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Green Chemical Engineering 2022年第1期3卷 55-63页

作者： Yuchen Wang Yaoyu Liu Zuo Chen Man Zhang Biying Liu Zhenhao Xu Kai Yan School of Environmental Science and Engineering Sun Yat-sen UniversityGuangzhou510275China guangdong Provincial key Laboratory of Environmental Pollution Control and remediation Technology Guangzhou510275China

rational design and cost-effective fabrication of layered double hydroxides(LdHs)nanosheets with extraordinary electrochemical performance is a key challenge for hybrid supercapacitors(HSCs).Herein,we report a facile in situ growth methodology to eco-friendly synthesize hydrophilic Ni Co-LdHs nanosheets on biomass waste-derived porous carbon(BC)for robust high-performance HSC *** in situ growth process under ultrasonication realizes the rational arrangement of Ni Co-LdHs nanosheets on the surface of BC,which effectively increases the specific surface area,promotes the electronic conductivity and enhances the wettability of Ni Co-LdHs nanosheets without affecting their thickness *** the beneficial effects of ultrathin thickness of LdHs nanosheets(6.20 nm),large specific surface area(2324.1 m^(2)g^(-1)),low charge transfer resistance(1.65Ω),and high wettability with electrolyte(34°–35°),the obtained Ni2Co1-LdHs/BC50 electrode possesses an ultra-high specific capacitance of 2390 F g^(-1)(956 C g^(-1))at 1 A g^(-1),which is superior to most reported ***,an assembled Ni_(2)Co_(1)-LdHs/BC50//YP-80F HSC delivers a maximum specific energy of 52.47 Wh kg^(-1)at375 W kg^(-1),and maintains a high capacitance retention of 75.9%even after 4000 *** work provides a facile approach to fabricate LdHs nanosheets based cathode materials for high-performance HSCs.

关键词： Layered double hydroxides Nanosheets Biomass-derived porous carbon Wettability Hybrid supercapacitor

recent Progress of Metal Organic Frameworks-Based Electrocatalysts for Hydrogen Evolution,Oxygen Evolution,and Oxygen reduction reaction

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Energy & Environmental Materials 2022年第4期5卷 1084-1102页

作者： Yaling Jia Ziqian Xue Yinle Li Guangqin Li MOE Laboratory of Bioinorganic and Synthetic Chemistry Lehn Institute of Functional MaterialsSchool of ChemistrySun Yat-Sen UniversityGuangzhou 510275China Institute for Integrated Cell-Material Sciences(iCeMS) Kyoto UniversityKyoto 606-8501Japan

Exploring efficient and cost-saving electrocatalysts is essential to the renewable energy storage and utilization,which is still in its embryonic *** have drawn tremendous attention due to their adjustability,abundant active sites,and plentiful ***,satisfactory electrocatalytic performance has been achieved by MOFs-based electrocatalysts comparable to traditional ***-of-the-art works about the MOFs-based electrocatalysts for hydrogen evolution reaction(HEr),oxygen evolution reaction(OEr),and Orr were summarized in this *** review comprises a series of modifying strategies of MOFs and their derivatives,from aspects of structure,composition,and ***,the active sites and functional mechanisms’recognition are involved in this review expecting to provide reference for rationally designing efficient *** last,the current status,challenges,and perspectives of MOFs-based electrocatalysts are also discussed.

