Search Results
Results 401 - 450 of 2215
< 4 5 6 7 8 9 10 11 12 13 14 >
Onal Ibrahim Koral - - 2013
Abstract There are several causes for folate deficiency in Crohn's disease: malnutrition, malabsorption, excess folate utilization and medications. A combination of these factors may be responsible for the deficiency of this vitamin in some cases.
Nazinitsky Allison - - 2013
Transient bradycardia in the critical care setting is frequently caused by hypoxemia or oropharyngeal manipulation. Central lines have been associated with a variety of cardiac arrhythmias, but sinus arrest and asystole have not been previously reported. A 38-year-old woman with multisystem organ failure had several episodes of prolonged sinus arrest, ...
Kusch M - - 2013
Under certain circumstances, the determination of coagulation factor VIII (FVIII) is hampered by assay discrepancies between clotting and chromogenic approaches. These are observed in certain patients' plasma as well as in certain concentrates. We intended to develop a novel assay for the quantification of coagulation FVIII which reflects the physiological ...
Boyer Nathan - - 2013
Initiation of enteral feeding is an important part of the best practice model for critically ill patients. Although nasogastric feeding is appropriate for the majority of patients requiring short-term nutrition support, certain patients benefit greatly from postpyloric feeding. To determine which of 2 specialized enteral tube systems achieved postpyloric placement ...
Gang Yin - - 2013
Nerve transfer is a valid surgical procedure for restoring lower-extremity function after lumbosacral plexus nerve root avulsion. We determined the anatomical feasibility of transferring the obturator and genitofemoral nerves for this purpose. The obturator, genitofemoral and femoral nerves, and the S1 and S2 nerve roots on both sides were exposed ...
Opdal Siri H - - 2013
The purpose of this study was to investigate common polymorphisms in the genes encoding monoamine oxidase A (MAOA) and serotonin transporter (5-HTT) in Norwegian cases of sudden infant death syndrome (SIDS). This was done in order to further elucidate the role of genetic variation in these genes and SIDS. A ...
Carballeira Alexo - - 2013
Background The majority of lip cancer is the squamous cell carcinoma (SCC) type that exhibits clinical and biological characteristics intermediate between skin and oral SCC. The aim of this study was to assess the impact of epidermal growth factor receptor (EGFR) expression on prognosis of lip squamous cell carcinoma (LSCC) ...
Komnatnyy Vitaly V - - 2013
Medical devices employed in healthcare practice are often susceptible to microbial contamination. Pathogenic bacteria may attach themselves to device surfaces of catheters or implants by formation of chemically complex biofilms, which may be the direct cause of device failure. Extracellular bacterial lipases are particularly abundant at sites of infection. Herein ...
Chen Yingzhi - - 2013
Organic nanostructures in terms of porphyrin building blocks have shown great potential in visible-light photocatalytic applications because of their optical, electrical, and catalytic properties. Graphenes are known to provide a high-quality two-dimensional (2D) support for inorganic semiconductor nanostructures to increase the adsorption capability of the photocatalysts and an electron-transfer medium ...
Hines Eleanor E - - 2013
The Relative Risk Model (RRM) is a tool used to calculate and assess the likelihood of effects to endpoints when multiple stressors occur in complex ecological systems. In this study, a Bayesian network was used to calculate relative risk and estimate uncertainty (BN-RRM) in the Puyallup River Watershed. First, we ...
Fernandez Maitane - - 2013
Ethyl glyoxylate N-tosylhydrazone has been identified as an excellent sulfonyl anion surrogate in the DBU-catalyzed conjugate addition reaction with enones and enals for the synthesis of functionalized sulfones. The reaction proceeds under base-catalyzed conditions and provides a direct access to gamma-keto- and gamma-hydroxy-sulfones in a simple and reliable way through ...
Oliveri Ivan Pietro - - 2013
This paper reports the synthesis and a detailed investigation in solution, through (1)H NMR, optical absorption, fluorescence spectroscopy and second-order nonlinear optical studies, on the structure and photophysical properties of a series of unsymmetrical alkoxy-derivatized Schiff-base Zn(II) species bearing on one side an alkyl ammonium bromide as a Lewis base. ...
