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1,673 Newest Publications about the topic mercury


Studies on the thymine-mercury-thymine base pairing in parallel and anti-parallel DNA duplexes

02-Sep-2015 | Junlin He; Gaogeng Liu; Zhiwen Li; Junfei Zhu; Yang Liu; Ying Zhou, New Journal of Chemistry, 2015

The stable T-Hg-T base pair in nucleic acids has been widely applied for Hg2+ biosensors. Based on the N-Hg binding mechanism of mercury ion to nucleobases, the N-Hg-N bond was studied in other base pairs (T-T, T-G, G-G, C+- C+) with two imino groups within the base pairing face, in the context ...


Visual detection of mercury (II) based on recognition of the G-quadruplex conformational transition by a cyanine dye supramolecule

02-Sep-2015 | Hongbo Chen; Xiufeng Zhang; Hongxia Sun; Xiaoran Sun; Yunhua Shi; Shujuan Xu; Yalin Tang, Analyst, 2015

A supramolecular probe for visual detection of mercury (Hg) has been designed by using a cyanine dye and AS1411 G-quadruplexes, which exhibits obvious color change from red to blue responding to the increased level of Hg2+. The supramolecular probe exhibits high selectivity and sensitivity ...


IJERPH, Vol. 12, Pages 10620-10634: Comparative Assessment of Heavy Metals in Drinking Water Sources in Two Small-Scale Mining Communities in Northern Ghana

28-Aug-2015 | Cobbina, Samuel J.; Duwiejuah, Abudu B.; Quansah, Reginald ; Obiri, Samuel ; Bakobie, Noel, International Journal of Environmental Research and Public Health, 2015

The study assessed levels of heavy metals in drinking water sources in two small-scale mining communities (Nangodi and Tinga) in northern Ghana. Seventy-two (72) water samples were collected from boreholes, hand dug wells, dug-out, and a stream in the two mining communities. The levels of mercury ...


Materials, Vol. 8, Pages 5702-5714: In Situ Anodization of WO3-Decorated TiO2 Nanotube Arrays for Efficient Mercury Removal

28-Aug-2015 | Lee, Wai Hong; Lai, Chin Wei; Hamid, Sharifah Bee Abd, Materials, 2015

WO3-decorated TiO2 nanotube arrays were successfully synthesized using an in situ anodization method in ethylene glycol electrolyte with dissolved H2O2 and ammonium fluoride in amounts ranging from 0 to 0.5 wt %. Anodization was carried out at a voltage of 40 V for a duration of 60 min. By using ...


Osmotically Driven Deformation of a Stable Water Film

27-Aug-2015 | Sue A. Chen; Lucy Y. Clasohm; Roger G. Horn; Steven L. Carnie, Langmuir, 2015

An aspect of dynamic colloidal interactions that has received little attention is the osmotic stress associated with nonequilibrium distribution of solutes. Recent experiments on a mercury drop near a mica surface show a dimple forming on the mercury/water interface when there is a sudden change ...


Bioavailability and Electroreactivity of Zinc Complexed to Strong and Weak Organic Ligands

24-Aug-2015 | Ja-Myung Kim; Oliver Baars; François M. M. Morel, Environmental Science & Technology, 2015

Laboratory experiments have established the importance of complexation by organic ligands in determining the bioavailability of trace metals to marine phytoplankton, while electrochemical measurements with field samples have demonstrated that a large fraction of bioactive trace metals are ...


A Biphasic Mercury‐Ion Sensor: Exploiting Microfluidics to Make Simple Anilines Competitive Ligands

21-Aug-2015 | Martin Petzoldt, Carsten Eschenbaum, S. Thimon Schwaebel, Kerstin Broedner, Uli Lemmer, Manuel Hamburger, Uwe H. F. Bunz, Chemistry - A European Journal, 2015

Abstract Combining the molecular wire effect with a biphasic sensing approach (analyte in water, sensor‐dye in 2‐methyltetrahydrofuran) and a microfluidic flow setup leads to the construction of a mercury‐sensitive module. We so instantaneously detect Hg2+ ions in water at a 500 μM ...


IJERPH, Vol. 12, Pages 10020-10038: An Investigation of Organic and Inorganic Mercury Exposure and Blood Pressure in a Small-Scale Gold Mining Community in Ghana

21-Aug-2015 | Rajaee, Mozhgon ; Sánchez, Brisa N.; Renne, Elisha P.; Basu, Niladri, International Journal of Environmental Research and Public Health, 2015

There is increasing concern about the cardiovascular effects of mercury (Hg) exposure, and that organic methylmercury and inorganic Hg2+ may affect the cardiovascular system and blood pressure differentially. In small-scale gold mining communities where inorganic, elemental Hg exposures are high, ...


Mercury Interaction with the Fine Fraction of Coal-Combustion Fly Ash in a Simulated Coal Power Plant Flue Gas Stream

21-Aug-2015 | Adam D. Jew; Erik C. Rupp; Dawn L. Geatches; Ji-Eun Jung; Gabriela Farfan; Louisa Bahet; James C. Hower; Gordon E. B ..., Energy & Fuels, 2015

Mercury associated with fly ash is a significant contaminant released in flue gas emissions from coal-fired power plants. This work focuses on the association of Hg with other elements and phases as well as the molecular-level speciation of Hg in bulk ...


ICP-MS/MS as a tool to study abiotic methylation of inorganic mercury reacting with VOCs

19-Aug-2015 | Qian He; Zhi Xing; Sichun Zhang; Xinrong Zhang, Journal of Analytical Atomic Spectrometry, 2015

Methylmercury (CH3Hg) is one of the most widespread toxic contaminants. Although the formation of CH3Hg in aqueous environments has been widely investigated, little information is available on direct anthropogenic or natural emissions of CH3Hg to the atmosphere. In this work, ICP-MS/MS was chosen ...


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