Search Results
Results 501 - 550 of 1591
< 6 7 8 9 10 11 12 13 14 15 16 >
Busquets Santacana Rosa - - 2012
Heterocyclic amines (HCAs) are mutagenic/carcinogenic compounds formed at ng/g levels during frying meat or fish. The effect of the normal intake of dietary HCAs in humans and their involvement in the aetiology of cancer are currently unknown. In this work a new extraction method, liquid phase micro-extraction (LPME) with hollow ...
Verma Dinesh Kumar - - 2012
We study the dynamics of the Mercury Beating Heart (MBH) system in an acidic solution in the absence of a strong oxidant. Furthermore, the system is subjected to an external square wave potential. It was observed that different shapes (circular, elliptical, triangular and multi-lobed stars) of the mercury drop could ...
Walden A T - - 2013
Rotary analysis decomposes vector motions on the plane into counter-rotating components, which have proved particularly useful in the study of geophysical flows influenced by the rotation of the Earth. For stationary random signals, the motion at any frequency takes the form of a random ellipse. Although there are numerous applications ...
Heyman Gail D - - 2012
Children's reasoning about the credibility of positive and negative evaluations of academic performance was examined. Across 2 studies, 7- and 10-year-olds from the United States and China (N = 334) judged the credibility of academic evaluations that were directed toward an unfamiliar peer. In Study 1, participants from China responded ...
- - 2013
Infections caused by Clostridium difficile in hospitalized children are increasing. The recent publication of clinical practice guidelines for C difficile infection in adults did not address issues that are specific to children. The purpose of this policy statement is to provide the pediatrician with updated information and recommendations about C ...
Conway Paul - - 2012
Dual-process theories of moral judgment suggest that responses to moral dilemmas are guided by two moral principles: the principle of deontology states that the morality of an action depends on the intrinsic nature of the action (e.g., harming others is wrong regardless of its consequences); the principle of utilitarianism implies ...
Li Bo - - 2012
A series of naphthyridinol analogs of α-tocopherol (α-TOH) with varying sidechain substitution were synthesized to determine how systematic changes in the lipophilicity of these potent antioxidants impact their radical-trapping activities in lipid bilayers, regenerability by water-soluble reductants and binding to human tocopherol transport protein (TTP). The activities of the naphthyridinols ...
Schlegel Rebecca J - - 2012
The present research used multiple methods to examine the hypothesis that perceived true self-knowledge and decision satisfaction are inextricably linked together by a widely held "true-self-as-guide" lay theory of decision making. Consistent with this proposition, Study 1 found that participants rated using the true self as a guide as more ...
Kozak Karol - - 2012
Large-scale RNA interference experiments, especially the ones based on short-interfering RNA (siRNA) technology have become increasingly popular over the past years. Obviously, the sequence (and structure) of the corresponding siRNA is a key factor in obtaining reliable results in these large-scale studies, and the companies use a variety of algorithms ...
Tanioku Chiaki - - 2012
We investigated the thermochromic behavior of polydiacetylenes including the carboxy and 4-carboxyphenyl groups as the side-chain substituents adjacent to the conjugated main-chain, and then the thermal stability and the thermochromism reversibility of the polymers were related to changes in the polymer conformations monitored by IR and Raman spectroscopies, and powder ...
Kim Jihyo - - 2012
Analysis of protein dynamics using single-molecule fluorescence resonance energy transfer (smFRET) is widely used to understand the structure and function of proteins. Nonetheless, site-specific labeling of proteins with a pair of donor and acceptor dyes still remains a challenge. Here we present a general and facile method for site-specific dual ...
Richard Edo - - 2012
OBJECTIVE To evaluate the association of late-life depression with mild cognitive impairment (MCI) and dementia in a multiethnic community cohort. DESIGN AND SETTING A cohort study was conducted in Northern Manhattan, New York, New York. PARTICIPANTS A total of 2160 community-dwelling Medicare recipients aged 65 years or older were included ...
