نتایج جستجو برای: mercury hygiene

تعداد نتایج: 65017  

Journal: :journal of biomedical physics and engineering 0
gh mortazavi dentist, pahlavankoshi health center, ahram health network, busher university of medical sciences, bushehr, iran m haghani ionizing and non-ionizing radiation protection research center (inirprc), shiraz university of medical sciences, shiraz, iran n rastegarian speech pathology student, student research committee, school of rehabilitation, shiraz university of medical sciences, sسازمان اصلی تایید شده: دانشگاه علوم پزشکی شیراز (shiraz university of medical sciences) s zarei speech pathology student, student research committee, school of rehabilitation, shiraz university of medical sciences, shiraz, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شیراز (shiraz university of medical sciences) smj mortazavi 2. ionizing and non-ionizing radiation protection research center (inirprc), shiraz university of medical sciences, shiraz, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شیراز (shiraz university of medical sciences)

normal 0 false false false en-us x-none ar-sa according to the world health organization (who), factors such as growing electricity demand, ever-advancing technologies and changes in social behaviour have led to steadily increasing exposure to man-made electromagnetic fields.   dental amalgam fillings are among the major sources of exposure to elemental mercury vapour in the general population....

Journal: :Canadian journal of physiology and pharmacology 1996
J S Woods

Changes in urinary porphyrin excretion patterns (porphyrin profiles) have been described in response to a variety of drugs and chemicals. The present studies were conducted to define the specific changes in the urinary porphyrin profile associated with prolonged exposure to mercury and mercury compounds. In rats, exposure for a prolonged period to mercury as methyl mercury hydroxide was associa...

2012

Mercury is a naturally occurring metal, which can exist in several forms. Metallic mercury is a shiny, silver-white, odorless liquid, which forms a colorless, odorless gas if heated. Mercury combines with other elements such as chlorine, sulfur, or oxygen to form inorganic mercury compounds or salts, which are usually white solids. Mercury also combines with carbon to make organic mercury compo...

2014
Hande SAHIN

The aim of this study was to examine family hygiene behaviors. The research data were obtained through the distribution of survey form prepared in conjunction with the “Hygiene Behavior Scale” to families living in the Ankara-Cebeci quarter and the collection of completed forms N: 900.This study is a supplemental type of research. While it was observed that participant families displayed the mo...

Journal: :Industrial health 1984
A Naganuma Y Ishii A Nakama R Endo N Imura

The effect of selenite administered at various time intervals after mercury treatment on the toxicity and renal content of mercuric mercury in mice was studied. A marked protective effect of selenite on growth depression and renal lesions caused by mercuric chloride was observed in mice receiving mercury and selenite simultaneously. However, growth depression was not protected by post administr...

2011
Akira Yasutake Jin Ping Cheng Masako Kiyono Shimpei Uraguchi Xiaojie Liu Kyoko Miura Yoshiaki Yasuda Nikolay Mashyanov

A chemical factory, using a production technology of acetaldehyde with mercury catalysis, was located southeast of Qingzhen City in Guizhou Province, China. Previous research showed heavy mercury pollution through an extensive downstream area. A current investigation of the mercury distribution in ambient air, soils, and plants suggests that mobile mercury species in soils created elevated merc...

2009
Atsuhiro Nakano

To clarify the maternal-fetal transfer of mercury across the placenta, inorganic and organic mercury were determined in 41 paired samples of maternal blood, placenta, umbilical cord blood and umbilical cord obtained from pregnant women who had no particular exposure to mercury compounds in their history. Both inorganic and organic mercury were detected in all the samples but the ratio of organi...

Journal: :Journal of applied toxicology : JAT 2007
Grazyna Zareba Elsa Cernichiari Rieko Hojo Scott Mc Nitt Bernard Weiss Moiz M Mumtaz Dennis E Jones Thomas W Clarkson

Thimerosal, which releases the ethyl mercury radical as the active species, has been used as a preservative in many currently marketed vaccines throughout the world. Because of concerns that its toxicity could be similar to that of methyl mercury, it is no longer incorporated in many vaccines in the United States. There are reasons to believe, however, that the disposition and toxicity of ethyl...

Mahdi Banaee, Amal Beitsayah, Isar Jorabdoz,

Background: Aquatic ecosystems are frequently subjected to contamination by toxic heavy metals and pesticides, yet very little is known about the influence of pesticides on bioaccumulation of heavy metals in aquatic organisms. Mercury is a toxic metal with no known biological benefit to organisms. Bioavailability of mercury in aquatic environments depends on biological and non-biological parame...

2015
lindsay J. Brooks

Mercury is a persistent, toxic heavy metal that can bioaccumulate in organisms, causing diseases and other health problems. Wilson’s snipe (Gallinago delicata) feed primarily on aquatic invertebrates, which makes them prone to mercury bioaccumulation. In this study, we measured total mercury in Wilson’s snipe. Total mercury was measured in the feathers and muscle tissue. Mean concentration (ppm...

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