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https://www.readbyqxmd.com/read/28621972/warm-dense-matter-demonstrating-non-drude-conductivity-from-observations-of-nonlinear-plasmon-damping
#1
B B L Witte, L B Fletcher, E Galtier, E Gamboa, H J Lee, U Zastrau, R Redmer, S H Glenzer, P Sperling
We present simulations using finite-temperature density-functional-theory molecular dynamics to calculate the dynamic electrical conductivity in warm dense aluminum. The comparison between exchange-correlation functionals in the Perdew-Burke-Enzerhof and Heyd-Scuseria-Enzerhof (HSE) approximation indicates evident differences in the density of states and the dc conductivity. The HSE calculations show excellent agreement with experimental Linac Coherent Light Source x-ray plasmon scattering spectra revealing plasmon damping below the widely used random phase approximation...
June 2, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28613276/genetic-loci-associated-with-heart-rate-variability-and-their-effects-on-cardiac-disease-risk
#2
Ilja M Nolte, M Loretto Munoz, Vinicius Tragante, Azmeraw T Amare, Rick Jansen, Ahmad Vaez, Benedikt von der Heyde, Christy L Avery, Joshua C Bis, Bram Dierckx, Jenny van Dongen, Stephanie M Gogarten, Philippe Goyette, Jussi Hernesniemi, Ville Huikari, Shih-Jen Hwang, Deepali Jaju, Kathleen F Kerr, Alexander Kluttig, Bouwe P Krijthe, Jitender Kumar, Sander W van der Laan, Leo-Pekka Lyytikäinen, Adam X Maihofer, Arpi Minassian, Peter J van der Most, Martina Müller-Nurasyid, Michel Nivard, Erika Salvi, James D Stewart, Julian F Thayer, Niek Verweij, Andrew Wong, Delilah Zabaneh, Mohammad H Zafarmand, Abdel Abdellaoui, Sulayma Albarwani, Christine Albert, Alvaro Alonso, Foram Ashar, Juha Auvinen, Tomas Axelsson, Dewleen G Baker, Paul I W de Bakker, Matteo Barcella, Riad Bayoumi, Rob J Bieringa, Dorret Boomsma, Gabrielle Boucher, Annie R Britton, Ingrid Christophersen, Andrea Dietrich, George B Ehret, Patrick T Ellinor, Markku Eskola, Janine F Felix, John S Floras, Oscar H Franco, Peter Friberg, Maaike G J Gademan, Mark A Geyer, Vilmantas Giedraitis, Catharina A Hartman, Daiane Hemerich, Albert Hofman, Jouke-Jan Hottenga, Heikki Huikuri, Nina Hutri-Kähönen, Xavier Jouven, Juhani Junttila, Markus Juonala, Antti M Kiviniemi, Jan A Kors, Meena Kumari, Tatiana Kuznetsova, Cathy C Laurie, Joop D Lefrandt, Yong Li, Yun Li, Duanping Liao, Marian C Limacher, Henry J Lin, Cecilia M Lindgren, Steven A Lubitz, Anubha Mahajan, Barbara McKnight, Henriette Meyer Zu Schwabedissen, Yuri Milaneschi, Nina Mononen, Andrew P Morris, Mike A Nalls, Gerjan Navis, Melanie Neijts, Kjell Nikus, Kari E North, Daniel T O'Connor, Johan Ormel, Siegfried Perz, Annette Peters, Bruce M Psaty, Olli T Raitakari, Victoria B Risbrough, Moritz F Sinner, David Siscovick, Johannes H Smit, Nicholas L Smith, Elsayed Z Soliman, Nona Sotoodehnia, Jan A Staessen, Phyllis K Stein, Adrienne M Stilp, Katarzyna Stolarz-Skrzypek, Konstantin Strauch, Johan Sundström, Cees A Swenne, Ann-Christine Syvänen, Jean-Claude Tardif, Kent D Taylor, Alexander Teumer, Timothy A Thornton, Lesley E Tinker, André G Uitterlinden, Jessica van Setten, Andreas Voss, Melanie Waldenberger, Kirk C Wilhelmsen, Gonneke Willemsen, Quenna Wong, Zhu-Ming Zhang, Alan B Zonderman, Daniele Cusi, Michele K Evans, Halina K Greiser, Pim van der Harst, Mohammad Hassan, Erik Ingelsson, Marjo-Riitta Järvelin, Stefan Kääb, Mika Kähönen, Mika Kivimaki, Charles Kooperberg, Diana Kuh, Terho Lehtimäki, Lars Lind, Caroline M Nievergelt, Chris J O'Donnell, Albertine J Oldehinkel, Brenda Penninx, Alexander P Reiner, Harriëtte Riese, Arie M van Roon, John D Rioux, Jerome I Rotter, Tamar Sofer, Bruno H Stricker, Henning Tiemeier, Tanja G M Vrijkotte, Folkert W Asselbergs, Bianca J J M Brundel, Susan R Heckbert, Eric A Whitsel, Marcel den Hoed, Harold Snieder, Eco J C de Geus
