La presencia de helicobacter pylori en sujetos obesos y su relación con el I.M.C.

El Helicobacter pylori afecta al 50 % de la población mundial. Esta bacteria ha sido identificada como el agente causal de la úlcera péptica y como carcinógeno tipo I, también se ha incluido en los factores clave para el desarrollo de la obesidad. La obesidad es el resultado del desequilibrio entre el gasto y el aporte de energía, que supone un exceso de grasa en el cuerpo y se encuentra asociada frecuentemente con comorbilidades. El hecho de que las hormonas gástricas que regulan la ingesta de alimentos (grelina y leptina) puedan ser modificadas tras la erradicación del Helicobacter pylori y el bypass gástrico, refuerza la importancia de estudiar cómo influye este hecho en el desarrollo de la obesidadOtroGrado en Enfermerí

A new factorial decomposition for the atkinson measure

In this article we explore an alternative factorial decomposition for Atkinson indices and taking Sala-i-Martin's (2002) article “The Disturbing ''Rise'' of Global Income Inequality†as a reference, the possibilities of Atkinson indices are shown in regard to completing and detailing information in studies of inequality among populations and populations subgroups.Atkinson Inequality Measure

Unit-Consistent Aggregative Multidimensional Inequality Measures: A Characterization

Inequality among people involves comparisons of social indicators such as income, health, education and so on. In recent years the number of studies both theoretical and empirical which take into account not only the individual’s income but also these other attributes has significantly increased. As a consequence the development of measures capable of capturing multidimensional inequality and satisfying reasonable axioms becomes a useful and important exercise.The aim of this paper is no other than this. More precisely, we consider the unit consistency axiom proposed by B. Zheng in the unidimensional framework. This axiom demands that the inequality rankings, rather than the inequality cardinal values as the traditional scale invariance principle requires, are not altered when income is measured in different monetary units. We propose a natural generalization of this axiom in the multidimensional setting and characterize the class of aggregative multidimensional inequality measures which are unit-consistent.multidimensional inequality indices, unit-consistency, aggregativity.

Promoter trapping in microalgae using the antibiotic paromomycin as selective agent

The lack of highly active endogenous promoters to drive the expression of transgenes is one of the main drawbacks to achieving efficient transformation of many microalgal species. Using the model chlorophyte Chlamydomonas reinhardtii and the paromomycin resistance APHVIII gene from Streptomyces rimosus as a marker, we have demonstrated that random insertion of the promoterless marker gene and subsequent isolation of the most robust transformants allows for the identification of novel strong promoter sequences in microalgae. Digestion of the genomic DNA with an enzyme that has a unique restriction site inside the marker gene and a high number of target sites in the genome of the microalga, followed by inverse PCR, allows for easy determination of the genomic region, which precedes the APHVIII marker gene. In most of the transformants analyzed, the marker gene is inserted in intragenic regions and its expression relies on its adequate insertion in frame with native genes. As an example, one of the new promoters identified was used to direct the expression of the APHVIII marker gene in C. reinhardtii, showing high transformation efficiencies.Junta de Andalucía (P09-CVI-5053)Junta de Andalucía (BIO-214

The Extended Atkinson Family and Changes in the Expenditure Distribution: Spain 1973/74-2003

This paper emphasizes the properties of a family of inequality measures which extends the Atkinson indices and is axiomatically characterized by a multiplicative decomposition property where the withingroup component is a generalized weighted mean with weights summing exactly to 1. This family contains canonical forms of all aggregative inequality measures, each bounded above by 1, has a useful and intuitive geometric interpretation and provides an alternative dominance criterion for ordering distributions in terms of inequality. Taking the Spanish Household Budget Surveys (HBS) for 1973/74, 1980/81, and 1990/91 and the more recent Continuous HBS for 2003, we show the advantages and possibilities of this extended family in regard to completing and detailing information in studies of inequality focussing on the tails of the distribution and on the changes in the distribution when the population is partitioned into population subgroups.inequality measurement, Atkinson indices

Generalizing the S-Gini Family: Some Properties

In the literature there are a number of generalizations of the Gini coefficient which inherit most of its appealing properties. These families allow the incorporation of different value judgments and all of them are more sensitive to transfers among the poorest individuals in society than to transfers among the richest. Consequently they fail to capture a fact with which perhaps not everybody agrees: it is always good for society to give much more additional income to the richest person than to the poorest one. The aim of this paper is to propose extensions of these generalizations of the Gini coefficient with measures which, preserving their properties, complete the information about all the inequality perceptions.Gini, Relative and Absolute Inequality Measures, Social Welfare.

Amplitude equations close to a triple-(+1) bifurcation point of D4-symmetric periodic orbits in O(2) equivariant systems

A two-dimensional thermal convection problem in a circular annulus subject to a constant inward radial gravity and heated from the inside is considered. A branch of spatio-temporal symmetric periodic orbits that are known only numerically shows a multi-critical codimension-two point with a triple +1-Floquet multiplier. The weakly nonlinear analysis of the dynamics near such point is performed by deriving a system of amplitude equations using a perturbation technique, which is an extension of the Lindstedt-Poincaré method, and solvability conditions. The results obtained using the amplitude equation are compared with those from the original system of partial differential equations showing a very good agreement

Perceived physical self-concept profiles: intention to be physically active and emotional regulation

[Abstract] The objectives of the study were to identify physical self-concept profiles and examine their role in the intention to be physically active and emotional regulation. A sample of 606 physical activity practitioners (Mage= 34.19, SD= 13.05), completed a series of self-report measures that evaluated physical selfconcept, the intention to be physically active, and emotional regulation. Cluster analyzes revealed three profiles of physical self-concept. Profile b with relatively high physical self-concept experienced significant differences in intention to be physically active, self-blame, and positive reappraisal. Profile a with low physical self-concept showed significant differences in acceptance, rumination, and catastrophizing. Profile c with a very low physical self-concept revealed significant differences in blaming others. In conclusion, profile b with relatively high physical self-concept and with optimal scores in condition, attractiveness and strength is associated with a higher intention to be physically active and the use of functional emotional regulation strategies.[Resumen] Los objetivos del estudio fueron identificar perfiles de autoconcepto físico y examinar su rol sobre la intención de ser físicamente activo y la regulación emocional. Una muestra de 606 practicantes de actividad física (Medad= 34,19; DT= 13,05) completó una serie de medidas de autoinforme que evaluaban el autoconcepto físico, la intención de ser físicamente activo y la regulación emocional. Los análisis de conglomerados revelaron tres perfiles de autoconcepto físico. El perfil b con autoconcepto físico relativamente alto experimentó diferencias significativas en la intención de ser físicamente activo, autoculpa y reevaluación positiva. El perfil a con autoconcepto físico bajo mostró diferencias significativas en aceptación, rumiación y catastrofización. El perfil c con autoconcepto físico muy bajo reveló diferencias significativas en culpar a los demás. Como conclusión, el perfil b con autoconcepto físico relativamente alto está asociado con la mayor intencionalidad de ser físicamente activo y el uso de estrategias de regulación emocional funcionales