Search Results
 Results 251 - 300 of 4465 < 1 2 3 4 5 6 7 8 9 10 11 > 251 Nelson Rachael K - - 2013 ABSTRACT: BACKGROUND: This study examined the independent association of objectively measured physical activity on insulin resistance while controlling for confounding variables including: cardiorespiratory fitness, adiposity, sex, age, and smoking status. METHODS: Data were obtained from National Health and Nutrition Examination Survey 2003--2004, a cross-sectional observational study conducted by the National ... 252 Sunni Muna - - 2013 OBJECTIVE: To examine whether insulin requirements and diabetes control differ between adolescents and adults with cystic fibrosis related diabetes (CFRD). METHODS: All CFRD patients on insulin therapy seen at the University of Minnesota outpatient clinic from 1 January 2011 to 1 June 2012 were identified. Hemoglobin A1c (HbA1c) levels obtained ... 253 Stickgold Robert - - 2013 The brain does not retain all the information it encodes in a day. Much is forgotten, and of those memories retained, their subsequent evolution can follow any of a number of pathways. Emerging data makes clear that sleep is a compelling candidate for performing many of these operations. But how ... 254 Nijmeijer S - - 2013 BACKGROUND AND PURPOSE: The histamine H(4) receptor, originally thought to signal merely through Gα(i) -proteins, has recently been shown to also recruit and signal via β-arrestin2. Following the discovery that the reference antagonist indolecarboxamide JNJ 7777120 appears to be a partial agonist in β-arrestin2 recruitment, we have identified additional biased ... 255 Mistri Tarun - - 2013 A 7-nitrobenz-2-oxa-1,3-diazole (NBD) derived turn-on fluorescent probe () exhibits a reversible binding to Cu(2+) ion in presence of other metal ions, giving ∼20 fold increase in fluorescence intensity. The apparent association constant (K(a)) for Cu(2+) was found to be 2.62 × 10(4) M(-1). The intracellular Cu(2+) imaging behaviour of chemosensor ... 256 Vlamakis Hera - - 2013 Biofilms are ubiquitous communities of tightly associated bacteria encased in an extracellular matrix. Bacillus subtilis has long served as a robust model organism to examine the molecular mechanisms of biofilm formation, and a number of studies have revealed that this process is regulated by several integrated pathways. In this Review, ... 257 Gooren Louis J - - 2013 Transgender people sometimes use cross-sex hormones without medical supervision. The use of cross-sex hormones, as well as the functional health and mental well-being, among male-to-female transgendered people ('kathoeys') in Chiang Mai, Thailand, was studied. Sixty kathoeys were interviewed regarding their use of cross-sex hormones and their family relationships. Individuals also ... 258 Polimeni Manuela - - 2013 Natural hemozoin (nHZ), a lipid-bound ferriprotoporphyrin IX crystal produced by Plasmodium parasites after hemoglobin catabolism, seriously compromises the functions of human monocytes, and 15-hydroxyeicosatetraenoic acid (15-HETE) and 4-hydroxynonenal (4-HNE), two nHZ lipoperoxidation products, have been related to such a functional impairment. nHZ was recently shown to promote inflammation-mediated lysozyme release ... 259 Zhou Huiqiong - - 2013 A significant enhancement of efficiency in thieno[3,4-b]-thiophene/benzodithiophene:[6,6]-phenyl C71-butyric acid methyl ester (PTB7:PC(70) BM) solar cells can be achieved by methanol treatment. The effects of methanol treatment are shown in an improvement of built-in voltage, a decrease in series resistance, an enhanced charge-transport property, an accelerated and enlarged charge extraction, and ... 260 Yang Lijun - - 2013 A high power conversion efficiency of 10.24% can be obtained in a dye-sensitized solar cell by incorporating multiwall carbon nanotubes inside a TiO(2) nanorod photoanode. The multiwall carbon nanotubes in the nanorod can effectively collect and transport photogenerated electrons reducing the recombination as well as improving efficiency of the device. 261 Cho Jae-Hyun - - 2013 Although intracranial electroencephalography (iEEG) has been widely used to localize epileptogenic zones in epilepsy, visual inspection of iEEG recordings does not always result in a favorable surgical outcome, especially in secondary generalized epilepsy such as Lennox-Gastaut syndrome (LGS). Various computational iEEG analysis methods have recently been introduced to confirm the ... 262 Maesa José-María - - 2013 In this work, we study the electrochemical behaviour of skatole, one of the compounds responsible for the offensive smell in pork meat that is known as boar taint, at different metal and carbon electrodes. We then demonstrate for the first time that skatole and indole, the main electroactive interferent potentially ... 