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Kania Michał - - 2013
Inaccurate electrode placement and differences in inter-individual human anatomies can lead to misinterpretation of ECG examination. The aim of the study was to investigate the effect of precordial electrodes displacement on morphology of the ECG signal in a group of 60 patients with diagnosed cardiac disease. Shapes of ECG signals ...
Azzam R M A - - 2013
The complex Fresnel reflection coefficients r<sub>p</sub> and r<sub>s</sub> of p- and s-polarized light and their ratio ρ=r<sub>p</sub>/r<sub>s</sub> at the pseudo-Brewster angle (PBA) ϕ<sub>pB</sub> of a dielectric-conductor interface are evaluated for all possible values of the complex relative dielectric function ε=|ε|exp(-jθ)=ε<sub>r</sub>-jε<sub>i</sub>, ε<sub>i</sub>>0 that share the same ϕ<sub>pB</sub>. Complex-plane trajectories of r<sub>p</sub>, ...
Gill James - - 2013
Computational aeroacoustic methods are applied to the modeling of noise due to interactions between gusts and the leading edge of real symmetric airfoils. Single frequency harmonic gusts are interacted with various airfoil geometries at zero angle of attack. The effects of airfoil thickness and leading edge radius on noise are ...
Hwang Jisoo - - 2013
To investigate the effects of rods and cones in mesopic visual sensitivity, we perform spectral sensitivity experiments by varying viewing fields and adaptation levels. We obtain mesopic spectral sensitivities for 2° and 10° centrally viewing fields and a (10°-20°) peripherally viewing field at adaptation luminance levels of 0.04  cd/m<sup>2</sup>, 0.4  cd/m<sup>2</sup>, and ...
Tang Shikui - - 2013
To assess the dosimetric impact caused by the interplay between intrafraction prostate motion and the intermittent delivery of proton pencil beam scanning (PBS). A cohort of 10 prostate patients was treated with PBS using a bilateral single-field uniform dose (SFUD) modality. Bilateral intensity-modulated proton therapy (IMPT) plans were generated for ...
Hakko Manabu - - 2013
Background scattered light should normally be reduced in industrial fabrication processes; however, we demonstrated that background scattered light from an optical element contains significant structural information about the element. This was revealed by quite good agreement between the measured scattering intensity distribution of a sample and a computer simulation of ...
Kong Duk-Jo - - 2013
In this study, we produce InGaN/GaN microcolumn LED (MC-LED) arrays having nonpolar metal sidewall contacts using a top-down method, where the metal contacts only with the sidewall of the columnar LEDs with an open top for transparency. The trapezoidal profile of the as-etched columns was altered to a rectangular profile ...
Grzelczak Marek - - 2013
"The possibility of using colloidal silver and gold as condensors for electron storage in artificial photosynthesis has prompted the recent renewed interest in these areas." This statement by Fendler and co-workers in 1983 is even more relevant in today's science and technology. In this tutorial review we summarize research regarding ...
de Boer-Maggard Tara R - - 2013
Surge protector: A two-component peroxynitrite-generating platform has been engineered to release peroxynitrite (PN) in situ under the control of light. The system, which is constructed by layering sol-gel matrices containing xanthine oxidase (bottom layer) and a metal nitrosyl (top layer), allows studies of PN chemistry at varying fluxes of its ...
Yang Shang-Hua - - 2013
We report the design, fabrication, and experimental characterization of high-aspect-ratio metallic gratings integrated with nanoscale semiconductor structures, which enable efficient light-matter interaction at the nanoscale over interaction lengths as long as two times of the effective optical wavelength. The efficient light-matter interaction at the nanoscale is enabled by excitation of ...
Ciaccafava Alexandre - - 2013
We report the effect of UV-Vis light on the membrane-bound [Ni-Fe] hydrogenase from Aquifex aeolicus under turnover conditions. Using electrochemistry, we show a potential dependent light sensitivity and propose that a light-induced structural change of the [Ni-Fe] active site is related to an enhanced reactivation of the hydrogenase under illumination ...
Lee Jung Ryun - - 2013
Cervical dystonia (CD) produces involuntary neck muscle contractions that result in abnormal and often asymmetrical postures of the head and neck. Basal ganglia oscillatory activity in the 3-12 Hz band correlating with involuntary muscle activity suggests a role in the pathophysiology of primary dystonia. Despite the asymmetrical postures seen with ...
