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Surface behavior of amphiphiles in aqueous solution: a comparison between different pentanol isomers

13-May-2015 | M.-M. Walz; C. Caleman; J. Werner; V. Ekholm; D. Lundberg; N. L. Prisle; G. Öhrwall; O. Björneholm, Physical Chemistry Chemical Physics, 2015

Position isomerism is ubiquitous in atmospheric oxidation reactions. Therefore, we have compared surface-active oxygenated amphiphilic isomers (1- and 3-pentanol) at the aqueous surface with surface- and chemically sensitive X-ray photoelectron spectroscopy (XPS), which reveals information about ...

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Preparation and characterisation of silver‐ or copper‐doped TiO2 catalysts and their catalytic activity in dye degradation

12-May-2015 | Oleksandr Lozovskyi, Gönül Gündüz, Meral Dükkancı, Roman Prihod'ko, Coloration Technology, 2015

In this study, silver‐ or copper‐doped TiO2–Ce‐, TiO2–La‐, and commercial TiO2 (P25)‐supported catalysts were prepared. The catalysts and supports were characterised by powder X‐ray diffraction, scanning electron microscopy, Fourier transform infrared spectroscopy, and nitrogen adsorption ...

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Novel water soluble neutral vanadium(IV)–antibiotic complex: Antioxidant, immunomodulatory and molecular docking studies

11-May-2015 | Author(s): Chitraniva Datta , Dharitri Das , Paritosh Mondal , Biswajit Chakraborty , Mahuya Sengupta , Chira R ..., European Journal of Medicinal Chemistry, 2015

Publication date: Available online 8 May 2015 Source:European Journal of Medicinal Chemistry Author(s): Chitraniva Datta , Dharitri Das , Paritosh Mondal , Biswajit Chakraborty , Mahuya Sengupta , Chira R. Bhattacharjee A novel water soluble five coordinate oxovanadium(IV) complex, ...

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Dinuclear Zinc and Cobalt Complexes with Imidazolyl and N‐Methylmidazolyl Units and Their Solution Speciation and Redox Properties

06-May-2015 | Merle Kügler, Joanna Gałęzowska, Florian Schendzielorz, Sebastian Dechert, Serhiy Demeshko, Inke Siewert, European Journal of Inorganic Chemistry, 2015

Abstract Herein, we report the synthesis of a new ligand, which is preorganised for the complexation of two metal ions and has two 1H‐imidazolyl units in the outer ligand sphere. The zinc and cobalt complexes with the ligand were synthesised and fully characterised, and their solid‐state ...

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Anaerobic Arsenite Oxidation by an Autotrophic Arsenite-Oxidizing Bacterium from an Arsenic-Contaminated Paddy Soil

05-May-2015 | Jun Zhang; Wuxian Zhou; Bingbing Liu; Jian He; Qirong Shen; Fang-Jie Zhao, Environmental Science & Technology, 2015

Microbe-mediated arsenic (As) redox reactions play an important role in the biogeochemical cycling of As. Reduction of arsenate [As(V)] generally leads to As mobilization in paddy soils and increased As availability to rice plants, whereas oxidation of arsenite [As(III)] results in As ...

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What Makes a Strong Organic Electron Donor (or Acceptor)?

27-Apr-2015 | Benjamin Eberle, Olaf Hübner, Alexandra Ziesak, Elisabeth Kaifer, Hans‐Jörg Himmel, Chemistry - A European Journal, 2015

Abstract Organic electron donors are of importance for a number of applications. However, the factors that are essential for a directed design of compounds with desired reduction power are not clear. Here, we analyze these factors in detail. The intrinsic reduction power, which neglects the ...

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Reverse-Micelle-Induced Exfoliation of Graphite into Graphene Nanosheets with Assistance of Supercritical CO2

27-Apr-2015 | Shanshan Xu; Qun Xu; Nan Wang; Zhimin Chen; Qiuge Tian; Hongxia Yang; Kaixi Wang, Chemistry of Materials, 2015

Mass production of graphene with low cost and excellent properties is essential for its practical applications in energy, composites, biotechnology, and electronics. Here for the first time we demonstrate that graphite powder can be efficiently exfoliated into monolayered and few-layered ...

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Synthesis and Reactivity of Thioether-Dithiolate-Bridged Multi-iron Complexes

23-Apr-2015 | Ying Li; Yahui Zhang; Dawei Yang; Yang Li; Puhua Sun; Baomin Wang; Jingping Qu, Organometallics, 2015

The novel thioether-dithiolate-bridged diiron complex [Cp*Fe(μ-1κ3SSS′:2κ2SS-tpdt)FeCp*] (1, Cp* = η5-C5Me5; tpdt = S(CH2CH2S−)2) has been prepared by the reaction of [Cp*FeCl]2 with Li2(tpdt) in THF. Given the thermodynamic instability of 1, a one-electron oxidation was performed with Fc·PF6 (Fc ...

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Towards Norcorrin: Hydrogenation Chemistry and the Heterodimerization of Nickel(II) Norcorrole

20-Apr-2015 | Bin Liu, Xiaofang Li, Marcin Stępień, Piotr J. Chmielewski, Chemistry - A European Journal, 2015

Abstract 5,14‐Dimesitylnorcorrolatonickel(II) was hydrogenated under mild conditions (room temperature, 1 atm H2, THF solution, 5 min.) in the presence of Raney nickel to yield nonaromatic derivatives that were isolated and characterized by NMR spectroscopy, UV/Vis spectrophotometry, HRMS, ...

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Ionizing radiation induced degradation of diuron in dilute aqueous solution

18-Apr-2015 | Kovács, Krisztina; He, Shijun; Mile, Viktoria; Csay, Tamás; Takács, Erzsébet; Wojnárovits, László, Chemistry Central Journal , 2015

Background: Cutting edge technologies based on Advanced Oxidation Processes (AOP) are under development for the elimination of highly persistent organic molecules (like pesticides) from water matrices. Among them, ionizing radiation treatment represents a promising technology that requires no ...

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