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Green synthesized silver nanoparticles destroy multi drug resistant bacteria via reactive oxygen species mediated membrane damage

23.08.2015 | Author(s): Balaram Das, Sandeep Kumar Dash, Debasish Mandal, Totan Ghosh, Sourav Chattopadhyay, Satyajit ..., Arabian Journal of Chemistry, 2015

Publication date: Available online 21 August 2015 Source:Arabian Journal of Chemistry Author(s): Balaram Das, Sandeep Kumar Dash, Debasish Mandal, Totan Ghosh, Sourav Chattopadhyay, Satyajit Tripathy, Sabyasachi Das, Sankar kumar Dey, Debasis Das, Somenath Roy The ...


CO2-Soluble Ionic Surfactants and CO2 Foams for High-Temperature and High-Salinity Sandstone Reservoirs

21.08.2015 | Zheng Xue; Krishna Panthi; Yunping Fei; Keith P. Johnston; Kishore K. Mohanty, Energy & Fuels, 2015

The sweep efficiency of CO2 enhanced oil recovery can be improved by forming viscous CO2-in-water (C/W) foams that increase the viscosity of CO2. The goal of this study is to identify CO2-soluble ionic surfactants that stabilize C/W foams at elevated temperatures up to 120 °C in the presence of a ...


Dual Europium Luminescence Centers in Colloidal Ga2O3 Nanocrystals: Controlled in Situ Reduction of Eu(III) and Stabilization of Eu(II)

21.08.2015 | Arunasish Layek; Baran Yildirim; Vahid Ghodsi; Lisa N. Hutfluss; Manu Hegde; Ting Wang; Pavle V. Radovanovic, Chemistry of Materials, 2015

Introducing multiple luminescent centers into colloidal nanocrystals is an attractive way to impart new optical properties into this class of materials. Doping disparate ions into specific nanocrystals is often challenging, due to the preferential incorporation of one type of dopant. Here, we ...


Synthesis and Evaluation of New Generation Cross-Bridged Bifunctional Chelator for 64Cu Radiotracers

19.08.2015 | Ajit V. Dale; Gwang Il An; Darpan N. Pandya; Yeong Su Ha; Nikunj Bhatt; Nisarg Soni; Hochun Lee; Heesu Ahn; Swarbhan ..., Inorganic Chemistry, 2015

Bifunctional chelators have been successfully used to construct 64Cu-labeled radiopharmaceuticals. Previously reported chelators with cross-bridged cyclam backbones have various essential features such as high stability of the copper(II) complex, high efficiency of radiolabeling at room ...


Visible‐Light‐Driven Oxidation of Organic Substrates with Dioxygen Mediated by a [Ru(bpy)3]2+/Laccase System

18.08.2015 | Ludovic Schneider, Yasmina Mekmouche, Pierre Rousselot‐Pailley, A. Jalila Simaan, Viviane Robert, Marius Réglier, Al ..., ChemSusChem, 2015

Abstract Oxidation reactions are highly important chemical transformations that still require harsh reaction conditions and stoichiometric amounts of chemical oxidants that are often toxic. To circumvent these issues, olefins oxidation is achieved in mild conditions upon irradiation of an ...


Electroless Deposition of III–V Semiconductor Nanostructures from Ionic Liquids at Room Temperature

18.08.2015 | Abhishek Lahiri, Natalia Borisenko, Mark Olschewski, René Gustus, Janine Zahlbach, Frank Endres, Angewandte Chemie International Edition, 2015

Abstract Group III–V semiconductor nanostructures are important materials in optoelectronic devices and are being researched in energy‐related fields. A simple approach for the synthesis of these semiconductors with well‐defined nanostructures is desired. Electroless deposition (galvanic ...


Energies, Vol. 8, Pages 8775-8797: Analysis of Unit Process Cost for an Engineering-Scale Pyroprocess Facility Using a Process Costing Method in Korea

18.08.2015 | Kim, Sungki ; Ko, Wonil ; Bang, Sungsig, Energies, 2015

Pyroprocessing, which is a dry recycling method, converts spent nuclear fuel into U (Uranium)/TRU (TRansUranium) metal ingots in a high-temperature molten salt phase. This paper provides the unit process cost of a pyroprocess facility that can process up to 10 tons of pyroprocessing product per ...


Conformational Analysis of Large and Highly Disulfide-Stabilized Proteins by Integrating Online Electrochemical Reduction into an Optimized H/D Exchange Mass Spectrometry Workflow

18.08.2015 | Esben Trabjerg; Rasmus U. Jakobsen; Simon Mysling; Søren Christensen; Thomas J. D. Jørgensen; Kasper D. Rand, Analytical Chemistry, 2015

Analysis of disulfide-bonded proteins by hydrogen/deuterium exchange mass spectrometry (HDX-MS) requires effective and rapid reduction of disulfide bonds before enzymatic digestion in order to increase sequence coverage. In a conventional HDX-MS workflow, disulfide bonds are reduced chemically by ...


Preparation and characterization of cetyltrimethylammonium bromide (CTAB)-stabilized Fe3O4 nanoparticles for electrochemistry detection of citric acid

16.08.2015 | Author(s): Juan A. Ramos Guivar, Edgar Aparecido Sanches, Claudio Jose Magon, Edson G. Ramos Fernandes, Journal of Electroanalytical Chemistry, 2015

Publication date: 15 October 2015 Source:Journal of Electroanalytical Chemistry, Volume 755 Author(s): Juan A. Ramos Guivar, Edgar Aparecido Sanches, Claudio Jose Magon, Edson G. Ramos Fernandes Sensing systems containing iron oxide nanoparticles have shown high potential for ...


Layer number dependence of carrier lifetime in graphenes observed using time-resolved mid-infrared luminescence

16.08.2015 | Author(s): Hiroshi Watanabe, Tomohiro Kawasaki, Takushi Iimori, Fumio Komori, Tohru Suemoto, Chemical Physics Letters, 2015

Publication date: 16 September 2015 Source:Chemical Physics Letters, Volume 637 Author(s): Hiroshi Watanabe, Tomohiro Kawasaki, Takushi Iimori, Fumio Komori, Tohru Suemoto Femtosecond luminescence of 1-, 2-, and 6–8-layer graphenes as well as graphite (n =∞) is studied in the ...


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