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Results 301 - 350 of 2531
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Lokteva Irina - - 2013
Semiconductor nanowire field-effect transistors (FETs) are interesting for fundamental studies of charge transport as well as possible applications in electronics. Here, we report low-voltage, low-hysteresis and ambipolar PbSe nanowire FETs using electrolyte-gating with ionic liquids and ion gels. We obtain balanced hole and electron mobilities at gate voltages below 1 ...
Liu Xiangsheng - - 2013
Surface engineering of nanoparticles plays an essential role in their colloidal stability, biocompatibility and interaction with biosystems. In this study, a novel multidentate zwitterionic biopolymer derivative is obtained from conjugating dithiolane lipoic acid and zwitterionic acryloyloxyethyl phosphorylcholine to the chitosan oligosaccharide backbone. Gold nanoparticles (AuNPs) modified by this polymer exhibit ...
Muysoms F - - 2013
BACKGROUND: Although laparoscopic intra-peritoneal mesh repair (LVHR) is a well-established treatment option to repair ventral and incisional hernias, no consensus in the literature can be found on the best method of fixation of the mesh to the abdominal wall. METHODS: Between December 2004 and July 2008, 76 patients undergoing a ...
Zeng Xin - - 2013
Zinc sulfide (ZnS) thin films have been synthesized by spray pyrolysis at 310 °C using an aqueous solution of zinc chloride (ZnCl2) and thioacetamide (TAA). Highly crystalline films were obtained by applying TAA instead of thiourea (TU) as the sulfur source. X-ray diffraction (XRD) analyses show that the films prepared ...
Ruhl Constance E - - 2013
OBJECTIVES:Other than weight-related conditions, risk factors for non-alcoholic fatty liver disease (NAFLD) are not well defined. We investigated the association of gallstones and cholecystectomy with NAFLD in a large, national, population-based study.METHODS:Among adult participants in the third US National Health and Nutrition Examination Survey, 1988-1994, ultrasonography for gallstone disease was ...
Page Timothy F - - 2013
Objective: Asthma is the most common chronic condition in childhood and disproportionately impacts poorer and ethnic minorities. The objectives of the study were to estimate the prevalence of asthma in Miami Dade County (MDC) schoolchildren to aid case-finding and linkage to care. Methods: We used the CDC Youth Risk Behavior ...
Liu Ziyu - - 2013
The aryl hydrocarbon receptor (AhR) is a ligand-activated transcription factor implicated in multiple cellular processes and its expression has been shown to play a critical role in tumorigenesis. However, the role of AhR in tumorigenesis of hepatocellular carcinoma remains unclear. In the current study, we investigated the role of AhR ...
Law Jennie H - - 2013
Background: Massive amyloid deposition in the thyroid to the point of goiter formation is rare. Here we describe the clinical presentation and outcomes of 5 patients with amyloid goiter (radiographically confirmed goiter in the context of tissue-proven thyroid amyloidosis) encountered in the past 23 years at our institution. Methods: Mayo ...
Maleva Maria - - 2013
This paper analyzes the effect of exogenous urea in increased concentration gradient (0, 100, 500 and 1,000 mg L(-1)) on photosynthetic pigments (measured spectrophotometrically), uptake of (14)CO2 (using radioisotope), and urease activity (by measuring ammonia with Nessler's reagent) in leaves of Elodea densa Planch. We have observed that low concentration of urea ...
Wang Wei - - 2013
No effective vaccine has been developed against the subgroup J avian leukosis virus (ALV-J). The genetic diversity of ALV-J might be related to the env gene, therefore, we selected conserved sequences of the env gene and designed interference sequence. In this study, microRNAs (miRNAs) were designed and synthesized, corresponding to ...
Kong Xingang - - 2013
This paper introduces the formation reactions and reaction mechanisms of a series of potassium niobates from a potassium salt of the Lindquist hexaniobate [Nb6O19](8-) ion under solvothermal conditions. The structure and particle morphology of the potassium niobate product can be controlled easily with the reaction solution alkalinity using this solvothermal ...
Sanchís Josep - - 2013
A quantitative method based on ultrasound-assisted toluene extraction followed by liquid chromatography-electrospray ionization-tandem mass spectrometry for the analysis of C60 and C70 fullerenes, N-methylfulleropyrrolidine, [6, 6]-phenyl C61 butyric acid methyl ester and [6, 6]-thienyl C61 butyric acid methyl ester has been developed. The method was validated using fortified blank river ...