关键词： electrocatalysts hydrogen evolution metal organic frameworks oxygen evolution oxygen reduction reaction

Multimodal collaborative BCI system based on the improved CSP feature extraction algorithm

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Virtual reality & Intelligent Hardware 2022年第1期4卷 22-37页

作者： Cunbo LI Ning LI Yuan QIU Yueheng PENG Yifeng WANG Lili dENG Teng MA Fali LI dezhong YAO Peng XU The Clinical Hospital of Chengdu Brain Science Institute MOE Key Lab for Neuroinformation and School of Life Science and TechnologyUniversity of Electronic Science and Technology of ChinaChengdu 610054China School of Intelligent Engineering Zhengzhou University of AeronauticsZhengzhou 450015China

Background As a novel approach for people to directly communicate with an external device,the study of brain-computer interfaces(BCIs)has become ***,similar to the real-world scenario,where individuals are expected to work in groups,the BCI systems should be able to replicate group *** We proposed a 4-order cumulants feature extraction method(CUM4-CSP)based on the common spatial patterns(CSP)*** experiments conducted using motion visual evoked potentials(mVEP)EEG data verified the robustness of the proposed *** addition,to freely choose paradigms,we adopted the mVEP and steady-state visual evoked potential(SSVEP)paradigms and designed a multimodal collaborative BCI system based on the proposed CUM4-CSP *** feasibility of the proposed multimodal collaborative system framework was demonstrated using a multiplayer game controlling system that simultaneously facilitates the coordination and competitive control of two users on external *** verify the robustness of the proposed scheme,we recruited 30 subjects to conduct online game control experiments,and the results were statistically *** The simulation results prove that the proposed CUM4-CSP algorithm has good noise *** online experimental results indicate that the subjects could reliably perform the game confrontation operation with the selected BCI *** The proposed CUM4-CSP algorithm can effectively extract features from EEG data in a noisy ***,the proposed scheme may provide a new solution for EEG-based group BCI research.

关键词： Collaborative brain-computer interface(BCI) Motion visual evoked potentials(mVEP) Steady-state visual evoked potential(SSVEP) Game controlling system

dNA aptamer S11e recognizes fibrosarcoma and acts as a tumor suppressor

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Bioactive Materials 2022年第6期7卷 278-291页

作者： Yunyi Liu Cheng Peng Hui Zhang Juan Li Hailong Ou Yang Sun Chaoqi Wen dan Qi Xiaoxiao Hu Erxi Wu Weihong Tan State key Laboratory of Chemo/Bio-Sensing and Chemometrics College of BiologyCollege of Chemistry and Chemical EngineeringMolecular Science and Biomedicine Laboratory and Aptamer Engineering Center of Hunan ProvinceHunan UniversityChangshaHunan410082China Shenzhen research Institute Hunan UniversityShenzhenGuangdong518000China Institute of Cancer and Basic Medicine Chinese Academy of SciencesThe Cancer Hospital of the University of Chinese Academy of SciencesHangzhouZhejiang310022China department of Neurosurgery and Neuroscience Institute Baylor Scott&White HealthTempleTX76508USA Texas A&M University Colleges of Medicine and Pharmacy College StationTX77843USA LIVESTrONG Cancer Institutes and department of Oncology Dell Medical SchoolThe University of Texas at AustinAustinTX78712USA Institute of Molecular Medicine Renji HospitalShanghai Jiao Tong University School of MedicineAnd College of Chemistry and Chemical EngineeringShanghai Jiao Tong UniversityShanghai200240China

Fibrosarcoma is a serious malignant mesenchymal tumor with strong invasiveness,high recurrence,and poor ***,surgical resection is the main treatment for ***,due to the lack of specific biomarkers,the inability to accurately diagnose fibrosarcoma can lead to sub-optimal surgical outcomes and decreased ***,we seek to address this translational barrier and we show that dNA aptamer S11e was able to recognize fibrosarcoma cells(HT1080)but not human embryonic lung fibroblast cells with Kd values in the nanomolar *** addition,we found that S11e discerned tumors in HT1080 xenograft mouse models and tumor tissues from fibrosarcoma ***,we demonstrated that S11e internalized into HT1080 cells independent of the lysosome pathway and located in ***,we revealed that S11e promoted the apoptosis of HT1080 cells and inhibited HT1080 cell ***,we investigated the biologically functional cellular target of S11e using a mass spectrometry approach,and identified that diablo/SMAC protein is a cellular binding protein of S11e,by interacting to which S11e inhibited HT1080 cell migration and *** together,these results provide the evidence that S11e may be useful for early diagnosis,targeted therapy,and prognostication of fibrosarcoma.

