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https://www.readbyqxmd.com/read/28642615/the-bethe-slater-curve-revisited-new-insights-from-electronic-structure-theory
#1
R Cardias, A Szilva, A Bergman, I Di Marco, M I Katsnelson, A I Lichtenstein, L Nordström, A B Klautau, O Eriksson, Y O Kvashnin
The Bethe-Slater (BS) curve describes the relation between the exchange coupling and interatomic distance. Based on a simple argument of orbital overlaps, it successfully predicts the transition from antiferromagnetism to ferromagnetism, when traversing the 3d series. In a previous article [Phys. Rev. Lett. 116, 217202 (2016)] we reported that the dominant nearestneighbour (NN) interaction for 3d metals in the bcc structure indeed follows the BS curve, but the trends through the series showed a richer underlying physics than was initially assumed...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28632147/crossover-iliofemoral-bypass-graft-through-tension-free-abdominal-wall-repair-mesh
#2
Mircea Muresan, Ovidiu Jimborean, Gabriela Jimborean, Radu Neagoe, Serban Bancu, Muresan Simona, Cristian Borz
INTRODUCTION: In vascular surgery the crossover iliofemoral bypass grafting is a well-known surgical technique. In general surgery the repair of an abdominal defect using a Polypropylene mesh is also a standard procedure. A particular technique is defined by the performance of these 2 separate procedures inside a single operation in which the crossover arterial graft is directed from the retroperitoneal space toward the contra-lateral femoral bifurcation through a Polypropylene mesh which closes the musculoaponeurotic layers of the abdominal wall...
June 8, 2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28625343/short-term-cooling-increases-serum-triglycerides-and-small-high-density-lipoprotein-levels-in-humans
#3
Geerte Hoeke, Kimberly J Nahon, Leontine E H Bakker, Sabine S C Norkauer, Donna L M Dinnes, Maaike Kockx, Laeticia Lichtenstein, Diana Drettwan, Anne Reifel-Miller, Tamer Coskun, Philipp Pagel, Fred P H T M Romijn, Christa M Cobbaert, Ingrid M Jazet, Laurent O Martinez, Leonard Kritharides, Jimmy F P Berbée, Mariëtte R Boon, Patrick C N Rensen
BACKGROUND: Cold exposure and β3-adrenergic receptor agonism, which both activate brown adipose tissue, markedly influence lipoprotein metabolism by enhancing lipoprotein lipase-mediated catabolism of triglyceride-rich lipoproteins and increasing plasma high-density lipoprotein (HDL) levels and functionality in mice. However, the effect of short-term cooling on human lipid and lipoprotein metabolism remained largely elusive. OBJECTIVE: The objective was to assess the effect of short-term cooling on the serum lipoprotein profile and HDL functionality in men...
May 3, 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28620429/novel-approaches-to-ultrasonography-of-the-lung-and-pleural-space-where-are-we-now
#4
REVIEW
Daniel Lichtenstein
This review article is an update of what should be known for practicing basic lung ultrasound in the critically ill (LUCI) and is also of interest for less critical disciplines (e.g. pulmonology). It pinpoints on the necessity of a professional machine (not necessarily a sophisticated one) and probe. It lists the 10 main signs of LUCI and some of the main protocols made possible using LUCI: the BLUE protocol for a respiratory failure, the FALLS protocol for a circulatory failure, the SESAME protocol for a cardiac arrest and the investigation of a ventilated acute respiratory distress syndrome patient, etc...
