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https://www.readbyqxmd.com/read/28433065/practice-guideline-contraception-for-adolescents-with-chronic-illness
#1
Taylor N Hall, Elizabeth K Rende
No abstract text is available yet for this article.
May 2017: Journal of Pediatric Health Care
https://www.readbyqxmd.com/read/28432063/a-realist-review-to-explore-how-low-income-pregnant-women-use-food-vouchers-from-the-uk-s-healthy-start-programme
#2
Heather Ohly, Nicola Crossland, Fiona Dykes, Nicola Lowe, Victoria Hall-Moran
OBJECTIVES: To explore how low-income pregnant women use Healthy Start food vouchers, the potential impacts of the programme, and which women might experience these impacts and why. DESIGN: A realist review. ELIGIBILITY CRITERIA FOR SELECTING STUDIES: Primary or empirical studies (of any design) were included if they contributed relevant evidence or insights about how low-income women use food vouchers from the Healthy Start (UK) or the Special Supplemental Nutrition Program for Women, Infants and Children (WIC) programmes...
April 21, 2017: BMJ Open
https://www.readbyqxmd.com/read/28431588/chiva-a-prospective-study-of-a-vein-sparing-technique-for-the-management-of-varicose-vein-disease
#3
Marta Zmudzinski, Pierre Malo, Christine Hall, Allen Hayashi
BACKGROUND: Varicose vein disease (VVD) affects approximately one third of adults. Cure Conservatrice et Hémodynamique de l'Insuffisance Veineuse en Ambulatoire (CHIVA) is a minimally invasive, vein sparing technique that is emerging as an alternative to ablative techniques for treating VVD. METHODS: This prospective study assessed the rate of recurrence of venous reflux with CHIVA. We evaluated 150 primary procedures with clinical and duplex ultrasound examinations pre and post operatively...
April 4, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/28431080/systematic-review-of-measures-used-in-pictorial-cigarette-pack-warning-experiments
#4
Diane B Francis, Marissa G Hall, Seth M Noar, Kurt M Ribisl, Noel T Brewer
Background.: We sought to describe characteristics and psychometric properties of measures used in pictorial cigarette pack warning experiments, and provide recommendations for future studies. Methods.: Our systematic review identified 68 pictorial cigarette pack warning experiments conducted between 2000 and 2016 in 22 countries. Two independent coders coded all studies on study features, including sample characteristics, theoretical framework, and constructs assessed...
April 18, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28430700/prescriber-compliance-with-liver-monitoring-guidelines-for-pazopanib-in-the-postapproval-setting-results-from-a-distributed-research-network
#5
Sumitra Shantakumar, Beth L Nordstrom, Susan A Hall, Luc Djousse, Myrthe P P van Herk-Sukel, Kathy H Fraeman, David R Gagnon, Karen Chagin, Jeanenne J Nelson
OBJECTIVES: Pazopanib received US Food and Drug Administration approval in 2009 for advanced renal cell carcinoma. During clinical development, liver chemistry abnormalities and adverse hepatic events were observed, leading to a boxed warning for hepatotoxicity and detailed label prescriber guidelines for liver monitoring. As part of postapproval regulatory commitments, a cohort study was conducted to assess prescriber compliance with liver monitoring guidelines. METHODS: Over a 4-year period, a distributed network approach was used across 3 databases: US Veterans Affairs Healthcare System, a US outpatient oncology community practice database, and the Dutch PHARMO Database Network...
