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Search Results: 1 - 10 of 602079 matches for " Inés; Jesús Guillén Pérez "
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Mercury in Canned Tuna in Spain. Is Light Tuna Really Light?  [PDF]
Montserrat González-Estecha, María José Martínez-García, Manuel Fuentes-Ferrer, Andrés Bodas-Pinedo, Alfonso Calle-Pascual, José María Ordó?ez-Iriarte, Cristina Fernández-Pérez, Nieves Martell-Claros, Miguel ángel Rubio-Herrera, Emilia Gómez-Hoyos, José Jesús Guillén-Pérez
Food and Nutrition Sciences (FNS) , 2013, DOI: 10.4236/fns.2013.47A007
Abstract:

In Spain, certain population-based studies have shown high blood mercury (Hg) levels due to the high consumption of fish. Some studies have stated that one of the most consumed fish in Spain is canned tuna. Different Spanish organisms consider that it is safe to consume canned tuna as it supposedly has a low mercury content, particularly in so-called light tuna. However, in Spain light tuna is mainly yellowfin and bigeye tuna, while in other countries it is mainly skipjack tuna. This study analyzed 36 cans of the most popular brands in Spain and examined the influence of the type of tuna, packaging medium (olive oil, sunflower seed oil, water or marinade), different brands, prices and expiration dates. Mercury concentrations (mg/kg) were measured by atomic absorption spectrometry and thermal decomposition amalgamation. The medians observed were (mg/kg): light tuna: 0.314; IQR: 0.205 - 0.594, white tuna: 0.338; IQR: 0.276 - 0.558, skipjack: 0.311; IQR: 0.299 - 0.322, frigate tuna: 0.219; IQR 0.182 - 0.257 and mackerel: 0.042; IQR 0.029 - 0.074. We found statistically significant differences between white tuna, light tuna and mackerel (p = 0.004); light tuna and mackerel (p = 0.002) and white tuna and mackerel (p = 0.006). However, we found no differences between white tuna and light tuna, or among packaging medium, brands, prices or expiration dates. The limit of 0.500 mg/kg of mercury in canned tuna was exceeded by the following percentages of the cans: 33.3% of light tuna, 16.7% of white tuna, and 0% of Skipjack, frigate tuna and mackerel. The mercury content of the cans of Spanish light tuna that were analyzed was variable and high. The results of this study indicate that stricter regulation of Hg in canned tuna is necessary. Until then, it is safer to recommend that vulnerable populations such as children and pregnant women consume canned mackerel, which has a markedly lower mercury content.

Efectos a corto plazo de la contaminación atmosférica sobre la mortalidad: resultados del proyecto EMECAM en Cartagena, 1992-96
Guillén Pérez José Jesús,Cirera Suárez Lluís,García-Marcos álvarez Luis,Jiménez Torres Enrique
Revista Espa?ola de Salud Pública , 1999,
Abstract: FUNDAMENTO: Los problemas de contaminación atmosférica se han venido percibiendo en la ciudad de Cartagena desde la década de los setenta, con episodios puntuales de altos niveles de SO2 y partículas. Nos proponemos evaluar, utilizando la metodología del proyecto EMECAM, los efectos agudos de la contaminación atmosférica por SO2 y partículas sobre la mortalidad diaria en la ciudad de Cartagena de 1992 a 1996. MéTODOS: se relacionan las defunciones diarias por todas las causas excepto las externas, en población general y en la de 70 y más a os, por causas cardiovasculares y por causas respiratorias, con la contaminación atmosférica por dióxido de azufre y partículas, en el período1992-1996, utilizando modelos de Poisson autorregresiva que controlan por estacionalidad, meteorología, calendario, gripe, eventos especiales y retardos. RESULTADOS: En el periodo en estudio se ha producido una disminución de la contaminación por SO2, con respecto a a os anteriores, lo que no ha sido evidente para la contaminación por partículas. Los análisis muestran asociaciones significativas en las defunciones totales sin accidentes en mayores de 69 a os y el valor promedio de partículas, estas son las defunciones cardiovasculares del mes de mayo a octubre. En el semestre frío, encontramos asociación estadísticamente significativa positiva en el valor máximo horario diario de las partículas y las muertes por enfermedades cardiocirculatorias y respiratorias. Sin embargo no hay consistencia en las asociaciones al evaluar la fiabilidad de los modelos.
