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Climatic and fire determinants of early life-history stages in the Mediterranean shrub Cistus albidus

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Journal of Plant ecology 2020年第1期13卷 3-11页

作者： Sandra Saura-mas Anna Saperas Franciso Lloret Center for ecological Research and Forestry Applications(CReAF) E 08193 BellaterraBarcelonaSpain Unit of ecology Department of Animal and Plant Biology and EcologyAutonomous University of BarcelonaE-08193 BellaterraBarcelonaSpain

Aims Cistus albidus reproductive traits have been studied on typical Mediterranean shrublands along a water availability gradient in Northeastern Iberian *** of this species is known to be highly favoured by ***,Mediterranean species are particularly dependent on water ***,we establish the hypothesis that in addition to fire disturbance,seedling recruitment in this Mediterranean seeder will be improved in drought-induced episodes resulting in generalized canopy *** Individuals of several populations of *** were collected and the size,weight and number of fruits and seeds were *** tests were also carried out on five pre-germination treatments:seeds’exposure to heat shock,imbibition,two cycles of imbibition/desiccation and the combination of heat shock and imbibition and imbibition/desiccation ***,the number of seedlings after a drought event was surveyed in the field and correlated with canopy *** findings Our study shows the variability of the *** reproductive traits,such as germination rate or fruit production,along the water availability *** variability resulted in a decrease in fruit production but an increase in successful germination under drier *** albidus seeds increased germination with heat,demonstrating their ability to successfully establish after ***,recruitment was not exclusively fire dependent since seedling establishment was higher under *** canopies that had collapsed after the extreme ***,adult density increased *** die-off and mortality,as well as seedling *** results suggest that this species exhibits a trade-off between different reproductive outcomes(*** production ***),which in turn is determined by *** study also provides evidence of how intra-specific competition,climate,particularly drought events and fire disturbance,can determine th

关键词： seeder germination Cistus albidus life history Mediterranean fire drought resilience

Removal of carbofuran is not affected by co-application of chlorpyrifos in a coconut fiber/compost based biomixture after aging or pre-exposure

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Journal of environmental Sciences 2016年第8期28卷 182-189页

作者： Juan Salvador Chin-Pampillo Mario masís-Mora Karla Ruiz-Hidalgo elizabeth Carazo-Rojas Carlos e.Rodríguez-Rodríguez Research Center of environmental Contamination (CICA) University of Costa Rica

Biomixtures constitute the biologically active part of biopurification systems（BPS）, which are used to treat pesticide-containing wastewater. The aim of this work was to determine whether co-application of chlorpyrifos（CLP） affects the removal of carbofuran（CFN）（both insecticide/nematicides） in a coconut fiber–compost–soil biomixture（FCS biomixture）, after aging or previous exposure to CFN. Removal of CFN and two of its transformation products（3-hydroxycarbofuran and 3-ketocarbofuran） was enhanced in pre-exposed biomixtures in comparison to aged biomixtures. The co-application of CLP did not affect CFN removal, which suggests that CLP does not inhibit microbial populations in charge of CFN *** to the removal behavior, mineralization of radiolabeled14C-pesticides showed higher mineralization rates of CFN in aged biomixtures（with respect to freshly prepared or pre-exposed biomixtures）. In the case of CLP, mineralization was favored in freshly prepared biomixtures, which could be ascribed to high sorption during aging and microbial inhibition by CFN in pre-exposure. Regardless of removal and mineralization results, toxicological assays revealed a steep decrease in the acute toxicity of the matrix on the microcrustacean Daphnia magna（over 97%） after 8 days of treatment of individual pesticides or the mixture CFN/*** suggest that FCS biomixtures are suitable to be used in BPS for the treatment of wastewater in fields where both pesticides are employed.

关键词： Biomixture Pesticide Mineralization Toxicity Biopurification system

Systemic juvenile idiopathic arthritis–associated lung disease: A retrospective cohort study

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World Journal of Clinical Pediatrics 2024年第1期13卷 73-83页

作者： Konstantin e Belozerov Natalia M Solomatina eugenia A Isupova Alla A Kuznetsova Mikhail M Kostik Department of Pediatric Saint-Petersburg State Pediatric Medical UniversitySaint-Petersburg 194100Russia St.Petersburg State Budgetary Institution of Health Care Children's City Polyclinic No.29 of the Kalininsky District of St.PetersburgSt.Petersburg 195274Russia Research Laboratory of Autoimmune and Autoinflammatory Diseases World-Class Research Centre for Personalized MedicineAlmazov National Medical Research CentreSt.Petersburg 197341Russia