Passow Susanne - - 2012
Multitalker situations confront listeners with a plethora of competing auditory inputs, and hence require selective attention to relevant information, especially when the perceptual saliency of distracting inputs is high. This study augmented the classical forced-attention dichotic listening paradigm by adding an interaural intensity manipulation to investigate developmental differences in the ...
Lee Matthew K - - 2012
OBJECTIVE To report outcomes in free flap reconstructive surgery in the setting of calcified arteriosclerosis affecting the flap pedicle. DESIGN Retrospective review, including a detailed analysis of medical records, histopathologic findings, and a comprehensive review of the literature. METHODS A total of 1329 consecutive microvascular free tissue transfers were performed ...
Dow Sarah J - - 2012
National efforts have focused on improving adolescent substance use disorder (SUD) treatment outcomes, yet improvements remain modest. Because adolescents are noteworthy for heterogeneity in their clinical profiles, treatment might be enhanced by the identification of clinical subgroups for which interventions could be more effectively tailored. Some of these subgroups, such ...
Lee Cindy - - 2012
Background: Malignant bowel obstruction (MBO) is common in patients with advanced cancer. Aim: To perform a phase II study to assess the feasibility of conducting a phase III trial investigating the therapeutic value of gastrografin in MBO. METHODS: Randomized double-blinded placebo-controlled feasibility study. Participants received 100 mL of either gastrografin ...
Vitányi Paul M B - - 2013
We can discover the effective similarity among pairs of finite objects and denoise a finite object using the Kolmogorov complexity of these objects. The drawback is that the Kolmogorov complexity is not computable. If we approximate it, using a good real-world compressor, then it turns out that on natural data ...
Fandakova Yana - - 2012
Based on a 2-component framework of episodic memory development across the lifespan (Shing & Lindenberger, 2011), we examined the contribution of memory-related binding and monitoring processes to false memory susceptibility in childhood and old age. We administered a repeated continuous recognition task to children (N = 20, 10-12 years), younger ...
Cherian Christie Thomas - - 2012
Interconnected network of CoMoO4 sub-micron particles are prepared by thermolysis of polymer matrix based metal precursor solution. The material exhibits a high reversible capacity of 990 (±10) mAh g-1 at a current density of 100 mA g-1, with 100 % capacity retention between 5- 50 cycles. In comparison, CoMoO4 nano-plates ...
Meleady Rose - - 2012
A robust finding in social dilemmas research is that individual group members are more likely to act cooperatively if they are given the chance to discuss the dilemma with one another. The authors investigated whether imagining a group discussion may represent an effective means of increasing cooperative behavior in the ...
de Ven Bart Van - - 2012
In the present study, the relation between emotional job demands and emotional exhaustion was investigated, as was the moderating role of emotional job resources and emotional support seeking on this relation. We hypothesized a positive lagged effect of emotional job demands on emotional exhaustion, and proposed that this relation is ...
Ramírez Álvarez Elizeth - - 2012
Bifurcations are detected in experiments involving the electrochemical oxidation of copper in phosphoric acid. Ideally, a bifurcation detection protocol requires a model with good qualitative and quantitative prediction capabilities that is also able to reproduce the drift inherent to the electrochemical experiment. A generic protocol for manipulation of nonlinear systems ...
Dillon Frank R - - 2012
Familismo in the Latino culture is a value hallmarked by close relations with nuclear and extended family members throughout the life span, with pronounced levels of loyalty, reciprocity, and solidarity. Familismo is posited as health protective against alcohol misuse among Latinos in the United States. This study examines the relative ...
Jung Hee Joon - - 2012
Quantum dots (QDs) allow for manipulation of the position and energy levels of electrons at sub-10nm length scales through control of material chemistry, size, and shape. It is known from optical studies that the bandgap of semiconductor QDs increases as their size decreases, due to the narrowing of the quantum ...
Bian Zheng - - 2012
The present study examined whether there is an age-related difference in judging egocentric distances. In 4 experiments, both younger and older observers judged the physical distance of an object on a ground plane and reported their judgments by verbal report and by blind rope pulling. Overall, we found that (a) ...
