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Results 301 - 350 of 2633
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Quental Carlos - - 2012
Finite element analyses, with increasing levels of detail and complexity, are becoming effective tools to evaluate the performance of joint replacement prostheses and to predict the behaviour of bone. As a first step towards the study of the complications of shoulder arthroplasty, the aim of this work was the development ...
Iglesias-Linares Alejandro - - 2012
External apical root resorption (EARR) is a frequent iatrogenic problem following orthodontic treatment in endodontically-treated teeth, about which the literature reports substantial variability in post-orthodontic treatment EARR responses. The main focus of the present study is to clarify whether variants in the interleukin-1 receptor antagonist gene coding for the IL-1ra ...
Liu Hao - - 2012
The phytochemistry, cardiovascular pharmacology, toxicology, side effect, and further development prospects of Gardenia jasminoides J. Ellis (GJE) and its main constituents crocins and iridoid glycosides were studied. Numerous studies have confirmed that crocins and iridoid glycosides had effects of antioxidation, anti-inflammatory, anti-atherosclerosis, anti-ischemic brain injuries, anti-platelet aggregation, anti-hyperglycemia, anti-hyperlipidemia, anti-hypertension, ...
Sasakawa Kôji - - 2012
Many parasitoid wasps learn host-associated cues and use them in subsequent host-searching behavior. This associative learning, namely "oviposition learning," has been investigated in many studies. However, few studies have compared multiple species, and no comparative study has previously been conducted on ectoparasitoid species. We compared the effects of oviposition learning ...
Sabounchei Seyyed Javad - - 2012
Reaction of sulfonium ylides (Me)(2)SCHC(O)C(6)H(4)R (R = H; m-NO(2); p-NO(2); p-OMe; p-Me and p-Br) with AgNO(3) in dichloromethane leads to various compounds. Single crystal X-ray diffraction analysis reveals that the adducts take 3 forms: (i) two-dimensional polymer, [AgNO(3)(Me(2)SCHC(O)C(6)H(5))](n) (), with nitrate bridges in which each nitrate coordinates to three silver ...
Thapa Raj Kumar - - 2012
Abstract Psoriasis is a chronic relapsing inflammatory skin disorder affecting 2-3 % of world population. In present context, a novel topical formulation that could deliver tacrolimus effectively for psoriasis treatment would be of great interest. Liquid crystalline nanoparticle (LCN) is one of the potential drug delivery systems for topical drug ...
Fiorentino Francesco - - 2012
In this study, we aimed to explore the utility of chromosomal microarray analysis (CMA) in groups of pregnancies with a priori low risk for detection of submicroscopic chromosome abnormalities, usually not considered an indication for testing, in order to assess whether CMA improves the detection rate of prenatal chromosomal aberrations. ...
Rusz Orsolya - - 2012
The standard of care in bone metastases is antiresorptive therapy. If present in the bone, tumor cells induce a vicious cycle by stimulating the osteoclasts, which further accelerates tumor progression. The widely-used bisphosphonates or the new therapeutic option, denosumab an inhibitor of the receptor activator of NF-κB ligand (RANKL), interrupt ...
Baiocchi Glauco - - 2012
BACKGROUND: Adenocarcinoma (AC) of the cervix comprises 15-20 % of all cervical carcinomas, and data regarding the prognostic value of histologic type after pelvic exenteration (PE) are lacking. Our aim was to analyze the prognostic value of histologic type in overall survival (OS) and disease-specific survival (DSS) after PE and correlate ...
Verhagen Josine - - 2012
Longitudinal surveys measuring physical or mental health status are a common method to evaluate treatments. Multiple items are administered repeatedly to assess changes in the underlying health status of the patient. Traditional models to analyze the resulting data assume that the characteristics of at least some items are identical over ...
Murata Kazuya - - 2012
Improvement in blood fluidity leads to the prevention of various lifestyle-related diseases. A raw material for improving blood fluidity has been long desired in the research area of functional and supplemental foods. We successfully showed an improvement in blood fluidity by the Zingiberaceae plant, Kaempferia parviflora. The rhizome of the ...
Hatano Ken-Ichi - - 2012
We have previously demonstrated that dark materials (DM) in acidified molasses are effectively adsorbed to Amberlite XAD7HP resin and are eluted from the resin with 0.1 M sodium hydroxide. In this paper, we have characterized the self-assembly behavior of molasses DM by using dynamic and static light scattering in combination with ...
