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1,445 Newest Publications about the topic mercury

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Highly sensitive fluorescent sensor for mercury based on hyperbranched rolling circle amplification

16-12-2014 | Jinfeng Chen; Ping Tong; Yifen Lin; Wei Lu; Yu He; Minghua Lu; Lan Zhang; Guonan Chen, Analyst, 2014

A label-free hyperbranched rolling circle amplification (HRCA) based fluorescent sensor has been developed for Hg2+ detection. The fluorescence intensity has a linear relationship with the concentration of the target in the range of 0.425 pmol L−1 to 42.5 nmol L−1, and the detection limit is as ...

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Electrochemistry of Cefditoren Pivoxil and its Voltammetric Determination

14-12-2014 | Author(s): İbrahim Hüdai Taşdemir, Arabian Journal of Chemistry, 2014

Publication date: Available online 9 December 2014 Source:Arabian Journal of Chemistry Author(s): İbrahim Hüdai Taşdemir Electrochemical behavior of cefditoren pivoxil (CTP) was studied via experimental electrochemical methods and theoretical calculations performed at B3LYP/6-31+G (d)//AM1 ...

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Online mercury determination by laser-induced breakdown spectroscopy with assistance of solution cathode glow discharge

10-12-2014 | Peichao Zheng; Hongdi Liu; Jinmei Wang; Minjie Shi; Xiaomeng Wang; Bin Zhang; Rui Yang, Journal of Analytical Atomic Spectrometry, 2014

The trace mercury in aqueous solution is determined by laser-induced breakdown spectroscopy (LIBS) under the assistance of solution cathode glow discharge (SCGD) system. The aqueous solution is converted to gas phase using high voltage DC discharge, and then the generated mercury vapor is cooled ...

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Synthesis of carbon dot based photoluminescent probe for selective and ultrasensitive detection of Hg2+ in water and living cells

09-12-2014 | Sasmita Mohapatra; Swagatika Sahu; Niharika Sinha; Sujit Bhutia, Analyst, 2014

Nitrogen and sulphur co-doped carbon dot (NSCD) based highly selective photoluminescent probe for mercury detection has been designed. The NSCD with PL quantum yield of 69% is easily prepared from a single polymeric molecular precursor. The turn on-off fluorescence change with mercury addition is ...

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Acetylcholinesterase inhibition-based colorimetric determination of Hg2+ using unmodified silver nanoparticles

09-12-2014 | Dashananda Nanda Kumar; Ayyachamy Rajeshwari; Sruthi Ann Alex; Natarajan Chandrasekaran; Amitava Mukherjee, New Journal of Chemistry, 2014

A novel, enzyme-based, indirect detection method for mercury in aqueous solutions has been developed using unmodified silver nanoparticles. The enzyme acetylcholinesterase breaks down acetylthiocholine to thiocholine, which results in the crosslinking of the silver nanoparticles. The presence of ...

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Detect, Remove and Reuse: A New Paradigm in Sensing and Removal of Hg (II) from Wastewater via SERS-Active ZnO/Ag Nanoarrays

09-12-2014 | Ahmad Esmaielzadeh Kandjani; Ylias M. Sabri; Mahsa Mohammad-Taheri; Vipul Bansal; Suresh K. Bhargava, Environmental Science & Technology, 2014

Mercury being one of the most toxic heavy metals has long been a focus of concern due to its gravest threats to human health and environment. Although multiple methods have been developed to detect and/or remove dissolved mercury, many require complicated procedures and sophisticated equipment. ...

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Preliminary crystallographic analysis of Xyn52B2, a GH52 β‐D‐xylosidase from Geobacillus stearothermophilus T6

08-12-2014 | Roie Dann, Shifra Lansky, Noa Lavid, Arie Zehavi, Valery Belakhov, Timor Baasov, Hay Dvir, Babu Manjasetty, Hassan B ..., Acta Crystallographica Section F, 2014

Geobacillus stearothermophilus T6 is a thermophilic bacterium that possesses an extensive hemicellulolytic system, including over 40 specific genes that are dedicated to this purpose. For the utilization of xylan, the bacterium uses an extracellular xylanase which degrades xylan to decorated ...

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Wandering Albatrosses Document Latitudinal Variations in the Transfer of Persistent Organic Pollutants and Mercury to Southern Ocean Predators

05-12-2014 | Alice Carravieri; Paco Bustamante; Sabrina Tartu; Alizée Meillère; Pierre Labadie; Hélène Budzinski; Laurent Peluhet ..., Environmental Science & Technology, 2014

Top marine predators are effective tools to monitor bioaccumulative contaminants in remote oceanic environments. Here, we used the wide-ranging wandering albatross Diomedea exulans to investigate potential geographical variations of contaminant transfer to predators in the Southern Ocean. Blood ...

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Organic–Inorganic Hybrid Zinc Phosphate with 28‐Ring Channels

03-12-2014 | Chih‐Min Wang, Li‐Wei Lee, Tsung‐Yuan Chang, Yen‐Chieh Chen, Hsiu‐Mei Lin, Kuang‐Lieh Lu, Kwang‐Hwa Lii, Chemistry - A European Journal, 2014

Abstract An organic–inorganic hybrid zinc phosphate with 28‐ring channels was synthesized by use of an organic ligand instead of organic amine template under a hydro(solvo)thermal condition. This crystalline zinc phosphate contains large channels constructed from 28 zinc and phosphate ...

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Mercury methylation and demethylation in highly contaminated sediments from the Deûle River in Northern France using species-specific enriched stable isotopes

03-12-2014 | Baghdad Ouddane; Mathilde Monperrus; Milada Kadlecova; Mirna Daye; David Amouroux, Journal of Environmental Monitoring, 2014

The methylation–demethylation processes in sediments of the Deûle River were determined using well-established isotope experiments. For this purpose, species-specific isotopically enriched tracers in the form of inorganic mercury IHg (199Hg) and methylmercury MeHg (Me201Hg) were used to determine ...

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