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Building Feedback-Regulation System Through Atomic Design for Highly Active SO_(2)Sensing

Nano-Micro Letters 2024年第7期16卷 343-357页

作者： Xin Jia Panzhe Qiao Xiaowu Wang Muyu Yan Yang Chen Bao-Li An Pengfei Hu Bo Lu Jing Xu Zhenggang Xue Jiaqiang Xu nest Lab Department of ChemistryCollege of SciencesShanghai UniversityShanghai 200444People’s Republic of China Shanghai Synchrotron Radiation Facility Zhangjiang LabShanghai Advanced Research InstituteChinese Academy of SciencesShanghai 201204People’s Republic of China School of Chemistry and Materials Science University of Science and Technology of ChinaHefei 230026People’s Republic of China Key Laboratory of Organic Compound Pollution Control Engineering(MOE) School of Environmental and Chemical EngineeringShanghai UniversityShanghai 200444People’s Republic of China Shanghai University Instrumental Analysis&Research Center of Shanghai UniversityShanghai 200444People’s Republic of China

Reasonably constructing an atomic interface is pronouncedly essential for surface-related gas-sensing reaction.Herein,we present an ingen-ious feedback-regulation system by changing the interactional mode between single Pt atoms and adjacent S species for high-efficiency SO_(2)sensing.We found that the single Pt sites on the MoS_(2)surface can induce easier volatiliza-tion of adjacent S species to activate the whole inert S plane.Reversely,the activated S species can provide a feedback role in tailoring the antibonding-orbital electronic occupancy state of Pt atoms,thus creating a combined system involving S vacancy-assisted single Pt sites(Pt-Vs)to synergistically improve the adsorption ability of SO_(2)gas molecules.Further-more,in situ Raman,ex situ X-ray photoelectron spectroscopy testing and density functional theory analysis demonstrate the intact feedback-regulation system can expand the electron transfer path from single Pt sites to whole Pt-MoS_(2)supports in SO_(2)gas atmosphere.Equipped with wireless-sensing modules,the final Pt1-MoS_(2)-def sensors array can further realize real-time monitoring of SO_(2)levels and cloud-data storage for plant growth.Such a fundamental understanding of the intrinsic link between atomic interface and sensing mechanism is thus expected to broaden the rational design of highly effective gas sensors.

关键词： Feedback-regulation system Atomic interface SO_(2)sensor Single-atom sensing mechanism Intelligent-sensing array

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Erratum to:Superlubricity of epitaxial monolayer WS_(2)on graphene

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Nano Research 2024年第6期17卷 5754-5754页

作者： Holger Büch Antonio Rossi Stiven Forti Domenica Convertino Valentina Tozzini Camilla Coletti Center for Nanotechnology Innovation@nest Istituto Italiano di TecnologiaPiazza S.Silvestro 1256127 PisaItaly nest Istituto Nanoscienze–CNR and Scuola Normale SuperiorePiazza San Silvestro 1256127 PisaItaly Graphene Labs Istituto Italiano di TecnologiaVia Morego 3016163 GenovaItaly

The article"Superlubricity of epitaxial monolayer WS2 on graphene",written by Holger Büch,Antonio Rossi,Stiven Forti,Domenica Convertino,Valentina Tozzini,and Camilla Coletti,was originally published electronically on the publisher’s internet portal(currently SpringerLink)on June 18th 2018 without open access.With the author(s)’decision to opt for Open Choice the copyright of the article changed in August 2018 to©The Author(s)2018 and the article is forthwith distributed under the terms of the Creative Commons Attribution 4.0 International License(http://***/licenses/by/4.0/),which permits use,duplication,adaptation,distribution and reproduction in any medium or format,as long as you give appropriate credit to the original author(s)and the source,provide a link to the Creative Commons license and indicate if changes were made.