Zinzani Pier Luigi - - 2012
Bronchial-associated lymphoid tissue (BALT) lymphoma is an extranodal primary pulmonary lymphoma. The optimal therapy for this rare disease is still debated, and few heterogeneous data are available in literature. The aim of our study was to critically review data of patients with BALT lymphoma treated in first-line therapy with fludarabine ...
Che Brita Ngum - - 2012
ABSTRACT: Phytanic acid (PA) is a bioactive compound found in milk which is derived from the phytol chain of chlorophyll and the content of PA in milk-fat depends on the availability of phytol from feed. In this study, the content of PA diastereomers was analyzed in milk sampled from five ...
Rojas Alex - - 2012
Two imidazolium cations containing a benzyl group, 1-benzyl-3-methylimidazolium and 1-benzyl-2,3-dimethylimidazolium, generally produce the large pore zeolite MTW when used as structure directing agents in the synthesis of pure silica zeolites by the fluoride route. When working at low water contents only the smallest of these cations is able to crystallize ...
Yeates Peter - - 2012
Competency-based models of education require assessments to be based on individuals' capacity to perform, yet the nature of human judgment may fundamentally limit the extent to which such assessment is accurately possible. To determine whether recent observations of the Mini Clinical Evaluation Exercise (Mini-CEX) performance of postgraduate year 1 physicians ...
Mantha S - - 2012
Vitamin K antagonists (VKAs) were, until recently, the only option for chronic anticoagulation in patients with atrial fibrillation. Three new oral anticoagulants have been tested for this indication in recent randomized trials: dabigatran, rivaroxaban, and apixaban. They offer the promise of consistent effect without the need for monitoring drug levels. ...
Kornfeld Ari - - 2012
Laboratory studies indicate that plant respiratory efficiency may decrease in response to low nutrient availability, due to increased partitioning of electrons to the energy-wasteful alternative oxidase (AOX). Field confirmation of this hypothesis is lacking, however. We therefore investigated plant respiratory changes associated with succession and retrogression in soils aged from ...
Mendes Ana Vilela - - 2012
The epidemiological dimension of mental health problems in childhood and its impact warrant new studies. Knowledge about the predictors of mental health in children is scant in developing countries. The present study estimated the prevalence of psychiatric disorders in Brazilian school-age children based on a community sample from primary health ...
Meier Anja - - 2012
Chronic infection with the human hepatitis B virus (HBV) is a global health problemand themain cause ofprogressive liver diseases. HBVexhibits a narrow host range,replicatingprimarilyin hepatocytes. Both, host and hepatocyte specificity presumably involvespecific receptorinteractionson the target cell; however, direct evidence for this hypothesis is missing. Followingthe observation that HBV entry isspecifically ...
Cheng D - - 2012
Mahogunin is an important mediator of chromogenesis and neurodegeneration. Mahoganoid is a mutation of the mahogunin gene, which causes a pleiotropic phenotype that includes suppression of obesity, spongiform neurodegeneration and improvement of insulin sensitivity. Our previous research found that mahoganoid widely expressed in the male rat reproductive system, and mahoganoid-deficient ...
Kustikova O S - - 2012
The transcription factor Evi1 plays an outstanding role in the formation and transformation of hematopoietic cells. Its activation by chromosomal rearrangement induces a myelodysplastic syndrome with progression to acute myeloid leukemia of poor prognosis. Similarly, retroviral insertion-mediated upregulation confers a competitive advantage to transplanted hematopoietic cells, triggering clonal dominance or ...
Andersen Andreas - - 2012
Interest in cytokines as markers for the function of the immune system is increasing. Methods quantifying cytokine concentrations are often subject to detection limits, which lead to non-detectable observations and censored distributions. When distributions are skewed, geometric mean ratios (GMRs) can be used to describe the relative concentration between two ...
Rieusset Jennifer - - 2012
The role of intracellular calcium (Ca(2+) ) signaling in the control of insulin sensitivity remains unclear. Based on the recently observed role of the mitochondrial chaperone cyclophilin D in regulating Ca(2+) , endoplasmic reticulum (ER), and glucose homeostasis, we used cyclophilin D knock-out (cypD-KO) mice to study the role of ...
Pusic Andrea L - - 2012
PURPOSE: Lymphedema following breast cancer surgery remains a common and feared treatment complication. Accurate information on health-related quality of life (HRQOL) outcomes among patients with lymphedema is critically needed to inform shared medical decision making and evidence-based practice in oncologic breast surgery. Our systematic review aimed to (1) identify studies ...