Sbierski B - - 2013
We examine theoretically the intersubband transitions induced by laser beams of light with orbital angular momentum (twisted light) in semiconductor quantum wells at normal incidence. These transitions become possible in the absence of gratings thanks to the fact that collimated laser beams present a component of the light's electric field ...
d'Enterria David - - 2013
Elastic light-by-light scattering (γγ→γγ) is open to study at the Large Hadron Collider thanks to the large quasireal photon fluxes available in electromagnetic interactions of protons (p) and lead (Pb) ions. The γγ→γγ cross sections for diphoton masses m_{γγ}>5  GeV amount to 12 fb, 26 pb, and 35 nb in p-p, p-Pb, and Pb-Pb ...
Buckley John G - - 2013
In this paper we use multivariate statistical techniques to gain insights into how adaptive gait involving obstacle crossing is regulated in lower-limb amputees compared to able-bodied controls, with the aim of identifying underlying characteristics that differ between the two groups and consequently highlighting gait deficits in the amputees. Eight unilateral ...
Hovis Jeffery K - - 2013
Scratches and other surface abrasions on protective eyewear can shorten their life cycle by scattering light from the image, which will compromise visual performance. Although scratch and abrasion resistance testing is well developed, there is little information available regarding visual acuity through lenses scratched in an actual work environment. We ...
Kochuveedu Saji Thomas - - 2013
Metal oxide semiconductors hold great promise for applications in energy conversion and storage, environmental remediation, optoelectronics, memory, light emission and other areas, but critical factors such as the high rate of charge-carrier recombination and limited light absorption have restricted more practical and viable applications. The remarkable ability of plasmonic noble ...
Guo Huizhang - - 2013
In pondering of new promising transparent conductors to replace the cost rising tin-doped indium oxide (ITO), metal nanowires have been widely concerned. Herein, we demonstrate an approach for successful synthesis of long and fine Cu nanowires (NWs) through a novel catalytic scheme involving nickel ions. Such Cu NWs in high ...
Chen Sanyuan - - 2013
Objective. Although various kinds of optrodes are designed to deliver light and sense electrophysiological responses, few have a tightly closed optical delivering site or electrical recording site. The large space between them often blurs the stimulation location and light intensity threshold. Approach. Based on an optical fiber, we develop an ...
Liu Haitao - - 2013
Under light illumination, metallic gratings present unexpected and fascinating phenomena, which are due to the complex charge patterns generated on the grating surfaces. The moving electrons are due to the launching of surface plasmon polaritons (SPPs), but only in part. We derive analytical expressions quantifying the plasmonic character of the ...
Suksaranjit P - - 2013
A variation in pacemaker stimulus amplitude can represent pacemaker system dysfunction from generator malfunction, lead insulation defect, lead fracture, or artefact of digital signal processing of the electrocardiography recorder. Pacemaker lead perforation into the pericardial space typically results in loss of capture which was not demonstrated in our patient. In ...
Roque Adriano L - - 2013
There are no data in the literature with regard to the acute effects of different styles of music on the geometric indices of heart rate variability. In this study, we evaluated the acute effects of relaxant baroque and excitatory heavy metal music on the geometric indices of heart rate variability ...
Gunjakar Jayavant L - - 2013
Unusually high photocatalytic activity of visible light-induced O2 generation can be achieved by electrostatically-derived self-assembly between exfoliated Zn-Cr-LDH 2D nanosheets and POM 0D nanoclusters (W7O24(6-) and V10O28(6-)) acting as an electron acceptor. This self-assembly can provide a high flexibility in the control of the chemical composition and pore structure of ...
Ji Xiangdong - - 2013
I show that the parton physics related to correlations of quarks and gluons on the light cone can be studied through the matrix elements of frame-dependent, equal-time correlators in the large momentum limit. This observation allows practical calculations of parton properties on a Euclidean lattice. As an example, I demonstrate ...
He Jiao - - 2013
We demonstrated that embedding of CdS on MOFs could significantly increase the photocatalytic efficiency of CdS for visible light-driven hydrogen production.
