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https://www.readbyqxmd.com/read/28107679/meta-analysis-of-the-relationship-between-impulsivity-and-substance-related-cognitive-biases
#1
REVIEW
Daniel Leung, Petra K Staiger, Melissa Hayden, Jarrad A G Lum, Kate Hall, Victoria Manning, Antonio Verdejo-Garcia
BACKGROUND: Evidence indicates that substance-related cognitive biases (attentional, memory, and approach bias) contribute to the maintenance and development of substance misuse. Impulsivity has been suggested to influence how cognitive biases contribute to substance misuse, possibly by biasing incentive salience attribution processes. However, the strength and moderators of the relationship between impulsivity and substance-related cognitive biases has yet to be empirically examined...
January 5, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28107287/case-volume-and-revisits-in-children-undergoing-gastrostomy-tube-placement
#2
Marjorie J Arca, Shawn J Rangel, Matt Hall, David H Rothstein, Martin L Blakely, Peter C Minneci, Samir S Shah, Kurt F Heiss, Charles L Snyder, Loren Berman, Marybeth Browne, Charles D Vinocur, Mehul V Raval, Adam B Goldin
OBJECTIVE: Emergency department (ED) visits and hospital readmissions are common following gastrostomy tube (GT) placement in children. We sought to characterize inter-hospital variation in revisit rates and explore the association between this outcome and hospital-specific GT case volume. STUDY DESIGN: We conducted a retrospective cohort study from 38 hospitals using the Pediatric Health Information System (PHIS) database. Patients <18 years who had a GT placed in 2010-2012 were assessed for a GT-related (mechanical or infectious) ED visit or inpatient readmission at 30 and 90 days following discharge from GT placement...
January 20, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28106983/two-dimensional-sns-a-phosphorene-analogue-with-strong-in-plane-electronic-anisotropy
#3
Zhen Tian, Chenglei Guo, Mingxing Zhao, Ranran Li, Jiamin Xue
We study the anisotropic electronic properties of two-dimensional (2D) SnS, an analogue of phosphorene, grown by physical vapor transport. With transmission electron microscope and polarized Raman spectroscopy, we identify the zigzag and armchair directions of the as-grown 2D crystals. 2D SnS field-effect transistors with a cross-Hall-bar structure are fabricated. They show heavily hole-doped (~10(19) cm(-3)) conductivity with strong in-plane anisotropy. At room temperature the mobility along the zigzag direction exceeds 20 cm(2)V(-1)s(-1), which can be up to 1...
January 20, 2017: ACS Nano
https://www.readbyqxmd.com/read/28106676/a-remarkable-journey-why-the-magnet-recognition-program%C3%A2-continues-to-resonate-today
#4
Muriel Poulin
It has been more than 30 years since an enterprising team of American Academy of Nursing researchers unearthed groundbreaking findings that led to the creation of the American Nurses Credentialing Center's Magnet Recognition Program®. Dr Muriel Poulin, EdD, RN, FAAN, a coauthor of the original Magnet® hospital study, recalls how she and her colleagues opted to take their research in a different direction and address pressing questions that spoke directly to the needs and desires of staff nurses. She shares her thoughts on why the Magnet Recognition Program continues to resonate today...
February 2017: Journal of Nursing Administration
https://www.readbyqxmd.com/read/28106561/the-modified-frontal-behavioral-inventory-fbi-mod-for-patients-with-frontotemporal-lobar-degeneration-alzheimer-s-disease-and-mild-cognitive-impairment
#5
Noora-Maria Suhonen, Ilona Hallikainen, Tuomo Hänninen, Jari Jokelainen, Johanna Krüger, Anette Hall, Maria Pikkarainen, Hilkka Soininen, Anne M Remes
While behavioral symptoms are both early and prevalent features of behavioral variant frontotemporal dementia (bvFTD), they can be present in other types of dementia as well, including Alzheimer's disease (AD) and even mild cognitive impairment (MCI). The Frontal Behavioral Inventory (FBI) was specifically developed to capture the behavioral and personality changes in bvFTD; it has also been modified into a self-administered caregiver questionnaire (FBI-mod). We examined the utility of the FBI-mod in differentiating bvFTD (n = 26), primary progressive aphasia (PPA) (n = 7), AD (n = 53), and MCI (n = 50) patients, and investigated how the FBI-mod may be associated with neuropsychological measures...
