Evaluación de la calidad del agua superficial de una cuenca urbana de la provincia de Buenos Aires

La calidad del agua superficial es función de las características intrínsecas de los recursos hídricos y su entorno así como de las actividades u ocupación efectiva del territorio que se desarrolla en las cuencas. Su diagnóstico es una estrategia relevante en la planificación y ordenamiento de los usos del suelo y en el establecimiento de medidas estructurales y no estructurales de gestión que tengan como objetivo minimizar el estado de degradación ambiental y mejorar la calidad de vida de la población asociada, en especial en las cuencas de carácter predominantemente urbano. En este marco, los índices de calidad del agua (ICAs), son herramientas de síntesis y de gestión útiles para conocer el estado del recurso, analizar la evolución o tendencias espacio-temporales, eficiencia de programas en ejecución y comunicar de una manera sencilla y de fácil interpretación los resultados obtenidos, entre otros. Los ICAs reducen en su construcción la información correspondiente a una gran cantidad de parámetros físicos, químicos y microbiológicos a un solo valor numérico resultante de la agregación de determinados parámetros seleccionados en base a su representatividad respecto de la calidad del recurso hídrico evaluado. En este trabajo se analizan los valores de calidad del agua superficial registrados en dos períodos de estudio: años 2010 y 2015, en la cuenca del arroyo Conchitas-Plátanos, partidos de Florencio Varela y Berazategui, provincia de Buenos Aires, con el objeto de analizar la evolución espacio - temporal de la calidad del agua superficial, asociar los resultados obtenidos con los usos reales del suelo y proporcionar información útil para facilitar una correcta gestión de los usos del suelo en el marco de la gestión integrada de cuencas.Sección: Hidráulica.Facultad de Ingenierí

Surface water quality of urban basin in the province of Buenos Aires

En este trabajo se analiza la evolución espacio-temporal de la calidad del agua del curso principal de la cuenca del arroyo Conchitas-Plátanos, NE provincia Buenos Aires, y se asocian los resultados obtenidos con los usos reales del territorio. Se seleccionaron parámetros fisicoquímicos y microbiológicos representativos de actividades dominantes, en cinco estaciones de muestreo y en dos períodos (2010 y 2015). Los parámetros se analizaron entre sí y mediante la aplicación del índice de calidad del agua de la National Sanitation Foundation (INSF). Se observa marcada vinculación entre usos del suelo dominantes y calidad del agua superficial. En ambos períodos se registra deterioro significativo de la calidad del agua a partir de cuenca media (mayor industrialización y urbanización). El INSF para ambos años registra valores regular a malo, con tendencia a incremento de valores para 2015 y de disminución de calidad desde cuenca superior a media-inferior.This paper analyzes temporal and spacial evolution of the surface water quality of main course of Conchitas Platanos´s basin, NE Buenos Aires. The results are associated with actual land uses. Physical, chemical and microbiological parameters were selected to represent dominant activities. Five sampling stations and two periods (2010 and 2015) were analyzed. The parameters were analyzed each other and calculated the National Sanitation Foundation water quality index (INSF). It is noted the relationship between dominant land uses and the surface water quality. Both periods register a significant deterioration of the water quality from the middle basin (industrialization and urbanization zone). The INSF register fair to poor values for both years, with increasing trend values for 2015 and decreasing of quality from upstream to downstream.Trabajo publicado en Ulberich, Ana; Cisneros Basualdo, Nicolás; Miranda del Fresno, María Carolina (eds.). I Jornadas Internacionales de Ambiente y III Jornadas Nacionales de Ambiente 2016. Libro de resúmenes extendidos. Universidad Nacional del Centro de la provincia de Buenos Aires, 2016.Facultad de Ingenierí

Surface water quality of urban basin in the province of Buenos Aires

En este trabajo se analiza la evolución espacio-temporal de la calidad del agua del curso principal de la cuenca del arroyo Conchitas-Plátanos, NE provincia Buenos Aires, y se asocian los resultados obtenidos con los usos reales del territorio. Se seleccionaron parámetros fisicoquímicos y microbiológicos representativos de actividades dominantes, en cinco estaciones de muestreo y en dos períodos (2010 y 2015). Los parámetros se analizaron entre sí y mediante la aplicación del índice de calidad del agua de la National Sanitation Foundation (INSF). Se observa marcada vinculación entre usos del suelo dominantes y calidad del agua superficial. En ambos períodos se registra deterioro significativo de la calidad del agua a partir de cuenca media (mayor industrialización y urbanización). El INSF para ambos años registra valores regular a malo, con tendencia a incremento de valores para 2015 y de disminución de calidad desde cuenca superior a media-inferior.This paper analyzes temporal and spacial evolution of the surface water quality of main course of Conchitas Platanos´s basin, NE Buenos Aires. The results are associated with actual land uses. Physical, chemical and microbiological parameters were selected to represent dominant activities. Five sampling stations and two periods (2010 and 2015) were analyzed. The parameters were analyzed each other and calculated the National Sanitation Foundation water quality index (INSF). It is noted the relationship between dominant land uses and the surface water quality. Both periods register a significant deterioration of the water quality from the middle basin (industrialization and urbanization zone). The INSF register fair to poor values for both years, with increasing trend values for 2015 and decreasing of quality from upstream to downstream.Trabajo publicado en Ulberich, Ana; Cisneros Basualdo, Nicolás; Miranda del Fresno, María Carolina (eds.). I Jornadas Internacionales de Ambiente y III Jornadas Nacionales de Ambiente 2016. Libro de resúmenes extendidos. Universidad Nacional del Centro de la provincia de Buenos Aires, 2016.Facultad de Ingenierí

PREPARO QUÍMICO MECÂNICO DOS CONDUTOS RADICULARES: ANÁLISE COMPARATIVA DA FORMAÇÃO DO DESVIO APICAL “ZIP” EM CANAIS CUR- VOS PRODUZIDO “IN VITRO” POR TÉCNICAS DE INSTRUMENTAÇÃO.