June 2017: Breathe
https://www.readbyqxmd.com/read/28620111/dietary-fats-and-cardiovascular-disease-a-presidential-advisory-from-the-american-heart-association
#5
REVIEW
Frank M Sacks, Alice H Lichtenstein, Jason H Y Wu, Lawrence J Appel, Mark A Creager, Penny M Kris-Etherton, Michael Miller, Eric B Rimm, Lawrence L Rudel, Jennifer G Robinson, Neil J Stone, Linda V Van Horn
Cardiovascular disease (CVD) is the leading global cause of death, accounting for 17.3 million deaths per year. Preventive treatment that reduces CVD by even a small percentage can substantially reduce, nationally and globally, the number of people who develop CVD and the costs of caring for them. This American Heart Association presidential advisory on dietary fats and CVD reviews and discusses the scientific evidence, including the most recent studies, on the effects of dietary saturated fat intake and its replacement by other types of fats and carbohydrates on CVD...
June 15, 2017: Circulation
https://www.readbyqxmd.com/read/28610303/type-specimens-and-names-assigned-to-coprophanaeus-megaphanaeus-d-olsoufieff-1924-the-largest-new-world-dung-beetles-coleoptera-scarabaeidae-phanaeini
#6
Maria E Maldaner, Mario Cupello, Daniela C Ferreira, Fernando Z Vaz-DE-Mello
Currently 13 species-group names assigned to the subgenus Megaphanaeus of Coprophanaeus are deemed available (or 'potentially available'), four of which denote valid species. In the present work we review the nomenclatural history of those names and conclude that two of them, Scarabaeus satelles Lichtenstein, 1796 and Copris ajax Sturm, 1826, are unavailable. For the other 11 names, we found type specimens of five, Scarabaeus bellicosus Olivier, 1789, Copris ensifer Germar, 1821, Phanaeus septentrionalis Pêssoa, 1934, P...
May 26, 2017: Zootaxa
https://www.readbyqxmd.com/read/28610192/intraspecific-variation-in-adult-i-uvitellina-i-i-iraquensis-i-dronen-ali-amp-al-amura-2013-cyclocoelidae-haematotrephinae-from-two-collection-sites-of-white-tailed-lapwing-i-vanellus-i-i-leucurus-i-lichtenstein-charadriiformes-charadriidae-in-iraq
#7
Norman O Dronen, Nothiala R Al-Kassar, Atheer H Ali, Mohanad F Abdulhameed, Basim H Abdullah, Sabeeh H Al-Mayah
A total of 19 white-tailed lapwing, Vanellus leucurus, were collected from Huwazah Marsh, north-eastern Basrah Province, Iraq from February to March and in October, 2011 (collection site #1) and 60 V. leucurus were collected from Al-Hammar Marshes, Thi-Qar Province, southern Iraq from July to November, 2012 (collection site #2), and examined for cyclocoelids. Nineteen Uvitellina iraquensis Dronen, Ali & Al-Amura, 2013 from site #1 and 17 specimens from site #2 were fixed with minimal compression for comparisons of morphological characteristics, measurements, morphometric percentages and morphometric ratios commonly used to distinguish species of cyclocoelids...
March 9, 2017: Zootaxa
https://www.readbyqxmd.com/read/28595491/suicidal-behavior-during-lithium-and-valproate-treatment-a-within-individual-8-year-prospective-study-of-50-000-patients-with-bipolar-disorder
#8
Jie Song, Arvid Sjölander, Erik Joas, Sarah E Bergen, Bo Runeson, Henrik Larsson, Mikael Landén, Paul Lichtenstein
OBJECTIVE: Conclusions regarding lithium's antisuicidal effect for bipolar disorder have been limited due to nonrepresentative subjects and potential confounding factors, including varying severity of illness. Findings regarding the effect of valproate, the most common alternative to lithium, are inconsistent for suicidal behavior. This study investigated the associations of these two drugs with the risk of suicide-related events, and possible differences between drugs, by using within-individual designs in a register-based longitudinal cohort...