关键词： monolayer epitaxial license

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Spatiotemporal oxygen dynamics in young leaves reveal cyclic hypoxia in plants

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Molecular Plant 2024年第3期17卷 377-394页

作者： Paolo M.Triozzi Luca Brunello Giacomo Novi Gianmarco Ferri Francesco Cardarelli Elena Loreti Mariano Perales Pierdomenico Perata PlantLab Center of Plant SciencesSant'Anna School of Advanced Studies56010 PisaItaly Centro de Biotecnologia y Genomica de Plantas Universidad Politecnica de Madrid(UPM)-Instituto Nacional de Investigacion y Tecnologia Agraria y Alimentaria(INIA-CSIC)Campus de Montegancedo UPMPozuelo de Alarcon28223 MadridSpain Fondazione Pisana per la Scienza 56017 PisaItaly Laboratorio nest Scuola Normale SuperioreIstituto Nanoscienze-CNRPiazza S.Silvestro1256127 PisaItaly institute of Agricultural Biology and Biotechnology National Research Council56124 PisaItaly Departamento de Biotecnologia-Biologia Vegetal Escuela Tecnica Superior de Ingenieria AgronomicaAlimentaria y de BiosistemasUniversidad Politecnica de Madrid(UPM)28040 Madrid.Spain

Oxygen is essential for plant growth and development.Hypoxia occurs in plants due to limited oxygen avail-abilityfollowing adverse environmental conditions as well inhypoxic niches in otherwisenormoxic environ-ments.However,the existence and functional integration of spatiotemporal oxygen dynamics with plant development remains unknown.In animal systems dynamic fluctuations in oxygen availability are known as cyclic hypoxia.In this study,we demonstrate that cyclic fluctuations in internal oxygen levels occur in young emerging leaves of Arabidopsis plants.Cyclic hypoxia in plants is based on a mechanism requiring the ETHYLENE RESPONSE FACTORS type VII(ERFVII)that are central components of the oxygen-sensing machinery in plants.The ERFVll-dependent mechanism allows precise adjustment of leaf growth in response to carbon status and oxygen availability within plant cells.This study thus establishes a functional connection between internal spatiotemporal oxygen dynamics and developmental processes of plants.

关键词： Arabidopsis hypoxia cyclic hypoxia leaf development oxygen-sensing mechanism ERFVII

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Proteins:Neglected active ingredients in edible bird’s nest

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Chinese Herbal Medicines 2023年第3期15卷 383-390页

作者： Man Yuan Xiaoxian Lin Dongliang Wang Jianye Dai Hebei Edible Bird's nest Fresh Stew Technology Innovation Center Langfang 065700China School of Pharmacy Lanzhou UniversityLanzhou 730000China

Edible bird’s nest(EBN)is a kind of natural invigorant with a long history of consumption in Asia,especially in China.EBN is formed by mixing the saliva of swiftlets(Aerodramus)with feathers and other components during the breeding season.Proteins are the most important nutrient in EBN.By studying proteins in EBN,we can not only elucidate their components at the molecular level,but also study their bioactivities.Therefore,it is of great significance to study the proteins in EBN.Previous research on the proteins in EBN was preliminary and cursory,and no one has summarized and analyzed the proteins in EBN and correlated the bioactivities of these proteins with the biological functions of EBN.This article focused on the proteins in EBN,listed the proteins identified in different proteomic studies,and introduced the sources,structures and bioactivities of the most frequently identified proteins,including acidic mammalian chitinase,lysyl oxidase homolog 3,mucin-5AC,ovoinhibitor,nucleobindin-2,calciumbinding protein(MW:4.5×10~4)and glucose-regulated protein(MW:7.8×10~4).The properties of these proteins are closely related to the bioactivities of EBN.Therefore,this article can provide inspiration for further research on the efficacy of EBN.

关键词： acidic mammalian chitinase bioactivityedible bird’s nest lysyl oxidase homolog 3 mucin-5AC proteins

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Enhancement and Function of the Piezoelectric Effect in Polymer Nanofibers

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Accounts of Materials Research 2022年第9期3卷 900-912页

作者： Luana Persano Sujoy Kumar Ghosh Dario Pisignano nest Istituto Nanoscienze-CNR and Scuola Normale SuperioreI-56127 PisaItaly Dipartimento di Fisica Universitàdi PisaI-56127 PisaItaly

CONSPECTUS:The realization of intelligent,self-powered compo-nents and devices exploiting the piezoelectric effect at large scale might greatly contribute to improve our efficiency in using resources,albeit a profound redesign of the materials and architectures used in current electronic systems would be necessary.Piezoelectricity is a property of certain materials to generate an electrical bias in response to a mechanical deformation.This effect enables energy to be harvested from strain and vibration modes,and to sustain the power of actuators,transducers,and sensors in integrated networks,such as those necessary for the Internet of Thing.

