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Showing 1-30 of 142 results for "14027" within Papers
N A Ibahim et al.
Carbohydrate polymers, 97(2), 537-545 (2013-08-06)
The present work opens up a novel strategy for the development of new multifunctional cellulosic pigment prints. The developed process aims at modifying the solvent-free pigment printing formulations via inclusion of certain inorganic nano materials namely silver (Ag-NPs), zinc oxide
Raquel López Fernández et al.
Environmental technology, 35(13-16), 2068-2074 (2014-06-25)
This study focuses on the performance of a submerged membrane photocatalytic reactor for the removal of 17beta-oestradiol (E2) in the presence of humic acid (HA). In addition to the impact of operating parameters, such as membrane pore size, ultraviolet (UV)
Mphilisi M Mahlambi et al.
Journal of nanoscience and nanotechnology, 13(7), 4934-4942 (2013-08-02)
Metal-doped anatase nanosized titania photocatalysts were successfully synthesized using a sol-gel process. Different amounts of the dopants (0.2, 0.4, 0.6, 0.8 and 1.0%) of the metals (Ag, Ni, Co and Pd) were utilized. The UV-Vis spectra (solid state diffuse reflectance
Jiangxue Wang et al.
Journal of nanoscience and nanotechnology, 13(6), 3874-3879 (2013-07-19)
Nanoscale materials (such as TiO2, hydroxyapatite nanoparticles) have gained much concern in the coating of implants for cell adhesion and growth to improve the osteoconductivity. However, due to attrition and corrosion, the wear particles would be generated from the joint
Friederike Folttmann et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 88(3), 931-938 (2014-12-03)
A spatial filtering velocimetry (SFV) probe was applied to monitor the increase in particle size during pellet Wurster coating processes in-line. Accuracy of the in-line obtained pellet sizes was proven by at-line performed digital image analysis (DIA). Regarding particle growth
Florian Mallevre et al.
Environmental pollution (Barking, Essex : 1987), 195, 218-225 (2014-09-28)
Bacteria based ecotoxicology assessment of manufactured nanoparticles is largely restricted to Escherichia coli bioreporters in laboratory media. Here, toxicity effects of model OECD nanoparticles (Ag NM-300K, ZnO NM-110 and TiO2 NM-104) were assessed using the switch-off luminescent Pseudomonas putida BS566::luxCDABE
Zumdahl.SS and DeCoste.JD
Introductory Chemistry, (7) (2010)
Jianye Song et al.
Journal of nanoscience and nanotechnology, 14(6), 4649-4654 (2014-04-18)
A single-source ZnTi-layered double hydroxide precursor was used to prepare single phase Zn2TiO4. This approach involves two steps: the calcination of a ZnTi-layered double hydroxide precursor and selective leaching zinc oxide from the resultant calcined products. The materials were characterized
Amirhossein Tavangar et al.
Journal of biomedical nanotechnology, 9(11), 1837-1846 (2013-09-26)
The current challenge in tissue engineering is to design a platform that can provide appropriate topography and suitable surface chemistry to encourage desired cellular activities and to guide 3-D tissue regeneration. Compared with traditional cell culture materials, 3-D nanofibrous platforms
Stanely Makumire et al.
Toxicology letters, 227(1), 56-64 (2014-03-19)
Nanoparticles that are made from zinc and titanium oxide have found widespread applications, including their use in sunscreens. However, there is little information regarding their effects on immune cells. In the current study, we synthesized charge stabilized and "ligand free"
Xuyang Liu et al.
Environmental pollution (Barking, Essex : 1987), 184, 570-578 (2013-11-05)
Surface transformation can affect the stability, reactivity, and toxicity of titanium dioxide (TiO2) nanoparticles (NPs) in water environments. Herein, we investigated the release kinetics of Si impurity frequently introduced during NP synthesis and the resulting effect on TiO2 NP transformation
Daqing Wei et al.
Materials science & engineering. C, Materials for biological applications, 33(7), 4118-4125 (2013-08-06)
Porous titanium was prepared by pressureless sintering of titanium beads with diameters of 100, 200, 400 and 600 μm. The results indicated that the mechanical properties of porous titanium changed significantly with different bead diameters. Plastic deformations such as necking
L Kubáč et al.
International journal of pharmaceutics, 481(1-2), 91-96 (2015-02-07)
The aim of the study was the comparison of photo-activity of three types of titanium dioxide (TiO2) micro-dispersions intended for use as UV filters for cosmetic sunscreen products. The dispersions were also investigated with regard to their influence on the
Yuka Suzuki et al.
Toxicology and applied pharmacology, 278(1), 16-25 (2014-04-22)
Metal oxide nanoparticles are widely used in industry, cosmetics, and biomedicine. However, the effects of exposure to these nanoparticles on the cardiovascular system remain unknown. The present study investigated the effects of nanosized TiO2 and ZnO particles on the migration
Haijun Zhang et al.
Journal of biomedical nanotechnology, 10(8), 1450-1457 (2014-07-16)
The TiO2 and ZnO nanoparticles are the most promising next-generation photodynamic therapy (PDT) photosensitizers. This paper reports a one-to-one comparison of TiO2 and ZnO nanoparticles as photosensitizers in photodynamic therapy of cancer. After incubating SMMC-7721 hepatocarcinoma cells with TiO2 and
Lu-Ning Wang et al.
