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Results 351 - 400 of 3049
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Wang Shuixian - - 2013
The Yanqi Basin in Xinjiang Province is an important agricultural area with a high population density. The extensive agricultural activities in the Yanqi Basin started in the 1950s with flood irrigation techniques. Since then, the groundwater table was raised because of the absence of an efficient drainage system. This obstacle ...
Smith Harry - - 2013
It was with immense sadness and a sense of deep loss that we at P,C&E learnt of the sudden death on 6 February 2013 of Paul Jarvis FRS, one of the four original founding editors of the journal. As the first Chief Editor, and coincidentally almost the same age as ...
Saragoni Luca - - 2013
BACKGROUND: The prevention and early diagnosis of gastric cancer permit clinicians to discover the tumor in the initial phase, during which time it can be completely eradicated, endoscopically or surgically. Since Murakami gave the definition of early gastric cancer (EGC) in 1971, many authors have identified various subtypes of EGC ...
Kaltalioglu Kaan - - 2013
Platelet-derived growth factor (PDGF), an important stimulant, plays a role in almost all stages of wound healing process. In various studies, it has been shown that PDGF has healing effects in this process. In the present study, we especially focused on investigating the effects of exogenous PDGF administration on oxidative ...
Wan Junyi - - 2013
ABSTRACT: BACKGROUND: Late gadolinium enhancement (LGE) is identified frequently in LVNC. However, the features of this findings are limited. The purpose of the present study was to describe the frequency and distribution of LGE in patients meeting criteria for left ventricular non-compaction (LVNC), as assessed by cardiovascular magnetic resonance (CMR). ...
Manivannan Jeganathan - - 2013
Vascular calcification due to elevated phosphate levels is the major contributor of cardiovascular dysfunction. The oxidative stress and gene expression events modulate the transdifferentiation of vascular smooth muscle cells into osteogenic phenotype. This present study intends to evaluate the dose-dependent effect of diosgenin, an antioxidant on high phosphate induced vascular ...
Kitamura Kei - - 2013
An improved practical synthesis of L-vancosamine-related glycosyl donors is described. The key steps include (1) stereoselective addition of methylcerium reagent to oximino ether and (2) stereoselective hydrogenation of exocyclic unsaturated glycoside in the presence of Wilkinson catalyst with C(5) inversion to give L-vancosamine derivatives. Three glycosyl donors were prepared, and ...
Jak Amy J - - 2013
Cognitive enhancement strategies have gained recent popularity and have the potential to benefit clinical and non-clinical populations. As technology advances and the number of cognitively healthy adults seeking methods of improving or preserving cognitive functioning grows, the role of electronic (e.g., computer and video game based) cognitive training becomes more ...
Isella V - - 2013
The MiniMental Parkinson (MMP) has been derived from the MiniMental State Examination (MMSE) for the screening of cognitive impairment in Parkinson's disease by adding subtests that were focused on executive and visuo-spatial impairment more than on memory or language deficits. In this multicenter study, the psychometric and validity properties of ...
Uribe Laura - - 2013
Antisynthetase antibody syndrome is a rare autoimmune disease that may present with variable systemic manifestations, mainly polymyositis, interstitial lung disease, skin lesions, and Raynaud's phenomenon. This diagnosis should always come to mind in patients that present with signs of myositis, dermatomyositis, or polymyositis associated with interstitial lung disease. On the ...
Narum Sigrid - - 2013
OBJECTIVE: The aim of the study was to analyse non-warfarin-associated bleeding adverse drug events reported to the Norwegian spontaneous reporting system, with characterisation of the bleeding locations, outcome and drug interactions. In addition, concordance in assessments between reporters and evaluators, trend shifts in reporting, and detection of potentially new adverse ...
Sica Gigliola - - 2013
The therapeutic use of stem cells and tissue engineering techniques are emerging in urology. Here, stem cell types, their differentiating potential and fundamental characteristics are illustrated. The cancer stem cell hypothesis is reported with reference to the role played by stem cells in the origin, development and progression of neoplastic ...
Lavernia Carlos J - - 2013
BACKGROUND: High readmission rates are viewed by the Centers for Medicare & Medicaid Services as a quality of care determinant but it is unclear whether readmission rates per se reflect quality and the drivers of readmissions after hip arthroplasty remain unclear. QUESTION/PURPOSES: We therefore describe the effects of (1) insurance, ...
