15   Artículos

« Anterior     Página: 1 de 1     Siguiente »

 
en línea
Long Chen, Feng Li, Wenrou Huang, Zhi Li and Mingguang Chen    
A large fraction of mercury contaminant in the environment is from industrial production, and it potentially impairs human health once entering the food chain. Millions of people reside in the Pearl River Delta region, and water quality in the estuary di... ver más
Revista: Water    Formato: Electrónico

 
en línea
Ivars Klavin?, Arta Bardule, Zane Klavina and Zane Libiete    
Mercury (Hg) is a toxic contaminant that bioaccumulates in trophic chains in its organic form?methylmercury (MeHg). Hg methylation is driven by microorganisms in favourable conditions, stagnant water pools being among potential methylation hotspots. In t... ver más
Revista: Hydrology    Formato: Electrónico

 
en línea
Mark E. Brigham, David D. VanderMeulen, Collin A. Eagles-Smith, David P. Krabbenhoft, Ryan P. Maki and John F. DeWild    
Long-term monitoring of mercury in precipitation and lacustrine ecosystems provides insights into ecosystem responses as a result of mercury and sulfate emissions reductions.
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Javier Hernández-Fernández, Ellie Anne López-Barrera, Leonardo Mariño-Ramírez, Pilar Rodríguez-Becerra and Andrés Pinzón-Velasco    
This study describes the use of erythrocytes (RBCs) of loggerhead turtles as in vitro models for evaluating their toxicity to methylmercury. Blood samples of loggerhead turtles that were born in the Colombian Caribbean were used. The LC50 of RBCs to meth... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Boon-Lek Ch?ng, Che-Jung Hsu, Yu Ting, Ying-Lin Wang, Chi Chen, Tien-Chin Chang and Hsing-Cheng Hsi    
This study aimed to investigate the Hg removal efficiency of iron sulfide (FeS), sulfurized activated carbon (SAC), and raw activated carbon (AC) sorbents influenced by salinity and dissolved organic matter (DOM), and the effectiveness of these sorbents ... ver más
Revista: Water    Formato: Electrónico

 
en línea
Chih-Feng Chen, Yun-Ru Ju, Guan-Ting Lin, Chiu-Wen Chen and Cheng-Di Dong    
The distribution of methylmercury (MeHg) and total mercury (T-Hg) in sediments of the estuaries and the basin in Kaohsiung Harbor (Taiwan) is studied. MeHg in the sediment samples was determined using gas chromatography-mass spectrometry. The certified r... ver más

 
en línea
Senlin Zhu, Zhonglong Zhang, Xiaobo Liu     Pág. 1 - 22
CE-QUAL-W2 (W2) is a widely-used two-dimensional, laterally averaged, longitudinal/vertical, hydrodynamic and water quality model. This model was modified and enhanced to include a mercury (Hg) simulation module for simulating Hg transport and cycling in... ver más
Revista: Water    Formato: Electrónico

 
en línea
José G. Dórea    
The neurotoxic effects of fish-methylmercury (meHg) consumed regularly are considered hazardous to fetuses and newborn infants; as a result fish consumption advisories are an important asset to control meHg exposure in affluent societies. These concerns ... ver más

 
en línea
Maria do Carmo Ezequiel Rollemberg (Author)     Pág. 415 - 417
Methylmercury solutions in chloroform (1000 mgHg/L) were titrated potentiometrically, using saturated calomel and silver electrodes, and potassium iodide aqueous solution (5 mmols/L) as the titrant. For comparison, mercuric ion and methylmercury aqueous ... ver más
Revista: Acta Scientiarum: Technology    Formato: Electrónico

 
en línea
Stéphane Guédron, Dario Achá, Sylvain Bouchet, David Point, Emmanuel Tessier, Carlos Heredia, Stéfany Rocha-Lupa, Pablo Fernandez-Saavedra, Marizol Flores, Sarah Bureau, Israel Quino-Lima and David Amouroux    
In shallow aquatic environments, sediment is a significant source of monomethylmercury (MMHg) for surface water (SW). High-altitude aquatic ecosystems are characterized by extreme hydro-climatic constraints (e.g., low oxygen and high UV radiation). We st... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Sophie Gentès, Mathilde Monperrus, Alexia Legeay, Claire Gassie, Régine Maury-Brachet, Jean-Marc André and Rémy Guyoneaud    
The freshwater lakes of southwestern France are subject to the development of invasive macrophytes which are associated with mercury (Hg) contamination of the food web. The aim of this study was to determine the bioavailability of methylmercury (MeHg) pr... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Meng-Yuan Ou, Yu Ting, Boon-Lek Ch?ng, Chi Chen, Yung-Hua Cheng, Tien-Chin Chang and Hsing-Cheng Hsi    
In this study, kaolinite, carbon black (CB), iron sulfide (FeS), hydroxyapatite (HAP), and oyster shell powder (OSP) were selected as potentially ideal amendments to immobilize metals in sediment, including Ni, Cr, Cu, Zn, and Hg. In aqueous batch experi... ver más
Revista: Water    Formato: Electrónico

 
en línea
Celia Y. Chen, Darren M. Ward, Jason J. Williams and Nicholas S. Fisher    
Evaluating the degree of metal exposure and bioaccumulation in estuarine organisms is important for understanding the fate of metals in estuarine food webs. We investigated the bioaccumulation of Hg, methylmercury (MeHg), Cd, Se, Pb, and As in common int... ver más
Revista: Journal of Marine Science and Engineering    Formato: Electrónico

 
en línea
Charles P. Madenjian, Mark P. Ebener and David P. Krabbenhoft    
We determined whole-fish Hg concentrations of 26 female and 34 male adult lake whitefish (Coregonus clupeaformis) from northern Lake Huron captured during November 2010. Subsampling from these 60 fish, Hg concentration was also determined in both ... ver más
Revista: Environments    Formato: Electrónico

 
en línea
Catherine E. LePrevost, Kathleen M. Gray, Mercedes Hernández-Pelletier, Brennan D. Bouma, Consuelo Arellano and W. Gregory Cope    
Fish consumption has established benefits, including the promotion of cardiovascular health and pre- and neonatal brain and eye development, but local freshwater fish may be a source of contaminants that are especially harmful to fetuses and young childr... ver más

« Anterior     Página: 1 de 1     Siguiente »