Guatemala: políticas con impacto sobre el sector industrial

Incluye Bibliografía

Costa Rica: Sistema Nacional de Innovación

Incluye Bibliografía

La comparabilidad de las estadísticas territoriales en América Latina

Este documento analiza hasta qué punto las estadísticas a nivel subnacional sobre el desarrollo son comparables entre países. Se revisa en detalle las características de las cuentas nacionales y de las encuestas de hogares en países que publican datos del PIB y de la pobreza por territorio o región. Se concluye que hay pocos datos realmente comparables. Una de las principales limitaciones es la estructura político-administrativa, que es disímil entre países. A pesar de las limitaciones, el documento ofrece un panorama y una tipología de dinámicas territoriales de desarrollo.

Estrategias y políticas nacionales para la cohesión territorial: estudios de caso latinoamericanos

La cohesión territorial o la convergencia entre territorios al interior de cada país con respecto a los niveles de desarrollo económico y social es un objetivo prioritario en la agenda de políticas públicas de todos los países. Este documento reseña los marcos institucionales y legales así como estrategias, planes, proyectos e instrumentos de políticas nacionales para propiciar un patrón de desarrollo con mayor cohesión territorial. Se observa un alto grado de idiosincrasia en los enfoques y el poco consenso sobre el marco teórico que sustenta la intervención pública.

Revista de la CEPAL no.67

Primer Mundo y Tercer Mundo después de la Guerra Fría / Eric Hobsbawm. -- Las dimensiones urbanas en el desarrollo rural / Alexander Schejtman. -- Capacitación en pequeñas empresas en América Latina / Guillermo Labarca. -- Reforma neoliberal y política macroeconómica en el Perú / Oscar Dancourt. -- Impacto de la inversión pública sobre la inversión privada en Brasil: 1947-1990 / Bruno de Oliveira Cruz y Joanílio R. Teixeira. -- Chile y su política comercial “lateral” / Sebastián Sáez y Juan Gabriel Valdés S. -- La reestructuración en la industria: los casos de Chile, México y Venezuela / Carla Macario. -- Industrialización a base de confecciones en la Cuenca del Caribe: ¿un tejido raído? / Michael Mortimore. -- Industria maquiladora y cambio técnico / Rudolf M. Buitelaar, Ramón Padilla y Ruth Urrutia. -- Políticas de ciencia y tecnología y el Sistema Nacional de Innovación en la Argentina / Daniel Chudnovsky. -- Las concesiones y la optimización del transporte vial y ferroviario / Ian Thomson.

Claudia: um retrato de mulher via léxico

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

A magnetically drivable nanovehicle for curcumin with antioxidant capacity and MRI relaxation properties

Curcumin possesses wide-ranging anti-inflammatory and anti-cancer properties and its biological activity can be linked to its potent antioxidant capacity. Superparamagnetic maghemite (gamma-Fe2O3), called surface-active maghemite nanoparticles (SAMNs) were surface-modified with curcumin molecules, due to the presence of under-coordinated Fe-III atoms on the nanoparticle surface. The so-obtained curcumin-modified SAMNs (SAMN@curcumin) had a mean size of 13 +/- 4 nm. SAMN@curcumin was characterized by transmission and scanning electron microscopy, UV/Vis, FTIR, and Mossbauer spectroscopy, X-ray powder diffraction, bulk susceptibility (SQUID), and relaxometry measurements (MRI imaging). The high negative contrast proclivity of SAMN@curcumin to act as potential contrast agent in MRI screenings was also tested. Moreover, the redox properties of bound curcumin were probed by electrochemistry. SAMN@curcumin was studied in the presence of different electroactive molecules, namely hydroquinone, NADH and ferrocyanide, to assess its redox behavior. Finally, SAMN@curcumin was electrochemically probed in the presence of hydrogen peroxide, demonstrating the stability and reactivity of bound curcumin.

Rhamnolipids Production by a Pseudomonas eruginosa LBI Mutant: Solutions and Homologs Characterization

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

A dança como expressão do imaginário

This article summarizes the findings obtained in ethnographic research conducted in 2009, which led to the dissertation entitled The weaving of movement: dance, tribalism and imaginary in everyday life of a group of students at a public school in Araraquara city defended the Universidade Estadual Paulista - Faculdade de Ciências e Letras de Araraquara, São Paulo. The objective of the survey was to collect clues to a method of movement analysis with reference to the Anthropology of the Imaginary Gilbert Durand and studies of efforts (effort shape) in Rudolf Laban. For this, we identified the main break dance moves practiced by a group of teens who attend school on weekends. The inventory movements in this dance led to a rhythmic and gestural thinking beyond the rationalization of bodily education.

