Search Results
Results 451 - 500 of 2541
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Köstering Lena - - 2013
In line with the frontal hypothesis of aging, the ability to plan ahead undergoes substantial change during normal aging. Although impairments on the Tower of London planning task were reported earlier, associations between age-related declines and specific cognitive demands on planning have not been studied. Here we investigated the impact ...
Ben Dor Rivka R Section on Behavioral Endocrinology, NIMH, Department of Health and Human Services, Bethesda, MD, - - 2013
The relationship between depression and estrogen withdrawal remains controversial. The authors examined the effects of gonadotropin-releasing hormone agonist-induced ovarian suppression on mood, sleep, sexual function, and nighttime hot flushes. They focused on whether participating women experienced clinically significant depressive symptoms and whether specific symptoms associated with hypogonadism (nighttime hot flushes ...
Tian Wei - - 2013
Oridonin, a diterpenoid isolated from Rabdosia rubescens, has been proven to possess various pharmacological and physiological effects such as anti-inflammation, anti-bacterial, and anti-neoplastic, although in recent years, more attention has been paid to its anti-neoplastic effects. For example, oridonin can trigger cell cycle arrest, apoptosis, and autophagy in different neoplastic ...
Appel Gerald - - 2013
Diabetic nephropathy is becoming increasingly common with the aging of our population and the obesity epidemic. The major ways to prevent or slow its progression are by reducing blood pressure, controlling blood sugar, and inhibiting the renin-angiotensin-aldosterone axis. New therapeutic agents are also being tried.
Wang Pan - - 2013
We demonstrate a simple approach to high-stability light-emitting polymer nanofibers. We show that nonluminescent polyacrylamide (PAM) nanofibers, when being irradiated by electron beams, can be locally activated into light-emitting nanofibers with high resistance to photobleaching, precise emission patterns, spectrally tunable emission, high repeatability, and great mechanical flexibility. Compared to unirradiated ...
Fukunaga Masataka - - 2013
A high-speed algorithm for computing fractional differentiations and fractional integrations in fractional differential equations is proposed. In this algorithm, the stored data are not the function to be differentiated or integrated but the weighted integrals of the function. The intervals of integration for the memory can be increased without loss ...
Charach Alice - - 2013
The US Agency for Healthcare Research and Quality sponsored a comparative effectiveness review of interventions for preschoolers at risk for attention-deficit/hyperactivity disorder (ADHD). Medline, Cochrane CENTRAL, Embase, PsycInfo, and Education Resources Information Center were searched from 1980 to November 24, 2011. Selected studies were comparative, and enrolled children <6 years ...
Kawano Daniel Fábio - - 2013
Chagas Disease (CD), a tropical parasitic disease caused by the flagellate protozoan Trypanosoma cruzi, accounts for the highest burden of parasitic diseases in the Western hemisphere. Current drug treatments for CD are highly toxic and often ineffective, particularly for the chronic stage of the disease, a fact that clearly emphasizes ...
Goedeke Leigh L Department of Medicine, New York University School of Medicine, New York, NY, - - 2013
hsa-miR-33a and hsa-miR-33b, intronic microRNAs (miRNAs) located within the sterol regulatory element-binding protein 2 and 1 genes (Srebp-2 and -1), respectively, have recently been shown to regulate lipid homeostasis in concert with their host genes. Although the functional role of miR-33a and -b has been highly investigated, the role of ...
Zou Ru-Hai - - 2013
Patients with late-stage cancer commonly have distant lymph node metastasis; however, poor health often contraindicates surgical treatment. Although the quality of life and overall survival for these patients are low, there is neither a consensus nor a guide for treatment. Ablation technique and surrouding tissue damage are two possible reasons ...
van den Broek Marianne - - 2013
OBJECTIVE: To assess whether early swelling and tenderness in large joints in patients with rheumatoid arthritis (RA) is predictive of later local damage and whether this leads to functional disability. METHODS: Two-year clinical and 8-year radiological followup data from the BeSt study (trial numbers NTR262 and NTR265), a randomized controlled ...
Devaux Yvan - - 2013
BACKGROUND: -Left ventricular (LV) remodeling after acute myocardial infarction (AMI) is associated with adverse prognosis. MicroRNAs (miRNAs) regulate the expression of several genes involved in LV remodeling. Our aim was to identify miRNAs associated with LV remodeling after AMI. METHODS AND RESULTS: -We studied 90 patients following first ST elevation ...