BACKGROUND Lung damage in systemic juvenile arthritis(sJIA)is one of the contemporary topics in pediatric *** previous studies showed the severe course and fatal outcomes in some *** information about interstitial lung disease(ILD)in the sJIA is scarce and limited to a total of 100 *** To describe the features of sJIA patients with ILD in *** In the present retrospective cohort study,information about 5 patients less than 18-years-old with sJIA and ILD were *** diagnosis of sJIA was made according to the current 2004 and new provisional International League of Associations for Rheumatology criteria *** was diagnosed with chest computed tomography with the exclusion of other possible reasons for concurrent lung *** activation syndrome(mas)was diagnosed with HLH-2004 and 2016 eULAR/ACR/PRINTO Classification Criteria and hScores were calculated during the lung *** The onset age of sJIA ranged from 1 year to 10 *** time interval before ILD ranged from 1 mo to 3 *** disease course was characterized by the prevalence of the systemic features above articular involvement,intensive rash(100%),persistent and very active mas(hScore range:194-220)with transaminitis(100%),and respiratory symptoms(100%).Only 3 patients(60%)developed a clubbing *** patients(100%)had pleural effusion and 4 patients(80%)had pericardial effusion at the disease *** patients(40%)developed pulmonary arterial ***-related reactions to tocilizumab were observed in 3(60%)of the *** patient with trisomy 21 had a fatal disease *** of the remaining patients had sJIA remission and 2 patients had *** disease improved in 3 patients(75%),but 1 of them had initial deterioration of lung *** patient who has not achieved the sJIA remission had the progressed course of *** cases of hyper-eosinophilia were *** patients(80%)received

关键词： Systemic juvenile arthritis Interstitial lung disease Canakinumab Tocilizumab Interleukin-6 Interleukin-1

A novel method for geometric quality assurance of rock joint replicas in direct shear testing-Part 2:Validation and mechanical replicability

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Journal of Rock Mechanics and Geotechnical engineering 2023年第9期15卷 2209-2223页

作者： J.Larsson F.Johansson D.mas Ivars e.Johnson M.Flansbjer N.W.Portal Division of Material and Production Department of Chemistry and Applied MechanicsResearch Institutes of Sweden(RISE)Brinellgatan 4Borås50115Sweden Division of Soil and Rock Mechanics Department of Civil and Architectural EngineeringRoyal Institute of Technology(KTH)Brinellvägen 23Stockholm10044Sweden Swedish Nuclear Fuel and Waste Management Co.(SKB) SolnaSweden

each rock joint is unique by nature which means that utilization of replicas in direct shear tests is required in experimental parameter ***,a method to acquire knowledge about the ability of the replicas to imitate the shear mechanical behavior of the rock joint and their dispersion in direct shear testing is *** this study,a novel method is presented for geometric quality assurance of *** aim is to facilitate generation of high-quality direct shear testing data as a prerequisite for reliable subsequent analyses of the *** Part 1 of this study,two quality assurance parameters,smf and V_(Hp100),are derived and their usefulness for evaluation of geometric deviations,*** reproducibility,is *** Part 2,the parameters are validated by showing a correlation between the parameters and the shear mechanical behavior,which qualifies the parameters for usage in the quality assurance *** results from direct shear tests presenting comparisons between replicas and the rock joint show that replicas fulfilling proposed threshold values of σ_(mf)e a narrow dispersion and imitate the shear mechanical behavior of the rock joint in all aspects apart from having a slightly lower peak shear *** wear in these replicas,which have similar morphology as the rock joint,is in the same areas as in the rock *** wear is slightly larger in the rock joint and therefore the discrepancy in peak shear strength derives from differences in material properties,possibly from differences in *** is shown by application of the suggested method that the quality assured replicas manufactured following the process employed in this study phenomenologically capture the shear strength characteristics,which makes them useful in parameter studies.

关键词： Three-dimensional(3D)scanning Contact area measurements Direct shear testing Geometric quality assurance Mechanical replicability Replicas Rock joint

Holographic Duals of Quark Gluon Plasmas with Unquenched Flavors

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Communications in Theoretical Physics 2012年第3期57卷 364-386页

作者： Francesco Bigazzi Aldo Cotrone Javier mas Daniel Mayerson Javier Tarrio Dipartimento di Fisica e Astronomia Universita' di Firenze Via G.Sansone 1 I-50019 Sesto Fiorentino (Firenze)Italyand INFNSezione di PisaLargo B.Pontecorvo356127 PisaItaly Dipartimento di Fisica Universita' di Torino and INFN Sezione di Torino Via P.Giuria 1 I-10125 TorinoItaly Departamento de F' sica de Part' culas Universidade de Santiago de Compostela and Instituto Galego de F' sica de Altas Enerx' as (IGFAE) e-15782 Santiago de CompostelaSpain Institute for Theoretical Physics University of AmsterdamScience Park 904Postbus 944851090 GL AmsterdamThe Netherlands Institute for Theoretical Physics Universiteit Utrecht3584 CEUtrechtThe Netherlands