关键词： fibers piezoelectric realization

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Beyond vertebrates:the amphioxus as a relevant model system to explore the formation,organization,and regeneration of neuromuscular synapses

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Neural Regeneration Research 2022年第11期17卷 2425-2426页

作者： Esperanza Martínez Sylvain Marcellini Juan Pablo Henríquez Neuromuscular Studies Lab (nest Lab) Group for the Study of Developmental Processes (GDeP) Department of Cell BiologyFaculty of Biological SciencesUniversidad de Concepción Laboratory of Development and Evolution (LADE)

The neuromuscular junction(NMJ)is the peripheral synapse controlling muscle contraction and coordinated movement in a wide variety of animals.In humans,the mature NMJ is the primary target of morphological disassembly... 详细信息

关键词： system contraction synapse

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Unveiling the detection dynamics of semiconductor nanowire photodetectors by terahertz near-field nanoscopy

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Light(Science & Applications) 2020年第1期9卷 184-195页

作者： Eva A.A.Pogna Mahdi Asgari Valentina Zannier Lucia Sorba Leonardo Viti Miriam S.Vitiello nest CNR-Istituto Nanoscienze and Scuola Normale SuperiorePiazza San Silvestro 1256127 PisaItaly

Semiconductor nanowire field-effect transistors represent a promising platform for the development of roomtemperature(RT)terahertz(THz)frequency light detectors due to the strong nonlinearity of their transfer characteristics and their remarkable combination of low noise-equivalent powers(100 V/W).Nano-engineering an NW photodetector combining high sensitivity with high speed(subns)in the THz regime at RT is highly desirable for many frontier applications in quantum optics and nanophotonics,but this requires a clear understanding of the origin of the photo-response.Conventional electrical and optical measurements,however,cannot unambiguously determine the dominant detection mechanism due to inherent device asymmetry that allows different processes to be simultaneously activated.Here,we innovatively capture snapshots of the photo-response of individual InAs nanowires via high spatial resolution(35 nm)THz photocurrent nanoscopy.By coupling a THz quantum cascade laser to scattering-type scanning near-field optical microscopy(s-SNOM)and monitoring both electrical and optical readouts,we simultaneously measure transport and scattering properties.The spatially resolved electric response provides unambiguous signatures of photo-thermoelectric and bolometric currents whose interplay is discussed as a function of photon density and material doping,therefore providing a route to engineer photo-responses by design.

关键词： scattering quantum frontier

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Low-temperature quantum transport in CVD-grown single crystal graphene

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Nano Research 2016年第6期9卷 1823-1830页

作者： Shaohua Xiang Vaidotas Miseikis Luca Planat Stefano Guiducci Stefano Roddaro Camilla Coletti Fabio Beltram Stefan Heun nest Istituto Nanoscienze--CNR and Scuola Normale Superiore Piazza San Silvestro 12 $6127 Pisa Italy Center for Nanotechnology Innovation @nest Istituto Italiano di Tecnologia Piazza San Silvestro 12 56127 Pisa Italy

Chemical vapor deposition （CVD） is typically used for large-scale graphene synthesis for practical applications. However, the inferior electronic properties of CVD graphene are one of the key problems to be solved. Therefore, we present a detailed study on the electronic properties of high-quality single-crystal monolayer graphene. The graphene is grown via CVD on copper, by using a cold-wall reactor, and then transferred to Si/SiO2. Our low-temperature magneto-transport data demonstrate that the characteristics of the single-crystal CVD graphene samples are superior to those of polycrystalline graphene and have a quality which is comparable to that of exfoliated graphene on Si/SiO2. The Dirac point in our best samples occurs at back-gate voltages lower than 10 V, and a maximum mobility of 11,000 cm2/（V.s） is attained. More than 12 flat and discernible half-integer quantum Hall plateaus occur under a high magnetic field on both the electron and hole sides of the Dirac point. At a low magnetic field, the magnetoresistance exhibits a weak localization peak. Using the theory of McCann et al., we obtain inelastic scattering lengths of 〉1 um, even at the charge neutrality point of the samples.

