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Innovative dual-mode device integrating capacitive desalination and solar vapor generation for high-efficiency seawater desalination

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Journal of Energy Chemistry 2025年第1期 171-179页

作者： Jiacheng Wang Zhaoyu Chen Ruduan Yuan Jiaxin Luo Ben Zhang Keju Ji Meng Li Juanxiu Xiao Kuan Sun National Innovation center for Industry-Education Integration of Energy Storage technology MOE Key Laboratory of Low-grade Energy Utilization Technologies and SystemsCollege of Energy & Power Engineering Chongqing University Xuefeng Mountain Energy Equipment Safety National Observation and research Station CQU-NUS Renewable Energy Materials & Devices Joint Laboratory Chongqing University Southwest technology and engineering research Institute Jiangsu provincial Key Laboratory of Bionic Functional Materials College of Mechanical and Electrical Engineering Nanjing University of Aeronautics and Astronautics State Key Laboratory of Marine Resources Utilization in South China Sea Collaborative Innovation Center of Marine Science and Technology School of Marine Science and Engineering Hainan University

Solar-driven interface evaporation with high solar-to-steam conversion efficiency has shown great potential in seawater ***,due to the influence of latent heat and condensation efficiency,the water yield from solar-driven interface evaporation remains insufficient,posing a significant challenge that requires *** this work,we designed a dual-mode high-flux seawater desalination device that combines solar-driven interface evaporation and capacitive *** utilizing coupled desalination materials exhibiting both photothermal conversion and capacitance activity,the device demonstrated photothermal evaporation rates of 1.41 and 0.97 kg m-2h-1for condensate water yield under one-sun ***,the device exhibited a salt adsorption capacity of up to48 mg g-1and a salt adsorption rate of 2.1 mg *** addition,the salt adsorption capacity increased by approximately 32% under one-sun ***,photo-enhanced capacitive desalination performance was explored through numerical simulations and theoretical *** calculations and characterizations confirmed that the defect energy levels formed by the introduction of sulfur vacancies can effectively widen the light absorption range,improve photothermal conversion performance,and stimulate more photoelectrons to participate in capacitive ***,the electron distribution state of molybdenum disulfide with sulfur vacancies and surface defect sites contributes to ion/electron transport at the solid-liquid *** work provides a novel pathway for integrating solar vapor generation with other low-energy desalination technologies.

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Current opinions on the mechanism,classification,imaging diagnosis and treatment of post-traumatic osteomyelitis

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Chinese Journal of Traumatology 2021年第6期24卷 320-327页

作者： Jian Yang Jiang-Ling Yao Zi-Quan Wu De-Lu Zeng Lin-Yang Zheng Dong Chen Zheng-Dong Guo Lei Peng Trauma center the First Affiliated Hospital of Hainan Medical UniversityHainan Medical UniversityHaikou570100China Key Laboratory of Emergency and Trauma Ministry of EducationHainan Medical UniveristyHaikou571199China hainan provincial Key Laboratory Hainan Medical UniversityHaikou571199China hainan provincial biomaterials and medical device engineering technology research center Hainan Medical UniversityHaikou571199China

Post-traumatic osteomyelitis(PTO)is a worldwide problem in the field of orthopaedic *** far,there is no ideal treatment or consensus-based gold standard for its *** paper reviews the representative literature focusing on PTO,mainly from the following four aspects:(1)the pathophysiological mechanism of PTO and the interaction mechanism between bacteria and the body,including fracture stress,different components of internal fixation devices,immune response,occurrence and development mechanisms of inflammation in PTO,as well as the occurrence and development mechanisms of PTO in skeletal system;(2)clinical classification,mainly the etiological classification,histological classification,anatomical classification and the newly proposed new classifications(a brief analysis of their scope and limitations);(3)imaging diagnosis,including non-invasive examination and invasive examination(this paper discusses their advantages and disadvantages respectively,and briefly compares the sensitivity and effectiveness of the current examinations);and(4)strategies,including antibiotic administration,surgical choices and other treatment *** on the above-mentioned four aspects,we try to put forward some noteworthy sections,in order to make the existing opinions more specific.