Kohara Kaori - - 2013
Carboxylated SiO(2)-coated α-Fe nanoparticles have been successfully prepared via CaH(2)-mediated reduction of SiO(2)-coated Fe(3)O(4) nanoparticles followed by surface carboxylation. These α-Fe-based nanoparticles, which are characterized by ease of coating with additional functional groups, a large magnetization of 154 emu per g-Fe, enhanced corrosion resistivity, excellent aqueous dispersibility, and low cytotoxicity, ...
Xiong G - - 2013
To assess the beneficial and adverse effects of orally therapies of Chinese herb formulae (CHF) for erectile dysfunction (ED), four electronic databases were searched until 23 June 2012. Randomised clinical trials testing CHF or combined with Western medicine therapy (WMT) against placebo, another different CHF and WMT were included. Study ...
Chen Chao - - 2013
We report the complementary resistive switching (CRS) behaviors in aluminum nitride (AlN)-based memory devices as the promising new material system for large-scale integration of passive crossbar arrays. By utilizing different electrodes (Cu, Pt, and TiN), CRS characteristics are demonstrated in both TiN/AlN/Cu/AlN/TiN electrochemical metallization cells and Pt/AlN/TiN/AlN/Pt ionic resistive switching ...
O'Ferrall Erin K - - 2013
Introduction: Hypertrophy of the nerve roots of the cauda equina may occur with both acquired and inherited neuropathies. Although selective nerve root involvement of the sensory roots has been described and termed chronic inflammatory sensory polyradiculoneuropathy (CISP), selective involvement of the proximal motor roots has not been described. Methods: Clinical, ...
Wright Louise B - - 2013
Harnessing the properties of biomolecules, such as peptides, adsorbed on inorganic surfaces is of interest to many cross-disciplinary areas of science, ranging from biomineralisation to nanomedicine. Key to advancing research in this area is determination of the peptide conformation(s) in its adsorbed state, at the aqueous interface. Molecular simulation is ...
Mecca Tommaso - - 2013
Water soluble amphiphilic calix[8]arenes have been found to form pH-responsive and reversible supramolecular hydrogels at sub-millimolar concentration. Depending on their upper rim functionalization, pH variations trigger hydrogelation under basic or acidic conditions. Studies on self-organization processes by atomic force microscopy (AFM) measurements on differently charged surfaces are reported.
Scheid Taína - - 2013
Neuropathic pain is a very common dysfunction caused by several types of nerve injury. This condition leads to a variety of pathological changes in central nervous system regions related to pain transmission. It has been demonstrated that nociception is modulated by reactive oxidative species and treatments with antioxidant compounds produce ...
Zhou Zun Qiang - - 2013
BACKGROUND: Treatment options for patients with portal vein (PV) stenosis or occlusion after surgery are limited. The purpose of this study was to investigate the efficacy and safety of PV stent placement in patients with portal vein occlusion or stenosis after radical operation for hepatobiliary pancreatic malignant tumour. METHODS: We ...
Tanaka Atsuhiro - - 2013
A functionalized plasmonic Au/TiO(2) photocatalyst with an Ag co-catalyst was successfully prepared by the combination of two types of photodeposition methods, and it quantitatively converted nitrobenzene and 2-propanol to aniline and acetone under irradiation of visible light.
Ercolano Lisa B - - 2013
BACKGROUND: Infection about a megaprosthesis is a dreaded complication. Treatment options vary from débridement alone to staged revisions, arthrodesis, and amputation. Indications for how to treat this complication are unclear. QUESTIONS/PURPOSES: We therefore determined (1) the incidence of perimegaprosthetic infections, (2) the methods of treatment, (3) the number of patients ...
Bogamuwa Srimathi - - 2013
Tandem CCCH Zinc Finger proteins (TZFs) are post-transcriptional regulators of gene expression in animals and yeast. Genetic studies indicate that plant TZFs are involved in hormone mediated developmental and environmental responses. We have demonstrated previously that Arabidopsis AtTZF1 can localize to Processing Bodies (PBs) and Stress Granules (SGs), and affects ...
