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Showing 1-30 of 49 results for "203130" within Papers
Elisa Moschini et al.
Toxicology letters, 222(2), 102-116 (2013-08-03)
Metal oxide NPs are abundantly produced in nanotech industries and are emitted in several combustion processes, suggesting the need to characterize their toxic impact on the human respiratory system. The acute toxicity and the morphological changes induced by copper oxide
Hooshang Parham et al.
Talanta, 114, 90-94 (2013-08-21)
This study introduces a novel method of solid phase extraction (SPE), preconcentration and HPLC determination of 2-mercaptobenzimidazole (2MBI), 2-mercaptobenzoxazole (2MBO) and 2-mercaptobenzothiazole (2MBT) from an aqueous solution by a SPE cartridge loaded with copper oxide nanoparticles. Results demonstrated that copper
Guangliang Cui et al.
Scientific reports, 3, 1250-1250 (2013-02-15)
Heterostructure material that acts as resonant tunneling system is a major scientific challenge in applied physics. Herein, we report a resonant tunneling system, quasi-2D Cu(2)O/SnO(2) p-n heterostructure multi-layer film, prepared by electrochemical deposition in a quasi-2D ultra-thin liquid layer. By
Auriane Fifame Oussou-Azo et al.
Nanomaterials (Basel, Switzerland), 10(5) (2020-05-28)
Copper has been used as an antimicrobial agent for over a century and is now being added to commercial fungicides. Nanomaterials have attracted much attention due to the special properties they have over their bulk form. We studied nanostructured copper
Vinod Vellora Thekkae Padil et al.
International journal of nanomedicine, 8, 889-898 (2013-03-08)
Copper oxide (CuO) nanoparticles have attracted huge attention due to catalytic, electric, optical, photonic, textile, nanofluid, and antibacterial activity depending on the size, shape, and neighboring medium. In the present paper, we synthesized CuO nanoparticles using gum karaya, a natural
Junjing Zhao et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(44), 17774-17777 (2013-10-09)
The energy gap for electronic excitations is one of the most important characteristics of the superconducting state, as it directly reflects the pairing of electrons. In the copper-oxide high-temperature superconductors (HTSCs), a strongly anisotropic energy gap, which vanishes along high-symmetry
Sumanta Kumar Meher et al.
Nanoscale, 5(5), 2089-2099 (2013-02-06)
In the quest to enhance the selectivity and sensitivity of novel structured metal oxides for electrochemical non-enzymatic sensing of glucose, we report here a green synthesis of unique sandwich-structured CuO on a large scale under microwave mediated homogeneous precipitation conditions.
Pierre-Emmanuel Buffet et al.
Environmental science & technology, 47(3), 1620-1628 (2012-12-18)
The fate and effects of CuO nanoparticles (CuO NPs) were examined in endobenthic species (Scrobicularia plana , Hediste diversicolor), under environmentally realistic conditions in outdoor mesocosms (exposure to Cu at 10 Ī¼g L(-1) in particulate (CuO NPs) or soluble salt
Sean P Berglund et al.
Physical chemistry chemical physics : PCCP, 15(13), 4554-4565 (2013-02-20)
A new dispenser and scanner system is used to create and screen Bi-M-Cu oxide arrays for cathodic photoactivity, where M represents 1 of 22 different transition and post-transition metals. Over 3000 unique Biā:āMā:āCu atomic ratios are screened. Of the 22
A S Moskvin
Journal of physics. Condensed matter : an Institute of Physics journal, 25(8), 085601-085601 (2013-02-01)
Disproportionation in 3d compounds can give rise to an unconventional electron-hole Bose liquid with a very rich phase diagram, from a Bose metal, to a charge ordering insulator and an inhomogeneous Bose-superfluid. Optimal conditions for disproportionation driven high-T(c) superconductivity are
Sh Sohrabnezhad et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 114, 298-302 (2013-06-20)
The Mobil Composition of Matter No. 41 (MCM-41) containing 1.0 and 5.0 wt.% of Cu was synthesized under solid state reaction. The calcinations of samples were done at two different temperatures, 500 and 300Ā°C. X-ray diffraction (XRD), UV-Vis diffuse reflectance
Chengyi Hou et al.
Nanoscale, 5(3), 1227-1232 (2013-01-11)
We report a Cu(2)O nanocrystal-reduced graphene oxide hybrid that is dispersible in water and has anticancer activity under both visible and near-infrared light irradiation. In contrast to the highly efficient killing of both normal and cancer cells initiated by the
Kaja Kasemets et al.
Chemical research in toxicology, 26(3), 356-367 (2013-01-24)
A suite of eight tentatively oxidative stress response-deficient Saccharomyces cerevisiae BY4741 single-gene mutants (sod1Ī, sod2Ī, yap1Ī, cta1Ī, ctt1Ī, gsh1Ī, glr1Ī, and ccs1Ī) and one copper-vulnerable mutant (cup2Ī) was used to elucidate weather the toxicity of CuO nanoparticles to S. cerevisiae
Sher Bahadar Khan et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 106, 231-235 (2013-02-13)
Sensor technology is a talented progression in the fundamental science and has vital role in the environmental and health monitoring. A lot of sensor materials with different sensitivities have been exposed but the prospective for industrial development as sensors and
Ali Fakhri
Ecotoxicology and environmental safety, 104, 386-392 (2014-03-19)
The present study was undertaken to develop an effective adsorbent and to study the adsorption of Ethidium bromide and Ethidium monoazide bromide from aqueous solution using the CuO nanoparticles. The characteristics of CuO nanoparticles were determined and found to have
Z H Ibupoto et al.
