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Journal of Materials Science & Technology 2015年第8期31卷 806-814页

作者： a.barroso-bogeat M.Alexandre-Franco C.Fernndez-Gonzlez V.Gómez-Serrano Department of Organic and Inorganic Chemistry Faculty of SciencesUniversity of Extremadura

In catalysis processes, activated carbon （AC） and metal oxides （MOs） are widely used either as catalysts or as catalyst supports because of their unique properties. A combination of AC and MO nanoparticles in a single hybrid material usually entails both chemical and microstructural changes, which may largely influence the potential catalytic suitability and performance of the resulting product. Here, the prepa- ration of a wide series of AC-MO hybrid catalysts is studied. Three series of such catalysts are prepared by support first of MO （Al2O3, Fe2O3, SnO2, TiO2, WO3, and ZnO） precursors on a granular AC by wet impregnation and oven-drying at 120 ℃, and by subsequent heat treatment at 200 or 850℃ in inert atmosphere. Both the chemical composition and microstructure are mainly investigated by powder X-ray diffraction. Yield and ash content are often strongly dependent on the MO precursor and heat treatment temperature, in particular for the Sn catalysts. With the temperature rise, trends are towards the transformation of metal hydroxides into metal oxides, crystallinity improvement, and occurrence of drastic composition changes, ultimately leading to the formation of metals in elemental state and even metal carbides. Reaction paths during the preparation are explored for various hybrid catalysts and new insights into them are provided.

关键词： Activated carbon Metal oxides Hybrid catalysts Preparation Microstructural characterization X-ray diffraction

Modulating the growth of cysteine-capped cadmium sulfide quantum dots with enzymatically produced hydrogen peroxide

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Nano Research 2017年第6期10卷 1932-1941页

作者： Ruta Grinyte Javier barroso Laura Saa Valeri Pavlov Biosensing Unit CIC BiomaGUNE Parque Tecnologico de San Sebastian Paseo Miramon 182 Donostia-San Sebastian 20014 Spain

Cysteine （CSH） readily stabilizes cadmium sulfide quantum dots （CdS QDs） that grow in aqueous buffered solutions. The oxidation of CSH by hydrogen peroxide （H202） at room temperature yields cystine （CSSC）, which is less efficient in stabilizing CdS QDs compared to CSH. Herein, we demonstrate that such oxidation causes a decrease in the formation rate of CSH-capped CdS QDs from Cd^2＋ and S^2- ions. For the first time, we combined the oxidation of CSH with the glucose oxidase （GOx）-assisted biocatalytic oxidation of D-glucose, which leads to a buildup of H2O2 in the reaction mixture. The enzymatically modulated in situ growth of CdS QDs was monitored using two techniques： fluorescence spectroscopy and photoelectrochemical （PEC） analysis. This system enables quantification of GOx and glucose in human serum.

关键词： quantum dots photoelectrochemistry enzyme fluorescence hydrogen peroxide

Approaches for handling high-dimensional cluster expansions of ionic systems

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npj Computational Materials 2022年第1期8卷 1254-1264页

作者： Julia H.Yang Tina Chen Luis barroso-Luque Zinab Jadidi Gerbrand Ceder Department of Materials Science and Engineering BerkeleyCA94720USA Materials Sciences Division Lawrence Berkeley National LaboratoryBerkeleyCA94720USA

Disordered multicomponent systems attract great interest due to their engineering design flexibility and subsequent rich space of ***,detailed characterization of the structure and atomic correlations remains challenging and hinders full navigation of these complex spaces.A lattice cluster expansion is one tool to obtain configurational and energetic *** in theory a cluster expansion can be applied to any system of any dimensionality,the method has primarily been used in binary systems or ternary *** we apply cluster expansions in high-component ionic systems,setting up the largest cluster expansion ever attempted to our *** doing so,we address and discuss challenges specific to high-component ionic systems,namely charge state assignments,structural relaxations,and rank-deficient *** introduce practical procedures to make the fitting and analysis of complex systems tractable,providing guidance for future computational studies of disordered ionic systems.

