نتایج جستجو برای: mercury release

تعداد نتایج: 255157  

2012
Jung-Duck Park Wei Zheng

Mercury is a toxic and non-essential metal in the human body. Mercury is ubiquitously distributed in the environment, present in natural products, and exists extensively in items encountered in daily life. There are three forms of mercury, i.e., elemental (or metallic) mercury, inorganic mercury compounds, and organic mercury compounds. This review examines the toxicity of elemental mercury and...

2016
Farzad Kahrizi Ahmad Salimi Farshid Noorbakhsh Mehrdad Faizi Freshteh Mehri Parvaneh Naserzadeh Nima Naderi Jalal Pourahmad

In this study we investigated the additive effect of mercury on the brain mitochondrial dysfunction in experimental autoimmune encephalomyelitis (EAE) model. Experimental animals (female C57BL/6 mice) are divided into four groups (n = 8); control, Hg, EAE, EAE with Hg. EAE model of MS induced by injecting myelin oligodendrocyte glycoprotein (MOG). Neurobehavioral alterations are recorded and th...

Journal: :Ecotoxicology 2010
Dana K Sackett D Derek Aday James A Rice W Gregory Cope David Buchwalter

Much of the mercury contamination in aquatic biota originates from coal-fired power plants, point sources that release mercury into the atmosphere. Understanding mercury dynamics is primarily important because of the toxic threat mercury poses to wildlife and humans through the consumption of contaminated fish. In this study, we quantified the relative importance of proximity to coal-fired powe...

Journal: :Acta Medica (Hradec Kralove, Czech Republic) 2004

Journal: :dental research journal 0
neda bahremandi -tolou mohammadhossein fathi ahmad monshi vajihesadat mortazavi farzaneh shirani

background: many attempts have been performed and continued for improvement of dental amalgam properties during last decades. the aim of present research was fabrication and characterization of amalgam/titania nano composite and evaluation of its corrosion behavior. materials and methods: in this experimental research, nano particles of titania were added to initial amalgam alloy powder and the...

ژورنال: مجله دندانپزشکی 2007
حسنی طباطبائی, معصومه , شریعتی, بتول , گلبابائی, فریده ,

Background and Aim: Dental Amalgam is a common restorative material for posterior teeth. Because of Hg content in the composition of amalgam, during the handling of material, mercury may release as vapor in the environment. Excess amount of mercury vapor can cause serious health problems in dental personnel. The aim of this investigation was to determine mercury vapor concentration in working e...

Journal: :Journal of the American Dental Association 2006
Hanu Batchu Hwai-Nan Chou Duane Rakowski P L Fan

BACKGROUND Dental practices use disinfectants or line cleaners to flush dental unit wastewater lines to minimize odor generation, remove solid waste particles and remove biofilms in dental unit water lines (DUWLs). METHODS The authors evaluated 47 disinfectants or line cleaners for their potential to release mercury from amalgam waste. They prepared each product concentration according to the...

Journal: :Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association 2004
Ludwig Kramer Edith Bauer Martin Jansen Daniela Reiter Kurt Derfler Andreas Schaffer

BACKGROUND Immunoadsorption is increasingly used to treat antibody-mediated autoimmune diseases. To prevent microbial growth during storage, reusable protein A-Sepharose gel columns are primed with ethyl mercury thiosalicylate (thiomersal, 0.1% solution) and rinsed with phosphate buffer before use. In this study, we tested the hypothesis of systemic mercury exposure in protein A immunoadsorptio...

Journal: :The Science of the total environment 2012
D A Sarigiannis S P Karakitsios M P Antonakopoulou A Gotti

Mercury release after breakage of compact fluorescent lamps (CFLs) has recently become an issue of public health concern, especially in the case of early life infants. Preliminary, screening type calculations have indicated that there is potential for increased intake of mercury vapor by inhalation after breakage of a CFL. Several experimental and computational studies have shown that, when mod...

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