Zhong Jian - - 2012
Silk fibroin (SF) is a promising candidate for a variety of application in the fields of tissue engineering, drug delivery, and biomedical optics. Recent research has already begun to explore the construction of nano- and micro-patterned SF films under ambient environment. The structure and biocompatibility of SF are dependent on ...
Pesut Barbara - - 2012
Hospice volunteers play an essential role in the primary care network for end of life. The purpose of this review was to examine the evidence on hospice volunteers published between 2002 and July 2012. An electronic search of PubMed, CINAHL and PsychINFO using controlled vocabulary, and a reference scan, yielded ...
Infurna Frank J - - 2012
Perceived control plays an important role for health across adulthood and old age. However, little is known about the factors that account for such associations and whether changes in control (or control trajectory) uniquely predict major health outcomes over and above mean levels of control. Using data from the nationwide ...
Miller Mary Beth - - 2012
Personalized drinking feedback is an evidence-based and increasingly common way of intervening with high-risk college drinking. This article extends an earlier review by Walters and Neighbors (S. T. Walters & C. Neighbors, 2005, Feedback interventions for college alcohol misuse: What, why, and for whom? Addictive Behaviors, 30, 1168-1182) by reviewing ...
Muniz-Terrera Graciela - - 2012
The terminal decline hypothesis states that in the proximity of death, an individual's decline in cognitive abilities accelerates. We aimed at estimating the onset of faster rate of decline in global cognition using Mini Mental State Examination (MMSE) scores from participants of the Cambridge City over 75 Cohort Study (CC75C), ...
Stefani Christian - - 2012
Thiosemicarbazone chelators, including the 2'-benzoylpyridine thiosemicarbazones (BpT) class, show marked potential as anticancer agents. Importantly, 3-aminopyridine-2-carboxaldehyde thiosemicarbazone (3-AP) has been investigated in >20 phase I and II clinical trials. However, side effects associated with 3-AP administration include methemoglobinemia. Considering this problem, novel BpT analogues were designed bearing hydrophobic, electron-donating substituents ...
Wensveen Felix M - - 2012
Memory T cells form a highly specific defense layer against reinfection with previously encountered pathogens. In addition, memory T cells provide protection against pathogens that are similar, but not identical to the original infectious agent. This is because each T cell response harbors multiple clones with slightly different affinities, thereby ...
Cardini Flavia - - 2012
Understanding other people's feelings in social interactions depends on the ability to map onto our body the sensory experiences we observed on other people's bodies. It has been shown that the perception of tactile stimuli on the face is improved when concurrently viewing a face being touched. This Visual Remapping ...
Farnum Byron H - - 2012
The one-electron reduction of triiodide (I(3)(-)) by a series of reduced ruthenium polypyridyl compounds was studied in an acetonitrile solution at room temperature using the flash-quench technique. Reductive quenching of the metal-to-ligand charge-transfer excited state of [Ru(bpy)(2)(deeb)](2+), [Ru(deeb)(2)(bpy)](2+), or [Ru(deeb)(3)](2+), where bpy is 2,2'-bipyridine and deeb is 4,4'-(CO(2)CH(2)CH(3))(2)-2,2'-bipyridine, by iodide ...
Olhede S C - - 2013
Modulated oscillations are described via their time-varying amplitude and frequency. For multivariate signals, there is structure in the signal beyond this local amplitude and frequency defined for each signal component, in turn describing the commonality of the components. The multivariate structure encodes how the common oscillation is present in each ...
Becker Karin L - - 2012
Abstract Chronic pain is a pervasive and expensive public health problem affecting roughly one-third of the American population. The inability of language to accurately convey pain expressions combined with the social stigmas associated with discussing pain persuade many sufferers to remain silent about their pain. Gender politics and fear of ...
Chang Chang-Cheng - - 2012
Purpose The use of microsurgical free flap reconstruction has resulted in improved patient outcomes and survival after head and neck cancer resection. Although postoperative care in an intensive care unit (ICU) for airway management and flap surveillance can increase the success rate, any accompanying neuropsychological problems can potentially affect the outcome.Materials ...