关键词： Osteomyelitis Bone infection Post-traumatic osteomyelitis Pathology Diagnosis Clinical classification Treatment

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Simultaneous Solar-driven Steam and Electricity Generation by Cost-effective,Easy Scale-up MnO 2-based Flexible Membranes

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Energy & Environmental Materials 2023年第3期6卷 184-192页

作者： Jiaxin Ren Yang Ding Jiang Gong Jinping Qu Ran Niu Key Laboratory of Material Chemistry for Energy Conversion and Storage Ministry of EducationHubei Key Laboratory of Material Chemistry and Service FailureHubei Engineering Research Center for Biomaterials and Medical Protective MaterialsSemiconductor Chemistry CenterSchool of Chemistry and Chemical EngineeringHuazhong University of Science and TechnologyWuhan 430074China National engineering research center of Novel Equipment for Polymer Processing Key Laboratory of Polymer Processing EngineeringMinistry of EducationGuangdong Provincial Key Laboratory of Technique and Equipment for Macromolecular Advanced ManufacturingSchool of Mechanical and Automotive EngineeringSouth China University of TechnologyGuangzhou 510641China

Harvesting solar energy in an effective manner for steam and electricity generation is a promising technique to simultaneously cope with the energy and water ***,the construction of efficient and easy scale-up photothermal materials for steam and electricity cogeneration remains ***,we report a facile and cost-effective strategy to prepare MnO_(2)-decorated cotton cloth(MCx).The wide adsorption spectrum and excellent photothermal conversion ability of the in situ-formed MnO_(2)nanoparticles make the MCx to be advanced photothermal ***,the hybrid device integrated with MCx as the photothermal layer and the thermoelectric(TE)module for electricity power conversion exhibits an extremely high evaporation rate of 2.24 kg m^(−2)h^(−1)under 1 kW m^(−2)irradiation,which is ranked among the most powerful solar *** importantly,during solar evaporation,the hybrid device produces an open-circuit voltage of 0.3 V and a power output of 1.6 W m^(−2)under 3 Sun irradiation,and outperforms most of the previously reported solar-driven electricity generation ***,the integrated device with synergistic solar-thermal utilization opens up a green way toward simultaneous solar vapor and electric power generation in remote and resource-constrained areas.

关键词： photothermal material solar desalination solar energy solar steam generator thermoelectrics

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Wet-spinning fabrication of shear-patterned alginate hydrogel microfibers and the guidance of cell alignment

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Regenerative biomaterials 2017年第5期4卷 299-307页

作者： You Yang Jing Sun Xiaolu Liu Zhenzhen Guo Yunhu He Dan Wei Meiling Zhong Likun Guo Hongsong Fan Xingdong Zhang National engineering research center for biomaterials Sichuan UniversitySichuanChengdu 610064P.R.China Department of Gastroenterology Hospital of the University of Electronic Science and Technology of China and Sichuan Provincial People’s HospitalSichuanChengdu 610072P.R.China

Native tissue is naturally comprised of highly-ordered cell-matrix assemblies in a multi-hierarchical way,and the nano/submicron alignment of fibrous matrix is found to be significant in supporting cellular *** this study,a self-designed wet-spinning device appended with a rotary receiving pool was used to continuously produce shear-patterned hydrogel microfibers with aligned submicron *** process that the flow-induced shear force reshapes the surface of hydrogel fiber into aligned submicron topography was systematically ***,the effect of fiber topography on cellular longitudinal spread and elongation was investigated by culturing rat neuron-like PC12 cells and human osteosarcoma MG63 cells with the spun hydrogel microfibers,*** results suggested that the stronger shear flow force would lead to more distinct aligned submicron topography on fiber surface,which could induce cell orientation along with fiber axis and therefore form the cell-matrix ***,a multi-hierarchical tissue-like structure constructed by dual-oriented cell-matrix assemblies was fabricated based on this wet-spinning *** work is believed to be a potentially novel biofabrication scheme for bottom-up constructing of engineered linear tissue,such as nerve bundle,cortical bone,muscle and hepatic cord.