263 Han Song-I - - 2013 This paper presents an effective electrorotation technique for measuring the dielectric properties of cells using a superposed electrical signal, which can simultaneously generate negative quadrupolar dielectrophoretic (nQDEP) force and electrorotational (ROT) torque. The proposed technique involves a three-dimensional (3D) octode, which includes four electrodes arranged in a crisscross pattern on ... 264 Hernandez-Garcia Luis - - 2013 While magnetic resonance imaging of static magnetic fields generated by external probes has been previously demonstrated, there is an unmet need to image time-varying magnetic fields such as those generated by transcranial magnetic stimulators and radiofrequency hyperthermia probes. A method to image such time-varying magnetic fields is introduced in this ... 265 Chavez Anthony H - - 2013 The purpose of this study was to determine the incidence rate of prostate cancer among men with erectile dysfunction (ED) treated with phosphodiesterase type 5 inhibitors (PDE-5i) over a 7-year period vs. men with ED of the same age and with similar risk factors who were not treated with PDE-5i. ... 266 Thomsson Mats - - 2013 Abstract Objective. To evaluate, in a case series, survival rate and complications of Brånemark Integration BioHelix(™) dental implants, placed according to conventional procedures in patients treated consecutively in a Swedish specialist private practice after 5 years. Materials and methods. Eighty-three consecutively-treated patients received 89 final fixed prostheses supported by 310 ... 267 Suzuki Shigeru - - 2013 BACKGROUND: As the presence of fetal hemoglobin (HbF) affects the accuracy of hemoglobin A1c (HbA1c) analysis methods, HbA1c measurement may not be a good indicator for patients with neonatal diabetes mellitus, whereas glycated albumin (GA) may be a good indicator. OBJECTIVE: To investigate whether total glycated hemoglobin (GHb) or HbF-adjusted ... 268 Li Xiaohua - - 2013 Chromium oxide (Cr(2)O(3)) nanoparticles were found to greatly enhance the chemiluminescence (CL) of the luminol-hydrogen peroxide (H(2)O(2)) system. A novel microarray CL method was originally developed for the detection of triacetone triperoxide (TATP). The novel CL method was based on the outstanding catalytic effect of a Cr(2)O(3) nanoparticle array on ... 269 Duan Qi - - 2013 An MRI method based on the Bloch-Siegert (BS) shift phenomenon was recently proposed as a fast and precise way to map a radio frequency (RF) transmit field (B(1) (+) field). For MRI at high field, the mapping sensitivity of this approach was limited by tissue heating associated with a BS ... 270 Levine Ross L - - 2013 Abstract Although dose-intensive chemotherapy and stem cell transplantation offers the possibility of cure to adults with acute myeloid leukemia (AML), outcomes remain unsatisfactory for the majority of adults with this malignancy [1]. Indeed, more than 60% of adults with AML die from relapsed disease, such that the primary challenge in ... 271 Derdikman-Eiron Ruth - - 2013 The aim of this paper was to investigate whether psychosocial functioning in adulthood (e.g., friends support, cohabitation, community connectedness and work satisfaction) could be predicted by mental health, subjective well-being, social relations and behavior problems in adolescence, and whether gender was a moderator in these associations. Data were obtained from ... 272 Ostojic Sergej M - - 2013 Guanidinoacetic acid (GAA) is the natural biosynthetic precursor of creatine, in a metabolic reaction that requires only a methyl group transfer. The use of GAA as a food additive for restoring creatine load in human tissues is rather unexplored and data on efficacy and safety are limited. In particular, an ... 273 Tanaka Koyu - - 2013 We report a case of a 40-year-old male who had a left ventricular thrombus with impaired cardiac function. The thrombus was completely removed using a video-assisted thoracoscopy via a right mini-thoracotomy. This approach is less invasive, avoiding sternotomy and ventriculotomy which can cause postoperative complications. 274 Khadim Muhammad Faheem - - 2013 Abstract Complex compound and comminuted phalangeal fractures are often surrounded by soft tissue injuries. Stabilising such fractures is not easy but is essential before early mobilisation to prevent stiffness and regaining hand function. Several designs of external fixators have been advocated but could not simultaneously offer simplicity, affordability, stability, and ... 275 Huang He - - 2013 Using two-dimensional (2D) correlation analysis technique to determine the sequential order of physical or chemical events has received keen interests in the past ten years. However, our continuous work demonstrates that the sequential order of events determined by the "sequential order" rules of this technique may lead to ambiguous or ... 