Efectos a corto plazo de la contaminación atmosférica sobre la mortalidad: resultados del proyecto EMECAM en Cartagena, 1992-96
Guillén Pérez,José Jesús; Cirera Suárez,Lluís; García-Marcos álvarez,Luis; Jiménez Torres,Enrique; Barber Vallès,Xavier; Martínez García,María José; Moreno Grau,Stella;
Revista Espa?ola de Salud Pública , 1999, DOI: 10.1590/S1135-57271999000200011
Abstract: purpose: the problems of air pollution became noticeable in cartagena in the seventies, high so2 and particle levels having been reached from time to time. our aim is to assess, using the emecam methodology, the acute impact of so2 and particle air pollution on the daily mortality of the city of cartagena in the 1992-1996 period. methods: a daily listing is provided of the total number of non-accidental deaths within the population as a whole and for those over age 70, the cardiovascular and the respiratory deaths due to the sulfur dioxide and particle air pollution for the 1992-1996 period using autoregressive poisson models which control seasonality, weather, time of year, flu, special events, and time lags. results: in the period under study, there has been a drop in the so2 air pollution as compared to previous years, which was not as marked for the particles. the analyses reveal significant relationships in the total non-accidental deaths in those over age 69, with the average particle count and those particles with cardiovascular deaths for the months of may to october. in the six-month period of the year when the weather is cold, we found a positive statistically significant relationship to exist in the maximum daily hourly value of the particles and the deaths due to cardiocirculatory and respiratory diseases. however, there is no consistency in the between on assessing the reliability of the models.
El proyecto EMECAM: estudio multicéntrico espa?ol sobre la relación entre la contaminación atmosférica y la mortalidad. Antecedentes, participantes, objetivos y métodología
Ballester Díez,Ferran; Sáez Zafra,Marc; Alonso Fustel,Ma Eva; Taracido Trunk,Margarita; Ordó?ez Iriarte,José Ma; Aguinaga Ontoso,Inés; Daponte Codina,Antonio; Bellido Blasco,Juan; Guillén Pérez,José Jesús; Pérez Boíllos,Ma José; Ca?ada Martínez,álvaro; Arribas Monzón,Federico; Pérez-Hoyos,Santiago;
Revista Espa?ola de Salud Pública , 1999, DOI: 10.1590/S1135-57271999000200006
Abstract: in recent years, a growing number of studies suggests that increases in pollution levels may have short-term impact on human health, even at pollution levels similar to or lower than those which have been considered to be safe to date. the different methodological approaches and the varying analysis techniques employed have made it difficult to make a direct comparison among all of the findings, preventing any clear conclusions from being drawn. this has led to multicenter projects such as the aphea (short-term impact of air pollution on health. a european approach) within a european scope. the emecam project falls within the context of the aforesaid multicenter studies and has a wide-ranging projection nationwide within spain. fourteen (14) cities throughout spain were included in this project (barcelona, metropolitan area of bilbao, cartagena, castellón, gijón, huelva, madrid, pamplona, seville, oviedo, valencia, vigo, vitoria and saragossa) representing different sociodemographic, climate and environmental situations, adding up to a total of nearly nine million inhabitants. the objective of the emecam project is that to asses the short-term impact of air pollution throughout all of the participating cities on the mortality for all causes, on the population and on individuals over age 70, for respiratory and cardiovascular causes. for this purpose, with an ecological design, the time series data is analyzed taking the deaths rate, pollutants, temperature data and other factors taken from records kept by public institutions as a unit. the period of time throughout which this study was conducted, although not exactly the same for all of the cities involved, runs in all cases from 1990 to 1996. the degree of relationship measured by means of an autoregressive poisson regression. in the future, the results of each city will be combined by means of a meta-analysis.