April 20, 2017: Journal of Patient Safety
https://www.readbyqxmd.com/read/28430518/tunable-sign-change-of-spin-hall-magnetoresistance-in-pt-nio-yig-structures
#6
Dazhi Hou, Zhiyong Qiu, Joseph Barker, Koji Sato, Kei Yamamoto, Saül Vélez, Juan M Gomez-Perez, Luis E Hueso, Fèlix Casanova, Eiji Saitoh
Spin Hall magnetoresistance (SMR) has been investigated in Pt/NiO/YIG structures in a wide range of temperature and NiO thickness. The SMR shows a negative sign below a temperature that increases with the NiO thickness. This is contrary to a conventional SMR theory picture applied to the Pt/YIG bilayer, which always predicts a positive SMR. The negative SMR is found to persist even when NiO blocks the spin transmission between Pt and YIG, indicating it is governed by the spin current response of the NiO layer...
April 7, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28430492/high-t_-c-superconductivity-in-fese-at-high-pressure-dominant-hole-carriers-and-enhanced-spin-fluctuations
#7
J P Sun, G Z Ye, P Shahi, J-Q Yan, K Matsuura, H Kontani, G M Zhang, Q Zhou, B C Sales, T Shibauchi, Y Uwatoko, D J Singh, J-G Cheng
The importance of electron-hole interband interactions is widely acknowledged for iron-pnictide superconductors with high transition temperatures (T_{c}). However, the absence of hole pockets near the Fermi level of the iron-selenide (FeSe) derived high-T_{c} superconductors raises a fundamental question of whether iron pnictides and chalcogenides have different pairing mechanisms. Here, we study the properties of electronic structure in the high-T_{c} phase induced by pressure in bulk FeSe from magnetotransport measurements and first-principles calculations...
April 7, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28430491/thermal-hall-effect-in-a-phonon-glass-ba_-3-cusb_-2-o_-9
#8
K Sugii, M Shimozawa, D Watanabe, Y Suzuki, M Halim, M Kimata, Y Matsumoto, S Nakatsuji, M Yamashita
A distinct thermal Hall signal is observed in a quantum spin liquid candidate Ba_{3}CuSb_{2}O_{9}. The transverse thermal conductivity shows a power-law temperature dependence below 50 K, where a spin gap opens. We suggest that because of the very low longitudinal thermal conductivity and the thermal Hall signals, a phonon Hall effect is induced by strong phonon scattering of orphan Cu^{2+} spins formed in the random domains of the Cu^{2+}-Sb^{5+} dumbbells in Ba_{3}CuSb_{2}O_{9}.
April 7, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28430476/generalized-pseudopotentials-for-the-anisotropic-fractional-quantum-hall-effect
#9
Bo Yang, Zi-Xiang Hu, Ching Hua Lee, Z Papić
We generalize the notion of Haldane pseudopotentials to anisotropic fractional quantum Hall (FQH) systems that are physically realized, e.g., in tilted magnetic field experiments or anisotropic band structures. This formalism allows us to expand any translation-invariant interaction over a complete basis, and directly reveals the intrinsic metric of incompressible FQH fluids. We show that purely anisotropic pseudopotentials give rise to new types of bound states for small particle clusters in the infinite plane, and can be used as a diagnostic of FQH nematic order...
April 7, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28430343/fabrication-and-characterization-of-indium-tin-oxide-films
#10
Shiuh-Chuan Her, Chun-Fu Chang
BACKGROUND: Transparent conducting oxide (TCO) films are of particular interest in the field of optoelectronics, due to the requirement for transparent electrodes in applications such as organic light-emitting diodes, solar cells and so on. The aim of this study was to obtain a better understanding of the effects of preparation temperature on indium tin oxide (ITO) films, to improve their performance for optoelectronic applications. METHODS: ITO films were deposited on glass substrate at different temperatures, using direct current (DC) magnetron sputtering...
April 5, 2017: Journal of Applied Biomaterials & Functional Materials
https://www.readbyqxmd.com/read/28429942/layer-polarizability-and-easy-axis-quantum-hall-ferromagnetism-in-bilayer-graphene
#11
Cheng Pan, Yong Wu, Bin Cheng, Shi Che, Takashi Taniguchi, Kenji Watanabe, Chun Ning Lau, Marc Bockrath
We report magnetotransport measurements of graphene bilayers at large perpendicular electric displacement fields, up to ∽ 1.5 V/nm, where we observe crossings between Landau levels with different orbital quantum numbers. The displacement fields at the studied crossings are primarily determined by energy shifts originating from the Landau level layer polarizability or polarization. Despite decreasing Landau level spacing with energy, successive crossings occur at larger displacement fields, resulting from decreasing polarizability with orbital quantum number...