关键词： Fibrosarcoma Aptamer Mitochondria Apoptosis Migration

Eye-Opening Alters the Interaction Between the Salience Network and the default-Mode Network

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Neuroscience Bulletin 2020年第12期36卷 1547-1551页

作者： Junrong Han Xuehai Wu Hang Wu dong Wang Xuan She Musi Xie Fang Zhang delong Zhang Xilin Zhang Pengmin Qin Centre for Studies of Psychological Applications Guangdong Key Laboratory of Mental Health and Cognitive ScienceSchool of PsychologySouth China Normal UniversityGuangzhou 510631China Neurosurgical department Shanghai Huashan HospitalFudan UniversityShanghai 200040China department of rehabilitation Medicine The Third Affiliated HospitalSun Yat-sen UniversityGuangzhou 510630China Ministry of Education Key Laboratory of BrainCognition and Education Sciences(South China Normal University)Guangzhou 510631China Pazhou Lab Guangzhou 510335China

dear Editor,Brain networks consist of several long-distance regions that interact constantly with each *** between networks suggest that different brain functions are coordinated during complex cognitive tasks[1].A triple-network mechanism underlying cognitive control has been found across task paradigms and stimulus modalities[2].This triple-network mechanism includes the interactions among the salience network(SN),the default mode network(dMN),and the central executive network(CEN).

关键词： network networks Alt

Unprecedently low thermal conductivity of unique tellurium nanoribbons

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Nano research 2021年第12期14卷 4725-4731页

作者： Xiangshui Wu Qiqi Tao da Li Qilang Wang Xiaoyan Zhang Huile Jin Jun Li Shun Wang Xiangfan Xu Center for Phononics and Thermal Energy Science China-EU Joint Center for NanophononicsSchool of Physics Science and EngineeringTongji UniversityShanghai200092China College of Chemistry and Materials Engineering Institute of New Materials and Industrial TechnologiesWenzhou UniversityWenzhou325035China

Tellurene,probably one of the most promising two-dimensional(2d)system in the thermoelectric materials,displays ultra-low thermal ***,a linear thickness-dependent thermal conductivity of unique tellurium nanoribbons in this study reveals that unprecedently low thermal conductivity can be achieved via well-defined nanostructures of low-dimensional tellurium instead of pursuing dimension-reduced 2d *** thinnest tellurium nanoribbon with thickness of 144 nm,the thermal conductivity is only∼1.88±0.22 W·m^(−1)·K^(−1) at room ***’s a dramatic decrease(45%),compared with the well-annealed high-purity bulk *** be more specific,an expected thermal conductivity of tellurium nanoribbons is even lower than that of 2d tellurene,as a result of strong phonon-surface *** have faith in low-dimensional tellurium in which the thermoelectric performance could realize further breakthrough.

关键词： tellurium nanoribbons thickness-dependent thermal conductivity linear relationship phonon-surface scattering

robust leaderless time-varying formation control for unmanned aerial vehicle swarm system with Lipschitz nonlinear dynamics and directed switching topologies

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Chinese Journal of Aeronautics 2022年第1期35卷 124-136页

作者： Yuhang KANG Yu KUANG Jun CHENG Bangchu ZHANG Yahui QI Shaolei ZHOU Kai MAO Shenzhen Institute of Advanced Technology Chinese Academy of SciencesShenzhen 518055China School of Basic Science Naval Aviation UniversityYantai 264001China School of Aeronautics and Astronautics Sun Yat-Sen UniversityGuangzhou 510275China

