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Search Results: 1 - 10 of 2887 matches for " Judith Luciani "
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La protección social de la ni?ez: subjetividad y posderechos en la segunda modernidad
luciani,Leandro;
Revista Latinoamericana de Ciencias Sociales, Ni?ez y Juventud , 2010,
Abstract: in this paper, i reflect on the sense of the childhood category in the second modernity. from the point of view of rights, i analyze the interplay among the supranational legal frameworks, and those existing in the argentine republic, considering the possibility of creating an integral protection system for rights. after analyzing the forms of subjectivity production which appeared with globalization, i propose the idea of the boy-individual or girl-individual as the prevailing significant representation. according to this evaluation, i conclude that the undeniable advance the establishment of the childhood rights international doctrine provoked may, and should be, considered within the framework of the new contradictions which emerged from the current social, political, economic and cultural transformations.
The Costs and Promise of Turkish Accession to the EU
Giacomo Luciani
Revista CIDOB d'Afers Internacionals , 2006,
Abstract: Currently, the EU as a whole finds itself in an economic context in which growth is not very stimulating, although the differences by country are significant, principally between the new and old Member States. From this perspective, the author offers an economic analysis of the costs, and opportunities, of Turkey’s accession to the communityfamily, both for that country and for the EU.
La protección social de la ni ez: subjetividad y posderechos en la segunda modernidad
Leandro Luciani
Revista Latinoamericana de Ciencias Sociales, Ni?ez y Juventud , 2010,
Abstract: En el trabajo reflexiono sobre el sentido de la categoría ni ez en la segunda modernidad. Desde un enfoque de derechos, analizo el interjuego entre los marcos legales supranacionales, y los existentes en la República Argentina, revisando la posibilidad de concreción de un Sistema de Protección Integral de Derechos. A partir del análisis de las formas de producción de subjetividad generadas en el marco de la globalización, postulo la noción de ni o o ni a-individuo como representación significante dominante.En función de este recorrido concluyo que el innegable avance que significó la instauración de la Doctrina Internacional de Derechos en la Ni ez puede, y debe, ser contextualizado en el marco de nuevas contradicciones emergentes en el seno de las transformaciones sociales, políticas, económicas y culturales actuales.
From granular avalanches to fluid turbulences through oozing pastes. A mesoscopic physically-based particle model
Annie Luciani
Physics , 2010,
Abstract: In this paper, we describe how we can precisely produce complex and various dynamic morphological features such as structured and chaotic features which occur in sand pilings (piles, avalanches, internal collapses, arches) , in flowing fluids (laminar flowing, Kelvin-Helmholtz and Von Karmann eddies), and in cohesive pastes (twist-and-turn oozing and packing) using only a single unified model, called "mesoscopic model". This model is a physically-based particle model whose behavior depends on only four simple, but easy to understand, physically-based parameters : elasticity, viscosity and their local areas of influence. It is fast to compute and easy to understand by non-physicist users.
The Evolutionary Dynamics of a Rapidly Mutating Virus within and between Hosts: The Case of Hepatitis C Virus
Fabio Luciani ,Samuel Alizon
PLOS Computational Biology , 2009, DOI: 10.1371/journal.pcbi.1000565
Abstract: Many pathogens associated with chronic infections evolve so rapidly that strains found late in an infection have little in common with the initial strain. This raises questions at different levels of analysis because rapid within-host evolution affects the course of an infection, but it can also affect the possibility for natural selection to act at the between-host level. We present a nested approach that incorporates within-host evolutionary dynamics of a rapidly mutating virus (hepatitis C virus) targeted by a cellular cross-reactive immune response, into an epidemiological perspective. The viral trait we follow is the replication rate of the strain initiating the infection. We find that, even for rapidly evolving viruses, the replication rate of the initial strain has a strong effect on the fitness of an infection. Moreover, infections caused by slowly replicating viruses have the highest infection fitness (i.e., lead to more secondary infections), but strains with higher replication rates tend to dominate within a host in the long-term. We also study the effect of cross-reactive immunity and viral mutation rate on infection life history traits. For instance, because of the stochastic nature of our approach, we can identify factors affecting the outcome of the infection (acute or chronic infections). Finally, we show that anti-viral treatments modify the value of the optimal initial replication rate and that the timing of the treatment administration can have public health consequences due to within-host evolution. Our results support the idea that natural selection can act on the replication rate of rapidly evolving viruses at the between-host level. It also provides a mechanistic description of within-host constraints, such as cross-reactive immunity, and shows how these constraints affect the infection fitness. This model raises questions that can be tested experimentally and underlines the necessity to consider the evolution of quantitative traits to understand the outcome and the fitness of an infection.
