Search Results
Results 201 - 250 of 2805
< 1 2 3 4 5 6 7 8 9 10 >
Huang Fuyu - - 2013
A distortion correction method for a fisheye image is proposed based on the virtual small-field (SF) camera. The correction experiment is carried out, and a comparison is made between the proposed method and the conventional global correction method. From the experimental results, the corrected image by this method satisfies the ...
Bravo M - - 2013
A characterization of a modulated random mirror laser has been experimentally carried out. Unlike conventional internally modulated fiber lasers, no distortion of the modulating frequency or self-mode-locking effects were measured. The behavior of the laser using pulsed and analog modulation up to 12 GHz is shown.
Liew Wendy K M - - 2013
Pediatric neuromuscular disorders comprise a large variety of disorders that can be classified based on their neuroanatomical localization, patterns of weakness, and laboratory test results. Over the last decade, the field of translational research has been active with many ongoing clinical trials. This is particularly so in two common pediatric ...
Alçada-Morais Sofia - - 2013
The human ejaculate contains subpopulations of sperm with distinct properties. Human X- and Y-bearing sperm were separated with fluorescence activated cell sorting. To avoid the use of UV light the quantitative DNA dyes DRAQ5® and Dyecycle™ Vybrant® Violet were used. Sorting efficiency was similar for both dyes, but lower than ...
Vaclavik Lukas - - 2013
An ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) method for determination of 34 mycotoxins in dietary supplements containing green coffee bean (GCB) extracts was developed, evaluated and used in analysis of 50 commercial products. A QuEChERS-like procedure was used for isolation of target analytes from the examined matrices. Average recoveries ...
Phillips Miranda - - 2013
For patients with ST-elevated myocardial infarction (STEMI), time to primary percutaneous coronary intervention (PCI) is an important factor in saving myocardium. Helicopter emergency medical service (HEMS) has become a vital component in regionalized cardiac care. The objective of this study is to assess the logistics of HEMS and ground EMS ...
Westberry D E - - 2013
At our institution surgical correction of symptomatic flat foot deformities in children has been guided by a paradigm in which radiographs and pedobarography are used in the assessment of outcome following treatment. Retrospective review of children with symptomatic flat feet who had undergone surgical correction was performed to assess the ...
Farrington Ken - - 2013
This post hoc analysis of the recently reported Frequent Hemodialysis Network Trials suggests that frequent nocturnal treatment, unlike frequent daily treatment, may be associated with more rapid loss of residual kidney function than conventional hemodialysis. Differences in blood pressure control, among other factors, may be implicated. The study invites reflection ...
Foà Robin - - 2013
Genetics and molecular genetics have contributed to clarify the biological bases of the clinical heterogeneity of chronic lymphocytic leukemia. In recent years, our knowledge of the molecular genetics of chronic lymphocytic leukemia has significantly broadened, offering potential new clinical implications. Mutations of TP53 and ATM add prognostic information independently of ...
Turpin Alex - - 2013
When a light beam passes through a cascade of biaxial crystals (BCs) with aligned optic axes, the resulting transverse intensity pattern consists of multiple concentric rings. We provide a simple formulation for the pattern formation for both circularly and linearly polarized input beams, that could be applied for a cascade ...
Wang Wei - - 2013
Fluorescent sensing TSRh6G-β-cyclodextrin fluorophore/adamantane-modified inclusion complex magnetic nanoparticles (TFIC MNPs) have been synthesized via the cooperation of a host-guest interaction and sol-gel grafting reaction. Powder X-ray diffraction, transmission electron microscopy, Fourier transform infrared spectroscopy, and UV-visible absorption and emission spectroscopy have been employed to characterize the material. Fluorescence and UV-visible ...
Pandard Pascal - - 2013
In Europe, the decision whether waste is hazardous or not is based on 15 properties, among them the HP 14 property ("ecotoxic": waste which presents or may present immediate or delayed risks for one or more sectors of the environment). This document describes a strategy for assessing the HP 14 ...
Abley Katie - - 2013
Tissue cell polarity plays a major role in plant and animal development. We propose that a fundamental building block for tissue cell polarity is the process of intracellular partitioning, which can establish individual cell polarity in the absence of asymmetric cues. Coordination of polarities may then arise through cell-cell coupling, ...
