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2,290 Newest Publications about the topic mercury

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Nonthermal optical emission spectrometry for simultaneous and direct determination of zinc, cadmium and mercury in the spray

23-Jan-2018 | Yi Cai; Xin-Gang Gao; Zhi-Na Ji; Yong-Liang Yu; Jian-Hua Wang, Analyst, 2018

A nonthermal optical emission spectrometric (OES) system is developed for the simultaneous multielement determination of zinc, cadmium and mercury, with a dielectric barrier discharge (DBD) microplasma generated on the nozzle of a pneumatic micronebulizer as excitation source. After solution ...

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Mercury methylation in stormwater retention ponds at different stages in the management lifecycle

23-Jan-2018 | Rachel J Strickman; Carl PJ Mitchell, Journal of Environmental Monitoring, 2018

Abstract: Stormwater retention ponds effectively manage erosion, flooding, and pollutant loadings, but are also sources of methylmercury (MeHg), a bioaccumulative neurotoxin which is produced by anaerobic aquatic microorganisms. Stormwater retention ponds have a 10-15 year working life, after ...

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Emerging investigator series: Methylmercury Speciation and Dimethylmercury Production in Sulfidic Solutions

23-Jan-2018 | Charlotte R Kanzler; Peng Lian; Emma Leverich Trainer; Xiaoxuan Yang; Niri Govind; Jerry M Parks; Andrew Graham, Journal of Environmental Monitoring, 2018

Alkylated mercury species (monomethylmercury, MeHg, and dimethylmercury, DMeHg) exhibit significant bioaccumulation, and pose significant risks to ecosystems and human health. Although decades of research have been devoted to understanding MeHg formation and degradation, little is known about the ...

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Uracil-bearing poly(2-isopropyl-2-oxazoline): Hg(II)-selective control of its thermoresponsiveness

19-Jan-2018 | Jaehyuk Nam; Yongseok Jung; Woo-Dong Jang, Chemical Communication, 2018

A poly(2-isopropyl-2-oxazoline)-containing mercury ion (Hg2+)-responsive uracil moiety (U-PiPOx-U) was synthesized and it exhibited thermoresponsiveness in its aqueous solution. The changes in the UV-Vis absorption and thermoresponsiveness of U-PiPOx-U upon the addition of Hg2+ were studied. ...

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A multimodal microcharacterisation of trace‐element zonation and crystallographic orientation in natural cassiterite by combining cathodoluminescence, EBSD, EPMA and contribution of confocal Raman‐in‐SEM imaging

16-Jan-2018 | G. WILLE, C. LEROUGE, U. SCHMIDT, Journal of Microscopy, 2018

Summary In cassiterite, tin is associated with metals (titanium, niobium, tantalum, indium, tungsten, iron, manganese, mercury). Knowledge of mineral chemistry and trace‐element distribution is essential for: the understanding of ore formation, the exploration phase, the feasibility of ore ...

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Recurrent supramolecular motifs in discrete complexes and coordination polymers based on mercury halides: prevalence of chelate ring stacking and substituent effects

16-Jan-2018 | Ghodrat Mahmoudi; Jan Kazimierz Zaręba; Antonio Bauza; Maciej Kubicki; Agata Bartyzel; Anastasios Keramidas; Leonid ..., CrystEngComm, 2018

In recent years the library of crystal engineers has been enriched with a number of previously unrecognized or unnoticed intermolecular interactions such as agostic, tetrel, chalcogen, pnicogen bonding and chelate ring stacking – collectively referred to as “unconventional interactions”. Many ...

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Molecular Wire Effects in Phenyleneethynylene Oligomers: Surprising Insights

15-Jan-2018 | Uwe Heiko Bunz, Marcel Hergert, Markus Bender, Kai Seehafer, Chemistry - A European Journal, 2018

We report the synthesis and quenching behavior of a series of water soluble, carboxylate‐carrying phenyleneethynylene oligomers ‐ monomer to tetramer ‐ and their polymers and investigate their quenching behavior with different test analytes (paraquat, lead salts, mercury salts, picric acid, ...

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Design and construction of a new optical solid-state mercury(II) sensor based on PVC membrane sensitized with colloidal carbon dots

14-Jan-2018 | Seyed Alireza Shahamirifard; Mehrorang Ghaedi, New Journal of Chemistry, 2018

A new Hg2+ ion solid-state double layer sensor impregnated with colloidal carbon dots and N′-(3-(4-(dimethylamino)phenyl)allylidene)isonicotinohydrazide (NDPAI, as a second layer) was inserted in plasticized polyvinyl chloride (PVC) as the first layer. Dibutyl phthalate (DBP) provides the best ...

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Design and construction of a new optical solid-state mercury(II) sensor based on PVC membrane sensitized with colloidal carbon dots

14-Jan-2018 | Seyed Alireza Shahamirifard; Mehrorang Ghaedi, New Journal of Chemistry, 2018

A new Hg2+ ion solid-state double layer sensor impregnated with colloidal carbon dots and N′-(3-(4-(dimethylamino)phenyl)allylidene)isonicotinohydrazide (NDPAI, as a second layer) was inserted in plasticized polyvinyl chloride (PVC) as the first layer. Dibutyl phthalate (DBP) provides the best ...

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Voltammetric Detection of Thrombin by Labeling with Osmium Tetroxide Bipyridine and Binding with Aptamers on a Gold Electrode

12-Jan-2018 | Sarasi K. K. Galagedera, Loan Huynh, Falko Wachholz, Martin Jacobsen, Phensinee Haruehanroengra, Jia Sheng, Alan A. ..., Electroanalysis, 2018

Abstract This communication reports on electrochemical detection of thrombin based on labeling with osmium tetroxide bipyridine [OsO4(bipy)]. Tryptophan amino acids can be labeled at the C−C‐double bond, and at least some tryptophan moieties are accessible for labeling in thrombin. Using the ...

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