Wang Le - - 2013
Reported here is the first crystalline inorganic-organic hybrid material combining In, Ge, and Cu. The trimetallic system undergoes a nanoscale separation into small In-Ge-S supertetrahedral T2 clusters and large In-Cu-S T5 clusters, which are further assembled into a T2-T5 mixed layer. This material reveals the long-range crystallographically ordered assembly from ...
Nelson Kristina Y - - 2013
The treatment process described in this research explores the impact of exposing water samples containing fecal coliforms to the radiation produced by single ultraviolet (UV) light-emitting diodes (LEDs) operating at 265 nm. UV LEDs are long lasting, compact in size and produce more efficient light output than traditional mercury-vapour bulbs, making ...
Qing Yan - - 2013
Trimethyltin chloride (TMT) has been known as a classic neurotoxicant which can cause serious neuronal degeneration diseases. Nuclear factor κB (NF-κB) and mitogen-activated protein kinases (MAPKs) signaling pathways play pivotal role in the central nerves system. In the present study, the intracellular pathways involved in TMT-induced apoptosis on human neuroblastoma ...
Wu Shu-Qi - - 2013
A supramolecular strategy has been applied to construct two tetranuclear lanthanide complexes for investigating the magnetic properties of individual lanthanide ions. The Ln(III) complexes (Ln = Dy, Tb) display field-induced slow magnetization relaxation, typical of single-molecule magnet behavior. The four lanthanide ions in the molecules are well separated by distances ...
Ong Kimberly - - 2013
Abstract Aquatic organisms are susceptible to waterborne nanoparticles (NP).
Põlme Sergei - - 2013
Much of the macroecological information about microorganisms is confounded by the lack of standardized methodology, paucity of metadata and sampling effect of a particular substrate or interacting host taxa. This study aims to disentangle the relative effects of biological, geographical and edaphic variables on the distribution of Alnus-associated ectomycorrhizal (ECM) ...
Li Hong-Lei - - 2013
AIMS: Alzheimer's disease (AD) and Parkinson's disease (PD) are the most prevalent neurodegenerative disorders that may share some overlapping etiologies. Mutations within leucine-rich repeat kinase 2 (LRRK2) have been reported to be responsible for PD, and the location of LRRK2 is within a linkage peak for sporadic AD (SAD). The ...
Deng Liu - - 2013
Hybrid AuNCs@SiO(2)@GQDs nanocomposites were synthesized via a multistep procedure; GQDs located near AuNCs showed enhanced fluorescent intensities and improved photostabilities. AuNCs@SiO(2)@GQDs nanocomposites allowed specific visualization of EGFR on cancer cells.
Arslan Yildiz Ahu - - 2013
The hERG (human ether-à-go-go-related gene) potassium channel has been extensively studied by both academia and industry because of its relation to inherited or drug-induced long QT syndrome (LQTS). Unpredicted hERG and drug interaction affecting channel activity is of main concern for drug discovery. Although there are several methods to test ...
Barlow Tim - - 2013
Non- or mal-union of the clavicle is reported to occur in up to 15 % of conservatively treated fractures: the purpose of this systematic review is to examine the evidence for the use of external fixation in the treatment of clavicular non-union. We performed a search of MEDLINE and Embase, including ...
Sun Jianling - - 2013
Crataegus sanguinea is a wild plant, which has been widely grown in the north and south of the Tianshan mountains in Xinjiang. In order to explore their anti-cancer properties, edible wild plants from Xinjiang have been tested for their antitumor properties. We used Ames tests, mouse bone marrow polychromatic erythrocytes ...
Munro Jacob T - - 2013
BACKGROUND: Dislocation continues to commonly cause failure after primary and revision total hip arthroplasty (THA). Fully constrained liners intended to prevent dislocation are nonetheless associated with a substantial incidence of failure by redislocation, mechanical failure, aseptic loosening, or a combination. Constrained liners with cutouts of the elevated rims can theoretically ...
Igic Boris - - 2013
1 I. 1 II. 3 III. 5 IV. 8 V. 9 10 References 10 SUMMARY: A compound hypothesis positing that self-fertilization is an evolutionary dead end conflates two distinct claims: the transition from outcrossing to selfing is unidirectional; and the diversification rate, or the balance of the speciation and extinction ...