关键词： tissue engineering wet-spinning cell-matrix alignment multi-hierarchical scaffold

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Sterilization and disinfection methods for decellularized matrix materials:Review,consideration and proposal

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Bioactive Materials 2021年第9期6卷 2927-2945页

作者： Meihan Tao Tianrang Ao Xiaoyan Mao Xinzhu Yan Rabia Javed Weijian Hou Yang Wang Cong Sun Shuang Lin Tianhao Yu Qiang Ao Department of Tissue engineering China Medical UniversityShenyangChina Chinese Academy of medical Sciences&Peking Union medical College BeijingChina The VIP Department School and Hospital of StomatologyChina Medical UniversityLiaoning Provincial Key Laboratory of Oral DiseasesShenyangChina Department of Developmental Cell Biology Key Laboratory of Medical Cell BiologyMinistry of EducationChina Medical UniversityShenyangChina Institute of Regulatory Science for medical device National Engineering Research Center for BiomaterialsSichuan UniversityChengduChina

Sterilization is the process of killing all microorganisms,while disinfection is the process of killing or removing all kinds of pathogenic microorganisms except bacterial *** involved in cell experiments,animal experiments,and clinical applications need to be in the aseptic state,but their physical and chemical properties as well as biological activities can be affected by sterilization or *** matrix(dECM)is the low immunogenicity material obtained by removing cells from tissues,which retains many inherent components in tissues such as proteins and *** there are few studies concerning the effects of sterilization or disinfection on dECM,and the systematic introduction of sterilization or disinfection for dECM is even ***,this review systematically introduces and analyzes the mechanism,advantages,disadvantages,and applications of various sterilization and disinfection methods,discusses the factors influencing the selection of sterilization and disinfection methods,summarizes the sterilization and disinfection methods for various common dECM,and finally proposes a graphical route for selecting an appropriate sterilization or disinfection method for dECM and a technical route for validating the selected method,so as to provide the reference and basis for choosing more appropriate sterilization or disinfection methods of various dECM.

关键词： Decellularized matrix Sterilization Disinfection Irradiation Ethylene oxide Supercritical carbon dioxide Peracetic acid Hydrogen peroxide Alcohol Antibiotic

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Visible light triggered exfoliation of COF micro/nanomotors for efficient photocatalysis

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Green Energy & Environment 2023年第2期8卷 567-578页

作者： Kai Feng Liang Zhang Jiang Gong Jinping Qu Ran Niu Key Laboratory of Material Chemistry for Energy Conversion and Storage Ministry of EducationHubei Key Laboratory of Material Chemistry and Service FailureHubei Engineering Research Center for Biomaterials and Medical Protective MaterialsSchool of Chemistry and Chemical EngineeringHuazhong University of Science and TechnologyWuhan430074China The State Key Laboratory Breeding Base of Basic Science of Stomatology(Hubei-MOST)&Key Laboratory of Oral Biomedicine Ministry of Education School and Hospital of StomatologyWuhan UniversityWuhan 430079China National engineering research center of Novel Equipment for Polymer Processing Key Laboratory of Polymer Processing EngineeringMinistry of EducationGuangdong Provincial Key Laboratory of Technique and Equipment for Macromolecular Advanced ManufacturingSchool of Mechanical and Automotive EngineeringSouth China University of TechnologyGuangzhou510641China

We report a new facile light-induced strategy to disperse micron-sized aggregated bulk covalent organic frameworks(COFs)into isolated COFs *** was achieved by a series of metal-coordinated COFs,namely COF-909-Cu,-Co or-Fe,where for the first time the diffusio-phoretic propulsion was utilized to design COF-based micro/*** mechanism studies revealed that the metal ions decorated in the COF-909 backbone could promote the separation of electron and holes and trigger the production of sufficient ionic and reactive oxygen species under visible light *** this way,strong light-induced self-diffusiophoretic effect is achieved,resulting in good dispersion of *** them,COF-909-Fe showed the highest dispersion performance,along with a drastic decrease in particle size from 5μm to500 nm,within only 30 min light irradiation,which is inaccessible by using traditional magnetic stirring or ultrasonication *** importantly,benefiting from the outstanding dispersion efficiency,COF-909-Fe micro/nanomotors were demonstrated to be efficient in photocatalytic degradation of tetracycline,about 8 times faster than using traditional magnetic stirring *** work opens up a new avenue to prepare isolated nanosized COFs in a high-fast,simple,and green manner.

