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Zhang Ye - - 2012
The effect of metal-semiconductor Zn-ZnO core-shell structure on dielectric properties of polyvinylidene fluoride (PVDF) composites was investigated. Zn-ZnO fillers were obtained by the heat-treatment of raw Zn particles under air. The enhanced dielectric constant of Zn-ZnO/PVDF composites results from the duplex interfacial polarizations induced by metal-semiconductor interface and semiconductor-insulator interface. ...
Latger-Cannard V - - 2012
Introduction:  The aim of this study was to show variability in the measurement of the mean platelet volume (MPV) depending on the instrument used. Methods:  This prospective analysis was carried out to measure MPV with three instruments, in 30 healthy controls and 113 hospital patients. Results:  Firstly, for values in ...
Li Ying - - 2012
In order to isolate and characterize novel angiotensin-I-converting enzyme (ACE) inhibitory peptide from loach (Misgurnus anguillicaudatus), six proteases of pepsin, -chymotrypsin, bromelain, papain, alcalase and neutrase, were used to hydrolyze loach protein. The hydrolysate (LPH) generated by bromelain (ratio of enzyme to substrate, 3:1000 (w/w)) was found to have the ...
Druzhinina Tamara S - - 2012
A reliable nanofabrication concept to engineer metallic nanometric gap structures and to incorporate silver nanoparticles within the gaps utilizing a combination of self-assembly strategies and electrochemical oxidation lithography is developed. The approach uses the differences in oxidation kinetics of n-octadecyltrichlorosilane (OTS) monolayer and bilayer structures. The processes are investigated in ...
Kucheyev S O - - 2012
Porosity generally embrittles ceramics. In contrast to such expectations, this report demonstrates that an effective fracture strain of nanoporous silica aerogels increases with increasing porosity. At ultralow relative densities of <0.5%, nanoporous monoliths start exhibiting super-compressible deformation with effective fracture strains of >50%. This is attributed to consequences of an ...
Wu Haibo - - 2012
Four chiral organosilanes based on O,O'-dibenzoyl tartardiamide, O,O'-bis-(3,5-dimethylbenzoyl) tartardiamide, O,O'-bis-(phenylcarbamoyl) tartardiamide and O,O'-bis-[(3,5-dimethylphenyl)carbamoyl] tartardiamide were synthesized and immobilized on silica to afford corresponding brush-type chiral stationary phases (CSPs) with well-defined structures. Using 54 compounds containing a wide variety of structures as analytes, the enantioselectivities of the four CSPs were evaluated ...
Kerr A - - 2012
BACKGROUND: Moving from sitting to walking (STW) is a functional movement that is sufficiently demanding to reveal early mobility problems that may be masked in other tests (Kerr et al., 2007). Research to date has confirmed the inherent difficulty of the STW movement (Magnan et al., 1996); however, the technology ...
Kenien Randall - - 2012
Radiolabeled cytochrome c (Cyt c), either as a free protein or as cell penetrating peptide (CPP)-conjugates, was tested for cellular uptake and nuclear transport in Human embryonic kidney293 (HEK293) cells and HeLa cells. Conjugation of Cyt c with either the amphipathic peptide model amphipathic peptide (MAP) or the cationic peptide ...
Liu Yun-Lin - - 2012
We report the first example of highly enantioselective organocatalytic synthesis of 3-difluoroalkyl substituted 3-hydroxyoxindoles. The total synthesis of the difluoro analogue of convolutamydine E was achieved by this method.
Fineberg Naomi A - - 2012
Pharmacological strategies for the treatment of obsessive-compulsive disorder (OCD) continue to develop apace but deficiencies remain. We present an updated literature review of the evidence supporting available strategies. We aim to answer key questions including: (1) What are the first-line treatments? (2) Does pharmacotherapy improve health-related quality of life? (3) ...
Solus Jason F - - 2012
To compare the success and complications of trabeculectomy performed with limbus-based and fornix-based conjunctival approaches. Retrospective case series with some prospective data collection. Consecutive patients undergoing trabeculectomy by 2 surgeons between May 2000 and October 2008. We performed limbus-based operations during the first 4 years and fornix-based operations during the ...
Deflorio Giuliana - - 2012
Metabolite fingerprinting of Sitka spruce (Picea sitchensis) bark and sapwood was carried out by (1)H nuclear magnetic resonance after wounding and artificial inoculation with the white rot fungus Heterobasidion annosum sensu stricto. The aim was to determine whether metabolites would differ in clones showing differing levels of susceptibility to H. ...
