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Showing 1-30 of 186 results for "267740" within Papers
Matthew C Mackenzie et al.
Biomacromolecules, 16(1), 236-245 (2014-12-18)
The field of RNA interference depends on the development of safe and efficient carriers for short interfering ribonucleic acid (siRNA) delivery. Conventional cationic monomers for siRNA delivery have utilized the nitrogen heteroatom to produce cationic charges. Here, we polymerized cationic
Yong-Hoon Kim et al.
Journal of nanoscience and nanotechnology, 13(11), 7779-7782 (2013-11-20)
In this paper, the effects of annealing conditions on the dielectric properties of solution-processed aluminum oxide (Al2O3) layers for indium-zinc-tin-oxide (IZTO) thin-film transistors (TFTs) have been investigated. The dielectric properties of Al2O3 layers such as leakage current density and dielectric
Kang Huang et al.
Angewandte Chemie (International ed. in English), 53(27), 6929-6932 (2014-05-23)
A graphene oxide (GO) membrane is supported on a ceramic hollow fiber prepared by a vacuum suction method. This GO membrane exhibited excellent water permeation for dimethyl carbonate/water mixtures through a pervaporation process. At 25 °C and 2.6 wt % feed water content
N Salgueiro-González et al.
Analytica chimica acta, 852, 112-120 (2014-12-03)
A less time-, solvent- and sorbent-consuming analytical methodology for the determination of bisphenol A and alkylphenols (4-tert-octylphenol, 4-octylphenol, 4-n-nonylphenol, nonylphenol) in marine sediment was developed and validated. The method was based on selective pressurized liquid extraction (SPLE) with a simultaneous
Jaehwan Ahn et al.
Journal of nanoscience and nanotechnology, 13(11), 7482-7486 (2013-11-20)
Electrochemical measurements using the microelectrodes are increasingly utilized for the label-free detection of the small amount of biological materials such as DNA, protein, and cells. However, the interfacial electrode impedance increases and may hinder the detection of weak signals as
E Espino-Pérez et al.
Carbohydrate polymers, 135, 256-266 (2015-10-11)
Cellulose nanocrystals (CNC) and starch nanocrystals (SNC) were grafted by ozone-initiated free-radical polymerisation of styrene in a heterogeneous medium. Surface functionalisation was confirmed by infrared spectroscopy, contact angle measurements, and thermogravimetric and elemental analysis. X-ray diffraction and scanning electron microscopy
Arthur Varghese
Journal of nanoscience and nanotechnology, 14(6), 4495-4499 (2014-04-18)
We report enhanced room temperature photoluminescence from ordered arrays of few micrometers long cadmium sulfide nanotubes fabricated using 'nanoscale chemical reactors' of porous alumina by a unique two-chamber synthesis without using any surfactants. Photoluminescence from these nanotubes is -20 times
Fenglin Liu et al.
Journal of environmental sciences (China), 26(8), 1751-1762 (2014-08-12)
Excess phosphorus from non-point pollution sources is one of the key factors causing eutrophication in many lakes in China, so finding a cost-effective method to remove phosphorus from non-point pollution sources is very important for the health of the aqueous
Guoliang Li et al.
Journal of colloid and interface science, 405, 164-170 (2013-06-19)
An improved incipient wetness process was developed to decorate mesoporous silica, in which Al was preloaded onto mesoporous SBA15 followed by decoration of Fe2O3 nanoparticles. This decoration process exploited the homogeneous dispersivity of Al in silica framework and overcome the
Ga Young Choi et al.
Journal of nanoscience and nanotechnology, 13(1), 653-656 (2013-05-08)
The experiment was carried out to produce hydrogen through steam reforming of glycerol over nano-sized Ni catalysts supported on alumina (Al2O3). The catalysts were characterized by BET surface area, metal dispersion, XRD, TPR, NH3-TPD and SEM. 15 wt% Ni/Al2O3 catalysts
Muhammad Korim et al.
Acta orthopaedica, 85(2), 133-140 (2014-03-22)
Ceramic-on-ceramic (CoC) bearings have been in use in total hip replacement (THR) for more than 40 years, with excellent long-term survivorship. Although there have been several simulator studies describing the performance of these joints, there have only been a few
Atais Bacchi et al.
The journal of adhesive dentistry, 15(5), 447-452 (2013-04-18)
To evaluate the tensile bond strength at repaired interfaces of aged dental composites, either dimethacrylate- or silorane-based, when subjected to different surface treatments. The composites used were Filtek P60 (methacrylate-based, 3M ESPE) and Filtek P90 (silorane-based, 3M ESPE), of which
José A S Luis et al.
Acta pharmaceutica (Zagreb, Croatia), 64(2), 233-245 (2014-06-11)
Seven new compounds have been synthetized in satisfactory yields (51-78 %) through the treatment of mesoionic 1,3-thiazolium-5-thiolate (4a-d) and 1,3,4-thiadiazolium- 5-thiolate (10a,b) with chloroacetic acid or methyl iodide: 1,3,4-thiadiazolium-5-methylthio- (11) and 5-thioacetate (12). The structure of the title compounds was
P Hooi et al.
Journal of dental research, 93(4), 412-416 (2014-02-12)
The dental literature is replete with "crunch the crown" monotonic load-to-failure studies of all-ceramic materials despite fracture behavior being dominated by the indenter contact surface. Load-to-failure data provide no information on stress patterns, and comparisons among studies are impossible owing
Claudia Grajeda-Iglesias et al.