关键词： Micro/nanomotor COFs Exfoliation Nanocatalyst Photocatalysis

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Wireless electrical stimulation generated by piezoelectric nanomaterial promotes the dental pulp regeneration via regulating mitochondrial Ca^(2+)/PKA signaling pathway

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Journal of Materials Science & technology 2024年第1期168卷 24-34页

作者： Jianmao Zheng Jiyuan Zuo Cairong Xiao Qining Guo Xiaobin Fu Chengyun Ning Peng Yu Guangdong provincial Key Laboratory of Stomatology Hospital of StomatologySun Yat-Sen UniversityGuangzhou 510080China School of Materials Science and engineering National Engineering Research Center for Tissue Restoration and ReconstructionSouth China University of TechnologyGuangzhou 510641China

The induction of dental pulp stem cells(DPSCs)into odontogenic differentiation is a cutting-edge method of dental pulp regeneration ***,it remains a challenge to develop biomaterials and ther-apies that can induce odontogenic ***,we propose a wireless electrical stimulation strat-egy to induce DPSCs odontogenic differentiation via K_(0.5)Na_(0.5)NbO_(3)piezoelectric nanoparticles(KNN)and polarized KNN(PKNN),which can be endocytosed by *** vitro,several odontogenic differentiation indexes were also increased in DPSCs treated with KNN and PKNN,and the increase was more obvious in the PKNN *** wireless electrical field promoted mitochondrial calcium concentration via mitochondrial calcium unidirectional transporter(MCU),increased the production of adenosine triphos-phate(ATP),and induced odontogenic differentiation through the activation of the cAMP-PKA signaling *** vivo,dental pulp-like tissue was induced by electrical stimulation wirelessly with KNN and PKNN,which was more clinically friendly compared with the wired device,and the induction was more obvious in the PKNN group consistent with in vitro *** conclusion,this work demonstrates the potential of PKNN as an effective stimulus that can induce odontogenic differentiation of DPSCs and be applied to dental pulp regeneration treatment.

关键词： Piezoelectric nanoparticles Dental pulp stem cells Odontogenic differentiation

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Designing artificial ion channels with strict K+/Na+ selectivity toward next-generation electric-eel-mimetic ionic power generation

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National Science Review 2023年第12期10卷 193-202页

作者： Jipeng Li Linhan Du Xian Kong Jianzhong Wu Diannan Lu Lei Jiang Wei Guo State Key Laboratory of Marine Resource Utilization in South China Sea School of Materials Science and Engineering Hainan University Department of Chemical engineering Tsinghua University South China Advanced Institute for Soft Matter Science and technology Guangdong Provincial Key Laboratory of Functional and Intelligent Hybrid Materials and Devices School of Emergent Soft MatterSouth China University of Technology Department of Chemical and Environmental engineering University of California research Institute for Frontier Science Beihang University center for Quantum Physics and Intelligent Sciences Department of Physics Capital Normal University

A biological potassium channel is> 1000 times more permeable to K+than to Na+and exhibits a giant permeation rate of ～108ions/*** is a great challenge to construct artificial potassium channels with such high sele ctivity and ion conduction ***,we unveil a long-overlo oked structural feature that underpins the ultra-high K+/Na+*** carrying out massive molecular dynamics simulation for ion transport through carbonyl-oxygen-modified bi-layer graphene nanopores,we find that the twisted carbonyl rings enable strict potassium selectivity with a dynamic K+/Na+selectivity ratio of 1295 and a K+conduction rate of 3.5 × 107ions/s,approaching those of the biological ***,atomic trajectories of K+permeation events suggest a dual-ion transport mode,*** like-charged potassium ions are successively captured by the nanopores in the graphene bi-layer and are interconnected by sharing one or two interlayer water *** dual-ion behavior allows rapid release of the exiting potassium ion via a soft knock-on mechanism,which has previously been found only in biological ion *** a proof-of-concept utilization of this discovery,we propose a novel way for ionic power generation by mixing KCl and NaCl solutions through the bi-layer graphene nanopores,termed potassium-permselectivity enabled osmotic power generation(PoPee-OP G).Theoretically,the biomimetic device achieves a very high power density of> 1000 W/m2with graphene sheets of <1% *** study provides a blueprint for artificial potassium channels and thus paves the way toward next-generation electric-eel-mimetic ionic power generation.