Anderson Brian J - - 2012
The pharmacokinetic (PK) parameters that are important for dosing (e.g., clearance and volume) are well known. They are used in universal mathematical formulae that describe the time course of drug concentration. Additional formulae can be used to describe major covariate effects in children, such as size and maturation. PK parameters ...
Camenzuli Michelle - - 2012
Active flow management in the form of curtain flow sample introduction and segmented outlet flow control has been shown to enable sample to elute through a chromatography column under the principles of the "infinite diameter column". Such an elution process avoids the detrimental effects of the heterogeneity of particle-packed chromatographic ...
Gharpure Santosh J - - 2012
A new, highly stereoselective intramolecular cyclopropanation of vinylogous carbamates with carbenes in the presence of Cu(acac)(2) as the catalyst has been developed for the construction of cyclopropapyrrolidinones. The 'syn' isomer of N-DAC can be converted to the 'anti' isomer by simple silica gel treatment. Regioselective cleavage of each of the ...
Liu Qian - - 2012
The Fe(3)O(4)@SiO(2)@graphene microspheres were prepared and demonstrated to be highly efficient enrichment materials for proteins and peptides in MALDI-TOF MS analysis.
Carpinteiro Inma - - 2012
Stir-bar sorptive extraction and liquid desorption followed by large volume injection-gas chromatography coupled to mass spectrometry under selected ion monitoring mode acquisition (SBSE-LD/LVI-GC-MS(SIM)) was applied for the determination of six benzotriazole UV stabilizers (Tinuvin P, Allyl-bzt, Tinuvin 320, Tinuvin 326, Tinuvin 327 and Tinuvin 328) in wastewater matrices. Parameters affecting ...
Stefureac Radu I - - 2012
The interaction of two peptides with the α-hemolysin pore was studied in the presence of a MHz AC field. For an α-helical peptide the proportion of bumping events increased with increasing AC field whereas for a linear peptide with no dipole moment only small changes in the event profiles were ...
Valev Ventsislav K - - 2012
In response to the incident light's electric field, the electron density oscillates in the plasmonic hotspots producing an electric current. Associated Ohmic losses raise the temperature of the material within the plasmonic hotspot above the melting point. A nanojet and nonosphere ejection can then be observed precisely from the plasmonic ...
Wong Bryan M - - 2012
It has recently been shown that electronic transport in zigzag graphene nanoribbons becomes spin-polarized upon application of an electric field across the nanoribbon width. However, the electric fields required to experimentally induce this magnetic state are typically large and difficult to apply in practice. Here, using both first-principles density functional ...
Park Si Yun - - 2012
Transfer characteristics of ZnO thin-film transistors (TFTs) based on ZnO doped with various alkali metals. A new doping method is demonstrated by employing alkali metals to achieve high-performance and solution-processed ZnO TFTs with a low processing temperature (∼300 °C), which is applicable to flexible plastic substrates.
Rosa David - - 2012
A palladium-catalysed, tandem cyclopropanol rearrangement and direct arylation approach for the synthesis of 1-indanones is reported. The reaction is generally high yielding, uses oxygen as the terminal oxidant and tolerates a range of functional groups on the aryl ring.
Dag Omer - - 2012
A simple reaction between a mild reducing agent such as a trialkoxysilane and Ge(IV) species such as germanium tetraalkoxides in a room-temperature water/alcohol solution produces silica-coated ultrasmall (2-3 nm) amorphous germanium nanoparticles (na-Ge/SiO(2) ). The initial reaction involves the straightforward hydrolysis and condensation of the precursors, Ge(OCH(2) CH(3) )(4) and ...
Dontigny Eve - - 2012
Although there is evidence that nicotinic acetylcholine (Ach) receptors are influenced by ceramides, we do not currently know whether or not these sphingolipids can also regulate the muscarinic subtypes of Ach receptors. Using the whole-cell patch technique, we demonstrated that the effectiveness of the muscarinic receptor agonist pilocarpine, in enhancing ...
Yan Qiang - - 2012
A class of dialkoxyanthracene-containing diblock copolymers is synthesized which possesses visible light-responsivity. These copolymers can self-assemble into a micellar structure in water. Green visible light (540 nm) is able to scissor these anthracene species and cleave the diblock copolymer into two fragments, inducing disassembly of the self-assembled micelles.