Os autores descrevem a instrumentação com instrumentos de níquel - titânio (Pow-R) acionados amotor e instrumentação manual com limas de aço inoxidável. As técnicas foram realizadas emblocos de resina transparente e comparadas entre si em diversas fases, sendo discutidas as suasvantagens e desvantagens. A análise dos resultados permite verificar maior incidência de desvioapical para a técnica de preparo manual (limas de aço inoxidável) do que para o sistema de rotação contínua Pow – R.Palavras chave: Instrumentos endodonticos; Desvio apical; Tratamento dos condutos radiculares; Preparo docanal

Projeto vetor: uma inovação de sucesso no ensino da engenharia / Vector project: a successful innovation in engineering teaching

 O presente trabalho visa descrever a experiência da gestão do Centro Acadêmico sobre o Projeto Vetor, aplicado à disciplina Introdução a Engenharia Civil na Universidade Federal de São João Del Rei, campus Alto Paraopeba, durante o período letivo de 2016/1 a 2016/2. O Projeto Vetor, iniciativa embasada nas necessidades do ensino de Engenharia no Brasil, desenvolve e incentiva a produção de pesquisa através de atividades acadêmicas e práticas que estimulem a busca por conhecimento, aumentando o interesse e o desempenho dos alunos ingressantes do curso

Cohort profile: the 100 million Brazilian cohort

The creation of The 100 Million Brazilian Cohort was motivated by the availability of high quality but dispersed social and health databases in Brazil and the need to integrate data and evaluate the impact of policies aiming to improve the social determinants of health (e.g. social protection policies) on health outcomes, overall and in subgroups of interest in a dynamic cohort. • The baseline of The 100 Million Brazilian Cohort comprises 131 697 800 low-income individuals in 35 358 415 families from 2011 to 2018. The Cohort population is mostly composed of children and young adults, with a higher proportion of females than the general Brazilian population, who identify themselves as Brown and live in the urban area of the country. • Exposure to social protection and the follow-up of individuals are obtained through: (i) deterministic linkage using the Social Identification Number (NIS) to link the Cohort baseline to social protection programmes and to periodically renewed socioeconomic information in Cadatro U ́ nico datasets; and/or (ii) non-deterministic linkage using the CIDACS-RL non-deterministic linkage tool, to link the Cohort baseline to administrative health care datasets such as mortality (Mortality Information System, SIM), disease notification (Information System for Notifiable Diseases, SINAN), birth information (Live Birth Information System, SINASC) and nutrition status (Food and Nutrition Surveillance System, SISVAN). • So far, studies have used The 100 Million Brazilian Cohort to investigate the socioeconomic and demographic determinants of leprosy, leprosy treatment outcomes and low birthweight and to evaluate the impact of the Bolsa Familia Programme (BFP) on leprosy and child mortality. Other studies are now being conducted that are of utmost relevance to the health inequalities of Brazil and many low- and middle-income countries, and many research opportunities are being opened up with the linkage of a range of health outcomes

Stress biology:Complexity and multifariousness in health and disease

Preserving and regulating cellular homeostasis in the light of changing environmental conditions or developmental processes is of pivotal importance for single cellular and multicellular organisms alike. To counteract an imbalance in cellular homeostasis transcriptional programs evolved, called the heat shock response, unfolded protein response, and integrated stress response, that act cell-autonomously in most cells but in multicellular organisms are subjected to cell-nonautonomous regulation. These transcriptional programs downregulate the expression of most genes but increase the expression of heat shock genes, including genes encoding molecular chaperones and proteases, proteins involved in the repair of stress-induced damage to macromolecules and cellular structures. Sixty-one years after the discovery of the heat shock response by Ferruccio Ritossa, many aspects of stress biology are still enigmatic. Recent progress in the understanding of stress responses and molecular chaperones was reported at the 12th International Symposium on Heat Shock Proteins in Biology, Medicine and the Environment in the Old Town Alexandria, VA, USA from 28th to 31st of October 2023.</p

A diverse view of science to catalyse change

Valuing diversity leads to scientific excellence, the progress of science and, most importantly, it is simply the right thing to do. We must value diversity not only in words, but also in actions

Genomics and epidemiology for gastric adenocarcinomas (GE4GAC): a Brazilian initiative to study gastric cancer

Abstract Gastric cancer (GC) is the fifth most common type of cancer worldwide with high incidences in Asia, Central, and South American countries. This patchy distribution means that GC studies are neglected by large research centers from developed countries. The need for further understanding of this complex disease, including the local importance of epidemiological factors and the rich ancestral admixture found in Brazil, stimulated the implementation of the GE4GAC project. GE4GAC aims to embrace epidemiological, clinical, molecular and microbiological data from Brazilian controls and patients with malignant and pre-malignant gastric disease. In this letter, we summarize the main goals of the project, including subject and sample accrual and current findings