关键词： properties cluster ionic

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Guest Editorial

Digital Communications and Networks 2022年第6期8卷 865-867页

作者： Honghao Gao Ramon J.Duran barroso Zhiyuan Tan School of Computer Engineering and Science Shanghai UniversityChina Universidad de Valladolid Spain School of Computing Edinburgh Napier UniversityUK

Special issue on Collaborative computing to information fusion for5GIoTsocialdata With the development of 5G IoT technology,a large amount of social data is generated every *** to handle these social data has become a critical *** Fusion with Collaborative Computing aims to help academia and industry understand data,information and ***,in this special issue,we selected the following highquality papers from open submissions.A summary is outlined below.

关键词： handle problem IoT

A fuzzy cognitive map-based algorithm for predicting water consumption in Spanish healthcare centres

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Building Simulation 2023年第11期16卷 2193-2205页

作者： Gonzalo Sánchez-barroso Jaime González-Domínguez Joao Paulo Almeida-Fernandes Justo García-Sanz-Calcedo Engineering Projects Area University of ExtremaduraAv.Elvas06006BadajozSpain Department of Paisagem Ambiente e OrdenamentoUniversity of EvoraR.Romão Ramalho7000-650ÉvoraPortugal

The management of water consumption in healthcare centres can have positive impacts on both the environmental performance and profitability of health *** tools assist in the decision-making process of managing the operation and maintenance of healthcare *** research aimed to integrate the empirical knowledge of experts in Healthcare Engineering and the historical data from 66 healthcare centres in a Fuzzy Cognitive *** outputs of the predictive model included water consumption,water cost,and CO_(2) emissions in healthcare facilities,along with eleven variables to discover the causes and consequences of water consumption in healthcare centres.A healthcare centre with about 12350 users,located in a city that experiences an average of 1100 heating degree days,whose facilities be moderately energy-efficient contributing over 50%with renewable energies is expected to consume 8.4 dam^(3) of water with 32.1 k€of cost,and contribute realising 30.8 ton CO_(2)eq *** use of Fuzzy Cognitive Maps for prediction can provide a high level of effectiveness in identifying the factors that contribute to water consumption and in designing key performance indicators to manage the environmental performance of healthcare *** tool is extremely effective in enhancing the performance of the management division of health systems.

关键词： water consumption Fuzzy Cognitive Maps healthcare centres Healthcare Engineering water management

The aryl hydrocarbon receptor and the gut–brain axis

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Cellular & Molecular Immunology 2021年第2期18卷 259-268页

作者： Andreia.barroso João Vitor Mahler Pedro Henrique Fonseca-Castro Francisco J.Quintana Ann Romney Center for Neurologic Diseases Brigham and Women’s HospitalHarvard Medical SchoolBostonMAUSA Faculdade de Medicina FMUSP Universidade de São PauloSão PauloSPBrazil Broad Institute of MIT and Harvard CambridgeMAUSA

The aryl hydrocarbon receptor(AHR)is a ligand-activated transcription factor initially identified as the receptor for *** half a century after its discovery,AHR is now recognized as a receptor for multiple physiological ligands,with important roles in health and *** this review,we discuss the role of AHR in the gut–brain axis and its potential value as a therapeutic target for immune-mediated diseases.

关键词： Aryl hydrocarbon receptor Autoimmune diseases Infectious diseases cancer

Nondestructive and Fast Vibration Phenotyping of Plants

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Plant Phenomics 2019年第1期1卷 152-161页

作者： E.de Langre O.Penalver P.Hémon J.-M.Frachisse M.-B.bogeat-Triboulot B.Niez E.Badel B.Moulia LadHyX CNRSEcole PolytechniqueInstitut Polytechnique de Paris91128 PalaiseauFrance Institute for Integrative Biology of the Cell(I2BC) CEACNRSUniv.Paris-SudUniversit′e Paris-Saclay91198Gif-sur-Yvette cedexFrance Universit′e de Lorraine INRAAgroParisTechUMR Silva54000 NancyFrance Universit′e Clermont Auvergne INRAPIAF63100 Clermont-FerrandFrance

