نتایج جستجو برای: zinc oxide nano particles
تعداد نتایج: 428694 فیلتر نتایج به سال:
The goal of the current research was to synthesis zinc oxide nano-particles (ZnONPs) via simple, cheap and eco-friendly method which include reduction acetate dehydrate ZnONPs by using black currant aqueous extract (BC) as a reducing-agent. characterization stability, size, morphology, present functional groups on surface synthesized ZnOBCNPs were achieved SEM, X–ray diffraction, FTIR spectrosc...
the use of an inorganic phase in water-in-oil (w/o) microemulsion has recently received considerable attention for preparing metal oxide nanoparticles. this is a technique, which allows preparation of ultrafine metal oxide nanoparticles within the size range 40 to 80 nm. preparation of nano chromium (iii) oxide studied investigated in the inverse microemulsion system. therefore the nucleation o...
Abstract Background Nano-particles of metals can be routinely synthesized. The cereal seeds treatment with the particles improve early growth and crop production. Moreover, is robust economical. Methods Metal (Fe 0 , Cu Co ), zinc oxide (ZnO) chitosan-stabilized silver nano-particles were synthesized applied to seeds. germination rate, plant development inhibition effects on pathogenic fungi qu...
wood is a naturally renewable material with both continuous and isolated pore systems. wood-composite panels have the privilege of offering a homogeneous structure to be used as constructional and structural materials. however, its nature makes it susceptible to biological wood-deteriorating agents, water absorption and thickness swelling, fire, etc. using nano-materials are very easy in the wo...
ZnO/SiO2 was prepared using sol-gel method, and vanadium particles were loaded on this nano-photocatalyst by wet incipient method. They characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive (EDX) analysis andFouriertransform infrared spectroscopy (FT-IR). The XRD patterns showed that the zinc oxide samples have a wurtzite structure and vanadium dope...
The objective of this study was to evaluate effects of zinc oxide nanoparticles (nano-ZnOs) as a substitute for colistin sulfate (CS) and/or zinc oxide (ZnO) on growth performance, serum enzymes, zinc deposition, intestinal morphology and epithelial barrier in weaned piglets. A total of 216 crossbred Duroc×(Landrace×Yorkshire) piglets weaned at 23 days were randomly assigned into 3 groups, whic...
interpenetrating polymer networks (ipn) were formed involving hydrophobic polybutyl acrylate (pba) and hydrophilic poly hydroxyethyl acrylate (phea). pba prepolymer was first formed in presence of ferric oxide nanoparticles (
The increasing industrial application of metal oxide Engineered Nano-Particles (ENPs) is likely to increase their environmental release to soils. While the potential of metal oxide ENPs as environmental toxicants has been shown, lack of suitable control treatments have compromised the power of many previous assessments. We evaluated the ecotoxicity of ENP (nano) forms of Zn and Cu oxides in two...
BACKGROUND Rice as a renewable, abundant bio-resource with unique characteristics can be used as a bio-template to synthesize various functional nanomaterials. Therefore, the effect of uncooked rice flour as bio-template on physico-chemical properties, especially the morphology of zinc oxide nanostructures was investigated in this study. The ZnO particles were synthesized through hydrothermal-b...
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