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Joining of Individual Silver Nanowires via Electrical Current

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Nano-Micro Letters 2014年第4期6卷 293-300页

作者： Arash Vafaei Anming Hu irene A.Goldthorpe Department of Electrical and Computer Engineering University of Waterloo Department of Mechanical and Mechatronics Engineering University of Waterloo Department of Mechanical Aerospace and Biomedical Engineering University of Tennessee Knoxville

A procedure for joining polyol-synthesized silver nanowires in air using current-induced Joule heat welding is reported. Using a common probe station and photolithographically patterned gold electrodes, the welding process is completed using a common semiconductor analyzer. A unique two-step procedure eliminates the dielectric barrier at the point of contact without damaging the nanowires away from the junction. This procedure is designed for metal–metal contacts where a strong dielectric intermediate layer might exist, which can occur with metals prone to oxidation or corrosion in air, or as a result of the electrode deposition process. Ohmic connections are also established in cases where there is an initial gap between two nanowires.

关键词： Nanowires Nanowelding Joule heating

A Complete Diophantine Characterization of the Rational Torsion of an Elliptic Curve

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Acta Mathematica Sinica,English Series 2012年第1期28卷 83-96页

作者： irene GARCíA-SELFA Jos M.TORNERO Departamento de Matemáticas Universidad de HuelvaFacultad de Ciencias ExperimentalesCampus de El CarmenAvenida de las Fuerzas Armadass/n21071 HuelvaSpain Departamento de ' Algebra Universidad de SevillaP.O.116041080 SevillaSpain

We give a complete characterization for the rational torsion of an elliptic curve in terms of the （non-）existence of integral solutions of a system of diophantine equations.

关键词： Elliptic curves diophantine equations

Retreived bacteria from Noctiluca miliaris (green) bloom of the northeastern Arabian Sea

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Chinese Journal of Oceanology and Limnology 2013年第1期31卷 10-20页

作者： BASU Subhajit MATONDKAR SG Prabhu FURTADO irene Department of Microbiology Goa University National Institute of Oceanography (CSIR-India)

In recent years, seasonal blooms of the dinoflagellate Noctiluca miliaris have appeared in the open-waters of the northern Arabian Sea （NAS）. This study provides the first characterization of bacteria from a seasonal bloom of green Noctiluca ofNAS （20°N-17°N and 64°E-70°E）, during the spring-inter-monsoon cruise ofSagar Sampada 253, in March 2007. Bacterial growth as assessed by most-probable number （MPN） and plate counts, revealed ＇variable-physiotypes＇ over a wide range of salinities （0%-25% w/v NaC1）, pH levels （5-8.5）, and organic nutrient strengths, in comparison to non-bloom waters. MPN indices of bacteria in surface waters of bloom stations ＊DWK and ＊PRB, corresponded to （3.08-4.41）×103 cells/mL at 3.5% NaC1 （w/v）, and （2.82-9.49）× 102 cells/mL at 25% （w/v） NaC1 in tryptone-yeast extract broth （TYE）. Plate counts were （1.12-4） × 106 CFU/mL at 0% （w/v） NaC1, （1.28-3.9） × 106 CFU/mL at 3.5% （w/v） NaC1, and （0.4- 7）×104 CFU/mL at 25% NaC1 （w/v） on TYE. One-tenth-strength Zobell＇s gave （0.6-3.74）× 105 CFU/mL at pH 5 to （3.58-7.5）× 105 CFU/mL at pH 8.5. These bacteria were identified to the genera Bacillus, Cellulomonas, Staphylococcus, Planococcus, Dietzia, Diergibacillus, Micrococcus, Sporosarcinae, Leucobacter, and Halomonas. The identity of three strains （GUFBSS253N2, GUFBSS253N30, and GUFBSS253N84） was confirmed through 16S rDNA sequence homology as Bacillus cohnii, Bacillusflexus, and Bacillus cereus. The -2-3-fold higher plate counts of culturable bacteria from the open-waters of the NAS indicate that these bacteria could critically determine the biogeochemical dynamics of the bloom and its milieu. The role of these bacteria in sustaining/terminating the bloom is under evaluation.