Kitazawa Soichiro - - 2013
It is becoming increasingly clear that proteins transiently populate high-energy excited states as a necessary requirement for function. Here, we demonstrate that rational mutation based on the characteristics of the structure and dynamics of proteins obtained from pressure experiments is a new strategy for amplifying particular fluctuations in proteins. We ...
Van Den Eeden Stephen K - - 2013
ABSTRACT: BACKGROUND: Studies of the impact of type 2 diabetes on the prevalence and incidence of lower urinary tract symptoms (LUTS) among men have provided divergent results. We sought to examine this issue using two large and diverse cohorts. METHODS: This study used questionnaire and clinical data from two large ...
Schnelldorfer Thomas - - 2013
BACKGROUND: Gallbladder wall calcifications, otherwise known as porcelain gallbladder, have received considerable attention due to its perceived association with gallbladder carcinoma. While the perception of a strong correlation persists, more recent reports raise conceivable doubts. STUDY DESIGN: A systematic literature search was conducted of human studies describing gallbladder wall calcification ...
Karussis Dimitrios - - 2013
It is widely accepted that the main common pathogenetic pathway in multiple sclerosis (MS) involves an immune-mediated cascade initiated in the peripheral immune system and targeting CNS myelin. Logically, therefore, the therapeutic approaches to the disease include modalities aiming at downregulation of the various immune elements that are involved in ...
Wang Connie J - - 2013
Although water is essential for life, its use for medicinal purposes is not universally accepted. We performed a comprehensive review of the literature to determine where the evolving state of knowledge lies regarding the benefits of water as a therapy for renal diseases. In the past two decades, water has ...
Liu Yang - - 2013
The objective of the current study was to investigate the expression pattern and clinicopathological significance of differentiated embryo-chondrocyte-expressed gene 1 (DEC1) in patients with non-small-cell lung cancer (NSCLC). In 118 archived NSCLC tissues, the positive rate of DEC1 was reduced in human lung cancer samples (36/118, 30.5 %) compared with adjacent ...
Opik Maarja - - 2013
We aimed to enhance understanding of the molecular diversity of arbuscular mycorrhizal fungi (AMF) by building a new global dataset targeting previously unstudied geographical areas. In total, we sampled 96 plant species from 25 sites that encompassed all continents except Antarctica. AMF in plant roots were detected by sequencing the ...
Torun Emel - - 2013
Abstract Aim: To evaluate the clinical and biochemical findings of the children and adolescents with vitamin D deficiency and insufficiency in order to determine the clinical and biochemical presentation differences between age groups. Methods: This retrospective study included a review of medical reports of 543 patients (aged between 1-17 years) ...
Gutiérrez-Dávila Marcos - - 2013
Abstract The aim of this study was to test the effect that changing targets during a simple long lunge attack in fencing exerts on the temporal parameters of the reaction response, the execution speed, and the precision and the coordination of the movement pattern. Thirty fencers with more than 10 ...
Kavurmac─▒ Murat - - 2013
This paper focuses on the evaluation of water quality variations in Hirfanl─▒ Water Reservoir, which is one of the most important water resources in Turkey, through EO-1 (Earth Observing-1) Advanced Land Imager (ALI) multispectral data and real-time field sampling. The study was materialized in 20 different sampling points during the ...
Felten Michael K - - 2013
PURPOSE: In patients developing malignant pleural mesothelioma (MPM) or lung cancer, using effective tumour markers is the quickest way to ensure early diagnosis and improve survival time. The aim of our study was to assess the influence of age and asbestos exposure on the blood levels of the proposed tumour ...
Furuta Shunsuke - - 2013
Antineutrophil cytoplasm antibody (ANCA)-associated vasculitis (AAV) is a group of vasculitides characterized by small-to-medium-sized blood vessel vasculitis and the presence of ANCA. Although our understanding of the causes of AAV remains limited, new information supporting an autoimmune basis is emerging. This review highlights recent progresses in etiology, pathogenesis, classification, and ...
González-Molero I - - 2013
The aim of this study was to assess the relationship between obesity and vitamin D status cross-sectionally, the relationship between obesity and the incidence of hypovitaminosis D prospectively and inversely the relationship between vitamin D status and incidence of obesity in a population-based cohort study in Spain. At baseline (1996-1998), ...
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