From networks of protein interactions to networks of functional dependencies
Davide Luciani, Gianfranco Bazzoni
BMC Systems Biology , 2012, DOI: 10.1186/1752-0509-6-44
Abstract: Reasoning that topological features (e.g., clusters of highly inter-connected proteins) might help approaching structured and non-redundant understanding of molecular function, an algorithm was developed that prioritizes inclusion of proteins into the function nodes that best overlap protein clusters. Specifically, the algorithm identifies function nodes (and their mutual relations), based on the topological analysis of a protein interaction network, which can be related to various biological domains, such as cellular components (e.g., peroxisome and cellular bud) or biological processes (e.g., cell budding) of the model organism S. cerevisiae.The method we have described allows converting a protein interaction network into a non-redundant process graph of inter-dependent function nodes. The examples we have described show that the resulting graph allows researchers to formulate testable hypotheses about dependencies among functions and the underlying mechanisms.In recent years, small- and large-scale experiments have produced a considerable wealth of information about the physical interactions of thousands of molecules. Proteins, in particular, have been reported to interact physically with other proteins, as well as with genes, transcripts and metabolites. Various types of protein-protein interactions (PPI) have been documented, ranging from PPI that bring about assembly of stable protein complexes to PPI that cause transient modifications (e.g., phosphorylation) of target proteins. Retrieving PPI from available databases enables system-level analysis of protein interactomes in various model organisms. Furthermore, suitable tools are available for representing the interactomes, including the PPI networks, which display proteins and PPI as nodes and edges, respectively [1].In addition to the interactions, also the functions of numerous proteins have been characterized broadly. Evidence about protein function can be retrieved (among other sources) from the vocabular
Considera??es sobre o conceito de "internetês" nos estudos da linguagem
Komesu, Fabiana;Tenani, Luciani;
Linguagem em (Dis)curso , 2009, DOI: 10.1590/S1518-76322009000300010
Abstract: our objective in this essay is to discuss the concept of "internetês", popularly known as the written (typed) portuguese used on the internet. based on the perspective of language studies, particularly on theories from discourse studies, we raise questions and to present hypotheses concerning this phenomenon, usually seen as a type of "phonetized" writing or as the "interference of speech on writing". from our point of view, the analysis of "internetês" can enable us to observe a possibility of language and discourse, considering heterogeneity as a constituent trace of language and of verbal human activities. based on a corpus of written utterances characterized by the use of "internetês", we attempt to demonstrate the relevance of the definitions of writing and language to conceptualize "internetês", taking into account the radical relationship between language and social life.
FRACTALIDADE E TROCA DE PERSPECTIVAS
Luciani, José Antonio Kelly;
Mana , 2001, DOI: 10.1590/S0104-93132001000200004
Abstract: this essay explores the potential of the idea of fractality along one of its properties: scaled self-similarity. the notion of fractal personhood is proposed as a way of thinking about the amerindian person. when speaking of fractal personhood what is meant is the containment of whole persons in parts of persons and the replication of relations between selves and alters at different scales (intra-personal, inter-personal and inter-group). three amerindian ethnographies (araweté, wari' and tupinamba) are compared and analysed combining propositions from melanesian exchange theory and a theory of amerindian perspectivism in order to elicit the usefulness of "fractal personhood" as an analytical tool.
Considera es sobre o conceito de “internetês” nos estudos da linguagem
Fabiana Komesu,Luciani Tenani
Linguagem em (Dis)curso , 2009,
Abstract: Nosso objetivo neste ensaio é discutir o conceito do chamado “internetês”, popularmente conhecido como o português escrito (digitado) na internet. Da perspectiva dos estudos da linguagem, em particular, de teorias provenientes dos estudos do discurso, procuramos explicitar perguntas e apresentar hipóteses acerca desse fen meno em emergência, comumente tomado como escrita “fonetizada” ou como “interferência da fala na escrita”. De nosso ponto de vista, analisar o internetês permite observar uma possibilidade da língua e do discurso, considerando-se a heterogeneidade como tra o constitutivo da linguagem e das atividades verbais humanas. Com base, pois, em um conjunto de dados composto de enunciados escritos, os quais seriam característicos do internetês, buscamos mostrar a relevancia das defini es de escrita, de língua e de linguagem para sua conceitua o, levando se em conta a rela o radical entre linguagem e vida social.
FRACTALIDADE E TROCA DE PERSPECTIVAS
Luciani José Antonio Kelly
Mana , 2001,
Abstract: Este artigo explora a idéia de fractalidade, juntamente com uma de suas principais propriedades, a auto-similaridade escalar. A no o de "personitude fractal" é proposta como um modo de pensar a pessoa ameríndia. Quando se fala aqui em personitude fractal, tem-se em mente o encerramento de pessoas em partes de pessoas e a replica o da rela o entre Eus e Outros em diferentes escalas (intrapessoal, interpessoal e intergrupal). Três casos etnográficos ameríndios (araweté, wari' e tupinambá) s o comparados e analisados, combinando-se proposi es da teoria da troca melanésia e da teoria do perspectivismo ameríndio de modo a revelar a utilidade da personitude fractal como instrumento analítico.
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