January 20, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28106428/experimental-evidence-for-sign-reversal-of-the-hall-coefficient-in-three-dimensional-metamaterials
#6
Christian Kern, Muamer Kadic, Martin Wegener
Effectively inverting the sign of material parameters is a striking possibility arising from the concept of metamaterials. Here, we show that the electrical properties of a p-type semiconductor can be mimicked by a metamaterial solely made of an n-type semiconductor. By fabricating and characterizing three-dimensional simple-cubic microlattices composed of interlocked hollow semiconducting tori, we demonstrate that sign and magnitude of the effective metamaterial Hall coefficient can be adjusted via a tori separation parameter-in agreement with previous theoretical and numerical predictions...
January 6, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28106427/pseudospin-vortex-ring-with-a-nodal-line-in-three-dimensions
#7
Lih-King Lim, Roderich Moessner
We present a model of a topological semimetal in three dimensions whose energy spectrum exhibits a nodal line acting as a vortex ring; this in turn is linked by a pseudospin structure akin to that of a smoke ring. Contrary to a Weyl point node spectrum, the vortex ring gives rise to Skyrmionic pseudospin patterns in cuts on both sides of the nodal ring plane; this pattern covers the full Brillouin zone, thus leading to a fully extended chiral Fermi arc and a new, "maximal," anomalous Hall effect in a 3D semimetal...
January 6, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28106408/giant-spin-orbit-splitting-in-inverted-inas-gasb-double-quantum-wells
#8
Fabrizio Nichele, Morten Kjaergaard, Henri J Suominen, Rafal Skolasinski, Michael Wimmer, Binh-Minh Nguyen, Andrey A Kiselev, Wei Yi, Marko Sokolich, Michael J Manfra, Fanming Qu, Arjan J A Beukman, Leo P Kouwenhoven, Charles M Marcus
Transport measurements in inverted InAs/GaSb quantum wells reveal a giant spin-orbit splitting of the energy bands close to the hybridization gap. The splitting results from the interplay of electron-hole mixing and spin-orbit coupling, and can exceed the hybridization gap. We experimentally investigate the band splitting as a function of top gate voltage for both electronlike and holelike states. Unlike conventional, noninverted two-dimensional electron gases, the Fermi energy in InAs/GaSb can cross a single spin-resolved band, resulting in full spin-orbit polarization...
January 6, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28106404/anisotropic-invariance-and-the-distribution-of-quantum-correlations
#9
Shuming Cheng, Michael J W Hall
We report the discovery of two new invariants for three-qubit states which, similarly to the three-tangle, are invariant under local unitary transformations and permutations of the parties. These quantities have a direct interpretation in terms of the anisotropy of pairwise spin correlations. Applications include a universal ordering of pairwise quantum correlation measures for pure three-qubit states; trade-off relations for anisotropy, three-tangle and Bell nonlocality; strong monogamy relations for Bell inequalities, Einstein-Podolsky-Rosen steering inequalities, geometric discord and fidelity of remote state preparation (including results for arbitrary three-party states); and a statistical and reference-frame-independent form of quantum secret sharing...
January 6, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28106158/transaminase-abnormalities-and-adaptations-of-the-liver-lobule-manifest-at-specific-cut-offs-of-steatosis
#10
Andrew Hall, Claudia Covelli, Roberta Manuguerra, Tu Vinh Luong, Elena Buzzetti, Emmanuel Tsochatzis, Massimo Pinzani, Amar Paul Dhillon
There is little documented evidence suggesting that liver fat is responsible for liver injury in the absence of other disease processes. We investigated the relationships between liver fat, aminotransferases and hepatic architecture in liver biopsies with simple steatosis. We identified 136 biopsies with simple steatosis from the Royal Free Hospital Archives with both clinical data and sufficient material. Digital image analysis was employed to measure fat proportionate area (mFPA). Hepatocyte area (HA) and lobule radius (LR) were also measured...