Nava Angeles - - 2013
Intimate partner violence has negative effects on women's safety and wellbeing. When immigrant women are victimized the danger and poor health may intensify. The purpose was to determine the impact of acculturation on severity of violence, danger for murder, mental health functioning, and safety behaviors of abused immigrant women. Entry ...
Milbury Kathrin - - 2013
PURPOSE: While spouses play a vital role in the care of cancer patients, caregiving exerts a physical and psychological toll. Caregiving burden may not only compromise spouses' quality of life but also the quality of care and support they are able to provide. Consequently, spousal caregiving burden may also negatively ...
Cigan Alexander Drake - - 2013
The primary goal of this study was to characterize the response of chondrocyte-seeded agarose constructs to varying concentrations of several key nutrients in chondrogenic media, within the overall context of optimizing the key nutrients and the placement of nutrient channels for successful growth of cartilage tissue constructs large enough to ...
Zepeda-Romero L Consuelo - - 2013
BACKGROUND: Fluorescein angiography has been fundamental for the understanding and description of vascular disorders affecting the retina and choroid. The aim of this report is to assess the early anatomic retinal changes visible with angiography, and their relation with the clinical findings of retinopathy of prematurity. METHODS: Ten babies were ...
Tan Judy Y - - 2013
For gay men in the United States, race/ethnicity has been demonstrated to factor importantly into sexual preferences, and race-based beliefs regarding certain racial groups are prevalent within the gay male community. For gay men of color, such beliefs may differentially influence their sexual preferences. Yet, little is known about the ...
Yokoyama Yuhei - - 2013
An 11-year-old female was referred to our hospital with a giant mediastinal mass occupying the entire left hemithorax. Percutaneous biopsy showed no evidence of immature components or malignant cells. Since the tumor compressed the vital structures of the mediastinum with total atelectasis of the left lung, we performed median sternotomy ...
Wu Xian-Jun - - 2013
Phycobiliproteins are brightly-fluorescent light-harvesting pigments for photosynthesis in cyanobacteria and red algae. They are also of interest as fluorescent biomarkers, but their heterologous generation in vivo has previously required multiple transformations. We report here a modular approach that requires only two DNA segments. The first codes for the apo-protein. The ...
Adhikari Ramesh - - 2013
This study aims to examine the impact of parental international migration on the mental health of children left behind. Data for this paper were taken from the "Child Health and Migrant Parents in South-East Asia, Thailand, 2008" project. A total of 1,030 children (519 from emigrant parents and 511 from ...
Liu Zhen - - 2013
Novel nanoparticulate contrast agents with low systemic toxicity and inexpensive character have exhibited more advantages over routinely used small molecular contrast agents for the diagnosis and prognosis of disease. Herein, we designed and synthesized PEGylated hybrid ytterbia nanoparticles as high-performance nanoprobes for X-ray computed tomography (CT) imaging and magnetic resonance ...
Zhou Hui - - 2013
Infection with Chlamydia trachomatis induces inflammatory pathologies in the urogenital tract that can lead to infertility and ectopic pregnancy. Pathogenesis of infection has been mostly attributed to excessive cytokine production. However, precise mechanisms on how C. trachomatis triggers this production, and which protein(s) stimulate inflammatory cytokines remains unknown. In the ...
Pite Helene - - 2013
Urticaria, defined by the presence of wheals and/or angio-edema, is a common condition in children, prompting parents to consult physicians. For its successful management, paediatric-specific features must be taken into account, regarding the identification of eliciting triggers and pharmacological therapy. This review systematically discusses the current best-available evidence on spontaneous ...
Schell Andreas W - - 2013
To fully integrate quantum optical technology, active quantum systems must be combined with resonant microstructures and optical interconnects harvesting and routing photons in three diemsnsions (3D) on one chip. We fabricate such combined structures for the first time by using two-photon laser lithography and a photoresist containing nanodiamonds including nitrogen ...
Bonifaz Alexandro - - 2013
AIM: Diaper dermatitis (DD) is an inflammatory irritating condition that is common in infants. Most cases are associated with the yeast colonization of Candida or diaper dermatitis candidiasis (DDC), and therefore, the signs and symptoms improve with antimycotic treatment. Sertaconazole is a broad-spectrum third-generation imidazole derivative that is effective and ...