El proyecto EMECAM: discusión de los resultados en las ciudades participantes
Ballester Díez,Ferran; Sáez Zafra,Marc; Pérez-Hoyos,Santiago; Daponte Codina,Antonio; Bellido Blasco,Juan; Ca?ada Martínez,álvaro; Abad Díez,José Ma; Pérez Boíllos,Ma José; Alonso Fustel,Ma Eva; Taracido Trunk,Margarita; Aguinaga Ontoso,Inés; Jesús Guillén Pérez,José; Ordó?ez Iriarte,José Ma; Saurina Canals,Carme; Tenías Burillo,José Ma;
Revista Espa?ola de Salud Pública , 1999, DOI: 10.1590/S1135-57271999000200021
Abstract: this article draws a comparison and provides a discussion of the findings resulting from the local analyses of the 14 cities participating in the emecam project. an analysis is made of the time series related to mortality, pollutants (particles in suspension, so2, no2, o3 and co), temperature and other factors taken from records of public institutions. by using poisson autoregressive regression, an estimate has been made of the short-term relationship between the number of deaths and the air pollution indicators in each one of the following cities: barcelona, metropolitan area of bilbao, cartagena, castellón, gijón, huelva, madrid, pamplona, seville, oviedo, valencia, vigo, vitoria and saragossa. the findings reveal the air pollution figures in our country to be similar to those of other european cities. the levels of the different pollutants point toward road traffic as being the main source of most of this pollution. a relationship has been found between the mortality and different pollutants in most cities, although the results are not homogeneous among the cities and show variability in the different causes under study. in some cities, especially in those having smaller populations, there have been no findings providing any evidence of a relationship, or the findings themseves are not highly consistent. the meta-analysis will provide estimates for all of the cities as a whole and will allow the possibility of making a more clear-cut assessment of the time lag impact of air pollution on the mortality. worthy of special mention is the participation in this project of public health officiers as actively-involved researchers.
El proyecto Emecas: protocolo del estudio multicéntrico en Espa?a de los efectos a corto plazo de la contaminación atmosférica sobre la salud
Ballester,Ferrán; Saez,Marc; Daponte,Antonio; Ordó?ez,Jose María; Taracido,Margarita; Cambra,Koldo; Arribas,Federico; Bellido,Juan B; Guillén,Jesús J; Aguinaga,Inés; Ca?ada,álvaro; López,Elena; I?iguez,Carmen; Rodríguez,Paz; Pérez-Hoyos,Santiago; Barceló,Maria Antonia; Oca?a,Ricardo; Aránguez,Emiliano; ,;
Revista Espa?ola de Salud Pública , 2005, DOI: 10.1590/S1135-57272005000200010
Abstract: the emecam project demonstrated the short-term effect of air pollution on the death rate in 14 cities in spain throughout the 1990-1995 period. the spanish multicentre study on health effects of air pollution (emecas) is broadening these objectives by incorporating more recent data, information on hospital disease admissions and totaling 16 spanish cities. this is an ecological time series study in which the response variables are the daily deaths and the emergency hospitalizations due to circulatory system diseases and respiratory diseases among the residents in each city. pollutants analyses: suspended particles, so2, no2, co and o3. control variables: meteorological, calendar, seasonality and influenza trend and incidence. statistical analysis: estimate of the association in each city by means of the construction of generalized additive poisson regression models and metanalysis for obtaining combined estimators. the emecas project began with the creation of three working groups (exposure, epidemiology and analysis methodology) which defined the protocol. the average levels of pollutants were below those established under the current regulations for sulfur dioxide, carbon monoxide and ozone. the no2 and pm10 values were around those established under the regulations (40 mg/m3). this is the first study of the relationship between air pollution and disease rate among one group of spanish cities. the pollution levels studied are moderate for some pollutants, although for others, especially no2 and particles, these levels could entail a problem with regard to complying with the regulations in force.