Chen Hong-Shuo - - 2013
In this study, two kinds of colloidal ternary semiconductor white light-emitting quantum dots (WQDs), Zn<sub>0.5</sub>Cd<sub>0.5</sub>S and Zn<sub>0.8</sub>Cd<sub>0.2</sub>S, are prepared and used as nanophosphors in a UV light-emitting diode (UV-LED) pumping device. When the weight ratio of Zn<sub>0.5</sub>Cd<sub>0.5</sub>S WQDs is 9.1 wt. % in silicone and the drive current is set at ...
Feng Jian - - 2013
A new type of doped Cd:In2S3 NC, which exhibits bright white-light emission with a QY of about 18%, synthesized by a one-pot G-doping synthesis approach is presented. The successful realization of temporal separation of nucleation doping and growth doping makes this approach a facile method to synthesize the In2S3/Cd:In2S3 core/shell ...
Hsiao Chien-Chi - - 2013
A new light-driven asymmetric ion-pair catalysis procedure for the metal-free enantioselective hydrogenation of in situ generated pyrylium ions from readily available chalcones was developed. The photo-assisted Brønsted acid catalyzed procedure has broad scope and allows, for the first time, access to valuable 4H-chromenes in good yields and with excellent enantioselectivities.
Kim Sungwoo - - 2013
Light-emitting diodes (LEDs) based on colloidal quantum dots (QDs) have attracted considerable attention due to their potential in applications such as color-saturated displays and white light with high color-rendering index. However, cadmium-based QD-LEDs are strictly regulated in industrial applications because of the high toxicity of cadmium. As an alternative, InP-based ...
Bu Yuyu - - 2013
ZnO nanorod array with comparatively long nanorods was successfully prepared on a Ti substrate by applying a hydrothermal method twice. CdS nanoparticles with high crystallinity were deposited onto the surface of ZnO nanorods through galvanostatic electrodeposition method. CdS-sensitized ZnO nanorod array after being hydrothermally grown twice with the second growth ...
Matoian Meredith A - - 2013
Metal Enhanced Fluorescence (MEF) typically produces enhancement factors of 10 to 50. By using a polymer layer as the dielectric spacer enhancements as high as 1,600 can be observed. The effect occurs with a variety of different polymers and substrates, all of which act to trap light in the dielectric ...
Chen Zhang - - 2013
We report the self-assembly of uniform CdS nanospheres/graphene (CdS NSPs/GR) hybrid nanocomposites via electrostatic interaction of positively charged CdS nanospheres (CdS NSPs) with negatively charged graphene oxide (GO), followed by GO reduction via a hydrothermal treatment. During this facile two-step wet chemistry process, reduced graphene oxide (RGO, also called GR) ...
Milne Andrew D - - 2013
Optimal visualization of the glottis can be crucial to successful laryngoscopy. Limited information has been published on the light intensity delivered from laryngoscopes powered by rechargeable batteries. In this study the laryngoscope light intensity delivered from 10 nickel metal hydride (NiMH), 7 nickel cadmium (NiCAD), and 2 lithium (LI) batteries ...
Behne Dawn M - - 2013
Perception of audiovisual synchrony relies on matching temporal attributes across sensory modalities. To investigate the influence of experience on cross-modal temporal integration, the effect of musical experience on the perception of audiovisual synchrony was studied with speech and music stimuli. Nine musicians and nine non-musicians meeting strict group criteria provided ...
Freyman Richard L - - 2013
Investigations of the precedence effect show that interaural differences within the first of two pairs of brief binaural sounds contribute more to lateralization than those within the second pair. The present study asked whether this phenomenon could be explained by asymmetries in monaural masking, and compared the results to a ...
Jen Yi-Jun - - 2013
A film comprising randomly distributed metal/dielectric/metal sandwich nanopillars with a distribution of cross-sectional diameters, displayed extremely low reflectance over the blue-to-red regime, when coated on glass and illuminated normally. When it is illuminated by normally incident light, this sandwich film (SWF) has a low extinction coefficient, its phase thickness is ...
Zhang Fang - - 2013
Branched ZnO-CdS double-shell NW array on the surface of a carbon fiber (CF/ZnO-CdS) was successfully synthesized via a facile two-step hydrothermal method. Based on a single CF/ZnO-CdS wire on a polymer substrate, a flexible photodetector was fabricated, which exhibited ultrahigh photon responsivity under illuminations of blue light (1.11×105 A/W, 8.99×10-8 ...