Xiang Zhiyu - - 2013
This Letter proposes a generalized unified model (GUM) for the calibration of noncentral catadioptric cameras. Releasing the constraint on the projection center and the orientation of the imaging plane that the traditional unified projection model has, the new model is able to well compensate the misalignment between the mirror and ...
Bass Ori - - 2013
A multilayer photonic XOR gate is presented. The XOR is implemented by the interconnect layers of a microelectronic chip and is suitable for fabrication in a standard VLSI fabrication process. The proposed device features an inherent insertion loss compensation mechanism by utilization of nanometric holes, making it possible to implement ...
McGurk Ross J - - 2013
This study aims to quantify how filter choice affects several fluoro-deoxy-glucose (FDG)-positron emission tomography (PET) segmentation methods and present the use of model fitting via generalized estimating equations (GEEs) to appropriately account for the properties of a common segmentation quality metric (Dice similarity coefficient). Spherical and irregularly shaped 'hot' objects ...
Ozarda Yesim - - 2013
Abstract The reference intervals (RIs) given in laboratory reports have an important role in aiding clinicians in interpreting test results in reference to values of healthy populations. In this report, we present a proposed protocol and standard operating procedures (SOPs) for common use in conducting multicenter RI studies on a ...
Knotts Derek - - 2013
In accordance with Boyle's law (as barometric pressure decreases, gas volume increases), thoracostomy is often recommended for patients with pneumothoraces before helicopter EMS (HEMS) transport. We sought to characterize altitude-related volume changes in a pneumothorax model, aiming to improve clinical decisions for preflight thoracostomy in HEMS patients. This prospective study ...
Chin K F - - 2013
We investigated the predictive value of intra-operative neurophysiological investigations in obstetric brachial plexus injuries. Between January 2005 and June 2011 a total of 32 infants of 206 referred to our unit underwent exploration of the plexus, including neurolysis. The findings from intra-operative electromyography, sensory evoked potentials across the lesion and ...
Needleman Ian - - 2013
BACKGROUND: and overview. This article describes the different types of reviews of research that are available in the literature: systematic reviews and traditional reviews. Systematic reviews have become the reference standard for evidence to inform clinical practice. In this article, the authors set out guidance on appraising the quality and ...
Kumar Anand T N - - 2013
It is demonstrated that high spatial frequency filtering of time domain fluorescence signals can allow efficient detection of intrinsic fluorescence lifetimes from turbid media and the rejection of diffuse excitation leakage. The basis of this approach is the separation of diffuse fluorescence signals into diffuse and fluorescent components with distinct ...
Melgaard Seth D - - 2013
We report on bulk optical refrigeration of Yb:YLF crystal to a temperature of ∼124  K, starting from the ambient. This is achieved by pumping the E4-E5 Stark multiplet transition at ∼1020  nm. A lower temperature of 119±1  K (∼-154C) with available cooling power of 18 mW is attained when the temperature of the surrounding ...
Menakaya C U - - 2013
This paper reports the cost of outpatient venous thromboembolism (VTE) prophylaxis following 388 injuries of the lower limb requiring immobilisation in our institution, from a total of 7408 new patients presenting between May and November 2011. Prophylaxis was by either self-administered subcutaneous dalteparin (n = 128) or oral dabigatran (n ...
Marini Ida - - 2013
The authors conducted a study to compare the frequency of specific temporomandibular disorder (TMD) diagnoses in patients who had late whiplash syndrome (LWS) with that in a control group. The authors recruited 65 patients who had orofacial pain and a previous diagnosis of LWS and 65 age- and sex-matched control ...
Shi Yishi - - 2013
Ptychography is combined with optical image encryption for the first time. Due to the nature of ptychography, not only is the interferometric optical setup that is usually adopted not required any more, but also the encryption for a complex-valued image is achievable. Considering that the probes overlapping with each other ...