276 Di Pietro Cinzia - - 2013 PROBLEM: Chronic endometritis (CE) is a poorly investigated and probably underestimated pathology, which may cause abnormal uterine bleeding (AUB), pain, and reproductive failures. Due to undefined symptoms and the normal presence of leukocytes in the endometrial mucosa, diagnosis may be missed. Fluid hysteroscopy is a reliable technique for diagnosing this ... 277 Soong Yean Yean - - 2013 In Asia, rice and rice products are the main sources of carbohydrate contributing to both dietary energy and glycaemic load. It is known that complexation of starch with lipids could potentially reduce the availability of starch to enzymatic degradation. The aim of this study was to investigate the effect of ... 278 Zhao Ruogang - - 2013 A novel bio-magnetomechanical microtissue system is described for magnetic actuation of arrays of 3D microtissues using microcantilevers. This system enables both in situ measurements of fundamental mechanical properties of engineered tissue, such as contractility and stiffness, as well as dynamic stimulation of the microtissues. Using this system, cell and extracellular ... 279 Zhao Man-Li - - 2013 In the present study, zero-trans alpha-linolenic acid (ALA) and medium-chain fatty acids (MCFA)-enriched plastic fats were synthesized through enzymatic interesterification reactions from highly hydrogenated soybean oil (HSO), Cinnamomum camphora seed oil (CCSO) and perilla oil (PO). The reactions were performed by incubating the blending mixtures of HSO, CCSO and PO ... 280 Lin Che-An - - 2013 Simultaneous mycotic aortic aneurysms are a rare but life-threatening complication. We describe the technique of one stage hybrid open debranching and endovascular repair using three thoracic stent-graft devices deployed to cover the whole aorta to exclude multiple mycotic aneurysms. 281 Jeremias Fabiano - - 2013 Abstract Objective. This cross-sectional study assessed the prevalence and severity of the enamel defects, known as Molar-Incisor Hypomineralization (MIH) and its relationship to dental caries. Materials and methods. A sample of 1157 schoolchildren (population based), aged 6-12 years, of the Araraquara city-Brazil, was evaluated according to the European Academy of ... 282 Carmona-Calero E M - - 2013 The p73 proteins are present in different kinds of cells of the central nervous system, such as the choroid plexus, circumventricular structures and neuroepithelium. It has been reported that spontaneously hypertensive rats show ventricular dilation, changes in cerebrospinal fluid proteins and variations in the circumventricular structures such as the organum ... 283 Kobuchi Shinji - - 2013 Abstract We studied the effects of oxidative stress (OS) on the pharmacokinetics of atazanavir (ATV), particularly the distribution of ATV in the plasma and its metabolism in hepatic microsomes, using a rat model of ferric-nitrilotriacetate-induced OS (OS rats). The areas under the plasma concentration-time curves for intravenous bolus, oral, and ... 284 Zheng Yun-Feng - - 2013 A green and efficient method for large-scale preparation of glycyrrhizic acid from licorice roots was developed by combination of polyamide and macroporous resin. The entire preparation procedure consisted of two simple separation steps. The first step is to use polyamide resin to remove licorice flavoniods from the licorice crude extract. ... 285 Hamady Z Z R - - 2013 BACKGROUND: Obesity and tissue adiposity constitute a risk factor for several cancers. Whether tissue adiposity increases the risk of cancer recurrence after curative resection is not clear. The present study analysed the influence of hepatic steatosis on recurrence following resection of colorectal liver metastases. METHODS: A prospective cohort of patients ... 286 Howarth Robyn A - - 2013 Childhood brain tumor survivors are at increased risk for neurocognitive impairments, including working memory (WM) problems. WM is typically assessed using performance measures. Little is known about the value of parent ratings for identifying WM difficulties, the relationship between rater and performance measures, or predictors of parent-reported WM problems in ... 287 Coates Nelson E - - 2013 The electrical behavior of a conducting-polymer/inorganic-nanowire composite is explained with a model in which carrier transport occurs predominantly through a highly conductive volume of polymer that exists at the polymer-nanowire interface. This result highlights the importance of controlling nanoscale interfaces for thermoelectric materials, and provides a general route for improving ... 288 Furusaka Tohru - - 2013 Abstract Conclusion: P-glycoprotein is abundantly expressed in certain parotid mucoepidermoid carcinoma tissues, known historically to be multidrug resistant. This discovery may be important in incrementally advancing our ability to develop alternative pharmacologic strategies to improve multi-modality tumor control. Objective: P-glycoprotein plays a functional role in promoting the efflux of drug ... 