Müller Philipp - - 2013
We present an electrically tunable 1 × 5 optofluidic router for on-chip light routing. The device can redirect light from an optical input channel into five output channels by exploiting total internal reflection (TIR) at a liquid-liquid interface. The liquid-liquid mirrors, demonstrated for the first time, are tuned using integrated ...
Souri M - - 2013
Factor XIII (FXIII) consists of the A and B subunits (FXIII-A and FXIII-B) and stabilizes fibrin clots. Defects in either the FXIII-A or FXIII-B gene lead to congenital FXIII deficiency, which manifests a life-long haemorrhagic tendency. Thus, prophylactic FXIII replacement therapy is recommended. To establish a management plan for a ...
Chernick Erin T - - 2013
Conformational changes in the conjugated backbone of poly- and oligodiacetylenes (PDAs and ODAs) play an important role in determining the electronic properties of these compounds. At the same time, conformational changes can also result in a folded structure that shows helical chirality. Using D-camphor as a chiral building block, we ...
Landolt M A - - 2013
A congenital heart defect (CHD) can increase the risk of mental health problems in affected children and their parents. The extent to which risk factors for these problems are shared in families or are specific to the individual family member is unclear. Prospective data from the Norwegian Mother and Child ...
Ghosh Upal - - 2013
This manuscript provides practical guidance on the use of passive sampling methods (PSMs) that target the freely dissolved concentration (Cfree ) for improved exposure assessment of hydrophobic organic chemicals in sediments. Primary considerations for selecting a PSM for a specific application include clear delineation of measurement goals for Cfree , ...
Levett Jeffrey - - 2013
Levett J . From cradle of European civilization to grave austerity: does Greece face a creeping health disaster? Prehosp Disaster Med. 2013;28(6):1-2 .
Kisalu Neville K - - 2013
The flagellum of Trypanosoma brucei is an essential and multifunctional organelle that drives parasite motility and is receiving increased attention as a potential drug target. In the mammalian host, parasite motility is suspected to contribute to infection and disease pathogenesis. However, it has not been possible to test this hypothesis ...
Dostalova Zuzana - - 2013
Gamma-aminobutyric acid type A receptors (GABAA Rs) are the most important inhibitory chloride ion channels in the central nervous system, and are major targets for a wide variety of drugs. The subunit compositions of GABAA Rs determine their function and pharmacological profile. GABAA Rs are heteropentamers of subunits, and (α1)2 ...
Paredes Igor - - 2013
Hirayama disease, or juvenile amyotrophy of distal upper extremity, is a benign, self-limiting cervical myelopathy consisting of selective unilateral weakness of the hand and forearm. The weakness slowly progresses until spontaneous arrest occurs within 5 years of onset. The condition predominantly affects Asian males and is thought to be secondary ...
Wrixon Justin D - - 2013
Oxidative addition of the electron-rich tetra-methoxy-dibenzo-1,2,5,6-tetrathiocine [(MeO)2C6H2S2]2 to zero-valent group 10 transition metal complexes in the presence of diphenylphosphinoethane (dppe) affords the corresponding dithiolate complexes, [(DMOBD)M(dppe)] (DMOBD = dimethoxybenzenedithiolato, (MeO)2C6H2S2(2-); M = Ni, Pd, Pt) in high yield which were characterized by single crystal X-ray diffraction. Whereas the Pd and ...
Sinkeldam Renatus W - - 2013
Adenosine deaminase (ADA), a major enzyme involved in purine metabolism, converts an isomorphic fluorescent analogue of adenosine ((th) A) into an isomorphic inosine analogue ((th) I), which possesses distinct spectral features, allowing one to monitor the enzyme-catalyzed reaction and its inhibition in real time. The utility of this sensitive fluorescence-monitored ...
Berman Alan L - - 2013
The suicide risk formulation (SRF) is dependent on the data gathered in the suicide risk assessment. The SRF assigns a level of suicide risk that is intended to inform decisions about triage, treatment, management, and preventive interventions. However, there is little published about how to stratify and formulate suicide risk, ...
Altun Z - - 2013
Cisplatin is an anti-neoplastic agent treatment with which causes many side effects including ototoxicity. The aim of this study was to investigate whether acetyl-l-carnitine would have protective effects on cisplatin-induced ototoxicity in vitro, and if present, to reveal roles of apoptotic gene expressions and pro-inflammatory cytokines. House Ear Institute-Organ of ...
