نتایج جستجو برای: in particular mercury
تعداد نتایج: 16994155 فیلتر نتایج به سال:
Considerable attention has been devoted to contaminants (mainly PCBs and mercury) in subsistence foods (particularly fish) from various parts of the world. However, relatively little attention has been devoted to examining mercury levels in a full range of subsistence foods from a particular region. While managers and scientists compute risk based on site-specific data on contaminant levels and...
Introduction: Mercury, in different form can induce adverse effects on various organs especially central nervous system. The aim of this study was to determine concentration of mercury in inhalation and urine of the exposed worker and to investigate the prevalence of probable neurobehavioral disorders. Material and Method: The present case-control study was conducted among workers of a un...
Backgrounds and Objectives:There have been always concerns regarding to consumption of aquatic products, particularly fish, due to the possibility of heavy metals bioaccumulation in aquatic creatures organs, throughout the world.Aresearch project was carried out to assess the level of concentrated total mercury in different tissues of Silver carp as the most consumed fish from Sanandaj Ghesglag...
background: mercury (hg) is a major environmental contaminant due to its global ubiquity, tendency to bioaccumulate, and toxicity in wildlife. mercury accumulation in wetlands threatens critical breeding and foraging habitats of many fish and wildlife species. in this study, mercury concentrations were detected in different tissues of pike. methods: to achieve these purposes, 58 pikes (esox luc...
The United Nations Environmental Program Governing Council has regulated mercury as a global pollutant since 2001 and has been preparing the mercury convention, which will have a strongly binding force through Global Mercury Assessment, Global Mercury Partnership Activities, and establishment of the Open-Ended Working Group on Mercury. The European Union maintains an inclusive strategy on risks...
in this study mercury was determined in canned tuna fish produced and distributed in iran after digestion by the standard methods of aoac. mercury contents in fish and canned tuna fish were determined by cold vapor atomic absorption spectrophotometry. the metal contents expressed in mg/kg wet weight for mercury varied from 0.017 to 0.394 (average of 0. 089) and 0.023 to 0.529 (average of 0.146)...
heavy metals entrance to fish body tissues and transferring to human body systems after their consuming makes numerous undesirable effects and health problems. the aim of this study was to determine some heavy metals (lead, cadmium and mercury) in fresh fishes marketed in khorramabad city, west of iran. in this descriptive study, five samples of 17 fish species with high consumption were purcha...
Background & objectives: Heavy metals enter water sources in many ways and cause hazards such as poisoning and carcinogenesis in the living organisms. This study aimed to investigate the concentration of heavy metals (arsenic, mercury, and cadmium) in the Yamchi Reservoir Dam and Ardabil drinking water distribution network in high and low rainfall seasons in 2018. Methods: In this cross-sectio...
OBJECTIVES Establishing mercury and lead prevalence in a sample of people living in Bogotá, potential effects on their health and the relationship with areas of environmental exposure. METHODS This was a cross-sectional study involving a randomly and proportionally distributed sample of 401 people living in Bogotá, according to locality and their high, medium and low risk environmental exposu...
Mercury is a very toxic element that is widely spread in the atmosphere, lithosphere, and surface water. Concentrated mercury poses serious problems to human health, as bioaccumulation of mercury within the brain and kidneys ultimately leads to neurological diseases. To control mercury pollution and reduce mercury damage to human health, sensitive determination of mercury is important. This art...
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