Buscar
Mostrando ítems 21-30 de 810
The use of the challenge test to analyse preservative efficiency in non-sterile cosmetic and health products: applications and critical points
(Royal Soc Chemistry, 2011-04-01)
Here we review the challenge test, which is used to evaluate the efficiency of preservatives in non-sterile cosmetic products. We describe the historical context, explain the technique and interpretation of the results ...
Microbiological safety of Minas Frescal cheese (MFC) and tracking the contamination of Escherichia coli and Staphylococcus aureus in MFC processing
(Foodborne Pathogens and Disease, 2018)
Occurrence and enumeration of Campylobacter spp. during the processing of Chilean broilers
(2009)
Background. Thermotolerant Campylobacter is among the more prevalent bacterial pathogens that cause foodborne diseases. This study aimed at evaluating the occurrence of thermotolerant Campylobacter contamination in chicken ...
Elaboração de modelo conceitual para monitoramento de riscos à contaminação da água em comunidades rurais
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Engenharia Urbana - PPGEUCâmpus São Carlos, 2020-03-13)
Some practices and activities adopted in rural communities can impair water quality consumed by owners. The Water Safety Plan (WSP) is a tool proposed by the World Health Organization (WHO) to prevent drinking water ...
Analysis of tailing pond contamination in Galicia using generalized linear spatial models
(Universidad Nacional de Colombia (Sede Medellín). Facultad de Minas., 2015-01-01)
We statistically analysed the chemical components present in waste water from mines in Galicia (NW Spain). These elements pose a risk to public health and the environment, most particularly in the event of a failure in the ...
Biofilmes epilíticos como matriz inovadora e complementar para o monitoramento de agrotóxicos no meio aquático: ênfase ao glifosato
(Universidade Federal de Santa MariaBrasilAgronomiaUFSMPrograma de Pós-Graduação em Ciência do SoloCentro de Ciências Rurais, 2022-11-28)
The increasing use of pesticides has induced great environmental concern due to the high ecological risk of aquatic contamination. Thus, microorganisms that inhabit rivers are among the first aquatic organisms to come into ...
Evaluación de los niveles y del posible origen, biogénico y antropogénico, de hidrocarburos en sedimentos marinos recolectados en la región del Golfo de Nicoya entre Punta Morales y Costa Pájaros
(Universidad Nacional (Costa Rica), 2011-06)
La sobreexplotación de los océanos y la contaminación de los ríos provocan variaciones significativas en las concentraciones de algunos compuestos presentes en el mar, que de no controlarse pueden provocar efectos nocivos ...
Contaminantes emergentes: ocorrência e distribuição espaço-temporal no rio do Monjolinho e avaliação da remoção pela estação de tratamento de esgotos de São Carlos
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Química - PPGQ, 2015-03-27)
This work aimed to investigate the occurrence of 12 emerging contaminants (pharmaceuticals, hormones and triclosan) in samples of influents and effluents, as well the removal in the sewage treatment plant (STP) of São ...
Geochemistry of heavy metals in bottom sediments from streams of the western coast of the Rio de la Plata Estuary, Argentina
(Springer, 2001-12)
The fluvial system within the southwestern coastal sector of the Río de la Plata interacts with a very large and efficient mixing basin known as the Río de la Plata estuary. The region is a densely populated and productive ...