Reduced cardiac vagal control reflected in low heart rate variability (HRV) is associated with greater risks for cardiac morbidity and mortality. In two-stage meta-analyses of genome-wide association studies for three HRV traits in up to 53,174 individuals of European ancestry, we detect 17 genome-wide significant SNPs in eight loci. HRV SNPs tag non-synonymous SNPs (in NDUFA11 and KIAA1755), expression quantitative trait loci (eQTLs) (influencing GNG11, RGS6 and NEO1), or are located in genes preferentially expressed in the sinoatrial node (GNG11, RGS6 and HCN4)...
June 14, 2017: Nature Communications
https://www.readbyqxmd.com/read/28596291/ddx54-regulates-transcriptome-dynamics-during-dna-damage-response
#3
Miha Milek, Koshi Imami, Neelanjan Mukherjee, Francesca De Bortoli, Ulrike Zinnall, Orsalia Hazapis, Christian Trahan, Marlene Oeffinger, Florian Heyd, Uwe Ohler, Matthias Selbach, Markus Landthaler
The cellular response to genotoxic stress is mediated by a well-characterized network of DNA surveillance pathways. The contribution of posttranscriptional gene regulatory networks to the DNA damage response (DDR) has not been extensively studied. Here, we systematically identified RNA-binding proteins differentially interacting with polyadenylated transcripts upon exposure of human breast carcinoma cells to ionizing radiation (IR). Interestingly, more than 260 proteins including many nucleolar proteins showed increased binding to poly(A) RNA in IR-exposed cells...
June 8, 2017: Genome Research
https://www.readbyqxmd.com/read/28547575/incomplete-burst-fractures-of-the-thoracolumbar-spine-a-review-of-literature
#4
REVIEW
U J Spiegl, C Josten, B M Devitt, C-E Heyde
PURPOSE: The purpose of this review was to analyze the biomechanical basis of incomplete burst fractures of the thoracolumbar spine, summarize the available treatment options with evidence from the literature, and to propose a method to differentiate fracture severity. METHODS: The injury pattern, classification, and treatment strategies of incomplete burst fractures of the thoracolumbal spine have been described following a review of the literature. All level I-III studies, studies with long-term results and comparative studies were included and summarized...
May 25, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28547573/results-of-lumbar-spondylodeses-using-different-bone-grafting-materials-after-transforaminal-lumbar-interbody-fusion-tlif
#5
Nicolas Heinz vonderHoeh, Anna Voelker, Christoph-Eckhard Heyde
PURPOSE: Can a mixture of hydroxyapatite (HA) and autologous bone from decompression sites produce similar results when used for transforaminal lumbar interbody fusion (TLIF)? In the current literature, autologous iliac crest bone grafts (ICBGs) have been reported the gold standard for this procedure. Indeed, to date, no clinical data have confirmed that a mixture of equal volumes of HA and local autologous bone produce similar results in term of fusion as the same volume of autologous ICBG alone...