This paper tackles the robust leaderless Time-Varying Formation(TVF)control problem for the Unmanned Aerial Vehicle(UAV)swarm system with Lipschitz nonlinear dynamics,external disturbances and directed switching *** comparison with the previous achievements on formation control problems,the UAV swarm system with Lipschitz nonlinear dynamics can accomplish the pre-designed TVF while tracking a pre-given trajectory which is produced by a virtual leader UAV in the presence of external ***,by applying the consensus theory,a TVF controller is developed with the local neighborhood status information,the errors of real time status of all UAVs,the expected formation configuration and the pre-given trajectory under directed switching ***,through a certain matrix variable substitution,the UAV swarm system formation control issue is transformed into a lower dimensional asymptotically stable control ***,by introducing the minimum dwell time,the design steps of formation control algorithm are further *** the meantime,the stability of the UAV swarm system is analyzed through the construction of a piecewise continuous Lyapunov functional and via the Linear Matrix Inequalities(LMIs)***,the comparison results of a numerical simulation are elaborated to verify the validity of the proposed approach.

关键词： directed switching topologies Lipschitz nonlinear dynamics Lyapunov functional Swarm system Time-Varying Formation(TVF) Unmanned Aerial Vehicle(UAV)

Facile synthesis of Ni-,Co-,Cu-metal organic frameworks electrocatalyst boosting for hydrogen evolution reaction

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Journal of Materials Science & Technology 2021年第13期72卷 172-179页

作者： Man Zhang di Hu Zhenhao Xu Biying Liu Mebrouka Boubeche Zuo Chen Yuchen Wang Huixia Luo Kai Yan guangdong Provincial key Laboratory of Environmental Pollution and remediation Technology School of Environmental Science and EngineeringSun Yat-sen UniversityGuangzhou 510275China key Lab of Polymer Composite&Functional Materials School of Materials Science and EngineeringSun Yat-sen UniversityGuangzhou510275China

The conductive metal-organic frameworks(MOFs)are suggested as the ideal electrocatalysts for hydrogen evolution reaction(HEr)because of the high utilization of metal *** design and facile synthesis of MOFs with large specific surface area,proper metals as center,and tunable chemical components is still full of ***,we report the facile synthesis three types of porous MOFs by regulating metal center using benzene-1,3,5-tricarboxylic acid(H3 BTC)as organic ligand and have successfully synthesized the rhombic octahedral Cu-BTC,rod-shaped Co-BTC and spherical Ni-BTC materials with large specific surface area ranged in 350-500 m^(2)g^(-1).These as-prepared MOFs materials exhibit high performance of HEr in 0.5 M H_(2)SO_(4).Ni-BTC material exhibits the lowest overpotential of 53 mV at 10 mA cm-2 and the smallest Tafel slope of 62 mV dec^(-1)than those of Cu-BTC(270 mV,155 mV dec^(-1))and Co-BTC(123 mV,100 mV dec^(-1)),which are much superior to these previously reported MOFs *** addition,the fast catalytic kinetic of Ni-BTC was confirmed by the smaller charge transfer resistance(rct)value of 0.9Ωand larger electrochemical active surface area(ECSA)of 35.5 cm^(2)than those of Cu-BTC(8.2Ω,22.5 cm^(2))and Co-BTC(1.9Ω,27.7 cm^(2)).Because of the structural advantage and large ECSA,the turnover frequency(TOF)value of Ni-BTC reaches up to 0.041 s-1 at 120 mV overpotential,which is 20.5 and 2.6 times greater than that of Cu-BTC(0.002 s-1)and Co-BTC(0.016 s-1).Besides,these three types of MOFs exhibited excellent durability over 12 *** study unfolds diverse insights into the design and facile synthesis of MOFs for electrochemical energy conversion system.