April 21, 2017: Nano Letters
https://www.readbyqxmd.com/read/28429635/congenital-hypothalamic-hamartoblastoma-versus-hamartoma
#12
C Dunham, D McFadden, L Dahlgren, B Butler, S Hamilton, M McKinnon
Pallister Hall syndrome (PHS) is a rare malformative disorder that is due to truncating functional repressor mutations in GLI3. Since the seminal publication in 1980, hypothalamic tumors have been recognized to be a cardinal feature of PHS. In their original description of the neuropathologic features of PHS, Clarren et al. coined the term "hamartoblastoma" to characterize what they deemed to be a dual malformative and neoplastic mass of the hypothalamus. In subsequent published cases/series of PHS, the term "hamartoma" was often substituted for hamartoblastoma given what appeared to be a benign natural history of this lesion...
January 1, 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28428617/deterministic-spin-orbit-torque-induced-magnetization-reversal-in-pt-co-ni-n-co-ta-multilayer-hall-bars
#13
Sihua Li, Sarjoosing Goolaup, Jaesuk Kwon, Feilong Luo, Weiliang Gan, Wen Siang Lew
Spin-orbit torque (SOT) induced by electric current has attracted extensive attention as an efficient method of controlling the magnetization in nanomagnetic structures. SOT-induced magnetization reversal is usually achieved with the aid of an in-plane bias magnetic field. In this paper, we show that by selecting a film stack with weak out-of-plane magnetic anisotropy, field-free SOT-induced switching can be achieved in micron sized multilayers. Using direct current, deterministic bipolar magnetization reversal is obtained in Pt/[Co/Ni]2/Co/Ta structures...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28428546/influence-of-intermixing-at-the-ta-cofeb-interface-on-spin-hall-angle-in-ta-cofeb-mgo-heterostructures
#14
Monika Cecot, Łukasz Karwacki, Witold Skowroński, Jarosław Kanak, Jerzy Wrona, Antoni Żywczak, Lide Yao, Sebastiaan Dijken, Józef Barnaś, Tomasz Stobiecki
When a current is passed through a non-magnetic metal with strong spin-orbit coupling, an orthogonal spin current is generated. This spin current can be used to switch the magnetization of an adjacent ferromagnetic layer or drive its magnetization into continuous precession. The interface, which is not necessarily sharp, and the crystallographic structure of the nonmagnetic metal can both affect the strength of current-induced spin-orbit torques. Here, we investigate the effects of interface intermixing and film microstructure on spin-orbit torques in perpendicularly magnetized Ta/Co40Fe40B20/MgO trilayers with different Ta layer thickness (5 nm, 10 nm, 15 nm), greater than the spin diffusion length...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28427333/the-experiences-of-physiotherapists-treating-people-with-dementia-who-fracture-their-hip
#15
A J Hall, R Watkins, I A Lang, R Endacott, V A Goodwin
BACKGROUND: It is estimated that people with dementia are approximately three times more likely to fracture their hip than sex and age matched controls. A report by the Chartered Society of Physiotherapy found that this population have poor access to rehabilitation as inpatients and in the community. A recent scoping review found a paucity of research in this area, indeed there has been no qualitative research undertaken with physiotherapists. In order to address this evidence gap, the aim of this current study was to explore the experiences of physiotherapists treating this population...
