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Showing 1-30 of 160 results for "204730" within Papers
Yang Zhang et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 960, 52-58 (2014-05-03)
A novel TiO2/diatomite composite (TD) was prepared and then characterized by scanning electron microscope (SEM) and Fourier Transform Infrared (FTIR). The results of SEM showed that after modification, the porous surface of diatomite was covered with TiO2. Both diatomite and
Eun-Jung Park et al.
Toxicology letters, 230(1), 69-79 (2014-08-12)
In this study, we identified the toxic effects of sheet-type titania (TNS), which are being developed as a material for UV-blocking glass, comparing with P25, a benchmark control for titania, in MH-S cells, a mouse alveolar macrophage cell line. After
Hsin-Hung Lin et al.
Small (Weinheim an der Bergstrasse, Germany), 11(34), 4394-4402 (2015-06-17)
Quiescent cancer stem cells (CSCs) have long been considered to be a source of tumor initiation. However, identification and isolation of these cells have been hampered by the fact that commonly used fluorescent markers are not sufficiently stable, both chemically
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
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
Sinae Jo et al.
Journal of nanoscience and nanotechnology, 13(5), 3542-3545 (2013-07-19)
The effect of TiO2 on the degree of crystallization, thermal properties and microstructure for MgO-Al2O3-SiO2 glass-ceramics system containing 0-13 wt% TiO2 and 0-1.5 wt% B2O3 in which the cordierite is the main phase was studied. Using Kissinger and Augis-Bennett equations
Diatom silica-titania materials for photocatalytic air purification.
E Van Eynde et al.
Communications in agricultural and applied biological sciences, 78(1), 141-147 (2013-07-24)
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
Olga Wiens et al.
PloS one, 9(7), e103821-e103821 (2014-08-01)
The invasion of Theileria sporozoites into bovine leukocytes is rapidly followed by the destruction of the surrounding host cell membrane, allowing the parasite to establish its niche within the host cell cytoplasm. Theileria infection induces host cell transformation, characterised by
Constantinos Gitrowski et al.
Toxicology letters, 226(3), 264-276 (2014-03-01)
The gastrointestinal uptake of different crystal structures of TiO2 was investigated using Caco-2 intestinal cells. Caco-2 monolayers exhibited time-dependent, saturable uptake of Ti from TiO2 exposures of 1 mgl(-1) over 24h, which was influenced by crystal type. Initial uptake rates
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
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
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
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
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)
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
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"
Paul A Carpenter et al.
Biology of blood and marrow transplantation : journal of the American Society for Blood and Marrow Transplantation, 21(7), 1167-1187 (2015-04-04)
The 2006 National Institutes of Health (NIH) Consensus paper presented recommendations by the Ancillary Therapy and Supportive Care Working Group to support clinical research trials in chronic graft-versus-host disease (GVHD). Topics covered in that inaugural effort included the prevention and
Stephan Brosillon et al.
Chemosphere, 109, 173-179 (2014-03-13)
This study reports on the first assessment of the treatment of sediments contaminated by organotin compounds using heterogeneous photocatalysis. Photocatalysis of organotins in water was carried out under realistic concentration conditions (μgL(-1)). Degradation compounds were analyzed by GC-ICP-MS; a quasi-complete
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
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
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
Hamdam Gaminian et al.
Photochemistry and photobiology, 91(5), 1078-1087 (2015-06-16)
Nowadays, introducing self-cleaning properties on various fabrics under daylight irradiation for automotive and upholstery application is in a central point of research. This can be achieved by application of metal-doped TiO2 nano particles on the textile fabrics. Here, alkali hydrolysis
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
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
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
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
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
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