Journal of nanoscience and nanotechnology, 13(8), 5316-5326 (2013-07-26)
Electrochemically anodized TiO2 nanotubular arrays can provide large surface areas for biological species attachment. In order to further enhance the biocompatibility of Ti medical implants, we deposited a pre-synthesized hydroxyapatite inside and on the nanotubular arrays, and examined the biocompatibility
Morgan Zielinski Goldberg et al.
Photochemistry and photobiology, 91(6), 1332-1339 (2015-08-14)
Lignocellulosic biomass can be converted to high-value phenolic compounds, such as food additives, antioxidants, fragrances and fine chemicals. We investigated photochemical and heterogeneous photocatalytic oxidation of two isomeric phenolic compounds from lignin, isoeugenol and eugenol, in several nonprotic solvents, for
Yong Ho Kim et al.
Journal of nanobiotechnology, 12, 47-47 (2014-11-27)
Although engineered nanomaterials (ENM) are currently regulated either in the context of a new chemical, or as a new use of an existing chemical, hazard assessment is still to a large extent reliant on information from historical toxicity studies of
W L Lü et al.
Cell proliferation, 48(1), 95-104 (2014-12-19)
To investigate effects of TiO2 nanotubes of different diameters on J744A.1 macrophage behaviour, secretion and expression of pro-inflammatory cytokines and chemokines. Macrophage-like J744A.1 cells were cultured on three types of Ti surface: mechanically polished titanium plus 30 and 80 nm
Alex T Kuvarega et al.
Journal of nanoscience and nanotechnology, 13(7), 5017-5027 (2013-08-02)
Nitrogen, osmium co-doped TiO2 photocatalysts were prepared by a modified sol-gel method using ammonia as the nitrogen source and osmium tetroxide as the source of osmium. The role of rutile phase OsO2 in enhancing the photocatalytic activity of rutile TiO2
Klaus Eyer et al.
Scientific reports, 5, 16551-16551 (2015-11-21)
The unwanted emergence of neutralizing antibodies (nAbs) against an endogenous or a therapeutic protein can result in deficiency diseases or therapy failure. Here, we developed a cell-free microfluidic method for the sensitive detection and quantification of nAbs in human serum
D Minetto et al.
Environment international, 66, 18-27 (2014-02-11)
The innovative properties of nanomaterials make them suitable for various applications in many fields. In particular, TiO2 nanoparticles (nTiO2) are widely used in paints, in cosmetics and in sunscreens that are products accessible to the mass market. Despite the great
Zhong Huang et al.
Journal of nanoscience and nanotechnology, 14(6), 4156-4163 (2014-04-18)
TiO2 photonic crystal photocatalyst with inverse opal structure were first prepared from self-assembled polystyrene spheres template, and then carbon quantum dots (CQDs) was coupled with TiO2 inverse opal through a facile electrodeposition method. The obtained CQDs/TiO2 complex photocatalysts exhibit enhanced
Gizem Karaca et al.
Environmental technology, 35(13-16), 1840-1850 (2014-06-25)
In the present study, removal of polycyclic aromatic hydrocarbons (PAHs) from synthetic solid matrices with various methods was investigated. PAH removal experiments were conducted in a specifically designed UV apparatus for this study. Polyurethane foams (PUF) cartridges were used to
Zhenrong Zhang et al.
Journal of nanoscience and nanotechnology, 14(6), 4170-4177 (2014-04-18)
In2S3 nanoparticle (NP) decorated self-organized TiO2 nanotube array (In2S3/TiO2 NT) hybrids were fabricated via simple successive ionic layer adsorption and reaction (SILAR) technique. The In2S3 NPs in a size of about 15 nm were found to deposit on the top
Tae-Yeon Oh et al.
Journal of nanoscience and nanotechnology, 13(5), 3491-3494 (2013-07-19)
This work studies the effect of post annealing of pentacene on a flexible substrate through the examination of electrical properties and surface morphologies. It is confirmed that the best performance of devices is achieved when the post annealing temperature is
D M Rivera-Chacon et al.
Journal of biomedical nanotechnology, 9(6), 1092-1097 (2013-07-19)
Improvements in osteoconduction of implant biomaterials require focusing on the bone-implant interface, which is a complex multifactorial system. Surface topography of implants plays a crucial role at this interface. Nanostructured surfaces have been shown to promote serum protein adsorption and
Dongsheng Guan et al.
Journal of nanoscience and nanotechnology, 14(6), 4541-4550 (2014-04-18)
Bamboo-type TiO2 nanotube arrays with high surface area can be synthesized by alternating voltage (AV) anodization for their important use as photocatalytic medium. Their morphologies are highly dependent on preparation parameters including anodization time and electrolyte composition. Minimum time of
Kwi-Dug Yun et al.
Journal of nanoscience and nanotechnology, 13(6), 3864-3867 (2013-07-19)
This study examined the bone response to titanium dioxide nanotube modified implants. A total of 24 implants were placed in the femur of 4 beagles. Before placement, screw-shaped implants were classified into 3 groups; machined surface (group M), titanium dioxide
Jun Seong Lee et al.
Journal of nanoscience and nanotechnology, 13(5), 3685-3689 (2013-07-19)
(Sr, Ca)2SiO4:Eu2+ nanopowders were prepared by a co-precipitation method, and then the effects of Ca2+ ions on the structural and luminescent properties were investigated. The pure Sr2SiO4:Eu2+ powders were perfectly composed of the beta-phase, whereas the substitution of Ca2+ ions
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