April 20, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28426717/adjusting-cryodiluent-composition-for-improved-post-thaw-quality-of-rabbit-spermatozoa
#16
Sally E Hall, Cameron Negus, Danielle Johinke, Roslyn Bathgate
Improved fertility following artificial insemination with frozen-thawed spermatozoa would offer rabbit producers faster genetic improvement. Previous work investigating cryoprotectants for rabbit spermatozoa have reported inconsistent results. Semen was collected from three rabbit bucks by artificial vagina and frozen using a standard procedure with varied cryodiluent components. Post-thaw analysis encompassed motility, sperm kinematic parameters and acrosome and membrane integrity. Spermatozoa were evaluated at 0, 2 and 4 h after thawing...
2017: PloS One
https://www.readbyqxmd.com/read/28426433/specific-heat-and-hall-effect-of-the-ferromagnetic-kondo-lattice-ucu0-9sb2
#17
V H Tran, Z Bukowski
We have investigated the electrical resistivity ρ, specific heat C p and Hall coefficient R H on a single crystal of a ferromagnetic Kondo lattice UCu0.9Sb2. The experimental [Formula: see text], C p (T) and [Formula: see text] data evidence a bulk magnetic phase transition at [Formula: see text] K, and additionally exhibit an unexpected bump located in the temperature range T C/10-T C/3. UCu0.9Sb2 has an enhanced electronic specific heat coefficient [Formula: see text] mJ molK(-2), corresponding to Kondo temperature [Formula: see text] K...
April 20, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28426281/identification-of-ssea-1-expressing-enhanced-reprogramming-seer-cells-in-porcine-embryonic-fibroblasts
#18
Dong Li, Jan O Secher, Morten Juhl, Kaveh Mashayekhi, Troels T Nielsen, Bjørn Holst, Poul Hyttel, Kristine K Freude, Vanessa J Hall
Previous research has shown that a subpopulation of cells within cultured human dermal fibroblasts, termed multilineage-differentiating stress enduring (Muse) cells, are preferentially reprogrammed into induced pluripotent stem cells. However, controversy exists over whether these cells are the only cells capable of being reprogrammed from a heterogeneous population of fibroblasts. Similarly, there is little research to suggest such cells may exist in embryonic tissues or other species. In order to address if such a cell population exists in pigs, we investigated porcine embryonic fibroblast populations (pEFs) and identified heterogeneous expression of several key cell surface markers...
April 20, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28425615/the-natural-history-of-subjective-tinnitus-in-adults-a-systematic-review-and-meta-analysis-of-no-intervention-periods-in-controlled-trials
#19
REVIEW
John S Phillips, Don J McFerran, Deborah A Hall, Derek J Hoare
OBJECTIVES: Tinnitus is a prevalent condition, but little has been published regarding the natural history of the condition. One technique for evaluating the long-term progression of the disease is to examine what happens to participants in the no-intervention control arm of a clinical trial. The aim of this study was to examine no-intervention or waiting-list data reported in trials, in which participants on the active arm received any form of tinnitus intervention. DATA SOURCES: CINAHL, PsychINFO, EMBASE, ASSIA, PubMed, Web of Science, Science Direct, EBSCO Host, and Cochrane...
April 20, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28425462/role-of-chiral-quantum-hall-edge-states-in-nuclear-spin-polarization
#20
Kaifeng Yang, Katsumi Nagase, Yoshiro Hirayama, Tetsuya D Mishima, Michael B Santos, Hongwu Liu
Resistively detected NMR (RDNMR) based on dynamic nuclear polarization (DNP) in a quantum Hall ferromagnet (QHF) is a highly sensitive method for the discovery of fascinating quantum Hall phases; however, the mechanism of this DNP and, in particular, the role of quantum Hall edge states in it are unclear. Here we demonstrate the important but previously unrecognized effect of chiral edge modes on the nuclear spin polarization. A side-by-side comparison of the RDNMR signals from Hall bar and Corbino disk configurations allows us to distinguish the contributions of bulk and edge states to DNP in QHF...
April 20, 2017: Nature Communications
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