Aničin Aleksandar - - 2013
Lysosomal proteases cathepsins B and L (CB, CL) and their endogenous inhibitors stefins A and B (SA, SB) are associated with tumor cell invasion and metastasis. The purpose of this study was to determine the immunohistochemical (IHC) localization of these parameters in tissue sections of 65 patients with operable head ...
Manzanares Sebastián - - 2013
Objective: To evaluate the perinatal outcome of intrauterine growth-restricted preterm twins and contribution of prematurity to morbidity and mortality. Study design: A case-control study of 211 preterm twins: 108 growth-restricted twins matched with 103 normal growth twins of the same gestational age. Mortality and morbidity rates were compared between groups. ...
Maharjan Purna P - - 2013
A conjugated copolymer based on alternating benzo[1,2-b;3,4-b']dithiophene (BDT) donor and dodecyloxy substituted benzo[c][1,2,5]thiadiazole (ABT) acceptor units was prepared for application in organic solar cells. A power conversion efficiency (PCE) of ∼3% with a short-circuit current (Jsc) of 7.63 mA cm(-2), an open-circuit voltage (Voc) of 0.71 V and a fill-factor ...
Odoms-Young Angela M - - 2013
OBJECTIVE: The present study assessed the impact of the 2009 food packages mandated by the Special Supplemental Nutrition Program for Women, Infants, and Children (WIC) on dietary intake and home food availability in low-income African-American and Hispanic parent/child dyads. DESIGN: A natural experiment was conducted to assess if the revised ...
Playford Denese - - 2013
Aim: Student and assessor performance were examined over three academic years using the mini Clinical Evaluation Exercise (mCEX) as a continuous feedback tool across all disciplines, in all learning contexts, for an entire integrated undergraduate year. Methods: Students could complete any number of mCEX, but had to submit a minimum ...
Roy Choudhury Samrat - - 2013
Nanosized elemental sulfur (ES) is already reported to exert superior antimicrobial efficacy than micron-sized ES, which encourages their use in drugs and therapeutics. The aim of the present study is to explore the possible route and mode of antimicrobial action of orthorhombic (α-SNPs) and monoclinic (β-SNPs) allotropes of sulfur, respectively, ...
Shi Weijia - - 2013
Background: Helicobacter pylori (H. pylori) infection is reportedly associated with extra-digestive diseases, such as immune thrombocytopenic purpura and coronary heart disease. The risk factors for autoimmune thyroid diseases (ATDs) remain largely unknown, and whether H. pylori infection is associated with ATDs is still controversial. The aim of this meta-analysis was ...
Cho Siwoo - - 2013
Immunoisolation membranes have been developed for various cell encapsulations for therapeutic purposes. However effective encapsulation systems have been hindered by low oxygen (O2) permeability or imperfect immunoisolation caused by either low porosity or non-uniform pore geometry. Here, we report an encapsulation method that uses an anodic aluminum oxide membrane formed ...
Stefanik Joshua J - - 2013
BACKGROUND: Patellofemoral joint (PFJ) malalignment (lateral patella displacement and tilt) has been proposed as a cause of patellofemoral pain. Patella height and/or the morphologic features of the femoral trochlea may predispose one to patella malalignment. QUESTIONS/PURPOSES: The purposes of our study were to assess the associations among patella height, morphologic ...
Adeyi Okoh - - 2013
The 2-(3-biphenyl-2-ol)-6-iminepyridines, 2-(3-C12H8-2-OH)-6-(CH[double bond, length as m-dash]NAr)C5H3N (Ar = 2,6-i-Pr2C6H3 (-H), 2,4,6-Me3C6H2 (-H)), have been prepared in high yield via sequential Suzuki coupling, deprotection and condensation reactions from 2-methoxybiphenyl-3-ylboronic acid and 2-bromo-6-formylpyridine. Treatment of -H with Pd(OAc)2 or (MeCN)2PdCl2 results in deprotonation of -H to afford the discrete square planar ...
Ishii Masaru - - 2013
Recent advances in optical imaging with two-photon excitation microscopy have enabled visualization of the inside of intact bone tissues in living animals. Using these advanced techniques, the dynamic behaviors of live bone cells and static histological information on bone tissue structures can be elucidated. The migration and positioning of osteoclast ...
Otsuki Michio - - 2013
In many sliding systems consisting of solid object on a solid substrate under dry condition, the friction force does not depend on the apparent contact area and is proportional to the loading force. This behaviour is called Amontons' law and indicates that the friction coefficient, or the ratio of the ...