关键词： artificial ion channel bi-layer graphene dehydrated ion transport bio-inspired materials energy conversion

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Rational Design of High-Performance Bilayer Solar Evaporator by Using Waste Polyester-Derived Porous Carbon-Coated Wood

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Energy & Environmental Materials 2022年第2期5卷 617-626页

作者： Ning Liu Liang Hao Boyi Zhang Ran Niu Jiang Gong Tao Tang Key Laboratory of Material Chemistry for Energy Conversion and Storage Ministry of EducationHubei Key Laboratory of Material Chemistry and Service FailureHubei Engineering Research Center for Biomaterials and Medical Protective MaterialsSchool of Chemistry and Chemical EngineeringHuazhong University of Science and TechnologyWuhan 430074China State Key Laboratory of Polymer Physics and Chemistry Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchun 130022China

Wood-based bilayer solar evaporators,which possess cooperative advantages of natural wood and photothermal conversion coating including fast water transportation,low heat conduction,renewability,and high light absorbability,hold great promise for water ***,previous studies suffer from low evaporation rates and high cost of coatings,and lack a deep understanding how the porous structures of coating layer ***,a novel bilayer solar evaporator is designed through facile surface coating of wood by low-cost porous carbon from controlled carbonization of polyester *** porous carbon bears rich oxygen-containing groups,well-controlled micro-/meso-/macropores,and high surface areas(1164 m^(2) g^(−1)).It is proved that porous carbon improves sunlight absorption and promotes the formation of numerous water clusters to reduce water evaporation *** to these combined features,the bilayer solar evaporator exhibits high evaporation rate(2.38 kg m^(−2) h^(−1)),excellent longterm stability,and good salt *** importantly,a large-scale solar desalination device for outdoor experiments is developed to produce freshwater from *** daily freshwater production amount(3.65 kg m^(−2))per unit area meets the daily water consumption requirement of one *** findings will inspire new paradigms toward developing efficient solar steaming technologies for desalination to address global freshwater shortage.

关键词： solar steam generation waste polyester hierarchically porous carbon desalination freshwater production

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Self-Floating Efficient Solar Steam Generators Constructed Using Super-Hydrophilic N,O Dual-Doped Carbon Foams from Waste Polyester

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Energy & Environmental Materials 2022年第4期5卷 1204-1213页

作者： Huiying Bai Ning Liu Liang Hao Panpan He Changde Ma Ran Niu Jiang Gong Tao Tang Key Laboratory of Material Chemistry for Energy Conversion and Storage Ministry of EducationHubei Key Laboratory of Material Chemistry and Service FailureHubei Engineering Research Center for Biomaterials and Medical Protective MaterialsSchool of Chemistry and Chemical EngineeringHuazhong University of Science and TechnologyWuhan 430074China State Key Laboratory of Polymer Physics and Chemistry Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchun 130022China

Solar evaporation is recognized as a prospective technique to produce freshwater from non-drinkable water using inexhaustible solar ***,it remains a challenge to fabricate low-cost solar evaporators with obviously reduced water evaporation enthalpy to achieve high evaporation ***,N,O dual-doped carbon foam(NCF)is fabricated from the lowtemperature carbonization of poly(ethylene terephthalate)(PET)waste by melamine/molten salts at 340℃.During carbonization,melamine reacts with carboxylic acids of PET degradation products to yield a crosslinking network,and then molten salts catalyze the decarboxylation and dehydration to construct a stable *** to rich N,O-containing groups,3D interconnected pores,super-hydrophilicity,and ultra-low thermal conductivity(0.0599 W m^(−1) K^(−1)),NCF not only achieves high light absorbance(ca.99%)and solar-to-thermal conversion,but also promotes the formation of water cluster to reduce water evaporation enthalpy by ca.37%.Consequently,NCF exhibits a high evaporation rate(2.4 kg m^(−2) h^(−1)),surpassing the-state-of-the-art solar evaporators,and presents good antiacid/basic abilities,long-term salt-resistance,and self-cleaning ***,a large-scale NCF-based outdoor solar desalination device is developed to produce *** daily freshwater production amount per unit area(6.3 kg)meets the two adults’daily water *** trash-to-treasure strategy will give impetus to the development of low-cost,advanced solar evaporators from waste plastics for addressing the global freshwater shortage.

关键词： carbon foam solar desalination solar energy solar steam generator waste plastics

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