Cho Joong-Yeon - - 2013
In this study, we fabricated a high-brightness AlGaInP light-emitting diode (LED) using the direct printing technique and dry etching. In general, wet etching is used for surface roughening to improve the light extraction of AlGaInP red LEDs. However, a structure fabricated by wet etching has limited height and shows a ...
Kirk Thomas A - - 2013
OBJECTIVE The authors describe outcomes of a targeted case and care management program for persons with addictions utilizing a high level of acute services in Connecticut's system of care. METHODS Administrative and cost data were analyzed from five consecutive years (2004-2008) (N=165,305 clients). RESULTS In the year after enrollment, acute ...
Sun Xianyun - - 2013
Tight control of the intracellular uracil level is believed to be important to reduce the occurrence of uracil incorporation into DNA. The pyrG gene of Aspergillus nidulans encodes orotidine 5'-phosphate decarboxylase, which catalyzes the conversion of orotidine monophosphate (OMP) to uridine monophosphate (UMP). In this study, we found that pyrG ...
Donnellan Clare F - - 2013
Nutritional care and therapy forms an integral part of the management of patients with Crohn's disease (CD). Nutritional deficiencies result from reduced oral intake, malabsorption, medication side effects and systemic inflammation due to active disease. Enteral nutrition has a role in support for the malnourished patient, as well as in ...
Cleaver J O - - 2013
Infectious pneumonias are the leading cause of death worldwide, particularly among immunocompromised patients. Therapeutic stimulation of the lungs' intrinsic defenses with a unique combination of inhaled Toll-like receptor (TLR) agonists broadly protects mice against otherwise lethal pneumonias. As the survival benefit persists despite cytotoxic chemotherapy-related neutropenia, the cells required for ...
Shamashkin Michael - - 2013
A significant consequence of scaling up production of high titer monoclonal antibody (mAb) processes in existing facilities is the generation of in-process pools that exceed the capacity of storage vessels. A semi-continuous downstream process where columns and filters are linked and operated in tandem would eliminate the need for intermediate ...
Evenepoel Pieter - - 2013
The association of abnormalities of calcium and phosphate homeostasis with adverse clinical outcomes in chronic kidney disease (CKD) has generated interest in developing therapeutic strategies to target mineral metabolism early in the course of CKD. Hill et al. present results from a classic balance study of CKD stage 3-4 patients ...
Gürsoy Do─ča - - 2013
In this Letter, we present a single-step method to simultaneously retrieve x-ray absorption and phase images valid for a broad range of imaging energies and material properties. Our method relies on the availability of spectrally resolved intensity measurements, which is now possible using semiconductor x-ray photon counting detectors. The retrieval ...
Reed Christopher A - - 2013
Hyperconjugative stabilization of positive charge in tertiary carbocations is the textbook explanation for their stability and low frequency νCH bands in their IR spectra have long been taken as confirming evidence. While this is substantiated in the gas phase by the very close match of the IR spectrum of argon-tagged ...
Murray D W - - 2013
The Exeter femoral stem is a double-tapered highly polished collarless cemented implant with good long-term clinical results. In order to determine why the stem functions well we have undertaken a long-term radiostereometric analysis (RSA) study. A total of 20 patients undergoing primary Exeter total hip replacement for osteoarthritis using the ...
Li Zhongwei - - 2013
This Letter presents a multiview phase shifting (MPS) framework for full-resolution and high-speed reconstruction of arbitrary shape dynamic objects. Unlike conventional methods, this framework can directly find the corresponding points from the wrapped phase-maps. Therefore, only a minimum number of images are required for phase shifting to measure arbitrary shape ...
Gao R - - 2013
A method for measurement of a magnetic field by combining photonic crystal fibers (PCFs) and magnetic fluid is presented and experimentally demonstrated. The magnetic fluid is filled into the air holes of the cladding layer in the PCF. Due to the tunable refractive index property of the magnetic fluid, the ...
Stein Alexander - - 2013
Patients presenting with synchronous or metachronous colorectal cancer liver metastases (CLM) should be evaluated for multimodal management with curative intent. Preoperative systemic chemotherapy shows beneficial impact on adjuvant progression-free survival and also borderline on overall survival, without significantly increasing initially R0 resectable patients postoperative complication rates. Postoperative chemotherapy recommended based ...
