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[hal-03789747] OHM Estarreja : an experience of scientific activity in a sensitive environmental context
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[hal-02926382] Deposição atmosférica de poeiras e níveis de elementos traço numa cidade industrial no litoral centro de Portugal
O presente estudo pretendeu (i) identificar padrões geoquímicos espaciais e temporais na deposição atmosférica, e (ii) avaliar potenciais contribuições de fontes locais e alóctones para a composição química das poeiras atmosféricas no concelho de Estarreja. Dois coletores foram colocados em áreas exteriores de duas escolas localizadas poucos quilómetros a sul da zona industrial. A recolha das amostras foi realizada mensalmente, de maio a agosto de 2018. As frações solúvel e insolúvel da deposição atmosférica foram analisadas por ICP-MS para determinar as concentrações quase-totais dos elementos químicos. Os resultados mostram a ocorrência de dois eventos distintos de maior fluxo de deposição atmosférica: (i) um em maio, caracterizado pela deposição de elementos traço em formas solúveis, detetado em ambas as escolas e (ii) um segundo em agosto, caracterizado pela deposição de elementos maiores em formas insolúveis, detetado apenas na escola mais distante do complexo industrial. No geral, os resultados indicam uma deposição[…]
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[hal-01761544] Potentially harmful elements in house dust from Estarreja, Portugal: characterization and genotoxicity of the bioaccessible fraction
Due to their behavioral characteristics, young children are vulnerable to the ingestion of indoor dust, often contaminated with chemicals that are potentially harmful. Exposure to potentially harmful elements (PHEs) is currently exacerbated by their widespread use in several industrial, agricultural, domestic and technological applications. PHEs cause adverse health effects on immune and nervous systems and can lead to cancer development via genotoxic mechanisms. The present study is an integrated approach that aims at assessing the genotoxicity of bioaccessible PHEs following ingestion of contaminated house dust. A multidisciplinary methodology associating chemical characterization of five house dust samples, extraction of the bioaccessible PHEs in gastric extracts by the unified BARGE method, determination of the bioaccessible fraction and in vitro genotoxicity of gastric extracts in adenocarcinoma gastric human (AGS) cells was developed. The five gastric extracts induced dose-dependent genotoxicity in AGS cells. Copper (bioaccessible concentration up to 111 mg/kg) was probably the prevalent[…]
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[hal-01824451] Assessing human exposure to potentially harmful elements through dust ingestion in the Bassin Minier de Provence, France
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[hal-01787754] Human oral bioaccessibility of Zn, As and Pb in street dusts of Estarreja, Portugal
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[hal-01787756] Environmental pollution and human health: exploring adverse pregnancy outcomes and food and water consumption in Estarreja municipality, Portugal
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[hal-01787753] Risk perception of a population living near a chemical complex in Estarreja, Portugal
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[hal-01787755] Tree leaves used as indicators of dispersion of particulate atmospheric pollution.
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[hal-01787727] Influence of mean sea level rise on Ria de Aveiro littoral: adaptation strategies for flooding events and shoreline retreat
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[hal-01787713] O desenvolvimento da agricultura e da indústria de Estarreja (Portugal) e a sua relação com o meio ambiente: informação documental e visão de agente.
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[hal-01787728] A águia-sapeira (Circus aeruginosus) no Baixo Vouga Lagunar: dieta, uso e seleção de habitat
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[hal-01787743] Factors affecting the seasonal and spatial patterns of vertebrate diversity and activity in different habitats of the humanized landscape of BioRia.
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[hal-01787732] Fatores que afetam os padrões sazonais e espaciais de diversidade e atividade de vertebrados em diferentes habitats da paisagem humanizada do Baixo Vouga Lagunar
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[hal-01787740] Mineralogy, solid-phase distribution and human oral bioaccessibility of Pb in outdoor dusts of Estarreja, Portugal.
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[hal-01787734] El aguilucho lagunero, un cazador certero. Potencial de las egagrópilas de rapaces diurnas para el estudio de micromamíferos.
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[hal-01761554] Fingernail Trace Element Content in Environmentally Exposed Individuals and Its Influence on Their Cognitive Status in Ageing
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[hal-01761483] Human predisposition to cognitive impairment and its relation with environmental exposure to potentially toxic elements
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[hal-01433594] Fine atmospheric particles emitted by industrial, traffic and urban sources in France : characterization and genotoxicity.
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[hal-01424680] Assessment of the influence of traffic-related particles in urban dust using sequential selective extraction and oral bioaccessibility tests.
Urban dust is a heterogeneous mix, where traffic-related particles can combine with soil mineral compounds, forming a unique and site-specific material. These traffic-related particles are usually enriched in potentially harmful elements, enhancing the health risk for population by inhalation or ingestion. Urban dust samples from Estarreja city and traffic-related particles (brake dust and white traffic paint) were studied to understand the relative contribution of the traffic particles in the geochemical behaviour of urban dust and to evaluate the long-term impacts of the metals on an urban environment, as well as the risk to the populations. It was possible to distinguish two groups of urban dust samples according to Cu behaviour: (1) one group with low amounts of fine particles (< 38 A mu m), low contents of organic material, high percentage of Cu in soluble phases, and low Cu bioaccessible fraction (Bf) values. This group showed similar chemical behaviour with[…]
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[hal-01424679] Investigating relationships between biomarkers of exposure and environmental copper and manganese levels in house dusts from a Portuguese industrial city
This study reports on data obtained from a pilot survey focusing on house dust and toenail metal(loids) concentrations in residents living in the industrial city of Estarreja. The study design hereby described aims at investigating relationships between human toenails and both copper and manganese levels in settled house dusts. A total of 21 households and 30 individuals were recruited for the pilot study: 19 households corresponding to 27 residents living near the industrial complex, forming the exposed group, plus 2 households and 3 residents from residential areas with no anticipated environmental contaminants that were used for comparison. Factorial analysis was used for source identification purposes. Investigation on the potential influence of environmental factors over copper and manganese levels in the toenails was carried out via questionnaire data and multiple correspondence analysis. The results show that copper concentrations are more elevated in the indoor dusts, while manganese concentrations are more elevated[…]
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Collection link : https://hal.archives-ouvertes.fr/OHMI-ESTERREJA