关键词： high-quality chemicalvapor deposition （CVD）-graphene,low-temperaturemagnetotransport,quantum Hall effect,weak localization

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Synthesis of iron oxide cubes/reduced graphene oxide composite and its enhanced lithium storage performance

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Chinese Chemical Letters 2021年第1期32卷 113-118页

作者： Chenran Hao Tiange Gao Anbao Yuan Jiaqiang Xu nest Lab Department of ChemistryCollege of SciencesShanghai UniversityShanghai 200444 China

Fe_(3)O_(4) is considered as a promising electrode material for lithium-ion batteries(LIBs) due to its low cost and high theoretical capacity(928 mAh/g).Nevertheless,the huge volume expansion and poor conductivity seriously hamper its practical applications.In this study,we use a facile hydrothermal reaction together with a post heat treatment to construct the three-dimensional heterostructured composite(Fe_(3)O_(4)/rGO) inwhich reduced graphene oxide sheets wraped the Fe_(3)O_(4) submicron cubes as the conductive network.The electric conduction and electrode kinetics of lithium ion insertion/extraction reaction of the composite is enhanced due to the assist of conductive rGO,and thus the Listorage performance is obviously improved.The composite exhibits a reversible charge capacity of772.1 mAh/g at the current density of 0.1 A/g,and the capacity retention reaches 70.3% after400 cycles at0.5 A/g,demonstrating obviously higher specific capacity and rate capability over the Fe_(3)O_(4) submicron cubes without rGO,and much superior cycling stability to the parent Fe_2 O_3 submicron cubes without rGO.On the other hand,as a synergic conductive carbon support,the flexible rGO plays an important role in buffering the large volume change during the repeated discharge/charge cycling.

关键词： Iron oxide Reduced graphene oxide Composite Lithium ion battery Anod

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Surface coal mine permit application for successful reclamation, semi-arid shortgrass prairie （Wyoming, USA）

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International Journal of Coal Science & Technology 2018年第1期5卷 8-17页

作者： Anna Krzyszowska Waitkus Environmental Consulting 80 Eagle Nest LaramieWY 82070 USA

Approximately 40% of USA coal originates in an ecologically sensitive area of semi-arid shortgrass prairie in Wyoming. Before a surface coal mine can begin operation in the USA, it must secure a mining permit and comply with regulations and performance standards under the USA Surface Mining Control and Reclamation Act (SMCRA), other federal environmental acts, and state programs. The Wyoming Department of Environmental Quality (WDEQ)/Land Quality Division (LQD) administers Wyoming’s coal regulatory program. The permit application and bonding process for the largest surface coal mine permit in the USA, North Antelope Rochelle Mine (NARM) located in short grassland prairie in the northeast Wyoming, is discussed. The permit application process begins with the collection of baseline environmental data that characterizes premining conditions of the permit area. The permit application includes adjudication information, baseline information, mine and operation plans, and reclamation plans. Fulfillment of permit commitments and requirements of rules and regulations are inspected monthly by the LQD’s representative in the field. Before a mine permit is issued, the mine operator must submit a reclamation bond to secure the performance of reclamation obligations that is later revised annually. In Wyoming, four reclamation bond release phases indicate the completion of various stages of the reclamatikon process. NARM’s specific bond release verification cirteria, performance standards, and field verificatoins of bond release phases are discussed. The Bond Release Geodatabase (a GIS/GPS approach) was developed for this mine to monitor progress in meeting criteria and performance standards for incremental bond release. The Bond Release Geodatabase significantly reduces the time needed to track bond release progress, reach agreement between operator and regulator, and improve the state inspector’s ability to assess reclamation adequacy and progress.

关键词： Surface coal mine permitting Bonding Reclamation GIS/GPS geodatabase USA rules and regulations Inspections

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