January 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28106133/prototypical-topological-orbital-ferromagnet-%C3%AE-femn
#11
Jan-Philipp Hanke, Frank Freimuth, Stefan Blügel, Yuriy Mokrousov
We predict from first principles an entirely topological orbital magnetization in the noncoplanar bulk antiferromagnet γ-FeMn originating in the nontrivial topology of the underlying spin structure, without any reference to spin-orbit interaction. Studying the influence of strain, composition ratio, and spin texture on the topological orbital magnetization and the accompanying topological Hall effect, we promote the scalar spin chirality as key mechanism lifting the orbital degeneracy. The system is thus a prototypical topological orbital ferromagnet, the macroscopic orbital magnetization of which is prominent even without spin-orbit coupling...
January 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28105885/denosumab-in-patients-with-giant-cell-tumor-of-bone-in-norway-results-from-a-nationwide-cohort
#12
Kjetil Boye, Nina Louise Jebsen, Olga Zaikova, Heidi Knobel, Ayca M Løndalen, Clement S Trovik, Odd R Monge, Kirsten Sundby Hall
BACKGROUND: Denosumab is a relatively new treatment option for patients with giant-cell tumor of bone (GCTB). The purpose of this study was to report the results for patients treated in Norway. MATERIALS AND METHODS: Patients treated with denosumab for GCTB were identified from the clinical databases at the Norwegian sarcoma reference centers. Data were retrieved from the clinical databases and supplemented by retrospective review of patient records. Denosumab was given as a subcutaneous injection every 4 weeks with loading doses on day 8 and 15 in cycle 1...
January 20, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28105848/simplifying-nanowire-hall-effect-characterization-by-using-a-three-probe-device-design
#13
Olof Hultin, Gaute Otnes, Lars Samuelson, Kristian Storm
Electrical characterization of nanowires is a time-consuming and challenging task due to the complexity of single nanowire device fabrication and the difficulty in interpreting the measurements. We present a method to measure Hall effect in nanowires using a three-probe device that is simpler to fabricate than previous four-probe nanowire Hall devices and allows characterization of nanowires with smaller diameter. Extraction of charge carrier concentration from the three-probe measurements using an analytical model is discussed and compared to simulations...
January 20, 2017: Nano Letters
https://www.readbyqxmd.com/read/28105839/in-vivo-chemical-sensors-role-of-biocompatibility-on-performance-and-utility
#14
Robert J Soto, Jackson R Hall, Micah D Brown, James B Taylor, Mark H Schoenfisch
No abstract text is available yet for this article.
January 3, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28105682/guanine-can-direct-binding-specificity-of-ru-dppz-complexes-to-dna-through-steric-effects
#15
James Pearce Hall, Sarah Prava Gurung, Jessica Henle, Patrick Poidl, Johanna Andersson, Per Lincoln, Graeme Winter, Thomas Sorensen, David John Cardin, John Alan Brazier, Christine Janet Cardin
X-ray crystal structures of three Λ-[Ru(L)2dppz]2+ complexes (L=phen, bpy) bound to d((5BrC)GGC/GCCG) show the compounds intercalated at a 5´-CG-3´ step. The compounds bind through canted intercalation, with the binding angle determined by the guanine-NH2 group, in contrast to symmetrical intercalation previously observed at 5´-TA-3´ sites. This result suggests that canted intercalation is preferred at 5´-CG-3´ sites even though the site itself is symmetrical, and we hypothesise that symmetrical intercalation in a 5´-CG-3´ step could give rise to a longer luminescence lifetime than canted intercalation...
January 19, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28103956/unraveling-the-regulation-of-mtorc2-using-logical-modeling
#16
Kirsten Thobe, Christine Sers, Heike Siebert
BACKGROUND: The mammalian target of rapamycin (mTOR) is a regulator of cell proliferation, cell growth and apoptosis working through two distinct complexes: mTORC1 and mTORC2. Although much is known about the activation and inactivation of mTORC1, the processes controlling mTORC2 remain poorly characterized. Experimental and modeling studies have attempted to explain the regulation of mTORC2 but have yielded several conflicting hypotheses. More specifically, the Phosphoinositide 3-kinase (PI3K) pathway was shown to be involved in this process, but the identity of the kinase interacting with and regulating mTORC2 remains to be determined (Cybulski and Hall, Trends Biochem Sci 34:620-7, 2009)...
