نتایج جستجو برای: cuo nanoparticles

تعداد نتایج: 110282  

Background: The incidence of foodborne infectious diseases has been stable and even increased in many countries. Improper use of antibiotics due to the prevalence of microbial diseases has caused drug resistance. So nanotechnology has many attractive applications in the food industry, such as food preservation and food quality control. By the reason, the absorptive and antibacterial features of...

2012
Chia-Ying Chiang Sheryl H. Ehrman

Title of Document: COPPER OXIDE NANOARCHITECTURES FOR PHOTOELECTROCHEMICAL HYDROGEN GENERATION Chia-Ying Chiang, Doctor of Philosophy, 2012 Directed By: Professor Sheryl H. Ehrman, Department of Chemical and Biomolecular Engineering Hydrogen is a high-quality energy carrier, similar to electricity, which can be used with high efficiency and near-zero emissions at the point of use. The most prom...

2018
Ting Xu Wen Jin Zhenzhen Wang Haiyan Cheng Xinhua Huang Xiaoyu Guo Ye Ying Yiping Wu Feng Wang Ying Wen Haifeng Yang

A non-invasive method for detecting glucose is pursued by millions of diabetic patients to improve their personal management of blood glucose. In this work, a novel CuO nanoparticles (NPs) decorated polycaprolactone@polypyrrole fibers modified indium-tin oxide (denoted as CuO/PCL@PPy/ITO) electrode has been fabricated by electrospinning combined with the electrodeposition method for non-enzymat...

2007
JianQuan Qi HuYong Tian LongTu Li HelenLaiWah Chan

Here we report a very simple method to convert conventional CuO powders to nanoparticle interlinked microsphere cages by solution method. CuO is dissolved into aqueous ammonia, and the solution is diluted by alcohol and dip coating onto a glass substrate. Drying at 80 C, the nanostructures with bunchy nanoparticles of Cu(OH)2 can be formed. After the substrate immerges into the solution and we ...

In recent years, fabrication of metal oxide nanoparticles is intensively gaining the interest of various chemists as well as biochemist due to their applications in different fields. Among all the transition metal oxides, CuO and ZnO are the important metal oxide nanoparticles exhibiting tremendous properties and a wide range of applications. Both CuO and ZnO nanoparticles were prepared by comb...

2014
Ke Liu Yang Song Shaowei Chen

Stable alkyne-capped copper nanoparticles were prepared by chemical reduction of copper acetate with sodium borohydride in the presence of alkyne ligands. Transmission electron microscopic measurements showed that nanoparticles were well dispersed with a diameter in the range of 4e6 nm. FTIR and photoluminescence spectroscopic measurements confirmed the successful attachment of the alkyne ligan...

2015
Maryam Shafagh Fatemeh Rahmani Norouz Delirezh

OBJECTIVES This study focused on determining cytotoxic effects of copper oxide nanoparticles (CuO NPs) on chronic myeloid leukemia (CML) K562 cell line in a cell-specific manner and its possible mechanism of cell death. We investigated the cytotoxicity of CuO NPs against K562 cell line (cancerous cell) and peripheral blood mononuclear cell (normal cell). MATERIALS AND METHODS The toxicity was...

Journal: :Mutagenesis 2013
Sebastiano Di Bucchianico Maria Rita Fabbrizi Superb K Misra Eugenia Valsami-Jones Deborah Berhanu Paul Reip Enrico Bergamaschi Lucia Migliore

In nanotoxicology, the capacity of nanoparticles of the same composition but different shape to induce cytotoxicity and genotoxicity is largely unknown. A series of cytotoxic and genotoxic responses following in vitro exposure to differently shaped CuO nanoparticles (CuO NPs, mass concentrations from 0.1 to 100 μg/ml) were assessed in murine macrophages RAW 264.7 and in peripheral whole blood f...

2018
Khalid E Alzahrani Abdurahman A Niazy Abdullah M Alswieleh Rizwan Wahab Ahmed M El-Toni Hamdan S Alghamdi

Background The increasing resistance of pathogenic bacteria to antibiotics is a challenging worldwide health problem that has led to the search for new and more efficient antibacterial agents. Nanotechnology has proven to be an effective tool for the fight against bacteria. Methods In this paper, we present the synthesis and traits of trimetal (CuZnFe) oxide nanoparticles (NPs) using X-ray di...

Journal: :nanomedicine journal 0
sayedeh fatemeh shaffiey department of natural resources, savadkooh branch, islamic azad university, savadkooh, iranسازمان اصلی تایید شده: دانشگاه آزاد اسلامی علوم و تحقیقات (islamic azad university science and research branch) maryam shapoori department of natural resources, savadkooh branch, islamic azad university, savadkooh, iranسازمان اصلی تایید شده: دانشگاه آزاد اسلامی علوم و تحقیقات (islamic azad university science and research branch) abbas bozorgnia department of fishery, qaemshahr, branch, islamic azad university, qaemshahr, iranسازمان اصلی تایید شده: دانشگاه آزاد اسلامی علوم و تحقیقات (islamic azad university science and research branch) mohammad ahmadi department of natural resources, savadkooh branch, islamic azad university, savadkooh, iranسازمان اصلی تایید شده: دانشگاه آزاد اسلامی علوم و تحقیقات (islamic azad university science and research branch)

objective(s): cuo is one of the most important transition metal oxides due to its captivating properties. it is used in various technological applications such as high critical temperature superconductors, gas sensors, in photoconductive applications, and so on. recently, it has been used as an antimicrobial agent against various bacterial species. materials and methods: here, we synthesized cu...

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