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Development of a nanocomposite of polypropylene with biocide action from silver nanoparticles

16-Apr-2015 | Washington Luiz Oliani, Duclerc Fernandes Parra, Luis Filipe Carvalho Pedroso Lima, Nilton Lincopan, Ademar Benevolo ..., Journal of Applied Polymer Science, 2015

ABSTRACT This article presents the production of films based on blends of polypropylene (PP) and modified PP with the insertion of silver nanoparticles (AgNPs) produced to generate a bactericidal effect. The 50/50 blend of PP and PP modified by irradiation in acetylene at a dose of 12.5 kGy ...

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Sustainable Hydrogen Production by Ethanol Steam Reforming using a Partially Reduced Copper–Nickel Oxide Catalyst

16-Apr-2015 | Li‐Chung Chen, Hongkui Cheng, Chih‐Wei Chiang, Shawn D. Lin, ChemSusChem, 2015

Abstract Hydrogen production through the use of renewable raw materials and renewable energy is crucial for advancing its applications as an energy carrier. In this study, we fabricated a solid oxide solution of Cu and Ni within a confined pore space, followed by a partial reduction, to ...

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On the fate of hydraulic fracturing fluid additives: Thermochemical sulfate reduction reaction of sodium dodecyl sulfate

13-Apr-2015 | Author(s): Payman Pirzadeh , Shaunak Raval , Robert A. Marriott, Organic Geochemistry, 2015

Publication date: June–July 2015 Source:Organic Geochemistry, Volumes 83–84 Author(s): Payman Pirzadeh , Shaunak Raval , Robert A. Marriott Hydraulic fracturing is a key technology for unlocking shale gas resources. While the compatibility and performance of fracturing fluid additives ...

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Kinetically Inert Bispidol-Based Cu(II) Chelate for Potential Application to 64/67Cu Nuclear Medicine and Diagnosis

13-Apr-2015 | Amandine Roux; Aline M. Nonat; Jérémy Brandel; Véronique Hubscher-Bruder; Loïc J. Charbonnière, Inorganic Chemistry, 2015

A family of 2,4-pyridyl-disubstituted bispidol derivatives bearing methylene carboxylic acid ethyl esters (L1–L3), methylene carboxylic acids (L4 and L5), or methylenethiophene (L6) groups were synthesized. In water, all ligands form rigid 1:1 complexes in the presence of Zn(II) in which the ...

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Cobalt- and iron-containing nitrogen-doped carbon aerogels as non-precious metal catalysts for electrochemical reduction of oxygen

12-Apr-2015 | Author(s): Ave Sarapuu , Lars Samolberg , Kristiina Kreek , Mihkel Koel , Leonard Matisen , Kaido Tammeveski, Journal of Electroanalytical Chemistry, 2015

Publication date: 1 June 2015 Source:Journal of Electroanalytical Chemistry, Volume 746 Author(s): Ave Sarapuu , Lars Samolberg , Kristiina Kreek , Mihkel Koel , Leonard Matisen , Kaido Tammeveski Nitrogen-doped carbon aerogels containing transition metals have been used as ...

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Ethanol electro-oxidation reaction using a polycrystalline nickel electrode in alkaline media: Temperature influence and reaction mechanism

12-Apr-2015 | Author(s): A.F.B. Barbosa , V.L. Oliveira , J. van Drunen , G. Tremiliosi-Filho, Journal of Electroanalytical Chemistry, 2015

Publication date: 1 June 2015 Source:Journal of Electroanalytical Chemistry, Volume 746 Author(s): A.F.B. Barbosa , V.L. Oliveira , J. van Drunen , G. Tremiliosi-Filho Mechanistic and kinetic details of the ethanol oxidation reaction using a nickel electrode in sodium hydroxide solution ...

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IJMS, Vol. 16, Pages 7932-7943: Promotion of Ni2+ Removal by Masking Toxicity to Sulfate-Reducing Bacteria: Addition of Citrate

09-Apr-2015 | Qian, Junwei ; Zhu, Xiaoyu ; Tao, Yong ; Zhou, Yan ; He, Xiaohong ; Li, Daping, International Journal of Molecular Sciences, 2015

The sulfate-reducing bioprocess is a promising technology for the treatment of heavy metal-containing wastewater. This work was conducted to investigate the possibility of promoting heavy metal removal by the addition of citrate to mask Ni2+ toxicity to sulfate-reducing bacteria (SRB) in batch ...

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Characterization of HA/FHA Coatings on Smooth and Rough Implant Surface by Pulsed Electrodeposition

08-Apr-2015 | Fatima Bir, Hafit Khireddine, Dalila Ksouri, Hicham Benhayoune, Anthony Maho, International Journal of Applied Ceramic Technology, 2015

In this work, hydroxyapatite (HA) and fluorohydroxyapatite (FHA) coatings have been successfully synthesized with an electrochemical deposition method, using pulsed current deposition mode on smooth and rough 316L stainless steel implant surfaces. The impact of the variation of the current ...

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Effect of Multiwalled Carbon Nanotubes on the Kinetics of the Aniline Polymerization: The Semi-Quantitative OCP Approach

07-Apr-2015 | Nikolay A. Ogurtsov; Yuriy V. Noskov; Alexander A. Pud, Journal of Physical Chemistry B, 2015

We demonstrate applicability of the open-circuit potential (OCP) method for kinetic analysis of the oxidative chemical polymerization of aniline both in clear solution and in dispersions of multiwalled carbon nanotubes (MWCNT). The characteristic points and the shape of the OCP profile are used ...

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Molecules, Vol. 20, Pages 5889-5907: Formulations, Hemolytic and Pharmacokinetic Studies on Saikosaponin a and Saikosaponin d Compound Liposomes

03-Apr-2015 | Zhang, Guo-Song ; Hu, Peng-Yi ; Li, Dong-Xun ; He, Ming-Zhen ; Rao, Xiao-Yong ; Luo, Xiao-Jian ; Wang, Yue-Sheng ; W ..., Molecules, 2015

The aim of this study was to develop and optimise a saikosaponin a and saikosaponin d compound liposome (SSa-SSd-Lip) formulation with reduced hemolysis and enhanced bioavailability. A screening experiment was done with Plackett–Burman design, and response surface methodology of five factors ...

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