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Gamma-irradiation synthesis of iron oxide nanoparticles in the presence of PEO, PVP or CTAB

24-Apr-2016 | Author(s): Tanja Jurkin, Marijan Gotić, Goran Štefanić, Irina Pucić, Radiation Physics and Chemistry, 2016

Publication date: July 2016 Source:Radiation Physics and Chemistry, Volume 124 Author(s): Tanja Jurkin, Marijan Gotić, Goran Štefanić, Irina Pucić Black hydrogels were synthesized using γ-irradiation of poly(ethylene oxide) (PEO)/iron(III) chloride precursor solutions. The magnetic ...


Detection and Quantification of Silver Nanoparticles at Environmentally Relevant Concentrations Using Asymmetric Flow Field–Flow Fractionation Online with Single Particle Inductively Coupled Plasma Mass Spectrometry

22-Apr-2016 | Khanh An Huynh; Emily Siska; Edward Heithmar; Soheyl Tadjiki; Spiros A. Pergantis, Analytical Chemistry, 2016

The presence of silver nanoparticles (AgNPs) in aquatic environments could potentially cause adverse impacts on ecosystems and human health. However, current understanding of the environmental fate and transport of AgNPs is still limited because their properties in complex environmental samples ...


Size‐Controlled Formation of Noble‐Metal Nanoparticles in Aqueous Solution with a Thiol‐Free Tripeptide

21-Apr-2016 | Stefano Corra, Urszula Lewandowska, Edmondo M. Benetti, Helma Wennemers, Angewandte Chemie International Edition, 2016

Abstract A combinatorial screening revealed the peptide H‐His‐d‐Leu‐d‐Asp‐NH2 (1) as an additive for the generation of monodisperse, water‐soluble palladium nanoparticles with average diameters of 3 nm and stabilities of over 9 months. The tripeptide proved to be also applicable for the ...


Solution‐Based Fabrication of Narrow‐Disperse ABC Three‐Segment and Θ‐Shaped Nanoparticles

13-Apr-2016 | Zhen Zhang, Changming Zhou, Haiyan Dong, Daoyong Chen, Angewandte Chemie International Edition, 2016

Abstract Nanoparticles sized tens of nm with not only a highly complex but also a highly regular nanostructure, although ubiquitous in nature, are very difficult to prepare artificially. Herein, we report efficient solution‐based preparation of narrow‐disperse ABC three‐segment hierarchical ...


In-situ pore-forming alginate hydrogel beads loaded with in-situ formed nano-silver and their catalytic activity

13-Apr-2016 | Qin Wang; Shanshan Liu; Hong Wang; Yajiang Yang, Physical Chemistry Chemical Physics, 2016

An aqueous mixture of sodium carbonate (Na2CO3) and sodium alginate (Na-ALG) was dropwise added into an aqueous solution of Ca(NO3)2, leading to the formation of calcium alginate (Ca-ALG) hydrogel beads. Meanwhile Na2CO3 as a pore-forming precursor was transformed in-situ to CaCO3 nanoparticles ...


Inhibition of Photodegradation of Highly Dispersed Folic Acid Nanoparticles by the Antioxidant Effect of Transglycosylated Rutin

12-Apr-2016 | Kazunori Kadota; Kumi Semba; Ryosuke Shakudo; Hideyuki Sato; Yuto Deki; Yoshiyuki Shirakawa; Yuichi Tozuka, Journal of Agricultural and Food Chemistry, 2016

We developed highly dispersible and photostable nanoparticles of vitamin, folic acid (FA). FA was wet bead milled with milling and dispersing adjuvants and transglycosylated compounds such as α-glucosyl hesperidin (Hesperidin-G) and rutin (Rutin-G), which solubilized FA. The milled slurries of FA ...


Temperature Response of Rhodamine B-Doped Latex Particles. From Solution to Single Particles

12-Apr-2016 | Antonin Soleilhac; Marion Girod; Philippe Dugourd; Béatrice Burdin; Julien Parvole; Pierre-Yves Dugas; François Baya ..., Langmuir, 2016

Nanoparticle-based temperature imaging is an emerging field of advanced applications. Herein, the sensitivity of the fluorescence of rhodamine B-doped latex nanoparticles toward temperature is described. Submicrometer size latex particles were prepared by a surfactant-free emulsion polymerization ...


Materials, Vol. 9, Pages 282: Sol-Gel Synthesis of Carbon Xerogel-ZnO Composite for Detection of Catechol

12-Apr-2016 | Li, Dawei ; Zang, Jun ; Zhang, Jin ; Ao, Kelong ; Wang, Qingqing ; Dong, Quanfeng ; Wei, Qufu, Materials, 2016

Carbon xerogel-zinc oxide (CXZnO) composites were synthesized by a simple method of sol-gel condensation polymerization of formaldehyde and resorcinol solution containing zinc salt followed by drying and thermal treatment. ZnO nanoparticles were observed to be evenly dispersed on the surfaces of ...


Nature-Inspired, Highly Durable CO2 Reduction System Consisting of a Binuclear Ruthenium(II) Complex and an Organic Semiconductor Using Visible Light

12-Apr-2016 | Ryo Kuriki; Hironori Matsunaga; Takuya Nakashima; Keisuke Wada; Akira Yamakata; Osamu Ishitani; Kazuhiko Maeda, Journal of the American Chemical Society, 2016

A metal-free organic semiconductor of mesoporous graphitic carbon nitride (C3N4) coupled with a Ru(II) binuclear complex (RuRu′) containing photosensitizer and catalytic units selectively reduced CO2 into HCOOH under visible light (λ > 400 nm) in the presence of a suitable electron donor with ...


The effect of Pt nanoparticles distribution on the removal of cyanide by TiO2 coated Al-MCM-41 in blue light exposure

10-Apr-2016 | Author(s): Mohammad W. Kadi, A. Hameed, R.M. Mohamed, Iqbal M.I. Ismail, Yaser Alangari, Hui-Ming Cheng, Arabian Journal of Chemistry, 2016

Publication date: Available online 15 February 2016 Source:Arabian Journal of Chemistry Author(s): Mohammad W. Kadi, A. Hameed, R.M. Mohamed, Iqbal M.I. Ismail, Yaser Alangari, Hui-Ming Cheng With an aim to enhance the photocatalytic activity, Pt loaded TiO2–Al-MCM-41 catalysts ...


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