Materials science & engineering. C, Materials for biological applications, 33(7), 3889-3898 (2013-08-06)
In this study, we have successfully synthesised CuO bundle of nanowires using simple, cheap and low temperature hydrothermal growth method. The growth parameters such as precursor concentration and time for duration of growth were optimised. The field emission scanning electron
Lihong Zhu et al.
Journal of nanoscience and nanotechnology, 13(7), 5104-5108 (2013-08-02)
Improving photocatalytic activity and stability of TiO2/Cu2O composite is a challenge in generating hydrogen from water. In this paper, the TiO2 film/Cu2O microgrid composite was prepared via a microsphere lithography technique, which possesses a remarkable performance of producing H2 under
Hongwen Huang et al.
Nanoscale, 5(5), 1785-1788 (2013-01-31)
A facile, flexible and large-scale technique was proposed to prepare a CuO-CNT 3D-network composite with the aid of electrostatic interactions in aqueous solution. The composite greatly improves the electrochemical performance. At a rate of 0.1 C, the cycling discharge capacity
Lisha Zhou et al.
Nanoscale, 5(4), 1564-1569 (2013-01-18)
Stable Cu(2)O nanocrystals of around 3 nm were uniformly and densely grown on functionalized graphene sheets (FGS), which act as molecular templates instead of surfactants for controlled nucleation; the distribution density of nanocrystals can be easily controlled by FGS with
Xiao Jiang et al.
Environmental technology, 34(5-8), 591-598 (2013-07-11)
In order to establish a desirable method for NO reduction, selective catalytic reduction (SCR) of NO by urea-CeO2/ACF and urea-CeO2-CuO/ACF was carried out at room temperature. The experimental results showed that 10% urea-9% CeO2/ACF could yield the highest NO conversion
Rui-Tang Guo et al.
Environmental technology, 35(13-16), 1766-1772 (2014-06-25)
CeO2-CuO/Al2O3 catalysts were prepared by three different methods and their activities for selective catalytic reduction (SCR) of NO with NH3 were investigated. As can be seen from the experimental results, the catalyst prepared by the single-step sol-gel (SG) method showed
Wenxia Liu et al.
Environmental science and pollution research international, 20(8), 5569-5576 (2013-02-27)
Polychlorinated diphenyl ether (PCDE) has attracted great attention recently as an important type of environmental pollutant. The influence of iron and copper oxides on formation of PCDEs was investigated using laboratory-scale flow reactors under air and under nitrogen at 350
Chemiluminescent cholesterol sensor based on peroxidase-like activity of cupric oxide nanoparticles.
Lei Hong et al.
Biosensors & bioelectronics, 43, 1-5 (2013-01-01)
A chemiluminescent cholesterol sensor with good selectivity and enhanced sensitivity was constructed based upon the peroxidase-like activity of cupric oxide nanoparticles. Cupric oxide nanoparticles can catalyze the oxidation of luminol by H2O2, which was produced by the reaction of cholesterol
Santosh Ranjan Mohanty et al.
Environmental monitoring and assessment, 186(6), 3743-3753 (2014-02-08)
There is worldwide concern over the increase use of nanoparticles (NPs) and their ecotoxicological effect. It is not known if the annual production of tons of industrial nanoparticles (NPs) has the potential to impact terrestrial microbial communities, which are so
Kuppusamy Swaminathan Suganthi et al.
Journal of nanoscience and nanotechnology, 14(6), 4602-4607 (2014-04-18)
Experiments were performed on the preparation and characterization of CuO-propylene glycol nanofluids. The influence of nanoparticle concentration and temperature on nanofluid viscosity reveals existence of a range of nanoparticle concentration and temperature in which the viscosity of nanofluid is lower
Jun Xia et al.
Biomedical and environmental sciences : BES, 26(9), 742-749 (2013-10-09)
To study the biological effects of nanoscale copper oxide (nCuO), zinc oxide (nZnO), cerium dioxide (nCeO2) and their mixtures on Carassius auratus. Juvenile fish (Carassius auratus) were exposed to aqueous suspensions of nCuO, nZnO, and nCeO2 (alone and in mixtures)
Felix Bulcke et al.
Nanotoxicology, 8(7), 775-785 (2013-07-31)
To test for consequences of an exposure of brain cells to copper oxide nanoparticles (CuO-NPs), we synthesised and characterised dimercaptosuccinate-coated CuO-NPs. These particles had a diameter of around 5 nm as determined by transmission electron microscopy, while their average hydrodynamic
Qiao bao Zhang et al.
Nanotechnology, 24(6), 065602-065602 (2013-01-24)
Reversible superhydrophobic and superhydrophilic surfaces based on porous substrates covered with CuO nanowires are developed in this study. A facile thermal oxidation method is used to synthesize non-flaking bicrystalline CuO nanowires on porous copper substrates in static air. The effects
Gloria Isani et al.
Ecotoxicology and environmental safety, 97, 40-46 (2013-08-13)
This study compared the toxicity and accumulation of two different Cu compounds, CuO nanoparticles (NPs) and soluble CuSO4, in erythrocytes and different tissues in rainbow trout (Oncorhynchus mykiss). The crystal structure of CuO NP analysed by XRD indicates that the
Wei Jian Foo et al.
Nanoscale, 5(2), 759-764 (2012-12-12)
Here we have demonstrated the preparation of high-quality, monodispersed and tunable phases of Cu nanoparticles. Structural and chemical composition studies depict the evolution of Cu-Cu(2)O-CuO nanoparticles at various process stages. The loading of Cu and Cu oxide nanoparticles on TiO(2)
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