June 9, 2017: American Journal of Psychiatry
https://www.readbyqxmd.com/read/28584228/magnetic-character-of-holmium-atom-adsorbed-on-platinum-surface
#9
A B Shick, D S Shapiro, J Kolorenc, A I Lichtenstein
We address a recent controversy concerning the magnetic state of holmium adatom on platinum surface. Within a combination of the density functional theory (DFT) with the exact diagonalization (ED) of Anderson impurity model, the 〈J z 〉 = 0 paramagnetic ground state |J = 8, J z  = ±8〉 is found. In an external magnetic field, this state is transformed to a spin-polarized state with 〈J z 〉 ≈ 6.7. We emphasize the role of 5d-4f interorbital exchange polarization in modification of the 4f shell energy spectrum...
June 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28578747/the-decomposition-of-shared-environmental-influences-on-externalizing-syndromes-in-the-swedish-population-a-multivariate-study
#10
Henrik Ohlsson, Kenneth S Kendler, Paul Lichtenstein, Jan Sundquist, Kristina Sundquist
Using information from Swedish population registries, we attempt to decompose the shared environment (C) into four subcomponents: close family, family, household, and community. Among pairs differing in their genetic and geographical/household relationships, we examine three externalizing syndromes: drug abuse (DA), criminal behavior (CB), and alcohol use disorders (AUD). The best-fitting common pathway model suggested that total estimates for C were higher for DA (21% for males and 18% for females) than for AUD (16% and 14%) and CB (17% and 10%)...
June 5, 2017: Twin Research and Human Genetics: the Official Journal of the International Society for Twin Studies
https://www.readbyqxmd.com/read/28575527/neighborhood-influences-on-violent-reoffending-risk-in-released-prisoners-diagnosed-with-psychotic-disorders
#11
Amir Sariaslan, Henrik Larsson, Paul Lichtenstein, Seena Fazel
Released prisoners diagnosed with psychotic disorders have elevated rates of violent reoffending risk and their exposure to adverse neighborhood environments may contribute to this risk. We identified all released sentenced prisoners in Sweden between 2003 and 2013 (n = 47226) and followed them up for a median period of 4.4 years. We identified prisoners who had ever been diagnosed with a psychotic disorder (n = 3782) or prescribed antipsychotics (n = 7366). We examined 3 neighborhood characteristics: income, proportion of welfare recipients, and crime rate...
June 1, 2017: Schizophrenia Bulletin
https://www.readbyqxmd.com/read/28569757/fetal-and-postnatal-metal-dysregulation-in-autism
#12
Manish Arora, Abraham Reichenberg, Charlotte Willfors, Christine Austin, Chris Gennings, Steve Berggren, Paul Lichtenstein, Henrik Anckarsäter, Kristiina Tammimies, Sven Bölte
Genetic and environmental factors contribute to the etiologies of autism spectrum disorder (ASD), but evidence of specific environmental exposures and susceptibility windows is limited. Here we study monozygotic and dizygotic twins discordant for ASD to test whether fetal and postnatal metal dysregulation increases ASD risk. Using validated tooth-matrix biomarkers, we estimate pre- and post-natal exposure profiles of essential and toxic elements. Significant divergences are apparent in metal uptake between ASD cases and their control siblings, but only during discrete developmental periods...
June 1, 2017: Nature Communications
https://www.readbyqxmd.com/read/28566309/in-memoriam
#13
Alice H Lichtenstein
No abstract text is available yet for this article.
May 31, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28566140/computer-assisted-orthognathic-surgery-evaluation-of-mandible-registration-accuracy-and-report-of-the-first-clinical-cases-of-navigated-sagittal-split-ramus-osteotomy
#14
H Naujokat, M Rohnen, J Lichtenstein, F Birkenfeld, M Gerle, C Flörke, J Wiltfang
Intraoperative navigation is a helpful tool in complex anatomical regions or procedures. The mobility of the mandible in relation to the skull base limits the use of navigation tools on the lower jaw if the reference device is installed on the forehead. A new workflow that allows navigation-assisted sagittal split osteotomy in orthognathic surgery using a separate non-invasive mandibular registration technique has been developed. An evaluation of accuracy in different anatomical regions and with different registration techniques was performed on skull models and skulls with movable mandibles...