Güzel Ahmet Barış - - 2013
Recent studies have clearly defined the vaginopathic Candida albicans strains that cause severe vulvovaginal candidiasis (VVC). Therefore, genotyping C. albicans isolates may predict the success of and assist in choosing the appropriate antifungal therapy. The purpose of this study was to compare the genotypes of C. albicans isolates causing VVC ...
Jana Avijit - - 2013
A series of carboxylic acids including amino acids were protected as their corresponding fluorescent ester conjugates by coupling with an environment sensitive fluorophore 9-methylacridine. Photophysical properties of all the ester conjugates along with the protecting group have been investigated. Interestingly, the emission properties of the ester conjugates and 9-methylacridine were ...
Gunnell David - - 2013
BACKGROUND: Sleep problems may lead to, or be symptomatic of, depression and other mental illnesses yet few studies have investigated their association with suicide risk. DESIGN: Prospective cohort study. SETTING: Taiwan. PARTICIPANTS: 393,983 men and women aged 20 or above participating in the MJ health check-up programme. RESULTS: There were ...
Tian Changwei - - 2013
Coffee consumption has been linked to risk of colorectal cancer theoretically, but the findings were conflicting from observational studies. Results from the recent meta-analysis suggested a moderate favorable effect of coffee consumption on colorectal cancer risk, especially for colon cancer. However, the relationship, if exists, between coffee consumption and colorectal ...
Choi Youna - - 2013
This study evaluated the osteoinductive effect of recombinant human bone morphogenetic protein-2 (rhBMP-2)-coated biphasic calcium phosphate (BCP) carrier system on the grafted sinus area including surrounding tissues and the Schneiderian membrane. Total 18 male rabbits were used in this study; two for in vitro and 16 for in vivo experiments. ...
Prieto Luis - - 2013
Objective: The effect of spirometric maneuvers on exhaled nitric oxide (NO) at the constant flow rate of 50 ml/s (FENO) has been studied with equivocal results. Furthermore, the effects of spirometry on bronchial NO flux (J'awNO) and alveolar NO (CANO), two measurements increasingly being used in clinical and research protocols, ...
Ariff Iqbal Mohamed - - 2013
Japanese encephalitis virus (JEV) predominantly infects neurons and causes damage to the central nervous system (CNS). Neural stem/progenitor cells (NSPCs) constitute multi-potent stem cell population in postnatal/adult brain, with capacity to differentiate into neurons, astrocytes or oligodendrocytes. NSPCs are known to play a pivotal role in CNS repair mechanisms during ...
Varges Daniela - - 2013
We discuss relevant aspects in two siblings with a neurodegenerative process of unclear aetiology who developed progressive dementia with global aphasia and hyperoral behaviour at the ages of 39 and 46 years and who died 6 and 5 years after disease onset. The cases were reported to the National Reference Center for ...
Ishijima Sumio - - 2013
The function of Ca(2+) and cAMP in extruding doublet microtubules from sea urchin sperm axoneme and generating flagellar waves was investigated in order to clarify the regulatory mechanism of microtubule sliding and the formation mechanism of beating patterns of cilia and flagella. Almost all potentially asymmetric spermatozoa that were demembranated ...
Cai Menghao - - 2013
Effects of different light conditions on development, growth, and secondary metabolism of three marine-derived filamentous fungi were investigated. Darkness irritated sexual development of Aspergillus glaucus HB1-19, while white, red, and blue lights improved its asexual behavior. The red and blue lights improved asexual stroma formation of Xylaria sp. (no. 2508), ...
Solanki Kusum - - 2013
Cell lytic enzymes represent an alternative to chemical decontamination or use of antibiotics to kill pathogenic bacteria, such as listeria. A number of phage cell lytic enzymes against listeria have been isolated and possess listericidal activity; however, there has been no attempt to incorporate these enzymes onto surfaces. We report ...
Ebisawa Takashi - - 2013
Genetic studies have revealed several clock gene variations/mutations involved in the manifestation of sleep disorders or interindividual differences in sleep-wake patterns, but only part of the genetic risk can be explained by the gene variations/mutations identified to date. Recent progress in research into circadian rhythm generation has provided efficient tools ...
Gheno S M - - 2013
The BiMeVOx family of compounds appears to be more attractive for applications at low temperatures when ionic conductivity is the determining parameter. The objective of this study was to analysis the influence of voltage of the behavior of the Schottky barrier in both BiCuVOX and BiTiVOX. The samples were analyzed ...
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