206页

作者： Ling-Xiao Yi Hui Ren Woon Genevieve Saw Li zeng Eng King Tan Zhi Dong Zhou National Neuroscience Institute Singapore Nanyang Technology University Singapore Department of Neurology Singapore General HospitalSingapore Signature Research Program in Neuroscience and Behavioral Disorders Duke-NUS Medical SchoolSingapore

The progressive loss of dopaminergic neurons in affected patient brains is one of the pathological features of Parkinson's disease,the second most common human neurodegenerative *** the detailed pathogenesis accounting for dopaminergic neuron degeneration in Parkinson's disease is still unclear,the advancement of stem cell approaches has shown promise for Parkinson's disease research and *** induced pluripotent stem cells have been commonly used to generate dopaminergic neurons,which has provided valuable insights to improve our understanding of Parkinson's disease pathogenesis and contributed to anti-Parkinson's disease *** current review discusses the practical approaches and potential applications of induced pluripotent stem cell techniques for generating and differentiating dopaminergic neurons from induced pluripotent stem *** benefits of induced pluripotent stem cell-based research are *** dopaminergic neuron differentiation protocols from induced pluripotent stem cells are *** emerging three-dimension-based brain organoid models compared with conventional two-dimensional cell culture are ***,limitations,challenges,and future directions of induced pluripotent stem cell–based approaches are analyzed and proposed,which will be significant to the future application of induced pluripotent stem cell-related techniques for Parkinson's disease.

关键词： dopaminergic neurons induced pluripotent stem cells Parkinson's disease stem cell approaches

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