关键词： Metal-organic frameworks Hydrogen evolution reaction Activity Overpotential durability

Near-infrared emissive AIE nanoparticles for biomedical applications:From the perspective of different nanocarriers

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Particuology 2023年第3期74卷 103-118页

作者： dingyuan Yan Yi Qin Saisai Yan Panpan Sun Yuanwei Wang dong Wang Ben Zhong Tang Center for AIE research Shenzhen Key Laboratory of Polymer Science and TechnologyGuangdong Research Center for Interfacial Engineering of Functional MaterialsCollege of Materials Science and EngineeringShenzhen UniversityShenzhen518060GuangdongChina School of Science and Engineering Shenzhen Institute of Aggregate Science and TechnologyThe Chinese University of Hong KongShenzhen518172GuangdongChina

Fluorescent imaging based on near-infrared(NIr)fluorophores has revolutionized the techniques employed for detecting biological events in depth owing to their advantages referring to diminished photon scattering,high signal-to-noise ratio and better light transparence through *** for conventional luminogens,the nanofabrication of those innately hydrophobicπ-conjugated architectures into water-dispersible nanoparticles(NPs)may result in attenuated fluorescent intensity deriving from the detrimental distribution ofπ-πinteractions in the confined ***,chromophores possessing aggregation-induced emission(AIE)characteristics emit boosted brightness at aggregate level according to the mechanism of restriction of intramolecular motion(rIM).In this review,we summarize the recent progresses of NIr emissive AIE NPs for multifarious biomedical applications from the viewpoint of different fabricated manners,mainly covering self-assembly and matrices assisted ***,the current challenges and future research directions of NIr AIE NPs are briefly discussed.

关键词： Aggregation-induced emission Nanoparticles Biomedical applications Near-infrared emission Nanocarriers

Soil mineral nitrogen and yield-scaled soil N2O emissions lowered by reducing nitrogen application and intercropping with soybean for sweet maize production in southern China

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Journal of Integrative Agriculture 2017年第11期16卷 2586-2596页

作者： TANG Yi-ling YU Ling-ling GUAN Ao-mei ZHOU Xian-yu WANG Zhi-guo GOU Yong-gang WANG Jian-wu Institute of Tropical and Subtropical Ecology~key Laboratory of Agro-environment in the Tropics Ministry of Agriculture/KeyLaboratory of Agroecology and Rural Environment of Guangdong Regular Higher Education Institutions South China AgriculturalUniversity Guangzhou 510642 P.R. China

The increasing demand for fresh sweet maize （Zea mays L. saccharata） in southern China has prioritized the need to find solutions to the environmental pollution caused by its continuous production and high inputs of chemical nitrogen fertilizers. A promising method for improving crop production and environmental conditions is to intercrop sweet maize with legumes. Here, a three-year field experiment was conducted to assess the influence of four different cropping systems （sole sweet maize （SS）, sole soybean （SB）, two rows sweet maize-three rows soybean （S2B3） intercropping, and two rows sweet maize-four rows soybean （S2B4） intercropping）, together with two rates of N fertilizer application （300 and 360 kg N ha-1） on grain yield, residual soil mineral N, and soil N2O emissions in southern China. results showed that in most case, inter- cropping achieved yield advantages （total land equivalent ratio （TLEr=0.87-1.25） was above one）. Moreover, intercropping resulted in 39.8% less soil mineral N than SS at the time of crop harvest, averaged over six seasons （spring and autumn in each of the three years of the field experiment）. Generally, intercropping and reduced-N application （300 kg N ha-1） produced lower cumulative soil N20 and yield-scaled soil N20 emissions than SS and conventionaI-N application （360 kg N ha-l）, respectively. $2B4 intercropping with reduced-N rate （300 kg N ha-~） showed the lowest cumulative soil N20 （mean value=0.61 kg ha-1） and yield-scaled soil N20 （mean value=0.04 kg t-1） emissions. Overall, intercropping with reduced-N rate maintained sweet maize production, while also reducing environmental impacts. The system of S2B4 intercropping with reduced-N rate may be the most sustainable and environmentally friendly cropping system.

关键词： sweet maize-soybean intercrop cropping system N fertilizer rate grain yield soil mineral N soil NzO emissions