Buratto Jérémie - - 2013
In the search of molecules that could recognize sizeable areas of protein surfaces, a series of ten helical aromatic oligoamide foldamers was synthesized on solid phase. The foldamers comprise three to five monomers carrying various proteinogenic side chains, and exist as racemic mixtures of interconverting right-handed and left-handed helices. Functionalization ...
Panter-Brick Catherine - - 2013
In humanitarian settings, family-level drivers of mental health are insufficiently documented; we examined the strength of caregiver-child associations with two-wave, family-level Afghan data. We recruited a gender-balanced sample of 681 caregiver-child dyads (n = 1,362 respondents) using stratified random-sampling in government schools in Kabul (364 dyads) and refugee schools in Peshawar (317 ...
Liu Yue - - 2013
A new dammarane triterpenoid glycoside named cyclocarioside J (1) and other three known triterpenoid glycosides were isolated from the leaves of Cyclocarya paliurus. Based on ESI-MS, HR-ESI-MS, (1)H NMR, (13)C NMR, and 2D NMR techniques including (1)H-(1)H COSY, HMBC, HMQC, and NOESY correlations, the structure of cyclocarioside J was elucidated ...
Jay C M - - 2013
PDX1 (pancreatic and duodenal homeobox 1) is overexpressed in pancreatic cancer, and its reduction results in tumor regression. Bi-functional pbi-shRNA PDX1 nanoparticle (OFHIRNA-PDX1) utilizes the endogenous micro-RNA biogenesis pathway to effect cleavage- and non-cleavage-dependent degradation of PDX1 mRNA. We have shown that OFHIRNA-PDX1 reduces pancreatic tumor volume in xenograft models. ...
Iitsuka Tomonori - - 2013
Double CH bond activation took place efficiently upon treatment of 3-phenylthiophenes with alkynes in the presence of a rhodium catalyst and a copper salt oxidant to form the corresponding naphthothiophene derivatives. Dehydrogenative coupling with alkenes was also found to occur on the phenyl moiety rather than the thiophene ring. These ...
Gaballah Marian - - 2013
Object The use of cerebral intraoperative angiography has been described in resection of arteriovenous malformations (AVMs) in adults. More recently, studies have described experiences with intraoperative angiography in a small number of children. However, data on the safety and clinical utility of intraoperative angiography in the pediatric population remains limited ...
Hervé Vincent - - 2013
Wood recycling is key to forest biogeochemical cycles, largely driven by microorganisms such as white-rot fungi which naturally coexist with bacteria in the environment. We have tested whether and to what extent the diversity of the bacterial community associated with wood decay is determined by wood and/or by white-rot fungus ...
Bansal Seema - - 2013
Object Seizure prophylaxis is used in a variety of conditions, including supratentorial intracranial hemorrhage (ICH). In adults, studies have demonstrated phenytoin as the drug of choice for seizure prophylaxis; in children, levetiracetam is often provided due to its favorable side effect profile and pharmacokinetics. This study evaluated the difference in ...
Kantor Ellen - - 2013
Object Haptoglobin allele heterogeneity has been implicated in differential reactive oxidant inhibition and inflammation. Haptoglobin α2-α2 has a lower affinity for binding hemoglobin, and when bound to hemoglobin, is cleared less easily by the body. The authors hypothesized that haptoglobin α2-α2 genotype should be less protective for downstream injury after ...
Hansen Camilla P - - 2013
Previous studies have suggested that the intake of trans-fatty acids (TFA) plays a role in the development of obesity. The proportions of adipose tissue fatty acids not synthesised endogenously in humans, such as TFA, usually correlate well with the dietary intake. Hence, the use of these biomarkers may provide a ...
George Leni - - 2013
Abstract Background: Mycophenolate mofetil (MMF) is increasingly being used by dermatologists to treat various skin conditions, but limited evidence exists regarding its efficacy. Objective: To evaluate safety and efficacy of MMF in the treatment of dermatological conditions. Methods: A retrospective chart review of all the dermatology patients treated with MMF ...
Maeda-Uematsu Aya - - 2013
CCN2/connective tissue growth factor (CTGF) is a unique molecule that promotes both chondrocytic differentiation and proliferation through its matricellular interaction with a number of extracellular biomolecules. This apparently contradictory functional property of CCN2 suggests its certain role in basic cellular activities such as energy metabolism, which is required for both ...