关键词： northeastern Arabian Sea (NAS) green Noctiluca bloom retrievable bacteria

SHOCK AND BOUNDARY STRUCTURE FORMATION BY SPECTRAL-LAGRANGIAN METHODS FOR THE INHOMOGENEOUS BOLTZMANN TRANSPORT EQUATION

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Journal of Computational Mathematics 2010年第4期28卷 430-460页

作者： irene M.Gamba Sri Harsha Tharkabhushanam Department of Mathematics & Institute of Computational Engineering and Sciences University of Texas Austin Institute of Computational Engineering and Sciences University of Texas Austin

The numerical approximation of the Spectral-Lagrangian scheme developed by the authors in [30] for a wide range of homogeneous non-linear Boltzmann type equations is extended to the space inhomogeneous case and several shock problems are benchmark. Recognizing that the Boltzmann equation is an important tool in the analysis of formation of shock and boundary layer structures, we present the computational algorithm in Section 3.3 and perform a numerical study case in shock tube geometries well modeled in for ID in x times 3D in v in Section 4. The classic Riemann problem is numerically analyzed for Knudsen numbers close to continuum. The shock tube problem of Aoki et al [2], where the wall temperature is suddenly increased or decreased, is also studied. We consider the problem of heat transfer between two parallel plates with diffusive boundary conditions for a range of Knudsen numbers from close to continuum to a highly rarefied state. Finally, the classical infinite shock tube problem that generates a non-moving shock wave is studied. The point worth noting in this example is that the flow in the final case turns from a supersonic flow to a subsonic flow across the shock.

关键词： Spectral Numerical Methods Lagrangian optimization FFT Boltzmann Trans- port Equation Conservative and non-conservative rarefied gas flows.

The movement dynamics of autotomized lizards and their tails reveal functional costs of caudal autotomy

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Integrative Zoology 2020年第6期15卷 511-521页

作者： irene FERNÁNDEZ-RODRÍGUEZ Florentino BRAÑA Department of Organisms and Systems Biology(Zoology) University of OviedoOviedoSpain Research Unit of Biodiversity(UMIB UO/CSIC/PA)University of OviedoMieresSpain

Autotomy has evolved independently several times in different animal *** frequently involves immediate functional costs,so regeneration evolved in many instances to restore the functionality of that body *** autotomy is a widespread antipredator strategy in lizards,although it may affect energy storage,locomotion dynamics,or survival in future encounters with ***,we assessed the effect of tail loss on the locomotor performance of wall lizards(Podarcis muralis),as well as the recovery of locomotor functionality of lizards with regenerated tails,and the movement dynamics of shed tails that were either intact or having regenerated *** loss had no effect on locomotion over unhindered spaces,possibly due to compensation between a negative effect on the stride of front limbs,and a positive effect of losing mass and friction *** found a clear negative impact of tail loss on locomotion in spaces with interspersed obstacles,in which tailed lizards jumped larger distances when leaving the ***,lizards that used the tail to push off the ground were able to approach the obstacles from further,so that the tail seemed to be useful when used during *** fully restores lizard’s locomotor capacities,but tail antipredator value,as indicated by the intensity of post-autotomic movements,is only partially *** these results,we propose that,together with the recovery of post-autotomy antipredator capacities,the restoration of the organismal locomotor performance may have been an important,yet frequently neglected factor in the evolution of lizard’s regeneration ability.

关键词： autotomy locomotor performance regeneration tail wall lizard

DELIAN ACCOUNTABILITY AND THE COST OF WRITING MATERIALS

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Journal of Ancient Civilizations 2021年第2期36卷 173-200,299,300页

作者： irene Berti PH Heidelberg

The article explores some practical aspects of record-keeping in the Delian accounts,focusing on the different materials used as writing media,particularly on the relation between records on perishable materials and accounts written on *** financial administration of the Delian sanctuary was particularly productive in respect of official *** the accounts inscribed on stone were meant to present a summative balance-sheet of all financial transactions carried out by the sanctuary during the year,papyrus and wooden tablets were used for monthly records and for the different parts of the financial *** the information offered by the inscriptions with regard to writing materials and their costs,the article seeks to reconstruct what the different kinds of records looked like,comparing them with the realia known from contemporary archeological contexts,and asks how they were acquired and produced,and whether there was a development over the course of *** to the scholarly tendency to downplay the importance of wooden tablets,the article argues that they were frequently used by the public administration since they were cheap,easily available,and could be used to record accounts and contracts to be kept in the archive,as well as for documents to be temporary exposed to the ***,the role of papyrus in the administrative writing was initially relatively limited.

关键词： tablets writing initially

Development of a PCR-based method to monitor arthropod dispersal in agroecosystems:Macrolophus pygmaeus(Hemiptera:Miridae)from banker plants to tomato crops

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Insect Science 2020年第5期27卷 1125-1134页

作者： Nuria Agusti Cristina Castane irene Fraile Oscar Alomar IRTA(Institute of Agrifood Research and Technology) CabrilsBarcelonaSpain

Development of conservation biological control programs requires the identifi-cation of sources that contribute to predator colonization of *** pygmaeus(Rambur)(Hemiptera:Miridae)is an efficient polyphagous predator used in biological con-trol programs in vegetable crops in *** have developed a marking method based on spraying with a solution of the brine shrimp Artemia spp.(Anostraca:Artemidac)cysts,followed by a PCR detection of Artemia DNA to monitor *** dispersal from banker plants to tomato *** conducted in climatic chambers show that the topical application of this marking solution on *** does not significantly reduce adult longevity and that it is detected up to 6 d after the *** this Artemia solution was applied on Calendula officinalis *** plants harboring *** and maintained outdoors,Artemia DNA was still detected on 62%of the insects after6 *** conducted field applications in commercial greenhouses have confirmed the usefulness of this method to monitor *** dispersal from banker plants to a newly planted tomato *** method can be used to assess arthropod movement,being an interesting molecular approach for further improving future pest management strategies.