The frequencies of free oscillations of plants,or plant parts,depend on their geometries,stiffnesses,and *** direct biomechanical interest,free frequencies also provide insights into plant properties that can usually only bemeasured destructively or with low-throughput techniques(e.g.,change inmass,tissue density,or stiffness over development or with stresses).We propose here a new high-throughput method based on the noncontact measurements of the free frequencies of the standing *** plant is excited by short air pulses(typically 100ms).The resulting motion is recorded by a high speed video camera(100 fps)and processed using fast space and time correlation *** less than aminute the mechanical behavior of the plant is tested over several *** performance and versatility of this method has been tested in three contrasted species:tobacco(Nicotiana benthamian),wheat(Triticum aestivum L.),and poplar(Populus sp.),for a total ofmore than 4000 data *** tobaccowe show that water stress decreased the free frequency by 15%.In wheat we could detect variations of less than 1 g in the mass of *** poplar we could measure frequencies of both the whole stem and *** work provides insight into new potential directions for development of phenotyping.

关键词： directions Vibration insight

A regionalized IO-model to value seasonal recreational ecosystem services in a mountain National Park in Spain

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Journal of Mountain Science 2022年第1期19卷 211-227页

作者： Víctor MARTIN barroso Mónica de CASTRO-PARDO Pascual FERNÁNDEZ MARTÍNEZ João C.AZEVEDO Department of Applied Economics I and history and economic institutions Faculty of Law and Social SciencesUniversidad Rey Juan CarlosCampus of VicálvaroTulipanMóstoles 28933Spain Department of Financial and Actuarial Economics and Statistics-Statistics and Operational Research Complutense University of MadridCampus of SomosaguasPozuelo de Alarcon 28223Spain Centro de Investigação de Montanha Instituto Politécnico de BragançaCampus de Santa ApolóniaBragança 5300-253Portugal

Recreational Ecosystem Services(RES)are among the most frequently evaluated ecosystem *** are seen as a major opportunity for sustainable development in areas of high ecological value resulting from the presence of emblematic species,habitats or scenery,often integrated in conservation areas,in particular in mountain areas affected by depopulation,rising environmental risks and ***,the assessment of RES has been based on Contingent Valuation and Choice Experiments,methods with limitations related to their ***,Input-Output(IO)models provide a very accurate and effective way of valuation of RES with regional information regarding interindustry *** data on nature tourist expenditure may be only available annually,tourism inflows have a strong seasonal behavior,which impacts the profitability of several local economic *** this paper,we firstly constructed a novel regionalized IO-model based on Cross-Industry Location Quotients using employment data and,secondly,based on Monte Carlo simulation,we estimated nature tourist expenditure monthly using data on nature tourism *** method allowed for a more precise RES evaluation,estimating direct,indirect and induced monthly economic impacts of nature-based *** method was applied to the Ordesa and Monte Perdido(OMP)National Park in the Spanish *** estimate the average tourist expenditure,we collected and analyzed spending on commerce,hospitality and restaurants,leisure,and transport of 385 *** suggest that using a regionalized IO model leads to a considerable reduction of over-estimation of the economic impact of tourist expenditure estimated by conventional *** into consideration the direct,indirect and induced effects of tourist expenditure in 2016-2018,the total annual output effect in the OMP National Park amounted to€208.8 million,while the total income effect amounted to€86.29 ***,a total of

关键词： Input-Output Monte Carlo Simulation Location quotients Recreational Ecosystem Services Nature tourism Sustainable mountain development

Hormone abuse in sports： the antidoping perspective

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Asian Journal of Andrology 2008年第3期10卷 391-402页

作者： Osquel barroso Irene Mazzoni Olivier Rabin Science Department World Anti-Doping Agency （WADA） Montreal Quebec H4Z 1B7 Canada