Food chemistry, 194, 749-757 (2015-10-17)
Hibiscus sabdariffa L. is a worldwide consumed plant, principally after infusion of its dried sepals and calyces, which are usually discarded. Nevertheless, they represent a potential source of natural bioactive compounds, e.g. polyphenols, which could add value to this under-exploited
Haopeng Wang et al.
The Analyst, 140(24), 8177-8185 (2015-11-10)
The rising importance of organohalogens in environmental, pharmaceutical, and biological applications has drawn attention to analysis of these compounds in recent years. Elemental mass spectrometry (MS) is particularly advantageous in this regard because of its ability to quantify without compound-specific
Megan A Jamiolkowski et al.
Journal of biomedical materials research. Part A, 103(4), 1303-1311 (2014-04-23)
Although the thrombogenic nature of the surfaces of cardiovascular devices is an important aspect of blood biocompatibility, few studies have examined platelet deposition onto opaque materials used for these devices in real time. This is particularly true for the metallic
T Divinyi et al.
Fogorvosi szemle, 84(4), 97-103 (1991-04-01)
The osseointegration desired in interest of lasting success may be obtained but by means of an aseptic atraumatic operational technique which ensures the primary stability of the implant. It is pointed out that the infection free wound healing plays a
Mingyeong Kim et al.
Journal of nanoscience and nanotechnology, 13(12), 7865-7869 (2013-11-26)
In this paper, composite polymer electrolytes were prepared by a blend of poly(ethylene oxide) (PEO) and poly(acrylonitrile) (PAN) as a polymer matrix, ethylene carbonate as a plasticizer, LiClO4 as a salt, and by containing a different content of nano-sized Al2O3.
Shahul Hameed P et al.
Nature communications, 6, 6715-6715 (2015-04-01)
The widespread emergence of Plasmodium falciparum (Pf) strains resistant to frontline agents has fuelled the search for fast-acting agents with novel mechanism of action. Here, we report the discovery and optimization of novel antimalarial compounds, the triaminopyrimidines (TAPs), which emerged
Jae-Hyun Lee et al.
Journal of nanoscience and nanotechnology, 13(11), 7401-7405 (2013-11-20)
A large-scale nanoporous graphene (NPG) fabrication method via a thin anodic aluminum oxide (AAO) etching mask is presented in this paper. A thin AAO film is successfully transferred onto a hydrophobic graphene surface under no external force. The AAO film
Mireia Núñez et al.
Analytical and bioanalytical chemistry, 407(13), 3841-3849 (2015-03-18)
A method for the quantitative determination of seven pharmaceuticals in bivalves was developed by QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe) extraction, followed by liquid chromatography-tandem mass spectrometry (LC-MS/MS) with electrospray ionization. Both the European Standard Method EN 15662
C Ragupathi et al.
Journal of nanoscience and nanotechnology, 13(12), 8298-8306 (2013-11-26)
There is a growing concern for the development of alternative environment friendly sustainable methods for the preparation of nanomaterials. Phytosynthesis of nano zinc aluminate by a microwave method using high purity metal nitrates and Sesamum (Sesamum indicum L.) extract is
Simon Hammann et al.
Analytical and bioanalytical chemistry, 407(30), 9019-9028 (2015-10-07)
Triacylglycerols represent the major part (>90%) in most plant oils and have to be eliminated, when the minor compounds such as phytosterols or tocopherols should be analyzed. Here, we used an all liquid-liquid chromatographic technique, countercurrent chromatography (CCC), to fractionate
Ana S Fajardo et al.
Environmental technology, 34(1-4), 301-311 (2013-03-28)
Non-catalytic and catalytic ozonation over Pt/Al2O3 were considered in the treatment of a synthetic effluent composed of six phenolic acids usually present in olive mill wastewaters. In both processes the medium pH affected the rate of ozone decomposition and the
Raquel Marianna Lopes et al.
American journal of dentistry, 28(5), 297-302 (2015-12-31)
To evaluate the effect of desensitizing dentifrices on dentin erosive wear, using a 5-day erosion-abrasion-remineralization cycling model. The effect of the dentifrices on dentin's tubule occlusion was also investigated. 30 samples of root dentin were randomly divided into three groups
Jaakko Akola et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(25), 10129-10134 (2013-06-01)
Glass formation in the CaO-Al2O3 system represents an important phenomenon because it does not contain typical network-forming cations. We have produced structural models of CaO-Al2O3 glasses using combined density functional theory-reverse Monte Carlo simulations and obtained structures that reproduce experiments
Kumiko Nakamura et al.
Scientific reports, 4, 7248-7248 (2014-11-29)
Angiotensin II (AngII) plays important roles in the regulation of cardiovascular function. Both peripheral and central actions of AngII are involved in this regulation, but mechanisms of the latter actions as a neurotransmitter/neuromodulator within the brain are still unclear. Here
Michele Tonelli et al.
Bioorganic & medicinal chemistry, 22(24), 6837-6845 (2014-12-04)
Novel riminophenazine derivatives, characterized by the presence of the basic and cumbersome quinolizidinylalkyl and pyrrolizidinylethyl moieties, have been synthesized and tested (Rema test) against Mycobacterium tuberculosis H37Rv and H37Ra, and six clinical isolates of Mycobacterium avium and Mycobacterium tuberculosis. Most
Federico Marighetti et al.
ChemMedChem, 10(4), 742-751 (2015-03-05)
We recently reported the synthesis and quantitative structure-activity relationships of a new breast cancer resistance protein (BCRP) inhibitor class. In the study presented herein, we investigated the possibility to better define the scaffold of this compound class by removing or
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