关键词： Artemia arthropod dispersal Calendula officinalis Macrolophus pygmaeus PCR analysis tomato crop

Refining Linked Data with Games with a Purpose

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Data Intelligence 2020年第3期2卷 417-442页

作者： irene Celino Gloria Re Calegari Andrea Fiano Cefriel Milano 20126Italy

With the rise of linked data and knowledge graphs,the need becomes compelling to find suitable solutions to increase the coverage and correctness of data sets,to add missing knowledge and to identify and remove *** approaches-mostly relying on machine learning and natural language processing techniques-have been proposed to address this refinement goal;they usually need a partial gold standard,i.e.,some“ground truth”to train automatic *** standards are manually constructed,either by involving domain experts or by adopting crowdsourcing and human computation *** this paper,we present an open source software framework to build Games with a Purpose for linked data refinement,i.e.,Web applications to crowdsource partial ground truth,by motivating user participation through fun *** detail the impact of this new resource by explaining the specific data linking“purposes”supported by the framework(creation,ranking and validation of links)and by defining the respective crowdsourcing tasks to achieve those *** also introduce our approach for incremental truth inference over the contributions provided by players of Games with a Purpose(also abbreviated as GWAP):we motivate the need for such a method with the specificity of GWAP *** crowdsourcing;we explain and formalize the proposed process,explain its positive consequences and illustrate the results of an experimental comparison with state-of-the-art *** show this resource’s versatility,we describe a set of diverse applications that we built on top of it;to demonstrate its reusability and extensibility potential,we provide references to detailed documentation,including an entire tutorial which in a few hours guides new adopters to customize and adapt the framework to a new use case.

关键词： Human computation Games with a purpose Linked data Knowledge graph Data refinement Data linking Truth inference

Home range variability,spatial aggregation,and excursions of Akodon azarae and Oligoryzomys flavescens in Pampean agroecosystems

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Integrative Zoology 2020年第5期15卷 401-415页

作者： irene GOROSITO Ailén BENÍTEZ Maria BUSCH Laboratorio de Ecología de PoblacionesFacultad de Ciencias Exactas y NaturalesUniversidad de Buenos Airesand Instituto de EcologíaGenética y Evolución de Buenos AiresConsejo Nacional de Investigaciones Científicas y TécnicasBuenos AiresArgentina Laboratorio de Ecología de Poblaciones Facultad de Ciencias Exactas y NaturalesUniversidad de Buenos AiresBuenos AiresArgentina Laboratorio de Ecología de Poblaciones Facultad de Ciencias Exactas y NaturalesUniversidad de Buenos Airesand Instituto de EcologíaGenética y Evolución de Buenos AiresConsejo Nacional de Investigaciones Científicas y TécnicasBuenos AiresArgentina

Rodents are reservoirs of various types of hantavirus,some of which are agents of hantavirus pulmonary syndrome in *** hantavirus is associated with a single rodent host species but successive spill-over events may eventually lead to host-switching and new species’becoming host of a given *** study aims to gain an understanding of the spatial ecology of two hantavirus-host species,Akodon azarae,and Oligoryzomys flavescens,by identifying factors modulating their home range sizes and stability,and by evaluating intra-and interspecific spatial aggregation for these species and a third one—Oxymycterus rufus—living in *** this,eleven capture-mark-recapture surveys were carried out,spanning 22 *** found that *** males have larger and more mobile home ranges than females,independently of the ***,males could likely have a more relevant role in the transmission of hantavirus because of their greater exposure both to a higher number of contacts between individuals and viral contamination of the ***,*** individuals showed negligible displacements of their home range through time,which could limit the range of hantavirus spread in host *** *** is host to Lechiguanas hantavirus(pathogenic to humans)this result encompasses epidemiological relevance,for it may imply the existence of local foci of ***,individuals of both species performed excursions outside their home *** events could enable hantavirus spread over distances beyond the normal range of movements and lead to new hantavirus outbreaks in formerly non-infected rodent populations,favoring the persistence of the virus in nature.

关键词： hantavirus home range intra-and interspecific contact rodent spatial ecology