Results: 120

The influence of Tween 80 on laccase production by Pleurotus sajor-caju and the efficiency of crude enzyme broth in the removal of bisphenol-A

Arq. Inst. Biol; 85 (), 2018
Bisphenol-A is currently considered an environmental pollutant, capable of interfering in the endocrine system of organisms and causing alterations in its development and reproductive system. An alternative method to the chemical treatment of this pollutant has been the use of oxidative enzymes, especial...

Effects of biocide exposure on P. Aeruginosa, E. coli and A. Baumannii complex isolates from hospital and household environments

Infectio; 21 (4), 2017
Background: Bacterial responses to biocide exposure and its effects on survival and persistence remain to be studied in greater detail. Aim: To analyse the viability and survival of environmental isolates from household and hospital settings after biocide exposure. Methods: The minimum inhibitory co...

Conflictos socioambientales: entre la legitimidad normativa y las legitimidades sociales. caso mina la colosa, cajamarca (tolima, colombia)

Rev. luna azul; (44), 2017
El presente artículo tiene como marco de análisis la descripción de un conflicto socioambiental, presentado en razón del proyecto minero adelantado en la mina La Colosa del municipio de Cajamarca (Tolima) en Colombia. En primer lugar, se conceptualiza sobre las diferentes posiciones teóricas del con...

Cuerpos tóxicos: la percepción del riesgo de la contaminación interna por compuestos químicos en España

Salud colect; 13 (2), 2017
RESUMEN Este artículo analiza la percepción social de la exposición humana a los compuestos químicos, y los discursos y las prácticas sobre las fronteras corporales ante la contaminación interna. A partir de una investigación cualitativa e interdisciplinar en Cataluña, se exploran los significado...

Determinación preliminar de triclosán por espectroscopia UV-Vis en aguas residuales de la ciudad de Guatemala

Cienc. tecnol. salud; 4 (1), 2017
Estimar el grado de remoción de contaminantes emergentes en el proceso de tratamiento de aguas residuales es de importancia para evaluar la efectividad de las técnicas empleadas en la actualidad. El triclosán (TCS) es un agente antimicrobiano sintético de amplio espectro, estudios recientes sugieren ...

Association between climate variables, pollutants, aerosols and hospitalizations due to asthma

Mundo Saúde (Online); 41 (3), 2017
Many studies have shown that climatic and pollutant variables are directly related to the increase of hospitalizations due to respiratory diseases, mainly asthma. The aim of this study was to estimate the association between exposure to climate variables, pollutants, aerosols and hospitalizations due to ...

Autism in 2016: the need for answers

J. pediatr. (Rio J.); 93 (2), 2017
Abstract Objective: Autism spectrum disorders are lifelong and often devastating conditions that severely affect social functioning and self-sufficiency. The etiopathogenesis is presumably multifactorial, resulting from a very complex interaction between genetic and environmental factors. The dramatic i...

Salud ambiental, vigilancia y monitoreo de la calidad de aire: Contaminante atmosférico: Monóxido de carbono

El monóxido de carbono es un gas tóxico, inodoro e incoloro que se forma por la combustión incompleta de hidrocarburos como gas o kerosene. Las fuentes pueden ser estufas, calefones, braseros, calderas y hornos en malas condiciones de mantenimiento, así como los escapes de automóviles. Las viviendas...

The effect of heavy metal contamination on the bacterial community structure at Jiaozhou Bay, China

Braz. j. microbiol; 48 (1), 2017
Abstract In this study, determination of heavy metal parameters and microbiological characterization of marine sediments obtained from two heavily polluted sites and one low-grade contaminated reference station at Jiaozhou Bay in China were carried out. The microbial communities found in the sampled mari...

Current knowledge of environmental exposure in children during the sensitive developmental periods

J. pediatr. (Rio J.); 93 (1), 2017
Abstract: Objective: This study aims to identify the scientific evidence on the risks and effects of exposure to environmental contaminants in children during sensitive developmental periods. Data source: The search was performed in the Bireme database, using the terms: children's health, environmental...