January 19, 2017: Cell Communication and Signaling: CCS
https://www.readbyqxmd.com/read/28103587/magnetoresistance-and-hall-resistivity-of-semimetal-wte2-ultrathin-flakes
#17
Xin Luo, Chi Fang, Caihua Wan, Jialin Cai, Yong Liu, Xiufeng Han, Zhihong Lu, Rui Xiong, Zhongming Zeng
This article reports the characterization of WTe<sub>2</sub> ultrathin flakes devices with characterization of magnetoresistance and Hall resistivity. We found that ultrathin flakes of WTe<sub>2</sub> do not exhibit magnetoresistance saturation when subject to high fields, in a manner similar to their bulk characteristic. The linearity of Hall resistivity in our devices could confirm the compensation of electrons and holes. By relating experimental results to a classic two-band model, we demonstrate that the lower magnetoresistance values may be caused by decreased carrier mobility in our samples...
January 19, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28102506/a-comparison-of-flt-to-fdg-pet-ct-in-the-early-assessment-of-chemotherapy-response-in-stages-ib-iiia-resectable-nsclc
#18
John P Crandall, Abdel K Tahari, Rosalyn A Juergens, Julie R Brahmer, Charles M Rudin, Giuseppe Esposito, Deepa S Subramaniam, Michael V Knopp, Nathan C Hall, Prateek Gajwani, Jeffrey P Leal, Martin A Lodge, Joo H O, Edward W Gabrielson, Lalitha K Shankar, Richard L Wahl
BACKGROUND: The aim of this study was to compare the percentage change in (18)F-fluorothymidine (FLT) standard uptake value (SUV) between baseline and after one cycle of chemotherapy in patients categorized by RECIST 1.1 computed tomography (CT) as responders or non-responders after two cycles of therapy. Change in (18)F-fluorodeoxyglucose (FDG) uptake was also compared between these time points. Nine patients with newly diagnosed, operable, non-small cell lung cancer (NSCLC) were imaged with FDG positron emission tomography/CT (PET), FLT PET/CT, and CT at baseline, following one cycle of neoadjuvant therapy (75 mg/m(2) docetaxel + 75 mg/m(2) cisplatin), and again after the second cycle of therapy...
December 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28102400/using-chiral-ionic-liquid-additives-to-enhance-asymmetric-induction-in-a-diels-alder-reaction
#19
P Goodrich, H Q Nimal Gunaratne, L Hall, Y Wang, L Jin, M J Muldoon, A P C Ribeiro, A J L Pombeiro, V I Pârvulescu, P Davey, C Hardacre
A bis-oxazoline ligand has been complexed using Cu(ii) and Zn(ii) trifluoromethanesulfonate and a range of chiral ionic liquid (CIL) additives based on natural products were used as a co-catalyst for a Diels-Alder reaction. The catalytic performance of these systems was compared for the asymmetric Diels-Alder reaction between N-acryloyloxazolidinone and cyclopentadiene with and without the presence of a CIL additive. In the absence of the CIL, both catalysts resulted in low enantioselectivities in conventional solvents and ionic liquids...
January 19, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28101968/defined-daily-doses-ddd-do-not-accurately-reflect-opioid-doses-used-in-contemporary-chronic-pain-treatment
#20
Suzanne Nielsen, Natasa Gisev, Raimondo Bruno, Wayne Hall, Milton Cohen, Briony Larance, Gabrielle Campbell, Marian Shanahan, Fiona Blyth, Nicholas Lintzeris, Sallie Pearson, Richard Mattick, Louisa Degenhardt
OBJECTIVE: To assess how well the defined daily dose (DDD) metric reflects opioid utilisation among chronic non-cancer pain patients. DESIGN: Descriptive, cross-sectional study, utilising a 7-day medication diary. SETTING: Community-based treatment settings, Australia. SUBJECTS: A sample of 1101 people prescribed opioids for chronic non-cancer pain. METHODS: Opioid dose data was collected via a self-completed 7-day medication diary capturing names, strengths and doses of each medication taken in the past week...
January 19, 2017: Pharmacoepidemiology and Drug Safety
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