نتایج جستجو برای: elimination of toxic mercury ion

تعداد نتایج: 21197212  

2004

Mercury is a highly potent cell toxin with effects on human and animal nervous systems. Mercury vapour released from dental amalgam is the predominant source of mercury in the human adult and foetal central nervous system in populations of developed countries. Only in small populations with high consumption of methyl mercury containing fish can the contribution from fish consumption reach or su...

Journal: :Archivos argentinos de pediatria 2004
Marisa Gaioli Diego Amoedo Daniel González

Mercury (Hg) is currently considered a global pollutant. Mercury is a significant environmental toxin and has a huge impact on human health, causing irreversible damage to the central nervous system, especially in the most vulnerable stages of life. Medical centers contribute to 4-5% of the total mercury present in drainage waters. Practices should be introduced to reduce mercury use with the a...

2016
Shailender Kumar Chirashree Ghosh

Journal: :iranian journal of radiation research 0
m. paknahad oral and dental disease research center, department of oral and maxillofacial radiology, school of dentistry, shiraz university of medical sciences, shiraz, iran a. dehghani biomaterial research center, department of oral and maxillofacial pathology, school of dentistry, shiraz university of medical sciences, shiraz, iran s. jarideh ionizing and non-ionizing radiation protection research centre (inirprc), shiraz university of medical sciences, shiraz, iran m. haghani ionizing and non-ionizing radiation protection research centre (inirprc), shiraz university of medical sciences, shiraz, iran h. mozdarani department of medical genetics , school of medical sciences, tarbiat modares university, tehran, iran g. mortazavi dentist, shiraz university of medical sciences, shiraz, iran

background: although it is one of the most toxic nonradioactive elements, mercury is widely used in dental amalgam. mercury is a toxic element which can damage various organs such as central nervous system, renal, respiratory and hematologic systems. the adverse health impacts associated to exposure to some common sources of electromagnetic fields including laptop computers, mobile phones, mri ...

Journal: :Ambio 2007
Edward B Swain Paul M Jakus Glenn Rice Frank Lupi Peter A Maxson Jozef M Pacyna Alan Penn Samuel J Spiegel Marcello M Veiga

In the past, human activities often resulted in mercury releases to the biosphere with little consideration of undesirable consequences for the health of humans and wildlife. This paper outlines the pathways through which humans and wildlife are exposed to mercury. Fish consumption is the major route of exposure to methylmercury. Humans can also receive toxic doses of mercury through inhalation...

Journal: :iranian journal of toxicology 0
جابر اعظمی jaber aazami department of environment, faculty of natural resources and marine science, tarbiat modares university, noor, iran عباس اسماعیلی ساری abbas esmaili-sari department of environment, faculty of natural resources and marine science, tarbiat modares university, noor, iran سید محمود قاسم پوری seyed mahmoud ghasempouri department of environment, faculty of natural resources and marine science, tarbiat modares university, noor, iran نادر بهرامی فر nader bahramifar department of environment, faculty of natural resources and marine science, tarbiat modares university, noor, iran

background: present study was carried out in north of iran to investigate the concentration of mercury (hg) as one of the most toxic metals in tissues of two species of birds. methods: in this study, 15 birds from coot (fulica atra) and 18 birds from cormorant (phalacrocorax carbo) were hunted in anzali and gomishan wetlands. data-analyses carried out using spss software version 17 licenced by ...

2014
Caroline S. Martinez João Guilherme D. Torres Franck M. Peçanha Janete A. Anselmo-Franci Dalton V. Vassallo Mercedes Salaices María J. Alonso Giulia A. Wiggers

Mercury is a toxic and bio-accumulative heavy metal of global concern. While good deals of research have been conducted on the toxic effects of mercury, little is known about the mechanisms involved in the pathogenesis of male reproductive dysfunction induced by mercury. Therefore, the purpose of this study was to assess the effects and underlying mechanisms of chronic mercury exposure at low l...

2016
Aunica L. Kane Basem Al-Shayeb Patrick V. Holec Srijay Rajan Nicholas E. Le Mieux Stephen C. Heinsch Sona Psarska Kelly G. Aukema Casim A. Sarkar Edward A. Nater Jeffrey A. Gralnick Patrick C. Cirino

Mercury is a highly toxic heavy metal and the ability of the neurotoxin methylmercury to biomagnify in the food chain is a serious concern for both public and environmental health globally. Because thousands of tons of mercury are released into the environment each year, remediation strategies are urgently needed and prompted this study. To facilitate remediation of both organic and inorganic f...

Journal: :BUNSEKI KAGAKU 1976

Journal: :Archives of disease in childhood 1977
D G Fagan J S Pritchard T W Clarkson M R Greenwood

Samples of fresh and fixed tissues from infants with exomphalos treated by thiomersal application were analysed for mercury content. The results showed that thiomersal can induce blood and organ levels of organic mercury which are well in excess of the minimum toxic level in adults and fetuses. The analysis of fresh and fixed tissues must be carefully controlled against normal tissues in order ...

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