May 25, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28540098/combined-treatment-of-a-gallbladder-volvulus-with-a-common-bile-duct-obstruction
#6
M Laydi, K Charpentier, B Paquette, B Heyd
Gallbladder volvulus is a rare disease and can lead to an acute cholecystitis. We report the case of an elderly woman with a gallbladder volvulus, diagnosed at CT scan and treated by surgery and endoscopic sphincterotomy.
2017: Case Reports in Surgery
https://www.readbyqxmd.com/read/28538766/heyde-s-syndrome-and-transcatheter-aortic-valve-implantation
#7
Conrado Pedroso Balbo, Luciana Paula Seabra, Victor Gualda Galoro, Guido Caputi, José Honório Palma, Ênio Buffolo
No abstract text is available yet for this article.
April 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28481153/von-willebrand-factor-as-a-novel-player-in-valvular-heart-disease-from-bench-to-valve-replacement
#8
Felice Gragnano, Mario Crisci, Maurizio Cappelli Bigazzi, Renatomaria Bianchi, Simona Sperlongano, Francesco Natale, Fabio Fimiani, Claudia Concilio, Arturo Cesaro, Ivana Pariggiano, Vincenzo Diana, Giuseppe Limongelli, Plinio Cirillo, Mariagiovanna Russo, Enrica Golia, Paolo Calabrò
von Willebrand Factor (vWF) is a well-known mediator of hemostasis and vascular inflammation. Its dynamic modulation in the bloodstream, according to hemodynamic conditions, makes it an appealing biomarker in patients with valvular heart disease (VHD). Recent studies highlight the close connection between vWF and VHD, with possible implications in the pathogenesis of VHD, promoting valve aging and calcification or favoring the development of infective endocarditis. Moreover, vWF has been recently proposed as a new diagnostic and prognostic tool in patients with valve stenosis or regurgitation, showing a strict correlation with severity of valve disease, outcome, and bleeding (Heyde syndrome)...
January 1, 2017: Angiology
https://www.readbyqxmd.com/read/28383673/overall-survival-prediction-and-usefulness-of-second-line-chemotherapy-in-advanced-pancreatic-adenocarcinoma
#9
Angélique Vienot, Guillaume Beinse, Christophe Louvet, Louis de Mestier, Aurélia Meurisse, Francine Fein, Bruno Heyd, Denis Cleau, Christelle d'Engremont, Anne-Claire Dupont-Gossart, Zaher Lakkis, Christophe Tournigand, Olivier Bouché, Benoît Rousseau, Cindy Neuzillet, Franck Bonnetain, Christophe Borg, Dewi Vernerey
Background: In advanced pancreatic ductal adenocarcinoma (aPDAC), there is no consensual strategy for second-line chemotherapy (L2). Better discrimination of overall survival (OS) may help clinical decision-making. We aimed to predict OS from the beginning of L2 and to assess the benefit from chemotherapy among the identified risk groups. Methods: Analyses were derived from all consecutive aPDAC patients treated at Besancon University Hospital, Besancon, France, between January 2003 and December 2013 (n = 462)...
April 4, 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28379445/optimizing-use-of-girdled-ash-trees-for-management-of-low-density-emerald-ash-borer-coleoptera-buprestidae-populations
#10
Nathan W Siegert, Deborah G McCullough, Therese M Poland, Robert L Heyd
Effective survey methods to detect and monitor recently established, low-density infestations of emerald ash borer, Agrilus planipennis Fairmaire (Coleoptera: Buprestidae), remain a high priority because they provide land managers and property owners with time to implement tactics to slow emerald ash borer population growth and the progression of ash mortality. We evaluated options for using girdled ash (Fraxinus spp.) trees for emerald ash borer detection and management in a low-density infestation in a forested area with abundant green ash (F...