Since ancient times, unethical athletes have attempted to gain an unfair competitive advantage through the use of doping substances. A list of doping substances and methods banned in sports is published yearly by the World AntiDoping Agency （WADA）. A substance or method might be included in the List if it fulfills at least two of the following criteria： enhances sports performance; represents a risk to the athlete＇s health; or violates the spirit of sports. This list, constantly updated to reflect new developments in the pharmaceutical industry as well as doping trends, enumerates the drug types and methods prohibited in and out of competition. Among the substances included are steroidal and peptide hormones and their modulators, stimulants, glucocorticosteroids, β2-agonists, diuretics and masking agents, narcotics, and cannabinoids. Blood doping, tampering, infusions, and gene doping are examples of prohibited methods indicated on the List. From all these, hormones constitute by far the highest number of adverse analytical findings reported by antidoping laboratories. Although to date most are due to anabolic steroids, the advent of molecular biology techniques has made recombinant peptide hormones readily available. These substances are gradually changing the landscape of doping trends. Peptide hormones like erythropoietin （EPO）, human growth hormone （hGH）, insulin, and insulin-like growth factor Ⅰ （IGF-Ⅰ） are presumed to be widely abused for performance enhancement. Furthermore, as there is a paucity of techniques suitable for their detection, peptide hormones are all the more attractive to dishonest athletes. This article will overview the use of hormones as doping substances in sports, focusing mainly on peptide hormones as they represent a pressing challenge to the current fight against doping. Hormones and hormones modulators being developed by the pharmaceutical industry, which could emerge as new doping substances, are also discussed.

关键词： World Anti-Doping Agency doping hormone sport

Litter decomposition and nutrient release for two tropical N-fixing species in Rio de Janeiro,Brazil

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Journal of Forestry Research 2022年第2期33卷 487-496页

作者： David Pessanha Siqueira Giovanna Campos Mamede Weiss de Carvalho JoséGabriel de Souza Silva Marcos Vinicius Winckler Caldeira Deborah Guerra.barroso Laboratório de Fitotecnia Universidade Estadual do Norte Fluminense Darcy RibeiroAvenida Alberto Lamego2000Campos dos GoytacazesRio de JaneiroBrazil Departamento de Ciências Florestais e da Madeira Universidade Federal do Espírito SantoAvenida Governador Lindenberg316Jerônimo MonteiroEspírito SantoBrazil Department of Geosciences and Natural Resources Management University of CopenhagenRolighedsvej 23Frederisksberg CDenmark

Litter production and decomposition are critical to forest productivity,nutrient cycling,and carbon seques-tration in tropical woody ***,nutrient release and leaf litter stoichiometry in tropical legume tree plantations over the long term after outplanting are poorly understood or even *** improving our under-standing of the pattern of changes in the decomposition of N-fixing leaf litters and their possible impact on carbon stor-age,we measured litter production,mass loss and nutrient release for 240 d during litter decomposition for two tropical legume tree species(Plathymenia reticulata and Hymenaea courbaril),in Rio de Janeiro,*** production for *** was 5.689 kg ha^(−1) a^(−1) and 3.231 kg ha^(−1) a^(−1) for *** patterns of mass loss rates were similar;however,nutrient release was greater for ***,while *** showed immobilization of nutrients,especially for N,which increased by almost 20%in the early phase of decomposition followed by gradual *** from the N-fixing species did differ in nutrient chemistries over time,which was not surprising given that initial nutrient concentrations varied broadly,except for C and *** of the nutrient concentrations increased as the remaining litter mass decreased in both species,except for C and *** C:N and N:P ratios differed between the species,but N:P did not correlate to mass *** species had N-rich leaves,but *** decomposition was very likely P-limited,while *** seemed to be co-limited by N and *** results showed different patterns in nutrient release and the stoichi-ometry involved in the decomposition dynamics of the two tropical N-fixing species,even though they have similar litter decay *** species,but especially ***,may help re-establish nutrient cycling in disturbed ecosystems.

关键词： Nutrient dynamics Legume species Litter chemistry Ecological stoichiometry Tropical forest