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1.184 Aktuelle Fachpublikationen zum Thema Addition

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Fabrication and Evaluation of Porous Ti-HA Bio-Nanomaterial by Leaching Process

14.12.2014 | Author(s): A.M. Omran , Kee Do Woo , Duck Soo Kang , G.T. Abdel-Gaber , H. Fouad , Hany S. Abdo , Khalil Abdel ..., Arabian Journal of Chemistry, 2014

Publication date: Available online 8 December 2014 Source:Arabian Journal of Chemistry Author(s): A.M. Omran , Kee Do Woo , Duck Soo Kang , G.T. Abdel-Gaber , H. Fouad , Hany S. Abdo , Khalil Abdelrazek Khalil A porous surface of Ti-HA composite was successfully fabricated by pulsed ...

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Effect of size and shape controlled biogenic synthesis of gold nanoparticles and their mode of interactions against food borne bacterial pathogens

14.12.2014 | Author(s): Krishnaraj Chandran , Seonhwa Song , Soon-Il Yun, Arabian Journal of Chemistry, 2014

Publication date: Available online 8 December 2014 Source:Arabian Journal of Chemistry Author(s): Krishnaraj Chandran , Seonhwa Song , Soon-Il Yun In this study, size and shape controlled biogenic synthesis of gold nanoparticles and their antibacterial activity against food borne ...

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Vanadium Compounds in Medicine

14.12.2014 | Author(s): Joao Costa Pessoa , Susana Etcheverry , Dinorah Gambino, Coordination Chemistry Reviews, 2014

Publication date: Available online 9 December 2014 Source:Coordination Chemistry Reviews Author(s): Joao Costa Pessoa , Susana Etcheverry , Dinorah Gambino Vanadium is a transition metal that, being ubiquitously distributed in soil, crude oil, water and air, also found roles in ...

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Imaging and Sizing of Single DNA Molecules on a Mobile Phone

12.12.2014 | Qingshan Wei; Wei Luo; Samuel Chiang; Tara Kappel; Crystal Mejia; Derek Tseng; Raymond Yan Lok Chan; Eddie Yan; Hang ..., ACS Nano, 2014

DNA imaging techniques using optical microscopy have found numerous applications in biology, chemistry and physics and are based on relatively expensive, bulky and complicated set-ups that limit their use to advanced laboratory settings. Here we demonstrate imaging and length quantification of ...

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Accurate Prediction of Lattice Energies and Structures of Molecular Crystals with Molecular Quantum Chemistry Methods

11.12.2014 | Tao Fang; Wei Li; Fangwei Gu; Shuhua Li, Journal of Chemical Theory and Computation, 2014

We extend the generalized energy-based fragmentation (GEBF) approach to molecular crystals under periodic boundary conditions (PBC), and we demonstrate the performance of the method for a variety of molecular crystals. With this approach, the lattice energy of a molecular crystal can be obtained ...

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A Bowl‐Shaped Circular Trinuclear Helicate Generated from a TiO4N2 Motif by a Multicomponent Self‐Assembly Approach

09.12.2014 | Pierre Mobian, Nathalie Baradel, Nathalie Kyritsakas, Georges Khalil, Marc Henry, Chemistry - A European Journal, 2014

Abstract The synthesis of a bowl‐shaped trinuclear circular titanium‐based helicate is reported. The strategy allowing access to this neutral architecture is based on a multicomponent self‐assembly approach in which the ligands involved in the process are a bis‐biphenol strand and 2,2′‐ ...

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Unprecedented Oxidative Addition and Metal‐Only Lewis Pair Chemistry of Antimony Trihalides

09.12.2014 | Holger Braunschweig, Rian D. Dewhurst, Florian Hupp, Justin Wolf, Chemistry - A European Journal, 2014

Abstract Reaction of the zero‐valent platinum complex [Pt(PCy3)2] with SbF3 generates the cationic diplatinum stibenium complex [{(Cy3P)2Pt}2(μ‐SbF2)]+, the first unsupported metal‐only Lewis pair containing an antimony‐centered Lewis acid. In contrast, SbCl3 undergoes oxidative addition to ...

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Synthesis of novel isoxazolines and isoxazoles of N-substituted pyrazolo[3,4-d]pyrimidin-4(5H)-one derivatives through[3+2] cycloaddition

07.12.2014 | Author(s): Ameur Rahmouni , Anis Romdhane , Abderrahim Ben said , Vincent Guérineau , David Touboul , Hichem Be ..., Arabian Journal of Chemistry, 2014

Publication date: Available online 5 December 2014 Source:Arabian Journal of Chemistry Author(s): Ameur Rahmouni , Anis Romdhane , Abderrahim Ben said , Vincent Guérineau , David Touboul , Hichem Ben Jannet 3,6-Dimethyl-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one 3 was prepared by ...

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Parallel Worlds of Public and Commercial Bioactive Chemistry Data

04.12.2014 | Christopher A. Lipinski; Nadia K. Litterman; Christopher Southan; Antony J. Williams; Alex M. Clark; Sean Ekins, Journal of Medicinal Chemistry, 2014

The availability of structures and linked bioactivity data in databases is powerfully enabling for drug discovery and chemical biology. However, we now review some confounding issues with the divergent expansions of public and commercial sources of chemical structures. These are associated with ...

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Oxazol-5-(4H)-Ones. Part 1. Synthesis and Reactivity as 1,3-dipoles

02.12.2014 | Piperno, Anna; Scala, Angela; Risitano, Francesco; Grassi, Giovanni, Organic Chemistry, 2014

Abstract: The interest in the chemistry of saturated oxazolones continues unabated in virtue of their usefulness as intermediates in the synthesis of highly substituted heterocycles. This review attempts to present the prolific development of recent years in this area and gives a critical ...

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