Lalubin Fabrice - - 2013
In disease ecology, there is growing evidence that environmental quality interacts with parasite and host to determine host susceptibility to an infection. Most studies of malaria parasites have focused on the infection costs incurred by the hosts and few have investigated the costs on mosquito vectors. The interplay between the ...
Johnston A - - 2013
Poor quality medicines present a serious public health problem, particularly in emerging economies and developing countries, and may have a significant impact on the national clinical and economic burden. Attention has largely focused on the increasing availability of deliberately falsified drugs, but substandard medicines are also reaching patients because of ...
Sonabend Adam M - - 2013
Object Central nervous system (CNS) hemangiopericytomas are relatively uncommon and unique among CNS tumors as they can originate from or develop metastases outside of the CNS. Significant difference of opinion exists in the management of these lesions, as current treatment paradigms are based on limited clinical experience and single-institution series. ...
Porta F - - 2013
To evaluate the feasibility and reproducibility of ultrasound elastography (UE) in the assessment of healthy patellar tendon and to describe its UE pattern. Twenty-two patellar tendons of 11 out of 16 healthy subjects who met the inclusion criteria were evaluated three times by ultrasound (US) and UE at their proximal, ...
Fujiwara Kenshu - - 2013
Pectenotoxin-2 (PTX2) is a shellfish toxin and has a non-anomeric spiroacetal, which is not stabilized by an anomeric effect. The selective construction of the non-anomeric spiroacetal has been a major problem in the synthesis of PTX2. Described herein is the stereoselective total synthesis of PTX2 via the isomerization of anomeric ...
Jin Guoxiang - - 2013
The tumor suppressor promyelocytic leukaemia protein (PML) is predominantly localized in the nucleus, where it is essential for the formation and stabilization of the PML nuclear bodies (PML-NBs). PML-NBs are involved in the regulation of numerous cellular functions, such as tumorigenesis, DNA damage and antiviral responses. Despite its nuclear localization, ...
Anastassov Ivan - - 2013
Our recent studies have shown that endogenous zinc, co-released with glutamate from the synaptic terminals of vertebrate retinal photoreceptors, provides a feedback mechanism that reduces calcium entry and the concomitant vesicular release of glutamate. We hypothesized that zinc feedback may serve to protect the retina from glutamate excitotoxicity, and conducted ...
Majdi Nabil - - 2013
Predator effects on ecosystems can extend far beyond their prey and are often not solely lethally transmitted. Change in prey traits in response to predation risk can have important repercussions on community assembly and key ecosystem processes (i.e., trait-mediated indirect effects). In addition, some predators may themselves alter habitat structure ...
Batailler Martine - - 2013
Neural stem and precursor cells persist postnatally throughout adulthood and are capable of responding to numerous endogenous and exogenous signals by modifying their proliferation and differentiation. While adult neurogenesis has been extensively studied in the dentate gyrus of the hippocampal formation and in the subventricular zone adjacent to the wall ...
Kumsar Sükrü - - 2013
Women suffer from depression more frequently than men, which indicates that sex hormones might be involved in the etiology of this disease. The purpose of this study was to assess the relationship between testosterone and depression pathophysiology in depressive women along with sexual function. We also investigated whether antidepressant treatment ...
Kauscher Ulrike - - 2013
This article describes light-responsive vesicles that can release their contents in response to a light-sensitive molecular trigger. To this end, liposomes were equipped with amphiphilic β-cyclodextrin that was covalently labeled with azobenzene. Using dye encapsulation and confocal laser scanning microscopy, we show that the permeability of these vesicles strongly increases ...
Gattass Ricardo - - 2013
Area V4 has numerous, topographically organized connections with multiple cortical areas, some of which are important for spatially-organized visual processing, and others of which seem important for spatial attention. Although the topographic organization of V4's connections with other cortical areas has been established, the detailed topography of its connections with ...
Yang Jing - - 2013
Recent genome-wide association studies have shown associations between variants at five loci (TNS1, GSTCD, HTR4, AGER and THSD4) and chronic obstructive pulmonary disease (COPD) or lung function. However, their association with COPD has not been proven in Chinese Han population, nor have COPD-related phenotypes been studied. The objective of this ...
< 4 5 6 7 8 9 10 11 12 13 14 >