Beckmann Manfred - - 2013
Although robust associations between dietary intake and population health are evident from conventional observational epidemiology, the outcomes of large-scale intervention studies testing the causality of those links have often proved inconclusive or have failed to demonstrate causality. This apparent conflict may be due to the well-recognised difficulty in measuring habitual ...
Goubau Christophe - - 2013
The Forkhead box G1 (FOXG1) gene encodes a transcriptional repressor essential for early development of the telencephalon. Intragenic mutations and gene deletions leading to haploinsufficiency cause the congenital variant of Rett syndrome. We here describe Rett syndrome-like patients, three of them carrying a balanced translocation with breakpoint in the chromosome ...
Ru Nan - - 2013
The permanent canine is the most frequently displaced or impacted tooth. The standard treatment for an impacted canine includes surgical exposure and orthodontic alignment. Autotransplantation is a treatment alternative for canines with complete root formation. The purpose of this article is to report a canine autotransplantation where the extraction site ...
Zhu Hai - - 2013
Ring microcavities were formed by wrapping ZnS microbelts, which act as the waveguide and gain region of the microcavities on the surface of optical fibers. The ring microcavities with the formation of whispering gallery modes have lasing threshold lower (Q-factor higher) than that of the ZnS microbelts. The excitation of ...
Seib Katherine - - 2013
Emergency response involving mass vaccination requires the involvement of traditional vaccine providers as well as other health-care providers, including pharmacists, obstetricians, and health-care providers at correctional facilities. We explored differences in provider experiences administering pandemic vaccine during a public health emergency. We conducted a cross-sectional survey of H1N1 vaccine providers ...
Trivedi Palak J - - 2013
Autoimmune liver disease spans three predominant processes, from the interface hepatitis of autoimmune hepatitis to the lymphocytic cholangitis of primary biliary cirrhosis, and finally the obstructive fibrosing sclerotic cholangiopathy of primary sclerosing cholangitis. Although all autoimmune in origin, they differ in their epidemiology, presentation and response to immunosuppressive therapy and ...
Kubiak Thomas - - 2013
Background: Self-regulatory executive function theory (Wells and Matthews, 1994; Wells, 2008) stresses the role of metacognitions in the development of emotional disorders. Within this metacognitive model, positive beliefs about ruminative thinking are thought to be a risk factor for engaging in rumination and subsequently for depression. However, most of the ...
Veeramah Krishna R - - 2013
J-wave syndromes have been associated with increased risk of ventricular fibrillation and sudden cardiac death. Previous studies have identified the KCNJ8-S422L variant in heterozygous form in individuals with J-wave syndromes. Its absence in over 1500 controls, coupled with in vitro analysis, have led to the conclusion that S422L is pathogenic. ...
Luvizotto Renata de Azevedo Melo - - 2013
Obesity is characterised by chronic low-grade inflammation, and lycopene has been reported to display anti-inflammatory effects. However, it is not clear whether lycopene supplementation modulates adipokine levels in vivo in obesity. To determine whether lycopene supplementation can regulate adipokine expression in obesity, male Wistar rats were randomly assigned to receive ...
Liuk Ing Wei - - 2013
The purpose of this research was to investigate relationships among the location and orientation of palatally displaced canines and the dimension and orientation of the maxillary lateral incisor. An experimental group of 40 patients with 46 palatally displaced canines (20 from boys, 26 from girls; mean age of the subjects, ...
Devlaminck Vincent - - 2013
In this Letter, we address the question of the physical validity of a depolarizing differential matrix. A parameterization of the diagonal terms of these depolarizing differential matrices is proposed. It ensures that the generators associated with diagonal depolarization terms lead to physical Mueller matrices. The validity of this parameterization is ...
Ozkaynak Halûk - - 2013
Epidemiological studies of the health effects of outdoor air pollution have traditionally relied upon surrogates of personal exposures, most commonly ambient concentration measurements from central-site monitors. However, this approach may introduce exposure prediction errors and misclassification of exposures for pollutants that are spatially heterogeneous, such as those associated with traffic ...
< 1 2 3 4 5 6 7 8 9 10 >