A educação infantil sob a perspectiva da pedagogia Waldorf

The Waldorf pedagogy, based on anthroposophy, was designed by Rudolf Steiner in Germany. The first school was founded in 1919. The main objective of this proposal is human development. From the literature survey, this paper presents concepts and principles of Waldorf education, as well as its history, motivations and characteristics, aiming to increase the understanding of this Pedagogy and describing its foundations. The literature search was performed using books and data. While result of bases, from the study of the theo retical concepts, it was possible to describe the fundamentals, present concepts and principles, in addition to expanding the understanding of the Waldorf pedagogy. Starting from the Waldorf context, were also exposed the principle sofearly childhood education

Concepções e corporeidades docentes na educação infantil

Pós-graduação em Educação Escolar - FCLAR

Os princípios pedagógicos de Freire e Steiner e suas relações com os meios eletrônicos do cotidiano discente

Pós-graduação em Educação - IBRC

I. Development of the In Situ Reductive Ozonolysis of Alkenes with Tertiary Amine N-Oxides. II. Progress toward the Asymmetric Synthesis of Peroxyplakoric Acid A3.

Ozone, first discovered in the mid 1800’s, is a triatomic allotrope of oxygen that is a powerful oxidant. For over a century, research has been conducted into the synthetic application and mechanism of reactions of ozone with organic compounds. One of the major areas of interest has been the ozonolysis of alkenes. The production of carbonyl compounds is the most common synthetic application of ozonolysis. The generally accepted mechanism developed by Rudolf Criegee for this reaction involves the 1,3-electrocyclic addition of ozone to the π bond of the alkene to form a 1,2,3-trioxolane or primary ozonide. The primary ozonide is unstable at temperatures above -100 °C and undergoes cycloreversion to produce the carbonyl oxide and carbonyl intermediates. These intermediates then recombine in another 1,3-electrocyclic addition step to form the 1,2,4-trioxolane or final ozonide. While the final ozonide is often isolable, most synthetic applications of ozonolysis require a subsequent reductive or oxidative step to form the desired carbonyl compound. During investigations into the nucleophilic trapping of the reactive carbonyl oxide, it was discovered that when amines were used as additives, an increased amount of reaction time was required in order to consume all of the starting material. Surprisingly, significant amounts of aldehydes and a suppression of ozonide formation also occurred which led to the discovery that amine N-oxides formed by the ozonation of the amine additives in the reaction were intercepting the carbonyl oxide. From the observed production of aldehydes, our proposed mechanism for the in situ reductive ozonolysis reaction with amine N-oxides involves the nucleophilic trapping of the carbonyl oxide intermediate to produce a zwitterionic adduct that fragments into 1O2, amine and the carbonyl thereby avoiding the formation of peroxidic intermediates. With the successful total syntheses of peroxyacarnoates A and D by Dr. Chunping Xu, the asymmetric total synthesis of peroxyplakorate A3 was investigated. The peroxyplakoric acids are cyclic peroxide natural products isolated from the Plakortis species of marine sponge that have been found to exhibit activity against malaria, cancer and fungi. Even though the peroxyplakorates differ from the peroxyacarnoates in the polyunsaturated tail and the head group, the lessons learned from the syntheses of the peroxyacarnoates have proven to be valuable in the asymmetric synthesis of peroxyplakorate A3. The challenges for the asymmetric synthesis of peroxyplakorate A3 include the stereospecific formation of the 3-methoxy-1,2-dioxane core with a propionate head group and the introduction of oxidation sensitive dienyl tail in the presence of a reduction sensitive 1,2-dioxane core. It was found that the stereochemistry of two of the chiral centers could be controlled by an anti-aldol reaction of a chiral propionate followed by the stereospecific intramolecular cyclization of a hydroperoxyacetal. The regioselective ozonolysis of a 1,2-disubstituted alkene in the presence of a terminal alkyne forms the required hydroperoxyacetal as a mixture of diastereomers. Finally, the dienyl tail is introduced by a hydrometallation/iodination of the alkyne to produce a vinyl iodide followed by a palladium catalyzed coupling reaction. While the coupling reaction was unsuccessful in these attempts, it is still believed that the intramolecular cyclization to introduce the 1,2-dioxane core could prove to be a general solution to many other cyclic peroxides natural products.