Jones Nick S - - 2013
There is a disconnect between developments in modern data analysis and some parts of the physical sciences in which they could find ready use. This introduction, and this issue, provides resources to help experimental researchers access modern data analysis tools and exposure for analysts to extant challenges in physical science. ...
Ghahramani Zoubin - - 2013
Modelling is fundamental to many fields of science and engineering. A model can be thought of as a representation of possible data one could predict from a system. The probabilistic approach to modelling uses probability theory to express all aspects of uncertainty in the model. The probabilistic approach is synonymous ...
Johnson Blake N - - 2012
We show novel cantilever designs that express torsional and lateral modes exhibit excellent mass-change sensitivity to molecular self-assembly on gold (75 - 135 fg/Hz ) which is superior to that of widely investigated bending modes. Lead zirconate titanate (PZT) millimeter-sized cantilevers were designed with two types of anchor asymmetry that ...
Bond Nell - - 2012
Lassa fever is an acute and sometimes severe viral hemorrhagic illness endemic in West Africa. One important question regarding Lassa fever is the duration of immunoglobulin G (IgG) antibody after infection. We were able to locate three persons who worked in Nigeria dating back to the 1940s, two of whom ...
Roberts S - - 2013
In this paper, we offer a gentle introduction to Gaussian processes for time-series data analysis. The conceptual framework of Bayesian modelling for time-series data is discussed and the foundations of Bayesian non-parametric modelling presented for Gaussian processes. We discuss how domain knowledge influences design of the Gaussian process models and ...
Yang Hong - - 2012
While water and sanitation are now recognized as a human right by the United Nations, monitoring inequality in safe water access poses challenges. This study uses survey data to calculate household socio-economic-status (SES) indices in seven countries where national drinking-water quality surveys are available. These are used to assess inequalities ...
Lu Yun-Hai - - 2012
In the allopolyploid Brassica napus, we obtained a petal-closed flower mutation by ethyl methanesulfonate mutagenesis. Here, we report cloning and characterization of the Bn-CLG1A (CLG for cleistogamy) gene and the Bn-clg1A-1D mutant allele responsible for the cleistogamy phenotype. Bn-CLG1A encodes a RINGv E3 ubiquitin ligase that is highly conserved across ...
Stasiewicz Paul R - - 2012
Pretreatment changes in alcohol use challenges the assumption that the major portion of the change process occurs after treatment entry. Greater understanding of the behavior change process prior to treatment has the potential to improve our understanding of behavioral changes during treatment. In this study, participants (N = 45) were ...
D Amore Meredith M - - 2012
ABSTRACT: BACKGROUND: Despite the vast literature examining disparities in medical care, little is known about racial/ethnic and mental health disparities in sexual health care. The objective of this study was to assess disparities in safe sex counseling and resultant behavior among a patient population at risk of negative sexual health ...
Stern Chadly - - 2012
In the present research, we investigated whether, because of differences in cognitive style, liberals and conservatives would differ in the process of categorizing individuals into a perceptually ambiguous group. In 3 studies, we examined whether conservatives were more likely than liberals to rely on gender inversion cues (e.g., feminine = ...
Kuerbis Alexis - - 2012
Despite ample research demonstrating the role of motivation and self-efficacy in predicting drinking in the context of abstinence, little research explicitly explores their role in the context of moderation, and none have utilized daily diary methods. The purpose of this study was to (a) explore the concordance between global self-report ...
Block Robert W - - 2013
The 113th Congress of the United States begins in January 2013. With each new Congress, there are many changes, not only in the faces of the newly elected, but also in the membership of committees and the staff serving the members. As agendas for the session are set, there is ...
Zhang Wenchao - - 2012
A three-dimensionally ordered macroporous Fe(2)O(3)/Al nanothermite membrane has been prepared with a polystyrene spheres template. The nanothermite, with an enhanced interfacial contact between fuel and oxidizer, outputs 2.83 kJ g(-1) of energy. This is significantly more than has been reported before. This approach, fully compatible with MEMS technology, provides an ...
< 6 7 8 9 10 11 12 13 14 15 16 >