Yamada Keisei - - 2013
A new organic light-emitting field-effect transistor characterized by a metal oxide layer inserted between the organic layer and the gate insulator is proposed. The metal oxide is indirectly connected with source and drain electrodes through the organic layer. Upon increasing the potential difference between the source and drain electrodes, the ...
Amatatsu Yoshiaki - - 2013
Topographical feature around the conical intersection (CIX) of a fluorene-based light-driven molecular rotary motor has been examined by means of ab initio molecular orbital calculations. The model molecule is a derivative of 9-(2-phenyl-2-cyclopenten-1-ylidene)-9H-fluorene (PCPF) where PCPF is bridged by pentamethylene chain between the 2 position of the phenyl group and ...
He Shaojian - - 2013
Quantum dot light-emitting diodes (QD-LEDs) are characterized by pure and saturated emission colors with narrow bandwidth. Optimization of the device interface is an effective way to achieve stable and high-performance QD-LEDs. Here we utilized solution-processed molybdenum oxide (MoOx) as the anode buffer layer on ITO to build efficient QD-LEDs. Using ...
Lechner Barbara A J - - 2013
Classical diffusion-quantum barrier: On Cu(111), pyrrole diffuses in channels, hopping between adjacent bridge sites over a barrier above hollow sites. The motion of the center of mass can be described classically; however, the activation barrier arises from the quantum character of internal vibrational modes that are largely unexcited during the ...
Liu Zheng-Qi - - 2013
Metal structures with high optical transparency and conductivity are of great importance for practical applications in optoelectronic devices. Here we investigate the transparency response of a continuous metal film sandwiched by double plasmonic nanoparticle arrays. The upper nanoparticle array shows efficient light trapping of the incident field, acting as a ...
Cheng Gang - - 2013
Let your light shine: By using pincer-type cyclometalated PtII arylacetylide complexes as dopants, a maximum current efficiency of 26.57 cd A-1 (22.12 cd A-1 at 1000 cd m-2 ) has been achieved with solution-processable phosphorescent OLEDs, the highest ever reported for this type of devices based on phosphorescent PtII emitters.
Sarul Michał - - 2013
BACKGROUND: Cognizance of the mechanical properties of nickel-titanium archwires is necessary for the management of orthodontic therapy with fixed appliances. Acting on the periodontium with forces that are too heavy may lead to such complications as: pain, tooth root resorption and destruction of the alveolar bone and may also lead ...
Moriya Makoto - - 2013
The photoelectrochemical properties of CuGaSe2 modified by thin CdS layer deposition were investigated. The CdS layer formed a p-n junction on the surface of the electrode, improving its photoelectrochemical properties. There was an optimal CdS thickness because of the balance between the charge separation effect and light absorption by the ...
Mathevet Renaud - - 2013
A light beam can carry both spin angular momentum (SAM) and orbital angular momentum (OAM). SAM is commonly evidenced by circular dichroism (CD) experiments i. e. differential absorption of left and right-handed circularly polarized light. Recent experiments, supported by theoretical work, indicate that the corresponding effect with OAM instead of ...
Wang Yun - - 2013
Light plays an important role in plant growth, development, and response to environmental stresses. To investigate the effects of light on the plant responses to cadmium (Cd) stress, we performed a comparative physiological and proteomic analysis of light- and dark-grown Arabidopsis cells after exposure to Cd. Treatment with different concentrations ...
Husk Jesse S - - 2013
We set out to determine whether extra-striate ventral stream function was compromised in amblyopia and to compare any observed deficit with previous data on comparable dorsal stream function. We devised a multi-element orientation task where orientation coherence sensitivity could be measured in a comparable way to motion coherence. The use ...
Wang Guoxi - - 2013
We have investigated the slow light and trapping effects in tapered metal-insulator-metal plasmonic waveguides. It is found that a significant reduction of group velocity (<0.01c) can be obtained when considering the intrinsic loss of realistic metal. The theoretical analysis shows that the group velocity can be further decreased, even approach ...
Nie Biao - - 2013
p-type ZnSe nanowires (NWs) with tunable electrical conductivity were fabricated on a large scale by evaporating a mixed powder composed of ZnSe and Sb in different ratios. According to the structural characterization, the Sb-doped ZnSe NWs are of single crystalline form and grow along the [001] direction. The presence of ...
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