May 28, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28555639/clonally-stable-v%C3%AE%C2%BA-allelic-choice-instructs-ig%C3%AE%C2%BA-repertoire
#15
Rena Levin-Klein, Shira Fraenkel, Michal Lichtenstein, Louise S Matheson, Osnat Bartok, Yuval Nevo, Sebastian Kadener, Anne E Corcoran, Howard Cedar, Yehudit Bergman
Although much has been done to understand how rearrangement of the Igκ locus is regulated during B-cell development, little is known about the way the variable (V) segments themselves are selected. Here we show, using B6/Cast hybrid pre-B-cell clones, that a limited number of V segments on each allele is stochastically activated as characterized by the appearance of non-coding RNA and histone modifications. The activation states are clonally distinct, stable across cell division and developmentally important in directing the Ig repertoire upon differentiation...
May 30, 2017: Nature Communications
https://www.readbyqxmd.com/read/28554680/the-treat-registry-evolution-of-knowledge-from-1999-to-2017-lessons-learned
#16
Gary R Lichtenstein
No abstract text is available yet for this article.
May 26, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28552028/invalid-before-impaired-an-emerging-paradox-of-embedded-validity-indicators
#17
Laszlo A Erdodi, Jonathan D Lichtenstein
OBJECTIVE: Embedded validity indicators (EVIs) are cost-effective psychometric tools to identify non-credible response sets during neuropsychological testing. As research on EVIs expands, assessors are faced with an emerging contradiction: the range of credible impairment disappears between the 'normal' and 'invalid' range of performance. We labeled this phenomenon as the invalid-before-impaired paradox. This study was designed to explore the origin of this psychometric anomaly, subject it to empirical investigation, and generate potential solutions...
May 27, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28551761/a-family-based-study-of-the-association-between-labor-induction-and-offspring-attention-deficit-hyperactivity-disorder-and-low-academic-achievement
#18
Kelsey K Wiggs, Martin E Rickert, Sonia Hernandez-Diaz, Brian T Bateman, Catarina Almqvist, Henrik Larsson, Paul Lichtenstein, Anna Sara Oberg, Brian M D'Onofrio
The current study examined associations between labor induction and both (1) offspring attention-deficit hyperactivity disorder (ADHD) diagnosis in a Swedish birth cohort born 1992-2005 (n = 1,085,008) and (2) indices of offspring low academic achievement in a sub-cohort born 1992-1997 (n = 489,196). Associations were examined in the entire sample (i.e., related and unrelated individuals) with adjustment for measured covariates and, in order to account for unmeasured confounders shared within families, within differentially exposed cousins and siblings...
May 27, 2017: Behavior Genetics
https://www.readbyqxmd.com/read/28546789/fecal-microbiota-transplantation-an-update
#19
Gary R Lichtenstein
No abstract text is available yet for this article.
April 2017: Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28545753/specific-components-of-pediatricians-medication-related-care-predict-attention-deficit-hyperactivity-disorder-symptom-improvement
#20
Jeffery N Epstein, Kelly J Kelleher, Rebecca Baum, William B Brinkman, James Peugh, William Gardner, Phil Lichtenstein, Joshua M Langberg
OBJECTIVE: The development of attention-deficit/hyperactivity disorder (ADHD) care quality measurements is a prerequisite to improving the quality of community-based pediatric care of children with ADHD. Unfortunately, the evidence base for existing ADHD care quality metrics is poor. The objective of this study was to identify which components of ADHD care best predict patient outcomes. METHOD: Parents of 372 medication-naïve children in grades 1 to 5 presenting to their community-based pediatrician (N = 195) for an ADHD-related concern and who were subsequently prescribed ADHD medication were identified...
June 2017: Journal of the American Academy of Child and Adolescent Psychiatry
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