Xilong Wang - - 2013
How to determine of the trace multi-pesticide residues in fruits is an important problem. Here reports a molecularly imprinted polymer (MIP) which was prepared using 4-(dimethoxyphosphorothioylamino) butanoic acid as the template, acrylamide as the functional monomer and ethylene glycol dimethacrylate (EGDMA) as the cross-linker. The novel imprinted polymer was characterized ...
Smulders Maarten Marinus Johannes - - 2013
We report a detailed binding study addressing both the thermodynamics and kinetics of binding of a large set of guest molecules - with widely varying properties - to a water-soluble metal-organic M4L6 host. The effects of different guest properties upon binding strength and kinetics are elucidated by a systematic analysis ...
Sheu Hong-Li - - 2013
Ab initio and density functional theory computations have been carried out to calculate the structures and vibrational spectra of halobismuthates and haloantimonates of formulas MX6(3-), M2X10(4-), and M2X9(3-) for M = Bi or Sb and X = I, Br, or Cl. The results have been compared to experimental crystal structures ...
Han Jingquan - - 2013
Cellulose nanocrystals and cellulose nanofibers with I and II crystalline allomorphs (designated as CNC I, CNC II, CNF I and CNF II) were isolated from bleached wood fibers by alkaline pretreatment and/or acid-hydrolysis. The effects of concentration, particle size, surface charge, and crystal structure on the lyophilization-induced self-assembly of cellulose ...
Carr Katelyn A KA Department of Pediatrics, University at Buffalo, School of Medicine and Biomedical Sciences, Buffalo, NY 14214-3000, - - 2013
Food reinforcement, or the motivation to eat, has been associated with increased energy intake, greater body weight, and prospective weight gain. Much of the previous research on the reinforcing value of food has focused on the role of dopamine, but it may be worthwhile to examine genetic polymorphisms in the ...
Govindasamy Radhika - - 2013
Complete removal of renal cell tumor with thrombus which extends above the diaphragm often necessitates use of cardiopulmonary bypass. Transesophageal echocardiography (TEE) can play an important role in delineating the extent of tumor growth. We describe a patient with renal cell carcinoma with thrombosis invading into the right ventricle and ...
Hawkins Gary - - 2013
The sea and land surface temperature radiometer (SLSTR) is a nine-channel visible and infrared high-precision radiometer designed to provide climate data of global sea and land surface temperatures. The SLSTR payload is destined to fly on the Ocean and Medium-Resolution Land Mission for the ESA/EU global monitoring for environment and ...
Xia Yang - - 2013
In this Letter we fabricate and characterize suspended silicon (Si) waveguides and ring resonators for mid-infrared wavelength range. Both tunable laser and thermal tuning are used to cover wavelength ranges near 5.2 and 3.4 μm. The loaded quality factors are estimated at 2700 at 5.2 μm and 7900 at 3.4 μm. Heat induced ...
Hillard Paula J Adams - - 2013
The American Congress of Obstetricians and Gynecologists (ACOG) has endorsed intrauterine devices (IUDs) as first-line contraceptive choices for both nulliparous and parous adolescents. The committee opinion did address some of the practical elements of IUD use in adolescents, but because these practical concerns may be barriers to use for both ...
Agnello Davide - - 2013
According to the current paradigm, lymphocyte homing to the small intestine requires the expression of two tissue-specific homing receptors, the integrin α4β7 and the CCL25 receptor CCR9. In this study, we investigated the organ distribution and the homing molecule expression of IgA Ab-secreting cells (ASCs) induced by intrarectal immunization with ...
North Michael S MS Department of - - 2013
We introduce a novel ageism scale, focusing on prescriptive beliefs concerning potential intergenerational tensions: active, envied resource succession, symbolic identity avoidance, and passive, shared-resource consumption (SIC). Four studies (2,010 total participants) were used to develop the scale. Exploratory factor analysis formed an initial 20-item, 3-factor solution (Study 1). The scale ...
Anastasiadis Nikolaos C - - 2013
The initial employment of di-2-pyridyl ketone azine in 4f metal chemistry has led to a unique ligand transformation; the resulting anionic ligand is able to bridge two Ln(III) ions, affording neutral and cationic dinuclear complexes with interesting properties.
Jansen Brenda R J - - 2013
In many decision making tasks negative feedback is probabilistic and, as a consequence, may be given when the decision is actually correct. This feedback can be referred to as nonrepresentative negative feedback. In the current study, we investigated developmental and gender related differences in such switching after nonrepresentative negative feedback. ...