Common bean (Phaseolus vulgaris L.) PvTIFY orchestrates global changes in transcript profile response to jasmonate and phosphorus deficiency
Rosaura Aparicio-Fabre, Gabriel Guillén, Montserrat Loredo, Jesús Arellano, Oswaldo Valdés-López, Mario Ramírez, Luis P í?iguez, Dario Panzeri, Bianca Castiglioni, Paola Cremonesi, Francesco Strozzi, Alessandra Stella, Lourdes Girard, Francesca Sparvoli, Georgina Hernández
BMC Plant Biology , 2013, DOI: 10.1186/1471-2229-13-26
Abstract: Nineteen genes from the PvTIFY gene family were identified through whole-genome sequence analysis. Most of these were induced upon methyl-JA elicitation. We selected PvTIFY10C as a representative JA-responsive PvTIFY gene for further functional analysis. Transcriptome analysis via microarray hybridization using the newly designed Bean Custom Array 90 K was performed on transgenic roots of composite plants with modulated (RNAi-silencing or over-expression) PvTIFY10C gene expression. Data were interpreted using Gene Ontology and MapMan adapted to common bean. Microarray differential gene expression data were validated by real-time qRT-PCR expression analysis. Comparative global gene expression analysis revealed opposite regulatory changes in processes such as RNA and protein regulation, stress responses and metabolism in PvTIFY10C silenced vs. over-expressing roots. These data point to transcript reprogramming (mainly repression) orchestrated by PvTIFY10C. In addition, we found that several PvTIFY genes, as well as genes from the JA biosynthetic pathway, responded to P-deficiency. Relevant P-responsive genes that participate in carbon metabolic pathways, cell wall synthesis, lipid metabolism, transport, DNA, RNA and protein regulation, and signaling were oppositely-regulated in control vs. PvTIFY10C-silenced roots of composite plants under P-stress. These data indicate that PvTIFY10C regulates, directly or indirectly, the expression of some P-responsive genes; this process could be mediated by JA-signaling.Our work contributes to the functional characterization of PvTIFY transcriptional regulators in common bean, an agronomically important legume. Members from the large PvTIFY gene family are important global transcriptional regulators that could participate as repressors in the JA signaling pathway. In addition, we propose that the JA-signaling pathway involving PvTIFY genes might play a role in regulating the plant response/adaptation to P-starvation.
El sí de las ni as o la consumación de un sue o
Pérez-Magallón, Jesús
Arbor : Ciencia, Pensamiento y Cultura , 2004,
Abstract: En este artículo se presenta El sí de las ni as -y los elementos más relevantes que la componen- como la culminación de todo un proyecto programático cuya formulación puede remontarse a Cervantes y prolongarse a lo largo de los siglos XVII y XVIII, La aspiración a escribir un teatro que tuviese como modelo las realizaciones más brillantes de la antigüedad, presente en tantos autores desde el siglo XVI y trasladado a los escritores neoclásicos, presenta una fuerza generadora muy particular en el caso de Nicolás Fernández de Moratín y en su prolongación natural, su hijo Leandro.…
The Baroque: the intellectual and geopolitical reasons for a historiographical erasure
Jesús Pérez-Magallón
Les Dossiers du Grihl , 2012, DOI: 10.4000/dossiersgrihl.5197
Abstract: “The Baroque: the intellectual and geopolitical reasons for a historiographical erasure” highlights the need for a new way of conceptualizing the Baroque, taking into account the period’s plurality of discourses and diverging tendencies, specifically in respect to the modernity project conceived by the dominant European nations of the Enlightenment. As opposed to Antonio Maravall’s univocal paradigm of a guided culture of the masses, the Baroque was a much more multivocal period of time containing various emerging and subaltern discourses which greatly contributed to the rationalist and scientific thought of the Enlightenment. Despite this fact, the Baroque and the Enlightenment came to be seen as antithetical. Consequently, the Baroque and the Iberian Peninsula were erased from the grand narrative of European and Western modernity. Emphasizing its uncivilized character, Northern European nations metaphorically displaced the Spanish Empire to the periphery of modern Europe. Using propagandistic means to cast the Iberians to the margins, the nations belonging to the modernity project painted themselves as the “natural” heirs of the Enlightenment, consolidating their political hegemony. The process of writing the grand narrative of modernity involved appropriating several key criteria from the Baroque and consequently erasing their original place of belonging. Keeping this manipulation of history in mind permits a double reading of the course leading to modernity. My paper calls for a new way of interpreting this period of time which emerged at the end of the sixteenth century and continued until the Cádiz Cortes and the independence of the American colonies. This alternate hermeneutic would entail a coming together of the Baroque and the Enlightenment; a dynamic, complex, and conflicting process establishing a modernity which would continue into the modernity of today.
La política ambiental en México: Gestión e instrumentos económicos
Jesús Pérez Calderón
El Cotidiano , 2010,
Abstract: Es responsabilidad del Estado llevar a cabo políticas que procuren un desarrollo sustentable, y para esto requerirá utilizar herramientas (como los instrumentos económicos) que incidan en las decisiones de los ciudadanos para lograr que el comportamiento económico de hogares, empresas y gobiernos considere al medio ambiente como una variable trascendente.
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