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H. Ardiyanti, D. Puspitarum, O. F. Maryana, W. A. Pujakesuma
Pág. 197 - 200
This article reports the results synthesis of composite Fe3O4/SiO2 and nanoparticles from natural resources (sugarcane bagasse). The synthesis of Fe3O4 and SiO2 nanoparticles used co-precipitation and sol-gel methods with SiO2 from sugarcane bagasse as a...
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Heng Li, Junpeng Hua, Ranran Li, Yan Zhang, Huanhuan Jin, Shijing Wang and Guoyin Chen
Since ferric tetroxide (Fe3O4) has strong magnetic properties, coating amorphous silica (SiO2) with Fe3O4 nanoparticles can protect the magnetic Fe3O4 particles and form a new magnetic adsorbent with a core?shell structure and small pore size, the strong...
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Cristian E. Botez and Alex D. Price
We used ac-susceptibility to measure the blocking temperature, TB, and energy barrier to the magnetization reversal, EB, of nanomagnetic fluids of different concentrations, c. We collected data on five samples synthesized by dispersing Fe3O4 nanoparticle...
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Chizya Chibulu, Mert Yücel Yardimci and Geert De Schutter
Active rheology control (ARC) or active stiffening control (ASC) is a concept with which the conflicting rheological requirements during different stages of concrete casting can be reconciled. For instance, formwork leakage could be reduced by actively c...
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Carmen Stavarache, Mircea Vinatoru and Timothy Mason
Microcapsules consisting of eleven layers of polyelectrolyte and one layer of iron oxide nanoparticles were fabricated. Two types of nanoparticles were inserted as one of the layers within the microcapsule?s walls: Fe2O3, ferric oxide, having a mean diam...
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Yan Zhao, Fei Luo and Rui Zhou
In this study, Fe3O4 magnetic nanoparticles (MNPs) were loaded on a-MnO2 nanowires using an improved hydrothermal synthesis method combined with an ultrasonic coprecipitation method, the loading ratio was optimized, the efficiency of the prepared Fe3O4/a...
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Areum Lee, Chinnasamy Veerakumar and Honghyun Cho
This paper discusses the forced convective heat transfer characteristics of water?ethylene glycol (EG)-based Fe3O4 nanofluid and Fe3O4?MWCNT hybrid nanofluid under the effect of a magnetic field. The results indicated that the convective heat transfer co...
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Dongmei He, István T. Horváth
Pág. 1 - 11
The functionalized Shvo?s catalyst precursor {3,4-[p-(EtO)3Si(CH2)3OPh]2-2,5-Ph2(?4-C4CO)}Ru(CO)3 (1) was covalently immobilized to the surface of magnetic nanoparticles, MNPs, including magnetite (Fe3O4) and magnetite covered by one, two and three indep...
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Steffy J. Arteaga-Díaz, Samir I. Meramo-Hurtado, Jeffrey León-Pulido, Antonio Zuorro and Angel D. González-Delgado
Nanoparticles are materials with special properties that can be applied in different fields, such as medicine, engineering, food industry and cosmetics. The contributions regarding the synthesis of different types of nanoparticles have allowed researcher...
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Qian Li, Xiaojun Liu, Zhen Lu, Wenjun Yang, Zili Lei and Ming Chang
In this study, covalent conjugation of thrombolytic drug urokinase to water-soluble magnetic nanoparticles (NPs) is proposed to enhance the efficiency of thrombolysis. Hydrophobic NPs of oleic acid (OA)-coated Fe3O4 are first synthesized and then surface...
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