Matsumoto Takeshi - - 2013
The combination of o-phenylenediamine (opda), which possesses two proton- and electron-pooling capability, with Fe(II) leads to the photochemical hydrogen-evolution reaction (HER) in THF at room temperature without addition of photosensitizers. From the THF solution, the tris(o-phenylenediamine) iron(II) complex, [FeII(opda)3](ClO4)2 (1), was isolated as a photoactive species, while the deprotonated oxidized ...
Zahreddine Ramzi N - - 2013
Extended depth of field (EDF) microscopy, achieved through computational optics, allows for real-time 3D imaging of live cell dynamics. EDF is achieved through a combination of point spread function engineering and digital image processing. A linear Wiener filter has been conventionally used to deconvolve the image, but it suffers from ...
Shay Christina M - - 2013
The American Heart Association recently developed definitions and metrics for monitoring the spectrum of cardiovascular health in adolescents and children. Current nationally representative prevalence estimates according to sex and race/ethnicity are unavailable. We examined the components of cardiovascular health in 4673 participants aged 12 to 19 years (representing ≈33.2 million ...
Huang Chao C Process Science Downstream, Bristol-Myers Squibb Company, East Syracuse, New York, - - 2013
This unit discusses several methods for generating large amounts of uniformly labeled, end-labeled, and site-specifically labeled RNAs in vitro. The methods involve a number of experimental procedures, including RNA transcription, 5' dephosphorylation and rephosphorylation, 3' terminal nucleotide addition (via ligation), site-specific RNase H cleavage directed by 2'-O-methyl RNA-DNA chimeras, and ...
Mitchell Rob D - - 2013
Global health (GH) training is well established overseas (particularly in North America) and reflects an increasing focus on social accountability in medical education. Despite significant interest among trainees, GH is poorly integrated with specialty training programs in Australia. While there are numerous benefits from international rotations in resource-poor settings, there ...
Al-Jehani Hosam M - - 2013
Transcranial Doppler is a non-invasive, non-ionizing ultrasound-based imaging modality that is inexpensive with a short learning curve. It can be performed and interpreted at the bedside. This review explores the value of the transcranial Doppler technique as a confirmatory tool for brain death. The early confirmation of brain death enables ...
Kazanskiy Nikolay L - - 2013
We show that general-form optical cavities are able to perform the temporal differentiation of optical signals. Analytical relationships to account for the scattering losses for such a cavity's characteristics are deduced on the basis of temporal coupled-mode theory. A compact nanocavity-aided differentiator based on a ridge photonic crystal waveguide is ...
Alba Luz Helena - - 2013
A systematic review on efficacy and safety of smoking cessation counseling was developed. The ADAPTE methodology was used with a search of Clinical Practice Guidelines (CPG) in Medline, EMBASE, CINAHL, LILACS, and Cochrane. DELBI was used to select CPG with score over 60 in methodological rigor and applicability to the ...
White R D - - 2013
This is the eighth edition of the Recommended Standards for Newborn ICU Design. It contains substantive changes in recommendations for patient room size and feeding preparation areas, and a number of refinements of previous Recommended Standards with respect to family space, hand hygiene, lighting and other aspects of the newborn ...
Weymar Mathias - - 2013
Numerous studies suggest that anxious individuals are more hypervigilant to threat in their environment than nonanxious individuals. In the present event-related potential (ERP) study, we sought to investigate the extent to which afferent cortical processes, as indexed by the earliest visual component C1, are biased in observers high in fear ...
Capparelli Rosanna R Department DiSSPAPA, University of Naples, Portici, Naples, - - 2013
The study demonstrates that in cattle, animals heterozygous at the MyD88 A625C polymorphic marker have a 5-fold reduced risk for active pulmonary tuberculosis (odds ratio [OR] = 0.19; P = 6 × 10(-12)). The reduced risk, however, does not extend to animals with latent pulmonary tuberculosis (OR = 0.83; P ...
Coquet Jonathan M - - 2013
CD4(+)Foxp3(+) regulatory T cells (Treg cells) are largely autoreactive yet escape clonal deletion in the thymus. We demonstrate here that CD27-CD70 co-stimulation in the thymus rescues developing Treg cells from apoptosis and thereby promotes Treg cell generation. Genetic ablation of CD27 or its ligand CD70 reduced Treg cell numbers in ...