Longo E - - 2012
BACKGROUND: Despite growing interest in the topic of participation, the construct has not yet been assessed in children and adolescents with and without cerebral palsy (CP) in Spain. As there are no available instruments to measure participation in leisure activities which have been adapted in this country, the goal of ...
Lachal J - - 2012
Childhood obesity is a complex condition involving medical, social, moral and cultural issues. Qualitative approaches are of great value in understanding this complexity. This meta-synthesis of 45 qualitative studies deals specifically with the issue of obesity in children and adolescents from different perspectives - those of obese children and adolescents, ...
Rinke S - - 2012
This practice-based study evaluates the clinical performance of conventionally luted metal-ceramic and zirconia molar crowns fabricated with pronounced anatomical core design and a prolonged cooling period of the veneering porcelain. Fifty-three patients were treated from 07/2008 until 07/2009 with either metal-ceramic crowns (MCC) (high-noble alloy + low-fusing porcelain) or zirconia crowns (Cercon ...
Di Lernia Vito - - 2012
Abstract Psoriasis in patients with early onset follows an irregular course with tendency to become severe and extensive. The aim of this study was to look for an association between age at onset of psoriasis and use of biologic agents for its treatment. We reviewed the medical records of 350 ...
Faisal Mohammad - - 2012
Synseed technology is one of the most important applications of plant biotechnology for in vitro conservation and regeneration of medicinal and aromatic plants. In the present investigation, synseeds of Rauvolfia tetraphylla were produced using in vitro-proliferated shoots upon complexation of 3 % sodium alginate and 100 mM CaCl(2). The encapsulated buds were ...
Hawkins Clifford Matthew - - 2012
Transarterial radioembolisation with yttrium-90 (TARE-Y90), a catheter-directed therapy, has been used extensively in adults to treat primary and secondary hepatic malignancies. To our knowledge, the use of this palliative technique has not been described in children. We present two children with unresectable hepatocellular carcinoma (HCC) treated with TARE-Y90.
Baes C - - 2012
Genetically reducing boar taint using low-taint lines is considered the most sustainable and economic long-term alternative to surgical castration of male pigs. Owing to the high heritability of the main boar taint components (androstenone, skatole and indole), breeding is an excellent tool for reducing the number of tainted carcasses. To ...
Gintis Herbert - - 2012
McCullough et al.'s target article is a psychological version of the reputation models pioneered by biologist Robert Trivers (1971) and economist Robert Frank (1988). The authors, like Trivers and Frank, offer an implausible explanation of the fact that revenge is common even when there are no possible reputational effects. I ...
Najajreh Yousef - - 2012
Chronic myeloid leukemia (CML) is characterized by the presence of p210(Bcr-Abl) which exhibits an abnormal kinase activity. Selective Abl kinase inhibitors have been successfully established for the treatment of CML. Despite high rates of clinical response, CML patients can develop resistance against these kinase inhibitors mainly due to point mutations ...
Chatterjee Saurav - - 2012
The two newer antiplatelet drugs, prasugrel and ticagrelor have both been incorporated in various national guidelines and are both under consideration for approval or have already been approved by various drug regulatory authorities. Mortality benefits with clopidogrel were comparable to newer anti-platelets, and prasugrel had great anti-ischemic potency than ticagrelor. ...
Chang Jia-Lin - - 2012
We have developed an analytical approach for computing Franck-Condon integrals (FCIs) of harmonic oscillators (HOs) with arbitrary dimensions in which the mode-mixing Duschinsky effect is taken into account. A general formula of FCIs of HOs was obtained and was applied to study the photoelectron spectroscopy of vinyl alcohol and ovalene ...
Krupinska Karin - - 2012
Investigations over many decades have revealed that nucleoids of higher plant plastids are highly dynamic with regard to their number, their structural organization and protein composition. Membrane attachment and environmental cues seem to determine the activity and functionality of the nucleoids and point to a highly regulated structure-function relationship. The ...
Carbone Giuseppe - - 2012
We investigate the effect of statistical properties of the surface roughness on its superhydrophobic properties. In particular we focus on the liquid-solid interfacial structure and its dependence on the coupled effect of surface statistical properties and drop pressure. We find that, for self-affine fractal surfaces with Hurst exponent $H>0.5$, the ...
