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1,633 Newest Publications about the topic mercury

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The effect of hydride formation on instrumental mass discrimination in MC-ICP-MS: A case study of Mercury (Hg) and Thallium (Tl) isotopes

29-Jul-2015 | Rudolf Bastian Georg; Karla Newman, Journal of Analytical Atomic Spectrometry, 2015

Here we report evidence for enhanced hydride formation for Hg isotopes when using high sensitivity X skimmer cones and the Neptune MC-ICP-MS. The effect on the instrumental mass discrimination and the robustness of the Tl external mass-bias correction was investigated. A series of experiments ...

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Mercury-induced fragmentation of n-decane and n-undecane in positive mode ion mobility spectrometry

29-Jul-2015 | Frank Gunzer, Analyst, 2015

Ion mobility spectrometry is a well known technique for trace gas analysis. Using soft ionization techniques, fragmentation of analytes is normally not observed, with the consequence that analyte spectra of single substances are quite simple, i.e. showing in general only one peak. If the ...

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Mercury Sorption and Desorption on Gold: A Comparative Analysis of Surface Acoustic Wave and Quartz Crystal Microbalance-Based Sensors

23-Jul-2015 | K. M. Mohibul Kabir; Ylias M. Sabri; Ahmad Esmaielzadeh Kandjani; Glenn I. Matthews; Matthew Field; Lathe A. Jones; ..., Langmuir, 2015

Microelectromechanical sensors based on surface acoustic wave (SAW) and quartz crystal microbalance (QCM) transducers possess substantial potential as online elemental mercury (Hg0) vapor detectors in industrial stack effluents. In this study, a comparison of SAW- and QCM-based sensors is ...

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Simultaneous Removal of NO and Hg0 from Flue Gas over Mn–Ce/Ti-PILCs

22-Jul-2015 | Yinyin Wang; Boxiong Shen; Chuan He; Shiji Yue; Fumei Wang, Environmental Science & Technology, 2015

A series of Mn–Ce/Ti-PILCs (PILCs, pillared interlayered clays) catalysts were prepared via impregnation method in simultaneous removal of NO and elemental mercury in simulated flue gas. The physicochemical properties of these catalysts have been examined by some characterization methods, such as ...

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Cyclometalated Iminophosphorane Gold(III) and Platinum(II) Complexes. A Highly Permeable Cationic Platinum(II) Compound with Promising Anticancer Properties

22-Jul-2015 | Malgorzata Frik; Jacob Fernández-Gallardo; Oscar Gonzalo; Víctor Mangas-Sanjuan; Marta González-Alvarez; Alfonso Ser ..., Journal of Medicinal Chemistry, 2015

New organometallic gold(III) and platinum(II) complexes containing iminophosphorane ligands are described. Most of them are more cytotoxic to a number of human cancer cell lines than cisplatin. Cationic Pt(II) derivatives 4 and 5, which differ only in the anion, Hg2Cl62– or PF6– respectively, ...

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Relative Contributions of Mercury Bioavailability and Microbial Growth Rate on Net Methylmercury Production by Anaerobic Mixed Cultures

21-Jul-2015 | Katarzyna H. Kucharzyk; Marc A. Deshusses; Kaitlyn A. Porter; Heileen Hsu-Kim, Journal of Environmental Monitoring, 2015

Monomethylmercury (MeHg) is produced in many aquatic environments by anaerobic microorganism that take up inorganic forms of Hg(II) and methylate it. Net methylation of Hg(II) appears to be correlated with factors that affect the activity of the anaerobic microbial community and factors that ...

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Decadal Declines of Mercury in Adult Bluefish (1972–2011) from the Mid-Atlantic Coast of the U.S.A.

21-Jul-2015 | Ford A Cross; David W. Evans; Richard T. Barber, Environmental Science & Technology, 2015

Concentrations of total mercury were measured in muscle of adult bluefish (Pomatomus saltatrix) collected in 2011 off North Carolina and compared with similar measurements made in 1972. Concentrations of mercury decreased by 43% in the fish between the two time periods, with an average rate of ...

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Phenylthiourea alters toxicity of mercury compounds in zebrafish larvae

20-Jul-2015 | Author(s): Tracy C. MacDonald, Susan Nehzati, Nicole J. Sylvain, Ashley K. James, Malgorzata Korbas, Sally ..., Journal of Inorganic Biochemistry, 2015

Publication date: Available online 14 July 2015 Source:Journal of Inorganic Biochemistry Author(s): Tracy C. MacDonald, Susan Nehzati, Nicole J. Sylvain, Ashley K. James, Malgorzata Korbas, Sally Caine, Ingrid J. Pickering, Graham N. George, Patrick H. Krone In recent ...

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Hg Stable Isotope Time Trend in Ringed Seals Registers Decreasing Sea Ice Cover in the Alaskan Arctic

20-Jul-2015 | Jérémy Masbou; David Point; Jeroen E. Sonke; Frédéric Frappart; Vincent Perrot; David Amouroux; Pierre Richard; Paul ..., Environmental Science & Technology, 2015

Decadal time trends of mercury (Hg) concentrations in Arctic biota suggest that anthropogenic Hg is not the single dominant factor modulating Hg exposure to Arctic wildlife. Here, we present Hg speciation (monomethyl-Hg) and stable isotopic composition (C, N, Hg) of 53 Alaskan ringed seal liver ...

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Chemical Detoxification of Organomercurials

16-Jul-2015 | Mainak Banerjee, Ramesh Karri, Kuber Singh Rawat, Karthick Muthuvel, Biswarup Pathak, Gouriprasanna Roy, Angewandte Chemie International Edition, 2015

Abstract Organomercurials including methylmercury are ubiquitous environmental pollutants and highly toxic to humans. Now it could be shown that N‐methylimidazole based thiones/selones having an N‐CH2CH2OH substituent are remarkably effective in detoxifying various organomercurials to produce ...

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