Meng X J - - 2012
In the past two decades or so, a number of viruses have emerged in the global swine population. Some, such as porcine reproductive and respiratory syndrome virus (PRRSV) and porcine circovirus type 2 (PCV2), cause economically important diseases in pigs, whereas others such as porcine torque teno virus (TTV), now ...
Peng Chengxin - - 2012
In this paper, we report a facile ultrasonic method to synthesize well-dispersed CoO quantum dots (3~8 nm) on graphene nanosheets at room temperature by employing Co4(CO)12 as cobalt precursor. The prepared CoO/graphene composites displayed high performance as an anode material for lithium-ion battery, such as high reversible lithium storage capacity ...
Seo Jung Hwan - - 2012
The design, fabrication, and preliminary testing of a micromachined-Si passive vapor preconcentrator/injector (μPPI) are described. Intended for incorporation in a gas chromatographic microsystem (μGC) for analyzing organic vapor mixtures, the μPPI captures vapors from the air at a known rate by means of passive diffusion (i.e., without pumping) and then ...
Nduhirabandi Frederic - - 2012
The metabolic syndrome is a cluster of metabolic abnormalities associated with increased risk for cardiovascular diseases. Apart from its powerful antioxidant properties, the pineal gland hormone melatonin has recently attracted the interest of various investigators as a multifunctional molecule. Melatonin has been shown to have beneficial effects in cardiovascular disorders ...
Lojza Jaromir - - 2012
A direct analysis in real-time (DART) ion source coupled to a high-resolution orbitrap mass spectrometer was used for the quantitative analysis of isoflavones isolated from soybeans. For the isolation of genistein, daidzein, glycitein, and their respective acetyl, malonyl, and glucoside forms, an extraction employing 80% aqueous MeOH enhanced by sonication ...
Reed Catherine - - 2012
Objective:  To examine the real-world role of tricyclic antidepressants (TCAs) in fibromyalgia (FM) treatment. Methods:  Using privately insured U.S. administrative claims data, this study examined TCA use for newly diagnosed FM patients. Patients ages 18 to 64 years with ≥ 2 FM diagnoses (ICD-9-CM: 729.1) during Q1:2007 to Q1:2009, no previous FM ...
Blagbrough Ian S - - 2012
Our aim is to study the effects of varying the two acyl moieties in synthesized N4,N9-diacyl spermines on siRNA formulations and their delivery efficiency in cell lines. Six novel asymmetrical lipopolyamines: [N4-cholesteryloxy-3-carbonyl-N9-oleoyl-, N4-decanoyl-N9-oleoyl-, N4-decanoyl-N9-stearoyl-, N4-lithocholoyl-N9-oleoyl-, N4-myristoleoyl-N9-myristoyl-, and N4-oleoyl-N9-stearoyl]-1,12-diamino-4,9-diazadodecane were assessed for their abilities to bind to siRNA, studied using a ...
Zhang Xue-Xian - - 2012
Phenotypic variation is a fundamental requirement for evolution by natural selection. While evidence of phenotypic variation in natural populations abounds, its genetic basis is rarely understood. Here we report variation in the ability of plant-colonizing Pseudomonas to utilize histidine, and its derivative, urocanate, as sole sources of carbon and nitrogen. ...
McDonald James E - - 2012
Cellulose is reputedly the most abundant organic polymer in the biosphere, yet despite the fundamental role of cellulolytic microorganisms in global carbon cycling and as potential sources of novel enzymes for biotechnology, their identity and ecology is not well established. Cellulose is a major component of landfill waste and its ...
Escapa I F - - 2012
The synthesis and degradation of polyhydroxyalkanoates (PHAs), the storage polymer of many bacteria, is linked to the operation of central carbon metabolism. To rationalize the impact of PHA accumulation on central carbon metabolism of the prototype bacterium Pseudomonas putida, we have revisited PHA production in quantitative physiology experiments in the ...
Cosemans Inge - - 2012
The anionic polymerization of PPV via the sulfinyl precursor route is further investigated. When LHMDS is employed as the base to form the actively propagating quinodimethane system and THF as the solvent, anionic polymerizations can be observed. With the use of tert- butyl-substituted anionic initiators, specific functional groups can be ...
Servalli Marco - - 2012
Vapor-phase post-synthetic modification (VP-PSM) is herein described. VP-PSM is a tool that overcomes limitations of standard PSM methods by giving a higher yield in short reaction times and will give more flexibility in designing metal-organic frameworks with functionalization for chemical and physical applications.
