نتایج جستجو برای: 1 and 2 wt nps fe
تعداد نتایج: 17518846 فیلتر نتایج به سال:
Wound infection is considered a significant challenge in skin injuries. Sprayable antibacterial wound dressings are interesting alternatives to their traditional counterparts because of facile preparation, ease-of-use, and the possibility topical delivery materials. Herein, novel sprayable formulated reported. The were developed by in-situ formation Ag-nanoparticles (Ag-NPs) using Persian gum (...
The diagnosis of malignant brain gliomas is largely based on magnetic resonance imaging (MRI) with contrast agents. In recent years, nano-sized contrast agents have been developed for improved MRI diagnosis. In this study, oleylamine-coated Fe3O4 magnetic nanoparticles (OAM-MNPs) were synthesized with thermal decomposition method and encapsulated in novel amphiphilic poly(aminoethyl ethylene ph...
Nanoplastics (NPs) are widely concerned because of their potential adverse effects on marine organisms. However, the detection and quantification NPs challenging due to small size weak signals. In this study, ac-cumulation Pd-doped polystyrene (PS) in digestive tract Sebastes schlegelii was investigated by an inductively coupled plasma mass spectrometer (ICP-MS). Results showed that could be ac...
In this paper, 2wt.% Fe doped TiO2 nanopowder was prepared by a combination of sol-gel and mechanical alloying methods. The mechanical alloying of Fe powder with Ti(OH)4 gel produced from the sol-gel method was used to produce Fe doped TiO2 nanopowder. The synthesized samples were characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM) and diffuse reflectan...
We have designed a novel hybrid nanostructure by coating Fe₂O₃ nanoparticles with multi-walled carbon nanotubes to enhance the lithium storage capability of Fe₂O₃. The strategy to prepare Fe₂O₃@MWCNTs involves the synthesis of Fe nanoparticles wrapped in MWCNTs, followed by the oxidation of Fe nanoparticles under carbon dioxide. When used as the anode in a Li-ion battery, this hybrid material (...
In the present work, four polymeric nanocomposite PNC coatings were prepared with different concentrations of yttrium aluminum garnet nanoparticles YAG-NPs in polyvinyl butyral PVB matrix. The corrosion protection of the PNC coatings applied on the carbon steel surface was investigated in 1.0 M HCl solution by electrochemical impedance spectroscopy EIS. The YAG-NPs were synthesized by pulse ele...
Abstract Effect of titania nanoparticles modified with 3 wt% [3‐(methacrylloxy)propyl]trimethoxysilane (m‐TiO 2 NPs) and zirconia (3‐glycidyloxypropyl)triethoxysilane (m‐ZrO on properties morphology acrylic emulsion polymer coating was investigated. With suitable weight ratio m‐TiO /m‐ZrO NPs, the could be improved abrasion resistance, weather durability, reflectance index (400–1400 nm) as well...
although cu and fe are immiscible under equilibrium conditions, they can form supersaturated solid solutions by mechanical alloying. in this paper, nano-structured of the metastable cu-fe phase containing 10, 15, 20 and 25% wt fe were synthesized by intensive ball milling for 15h, in order to achieve a solid solution of fe in cu. the phase composition, dissolution of the fe atoms into the cu ma...
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