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Ion-precursor and ion-dose dependent anti-galvanic reduction

01-Jul-2015 | Shubo Tian; Chuanhao Yao; Lingwen Liao; Nan Xia; Zhikun Wu, Chemical Communication, 2015

Controlling alloy nanoparticles with atomic monodispersity is challenging, and the recently revealed anti-galvanic reduction (AGR) provides a unique solution to this challenge. Herein we demonstrate that AGR is ion-precursor and ion-dose dependent, which offers novel strategies to tune the ...

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Twofold role of Hexadecyltrimethylammonium Bromide in photochemical synthesis of gold nanorods

28-Jun-2015 | Author(s): Setareh Monshi Toussi , Marco Zanella , Gaser Nagah Abdelrasoul , Athanassia Athanassiou , Francesca ..., Journal of Photochemistry and Photobiology A: Chemistry, 2015

Publication date: 1 October 2015 Source:Journal of Photochemistry and Photobiology A: Chemistry, Volume 311 Author(s): Setareh Monshi Toussi , Marco Zanella , Gaser Nagah Abdelrasoul , Athanassia Athanassiou , Francesca Pignatelli Synthesis of gold nanorods by photochemical reduction ...

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A Phosphine‐Coordinated Boron‐Centered Gomberg‐Type Radical

27-Jun-2015 | Amos J. Rosenthal, Marc Devillard, Karinne Miqueu, Ghenwa Bouhadir, Didier Bourissou, Angewandte Chemie International Edition, 2015

Abstract The P‐coordinated boryl radical [Ph2P(naphthyl)BMes]. (Mes=mesityl) was prepared by (electro)chemical reduction of the corresponding borenium salt or bromoborane. Electron paramagnetic resonance (EPR) analysis in solution and DFT calculations indicate large spin density on boron ...

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Measurement of CO2 Solubility in NaCl Brine Solutions at Different Temperatures and Pressures Using the Potentiometric Titration Method

24-Jun-2015 | Erfan Mohammadian; Hossein Hamidi; Mohammad Assadullah; Amin Azdarpour; Shervin Motamedi; Radzuan Junin, Journal of Chemical & Engineering Data, 2015

The solubility of CO2 in brine is one of the trapping mechanisms by which the CO2 is sequestrated in aquifers. In this research, an unconventional method, called the potentiometric titration, was used to obtain the solubility of CO2 in distilled water and NaCl brine. The solubility data for the ...

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Continuous fast focusing in trapezoidal void channel based on bidirectional isotachophoresis in wide pH range

23-Jun-2015 | Miroslava Stastna, Karel Slais, ELECTROPHORESIS, 2015

This study concentrates on development of instrumentation for focusing and separation of analytes in continuous flow. It is based on bidirectional ITP working in wide pH range with separation space of closed void channel of trapezoidal shape and continuous supply of sample. The novel ...

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Chemical Bath Deposition of Aluminum Oxide Buffer on Curved Surfaces for Growing Aligned Carbon Nanotube Arrays

22-Jun-2015 | Haitao Wang; Chongzheng Na, Langmuir, 2015

Direct growth of vertically aligned carbon nanotube (CNT) arrays on substrates requires the deposition of an aluminum oxide buffer (AOB) layer to prevent the diffusion and coalescence of catalyst nanoparticles. Although AOB layers can be readily created on flat substrates using a variety of ...

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Highly effective heterogeneous doxycycline stabilized silver nanocatalyst for degradation of ibuprofen and paracetamol drugs

21-Jun-2015 | Author(s): Yasmeen Junejo , Muhammad Safdar, Arabian Journal of Chemistry, 2015

Publication date: Available online 17 June 2015 Source:Arabian Journal of Chemistry Author(s): Yasmeen Junejo , Muhammad Safdar In this work, a new doxycycline stabilized silver nanocatalyst (Dox-Ag (0) NPs) was synthesized in aqueous solution (green method) by one-pot simple synthetic ...

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Synthesis, solution and crystal structure of the coenzyme B12 analogue Coβ-2′-fluoro-2′,5′-dideoxyadenosylcobalamin

21-Jun-2015 | Author(s): Miriam Hunger , Klaus Wurst , Bernhard Kräutler, Journal of Inorganic Biochemistry, 2015

Publication date: July 2015 Source:Journal of Inorganic Biochemistry, Volume 148 Author(s): Miriam Hunger , Klaus Wurst , Bernhard Kräutler Crystal structure analyses have helped to decipher the mode of binding of coenzyme B12 (AdoCbl) in the active site of AdoCbl-dependent enzymes. ...

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New ruthenium(II) coordination compounds possessing bidentate aminomethylphosphane ligands: synthesis, characterization and preliminary biological study in vitro

17-Jun-2015 | Michał Płotek; Radosław Starosta; Urszula K. Komarnicka; Agnieszka Skórska-Stania; Malgorzata Jezowska-Bojczuk; Graz ..., Dalton Transactions, 2015

Addition of aminomethylphosphanes P{CH2N(CH2CH2)2O}3 (1), PPh2{CH2N(CH2CH2)2O} (2) or PPh2{CH2N(CH2CH2)2NCH2CH3} (3) to methanolic solution of RuCl3 results in reduction of ruthenium(III) ion giving finally ttt-[RuCl2(1)2], ttt-[RuCl2(2)2] and ttt-[RuCl2(3)2]. Synthesized complexes are the first ...

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Synthesis, Absorption, and Electrochemical Properties of Quinoid-Type Bisboron Complexes with Highly Symmetrical Structures

11-Jun-2015 | Yasuhiro Kubota; Takahiro Niwa; Jiye Jin; Kazumasa Funabiki; Masaki Matsui, Organic Letters, 2015

Novel bisboron complexes of bidentate ligands consisting of 1,4-benzoquinone and two pyrrole rings were synthesized by using a simple two-step reaction. In solution, the bisboron complexes showed absorption maxima at ∼620 and 800 nm, which were attributed to the allowed S0 → S2 and forbidden S0 → ...

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