We review the construction of gravitational solutions holographically dual to N=1 quiver gauge theories with dynamical flavor *** focus on the D3-D7 construction and consider the finite temperature,finite quark chemical potential case where there is a charged black hole in the dual *** physical outputs of the model include its thermodynamics (with susceptibilities) and general hydrodynamic properties.

关键词： AdS/CFT correspondence quark-gluon plasma flavor physics finite baryon density

Scientific geodata infrastructures: challenges, approaches and directions

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International Journal of Digital earth 2014年第7期7卷 613-633页

作者： Lars Bernard Stephan mas Matthias Muller Christin Henzen Johannes Brauner Department of Geosciences Faculty of Environmental SciencesTechnische Universitat DresdenDresdenGermany

Based on various experiences in developing Geodata Infrastructures(GDIs)for scientific applications,this article proposes the concept of a Scientific GDI that can be used by scientists in environmental and earth sciences to share and disseminate their research results and related analysis *** GDI is understood as an approach to tackle the science case in Digital earth and to further enhance e-science for environmental *** Scientific GDI to support the research community in efficiently exchanging data and methods related to the various scientific disciplines forming the basis of environmental studies poses numerous challenges on today’s GDI *** paper summarizes requirements and recommendations on the publication of scientific geospatial data and on functionalities to be provided in Scientific *** practices and open issues for governance and policies of a Scientific GDI are discussed and are concluded by deriving a research agenda for the next decade.

关键词： scientific geodata infrastructure sharing environmental models geospatial cyberinfrastructure e-science spatial data infrastructure

Plant-herbivore assemblages under natural conditions are driven by plant size,not chemical defenses

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Journal of Plant ecology 2017年第6期10卷 1012-1021页

作者： eva Castells Maria Morante Sandra Saura-mas Anabel Blasco-Moreno Departament de Farmacologia Terapèutica i ToxicologiaUniversitat Autònoma de BarcelonaCerdanyola del Vallès 08193Spain CReAF Cerdanyola del Vallès 08193Spain Department de Biologia Animal Vegetal i EcologiaUniversitat Autònoma de BarcelonaCerdanyola del Vallès 08193Spain Servei d’estadística Aplicada Universitat Autònoma de BarcelonaCerdanyola del Vallès 08193Spain

Aims Plant secondary metabolites have been traditionally recognized as key traits regulating plant-herbivore ***,the ecological relevance of secondary metabolites as resistance mecha-nisms in comparison to other plant attributes,including physical,morphological or ecological traits,has been recently *** aim to evaluate the role of chemical defenses,plant size and the presence of insect competitors on driving the differences in her-bivory damage under natural *** We performed a replicated field study on the herbivore commu-nity associated with four Senecio species(***,***,*** and ***)during a full-reproductive season in Montseny Natural Park(catalonia,Ne Spain).Pyrrolizidine alka-loids(PAs),the most characteristic chemical defenses of Senecio due to their toxic effects on herbivores,were analyzed by gas *** plant size was estimated by the number of flower heads produced over the entire reproductive *** used linear mixed models to explore the relationships between total PA concentrations,plant size and herbivory *** Findings PA concentrations were not related to the natural guild of herbivores within any plant species or insect ***,no significant interactions were found between insect species sharing the same host *** contrast,herbivore abundance was positively related to plant size in ***,*** and *** found no evidence that PAs confer an increased plant resistance against herbivores in *** study supports the hypothesis that plant chemical defenses have a secondary role in determining plant-her-bivore assemblages in comparison to other plant traits under the complexity of natural conditions.