Guan Cui-Zhong - - 2012
The construction of well-ordered 2D covalent networks via the dehydration of di-borate aromatic molecules was successfully realized through introducing a small amount of water into a closed reaction system to regulate the chemical equilibrium.
Díaz Julián A - - 2012
Methods for combining multiple functions into well-defined nanomaterials are still lacking, despite their need in nanomedicine and within the broader field of nanotechnology. Here several strategies for controlling the amount and the ratio of combinations of labeled DNA on 13-nm gold nanoparticles using self-assembly of thiolated DNA and/or DNA-directed assembly ...
Nagaoka Yasutaka - - 2012
Binary assemblies of CdSe/CdS semiconductor nanorods are prepared with spherical metal nanoparticles intercalated into aligned, parallel nanorod arrays. Mechanistic studies suggest that the formation of these binary assemblies is a kinetically limited process. Organic additives with suitable polarity and strong affinity to spherical nanoparticles that have both a high dielectric ...
van Dieren S - - 2012
Aims: To determine the baseline characteristics and glucose lowering therapies associated with weight change among patients with type 2 diabetes. Materials and methods: 11,140 participants in the ADVANCE trial, were randomly assigned to an intensive (aiming for an HbA(1c) ≤ 6.5%) or a standard blood glucose control strategy. Weight was ...
León Emilio A - - 2012
Foot-and-mouth disease (FMD) is the paradigm of a transboundary animal disease. Beyond any doubt, it is the most serious challenge for livestock's health. Official Veterinary Services from free countries invest considerable amount of money to prevent its introduction, whereas those from endemic countries invest most of their resources in the ...
Badger Frances - - 2012
Aims.  This survey explored issues of ethnicity and culture in nursing homes in one English region. Background.  The older black and minority ethnic population in the UK is increasing, and this is the first detailed study of numbers of black and minority ethnic residents in nursing homes and of managers' ...
Tsuda Tetsuya - - 2012
Various metal nanoparticles including base metal were produced by a brief accelerated electron beam irradiation of 1-alkyl-3-methylimidazolium bis((trifluoromethyl)sulfonyl)amide room-temperature ionic liquid without a stabilizing agent, which is usually employed so as to prevent aggregation.
Gising Johan - - 2012
The unique properties of microwave in situ heating offer unparalleled opportunities for medicinal chemists to speed up lead optimisation processes in early drug discovery. The technology is ideal for small-scale discovery chemistry because it allows full reaction control, short reaction times, high safety and rapid feedback. To illustrate these advantages, ...
Xia Ziming - - 2012
A mild and efficient Cu(2)O-catalyzed domino intramolecular C-N coupling/C-Y (Y = O, S, N) bond formation was successfully achieved. Thus oxazino[3,2-a]indole, thiazino[3,2-a]indole and indolo[2,1-b]quinazoline derivatives were facilely assembled from readily accessible gem-dibromovinyl systems. The protocol is general and practical, affording a variety of the indole-incorporated products in good to excellent ...
da Silva Lucas H - - 2012
Gerodontology 2012; doi: 10.1111/j.1741-2358.2011.00604.x Effect of the addition of silanated silica on the mechanical properties of microwave heat-cured acrylic resin Objectives:  The purpose of this study was to evaluate fthe flexural strength and Vickers hardness of a microwave energy heat-cured acrylic resin by adding different concentrations of silane surface-treated nanoparticle ...
Hayes G M - - 2012
Objectives: To determine the in vitro persistence of clotrimazole 1% cream in the canine frontal sinus and to evaluate the distribution of clotrimazole solution over the sino-nasal mucosa using a previously described surgical treatment protocol for canine nasal aspergillosis. Methods: Two canine skulls were used to monitor the persistence of ...
Wittorf Andreas - - 2012
Introduction. The knowledge of the specificity of cognitive biases in psychiatric disorders is important in order to develop disorder-specific cognitive models and therapies. This cross-sectional study aimed to investigate the specificity of jumping to conclusions (JTC) and attributional biases (AB) for patients with schizophrenia. Methods. Twenty patients with paranoid schizophrenia ...
Satiani Bhagwan B - - 2012
There are many recent and ongoing changes in the practice of medicine from a business standpoint as well as in overall practice management. Economic and lifestyle desires have pushed many physicians to a decision point of whether or not to join a large multispecialty group or to sell their practice ...
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