Defoirdt Tom T Laboratory of Aquaculture & Artemia Reference Center, Ghent University, Ghent, Belgium. - - 2013
There currently is more and more interest in the use of natural products, such as tea polyphenols, as therapeutic agents. The polyphenol compound pyrogallol has been reported before to inhibit quorum-sensing-regulated bioluminescence in Vibrio harveyi. Here, we report that the addition of 10 mg · liter(-1) pyrogallol protects both brine ...
Wei Meifen - - 2013
This study was conducted to examine under what situation (i.e., when individuals used more or less family support) and for whom (i.e., those with high or low self-esteem) perceived racial discrimination would or would not have a significant positive association with psychological distress. A total of 95 Asian American male ...
Balasubramaniyan Natarajan N Department of Pediatrics and Children's Hospital Colorado Research Institute, University of Colorado School of Medicine, Aurora, CO 80045, - - 2013
Small ubiquitin-like modifiers (SUMO) are covalently conjugated to other proteins including nuclear receptors leading to modification of various cellular processes. Ligand-dependent SUMOylation of farnesoid X receptor (FXR) negatively regulates the expression of its target genes. SUMO modification attenuates the capacity of FXR to function as a transcriptional activator. Defining post-translation ...
Chowdhry Vivek - - 2013
Immune thrombocytopenic purpura (ITP) patients are at high-risk for bleeding complications during and after cardiac surgeries involving cardiopulmonary bypass. We report a patient with ITP with severe coronary artery disease and mitral valve regurgitation who underwent uncomplicated coronary artery bypass grafting and mitral valve replacement. Three weeks later, the patient ...
Tsai Tsung-Han - - 2013
We describe a single-shot polarization spectral imager that combines two birefringent crystals with a binary coded aperture to encode the spatial, spectral and polarization data cube for compressive sampling on a two-dimensional (2D) detector array. We use a total variation prior to reconstruct the four-dimensional (4D) data cube from the ...
Lyons A Bruce - - 2013
The technique described in this unit uses the intracellular fluorescent label carboxyfluorescein diacetate succinimidyl ester (CFSE) to track proliferating cells. Covalently bound CFSE is divided equally between daughter cells, allowing discrimination of successive rounds of cell division. The technique is applicable to in vitro cell division, as well as to ...
Chidgey Kirsty L - - 2013
This research aimed to evaluate sow welfare and identify potential welfare compromise in specific group housing systems for sows in New Zealand. The relationship between overall welfare outcome on-farm and sow productivity was also investigated. Twenty commercial farms were chosen to represent the spectrum of layouts and management practices of ...
Arteaga Oriol - - 2013
In general the transmission of polarized light through a homogeneous depolarizing sample has motion-reversal symmetry because the response remains the same for light traveling in the opposite direction. As a consequence, the optical properties of a sample, characterized by the differential Mueller matrix, must be invariant upon motion reversal. This ...
Cortez-Lugo Marlene - - 2013
To study the relationship between light absorption measurements of PM2.5 at various distances from heavy traffic roads and diesel vehicle counts in Mexico City. PM2.5 samples were obtained from June 2003-June 2005 in three MCMA regions. Light absorption (b abs) in a subset of PM2.5 samples was determined. We evaluated ...
Eisenberg David - - 2013
Cost is a major barrier to adolescents' ability to obtain long-acting reversible contraception (LARC). By reviewing the available literature on this issue, we provide a framework to understand how insurance coverage, out-of-pocket expenses, parental involvement, and recent pregnancy can impact access. We provide examples of cost-free access to LARC for ...
Kumar Vinod - - 2013
A fluorescent turn-on sensor has been devised for the selective and sensitive detection of sulfur mustard simulants in water using a metal-ion indicator displacement assay (IDA). In this IDA approach, a sulfur mustard simulant (the analyte) is allowed to react with a dithiol (1) to form a podand (2). This ...
Kim Hong-Kyun - - 2013
SummaryBialveolar protrusion and dental crowding seems to have common features in terms of aetiology and treatment method, although they result in different facial profiles and tooth alignment. The aim of this longitudinal study is to determine when children begin to show bialveolar protrusive traits in order to get more clue ...
Hirsch Oliver - - 2013
Psychological constructs depend on cultural context. It is therefore important to show the equivalence of measurement instruments in cross-cultural research. There is evidence that in Russian-speaking immigrants, cultural and language issues are important in health care. We examined measurement equivalence of the Patient Health Questionnaire-9 (PHQ-9), the Patient Health Questionnaire-15 ...
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