O'Brien K - - 2012
BACKGROUND AND PURPOSE: Little is known about calcifications associated with pediatric intracranial arterial aneurysms (IAA). We sought to characterize calcifications associated with pediatric IAA according to aneurysm pathogenetic subtype. MATERIALS AND METHODS: Patients with IAA less than 20 years of age were retrospectively identified. Three fellowship-trained neuroradiologists independently reviewed each patient's ...
Bitetto Davide - - 2012
Recent data suggest that vitamin A modulate the expression of type I interferon receptor enhancing the anti replication effect of interferon-α on hepatitis C virus (HCV). This study aimed to investigate the prevalence of vitamin A deficiency among patients with chronic HCV infection and to assess whether vitamin A deficiency ...
Haso Fadi - - 2012
A macroion, having anisotropic surface charge density distribution, shows unique self-assembly behaviour in polar solvents. Regular "blackberry"-like assemblies form in methanol-water mixtures due to counter-ion mediated attraction and the strong contribution of hydrogen bonding. However, rod-like assemblies form in acetone-water mixtures as the charge inhomogeneity effect overcomes the non-directional hydrogen ...
Kotzé Izak A - - 2012
(1)H NMR chemical shift concentration dependence as well as the diffusion coefficients from DOSY NMR of mixed ligand [Pt(II)(1,10-phenanthroline)(N-pyrrolidyl-N-(2,2-dimethylpropanoyl)thiourea)]Cl ([Pt(II)(phen)(L(1)-S,O)]Cl) dissolved in mixtures of acetonitrile-water in the range 0-30% (v/v) D(2)O-CD(3)CN shows that the complex cation (M(+) = [Pt(II)(phen)(L(1)-S,O)](+)) aggregates to form dimers, 2M(+) ⇌ {M(+)}(2), with association constants ranging ...
Elinav E - - 2012
The mammalian intestinal tract harbors a vast and diverse ecosystem of microbes that are separated from the sterile host milieu by a single layer of epithelial cells. While this bio-geographical configuration is critical for host biological processes, it imposes a risk for microbial penetration and life-threatening systemic invasion. Inflammasomes are ...
Difranco Stephen A - - 2012
Mo(NMe(2))(4) and the tridentate, dipyrrolyl ligand H(2)dpma(mes) were found to form 5-coordinate Mo(NMe(2))(2)(dpma(mes)) (), which exhibits spin-crossover behaviour in solution. The complex is a ground state singlet with a barrier of 1150 cm(-1) for production of the triplet in d(8)-toluene. The complex reacts with 1,1-disubstituted hydrazines or O-benzylhydroxylamine to produce ...
White Arica - - 2012
PURPOSE: Differences in health status and behavioral risk factors may explain racial/ethnic breast cancer disparities. We examined racial/ethnic differences in health status and behaviors among female breast cancer survivors compared to females without breast cancer. METHODS: Using cross-sectional data from the 2009 Behavioral Risk Factor Surveillance System, a national state-based, ...
Schweizer Angélick - - 2012
There are currently few studies exploring doctors' personal perspectives on integrating sexuality into medical consultations. This study focuses on the views of gynaecologists on introducing, or not introducing, sexuality into their work. A total of 30 semi-structured interviews were conducted with gynaecologists in the French-speaking part of Switzerland. The thematic ...
Moriconi Pascale-Audrey - - 2012
ABSTRACT This study examines changes in the alcohol consumption of Canadians aged 55 and older from the 1990s to the 2000s and investigates whether the differences persist after controlling for the socio-demographic composition of the samples. The data included two subsamples of respondents 55 to 74 years of age from ...
Monopoli Marco P - - 2012
The search for understanding the interactions of nanosized materials with living organisms is leading to the rapid development of key applications, including improved drug delivery by targeting nanoparticles, and resolution of the potential threat of nanotechnological devices to organisms and the environment. Unless they are specifically designed to avoid it, ...
Messaï Elmi - - 2012
PURPOSE: Venovenous extracorporeal membrane oxygenation (VV-ECMO) is used to treat severe forms of acute respiratory distress syndrome (ARDS). VV-ECMO management may be confusing due to the lack of information about the interplay between the determinant parameters and their impact on oxygenation. We found a relationship between arterial oxygen saturation (SaO(2)) ...
Dellis Andrew - - 2012
General systems for reciprocity explain the same phenomena as the target article's proposed revenge system, and can explain other cooperative phenomena. We need more reason to hypothesise a specific revenge system. In addition, the proposed calculus of revenge is less sensitive to absolute magnitudes of revenge than it should be.
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