289 Charron Danielle Marie - - 2013 Terahertz (THz) spectroscopic imaging is a promising technique for distinguishing pharmaceuticals of similar molecular composition but differing crystal structures. Physicochemical properties, for instance bioavailability, are manipulated by altering a drug's crystal structure through methods such as cocrystallisation. Cocrystals are molecular complexes having crystal structures different from those of their pure ... 290 Bourdiec Amélie - - 2013 PROBLEM: Successful embryonic implantation requires an appropriate communication network between the embryo and its near environment within the implantation site. Herein, we examined whether human chorionic gonadotropin (hCG), the major embryonic signal, targets endothelial cells and regulate their responsiveness to interleukin 1 (IL1), one of the earliest signals released by ... 291 Spasyuk Denis - - 2013 Catalyst tune-up: A readily available, air-stable amino-sulfide catalyst, [RuCl(2) (PPh(3) ){HN(C(2) H(4) SEt)(2) }], has been developed. This complex displays outstanding efficiency for the hydrogenation of a broad range of substrates with CX bonds (esters, ketones, imines), as well as for the acceptorless dehydrogenative coupling of ethanol to ethyl acetate. 292 Ueda Manabu - - 2013 It is well known that propolis has the ability to prevent hyperglycemia. However, the underlying mechanism is not yet fully understood. We therefore investigated whether a Brazilian propolis ethanol extract affects glucose uptake and translocation of insulin-sensitive glucose transporter (GLUT) 4 in skeletal muscle cells. In L6 myotubes, the extract ... 293 Billingsley-Marshall Rebecca L - - 2013 OBJECTIVE: We examined the influence of depression and anxiety on executive function in individuals with a DSM-IV diagnosis of anorexia nervosa-restricting type, anorexia nervosa-binge-eating/purging type, bulimia nervosa, or eating disorder not otherwise specified. METHOD: We assessed 106 women after their inpatient treatment in an eating disorders program. All participants were ... 294 Loader Benjamin - - 2013 Abstract Conclusion: Tenotomy is a promising surgical alternative with a high reduction in dizziness handicap in the short and long term. Objectives: To investigate the immediate and the long-term effect of tenotomy of the stapedius and tensor tympani muscles on subjective dizziness as measured by the Dizziness Handicap Inventory (DHI). ... 295 Ladeira Carina - - 2013 The International Agency for Research on Cancer classified formaldehyde as carcinogenic to humans because there is "sufficient epidemiological evidence that it causes nasopharyngeal cancer in humans". Genes involved in DNA repair and maintenance of genome integrity are critically involved in protecting against mutations that lead to cancer and/or inherited genetic ... 296 Fanali Gabriella - - 2013 Given the ability of human serum albumin (HSA) to bind hydrophobic ligands, the binding mode of α-tocopherol, the most representative member of the vitamin E family, is reported. α-Tocopherol binds to HSA with K $_{\rm d}^0$ = (7.0 ± 3.0) × 10(-6) M (pH 7.2, 25.0°C). Competitive and allosteric modulation ... 297 Hedenqvist Patricia - - 2013 ABSTRACT: BACKGROUND: Anaesthesia in rabbits is associated with a high mortality rate, compared to that in cats and dogs. Total intravenous anaesthesia (TIVA) with drugs that provide cardiovascular stability and are rapidly metabolised could be of benefit for use in rabbits. The aim was to evaluate cardiorespiratory effects of TIVA ... 298 Schacter Daniel L - - 2013 A recent decision in the United States by the New Jersey Supreme Court has led to improved jury instructions that incorporate psychological research showing that memory does not operate like a video recording. Here we consider how cognitive neuroscience could contribute to addressing memory in the courtroom. We discuss conditions ... 299 Genders Amanda J - - 2013 We examined insulin's uptake and transendothelial transport (TET) by cultured bovine aortic endothelial cells (BAECs) in order to: a) ascertain whether insulin accumulates within the cells to concentrations greater than in the media; b) compare the TET of insulin to that of inulin (using the latter as a tracer for ... 300 Sonntag Diana - - 2013 The International AIDS Vaccine Initiative recommends targeting resources to research institutions in developing countries in order to accelerate the development of an effective HIV vaccine. In contrast, this paper shows that neither lump-sum nor in-kind transfers are an effective policy. We analyze several financing mechanisms as a means to overcome ... < 1 2 3 4 5 6 7 8 9 10 11 >