关键词： Senecio herbivory chemical defenses pyrrolizidine alkaloids plant traits

Nanovesicles Are Secreted during Pollen Germination and Pollen Tube Growth： A Possible Role in Fertilization

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Molecular Plant 2014年第3期7卷 573-577页

作者： Noela Prado Juan de Dios Alche Juan Casado-Vela Salvador mas Mayte Villalba Rosalia Rodriguez eva Batanero Departamento de Bioquimica y Biologia Molecular Facultad de Qu[mica Universidad Complutense de Madrid 28040 Madrid Spain Departamento de Bioquimica Biologia Celular y Molecular de Plantas Estacion Experimental de1Zaidin (CSIC) E-18080 Granada Spain Spanish National Research Council (CSIC) Spanish National Centre for Biotechnoiogy (CNB) Darwin 3 Cantoblanco 28049 Madrid Spain

Dear editor, During recent decades, a novel mechanism of secretion has been identified in a wide range of mammalian cells. It involves the release of bioactive membrane nanovesicles （30-100 nm）, termed exosomes, upon the fusion of multivesicular bodies with the plasma membrane （Thery et al., 2009）. exosomes are implicated in diverse functions, such as scavenging of archaic proteins, intercellular messengers delivering cell-specific signals, and vehicles for transmissible pathogens. exosomes have also been described in other organisms such as bacte- ria, Drosophila, and fungi.

关键词： OLIVe POLLeN ARABIDOPSIS eXPReSSION PROTeINS ALLeRGeN PeCTIN

调控铝在ITH沸石骨架中的位置以用于催化甲醇制烯烃

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Chinese Journal of Catalysis 2024年第1期56卷 114-121页

作者：范凯吴勤明刘烁孔海宇王森 eduard Kunkes Trees De Baerdemaeker Andrei-Nicolae Parvulescu Nils Bottke Toshiyuki Yokoi Dirk e.De Vos 孟祥举张维萍肖丰收浙江省应用化学重点实验室浙江大学化学系中国浙江杭州310028 浙江大学化学与生物工程学院中国浙江杭州310028 大连理工大学精细化工国家重点实验室中国辽宁大连116012 中国科学院山西煤炭化学研究所煤转化国家重点实验室中国山西太原030001 巴斯夫股份有限公司德国东京工业大学资源化学研究所日本鲁汶大学表面化学与催化中心比利时

随着低碳烯烃需求量的增加,甲醇制烯烃(MTO)成为由非石油资源制取低碳烯烃的关键技术,其中沸石由于具有可调节的酸度、有序的微孔结构和较好的择型性能而被广泛用作MTO反应催化剂.ITQ-13沸石(ITH拓扑结构)由于其独特的九元环结构在MTO... 详细信息

随着低碳烯烃需求量的增加,甲醇制烯烃(MTO)成为由非石油资源制取低碳烯烃的关键技术,其中沸石由于具有可调节的酸度、有序的微孔结构和较好的择型性能而被广泛用作MTO反应催化剂.ITQ-13沸石(ITH拓扑结构)由于其独特的九元环结构在MTO反应中表现出较好的丙烯选择性和反应寿命,引起了广泛关注.研究表明,分子筛的酸中心分布与MTO反应性能密切相关,因此,研究ITQ-13沸石中铝分布与MTO反应性能的关系,对进一步提升其MTO催化性能具有重要意义.本文分别以与ITH具有共同基本结构单元(双四元环,D4Rs)的LTA沸石(LTA-ITH)和薄水铝石(C-ITH)为铝源,合成了两类铝硅酸盐ITH沸石.X射线衍射、扫描电子显微镜以及氮气吸脱附表征结果表明,这两类分子筛具有相似的片状形貌和微孔性质.氨气程序升温脱附结果表明,具有相近硅铝比的两类ITH沸石具有相近的酸量.进一步采用27Al魔角旋转核磁共振(mas NMR)、密度泛函理论计算和1-己烯裂解反应对两类ITH分子筛的铝分布进行研究.结果表明,两类分子筛具有不同的铝分布,LTA-ITH中有更多的铝进入ITH的正弦孔道与直孔道,而C-ITH中有更多的铝分布在交叉孔道.当前,研究者普遍认为MTO反应过程遵循双循环烃池机理,ITH交叉孔道由于具有较大的空间,相比于正弦孔道和直孔道,更有利于芳烃循环中间体的产生,从而有利于形成芳烃循环产物(乙烯),而正弦孔道和直孔道却更有利于烯烃循环过程,导致产生更多的丙烯.对两类ITH进行了MTO催化性能测试,结果表明,LTA-ITH比C-ITH表现出更高的丙烯选择性,并且表现出更高的丙烯与乙烯的比率,表明其烯烃循环过程得到加强,这与^(27)Al mas NMR以及1-己烯裂解反应得到的结论一致,进一步证明ITH分子筛的铝分布得到有效调控.综上,本文阐明了ITH沸石中铝分布与其反应性能的关系,为调整沸石骨架中的Al位点提供一种新策略,为未来制备高效的MTO沸石基催化剂提供参考.

关键词：骨架铝分布硅铝ITH分子筛甲醇制烯烃铝核磁