June 1, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28369134/low-cost-feedback-controlled-syringe-pressure-pumps-for-microfluidics-applications
#11
John R Lake, Keith C Heyde, Warren C Ruder
Microfluidics are widely used in research ranging from bioengineering and biomedical disciplines to chemistry and nanotechnology. As such, there are a large number of options for the devices used to drive and control flow through microfluidic channels. Commercially available syringe pumps are probably the most commonly used instruments for this purpose, but are relatively high-cost and have inherent limitations due to their flow profiles when they are run open-loop. Here, we present a low-cost ($110) syringe pressure pump that uses feedback control to regulate the pressure into microfluidic chips...
2017: PloS One
https://www.readbyqxmd.com/read/28362604/left-ventricular-myocardial-segmentation-in-3d-ultrasound-recordings-effect-of-different-endoand-epicardial-coupling-strategies
#12
Joao Pedrosa, Daniel Barbosa, Brecht Heyde, Frederic Schnell, Assami Rosner, Piet Claus, Jan D Hooge
Cardiac volume/function assessment remains a critical step in daily cardiology and 3D ultrasound plays an increasingly important role. Though development of automatic endocardial segmentation methods has received much attention, the same cannot be said about epicardial segmentation, in spite of the importance of full myocardial segmentation. In this study, different ways of coupling the endo- and epicardial segmentation are contrasted and compared to uncoupled segmentation. For this purpose, the B-spline Explicit Active Surfaces framework was used...
December 12, 2016: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/28362372/using-synthetic-biology-to-engineer-living-cells-that-interface-with-programmable-materials
#13
Keith C Heyde, Felicia Y Scott, Sung-Ho Paek, Ruihua Zhang, Warren C Ruder
We have developed an abiotic-biotic interface that allows engineered cells to control the material properties of a functionalized surface. This system is made by creating two modules: a synthetically engineered strain of E. coli cells and a functionalized material interface. Within this paper, we detail a protocol for genetically engineering selected behaviors within a strain of E. coli using molecular cloning strategies. Once developed, this strain produces elevated levels of biotin when exposed to a chemical inducer...
March 9, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28357458/-necrosis-with-mummification-of-the-foot-in-a%C3%A2-33-year-old-man-with-anxiety-disorder
#14
D Zajonz, N von der Höh, M Moche, T Lingscheidt, C Josten, C-E Heyde, U J A Spiegl
No abstract text is available yet for this article.
March 29, 2017: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/28333377/circadian-rhythms-in-adipose-tissue-physiology
#15
Jana-Thabea Kiehn, Anthony H Tsang, Isabel Heyde, Brinja Leinweber, Isa Kolbe, Alexei Leliavski, Henrik Oster
The different types of adipose tissues fulfill a wide range of biological functions-from energy storage to hormone secretion and thermogenesis-many of which show pronounced variations over the course of the day. Such 24-h rhythms in physiology and behavior are coordinated by endogenous circadian clocks found in all tissues and cells, including adipocytes. At the molecular level, these clocks are based on interlocked transcriptional-translational feedback loops comprised of a set of clock genes/proteins. Tissue-specific clock-controlled transcriptional programs translate time-of-day information into physiologically relevant signals...
March 16, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28316058/retrospective-analysis-of-clinical-and-virological-parameters-of-influenza-cases-at-four-university-hospitals-in-germany-2015
#16
Robert Heyd, Anna Maria Eis-Hübinger, Annemarie Berger, Sibylle Bierbaum, Sandra Pietzonka, Jürgen J Wenzel, Daniela Huzly, Oliver T Keppler, Marcus Panning
We conducted a retrospective observational study at four German university hospitals of patients with laboratory-confirmed influenza in 2014/2015. Overall, a fatality rate of 8% was observed. Significantly more A(H1N1)pdm09 patients were admitted to ICU compared to those with A(H3N2). However, fatal outcome was not significantly increased among A(H1N1)pdm09 cases. Nosocomial infections were seen in 17% of cases. Systematic collection of data from hospitals will complement national influenza surveillance.
June 2017: Infection
https://www.readbyqxmd.com/read/28315984/thermomechanical-method-for-cement-extraction-in-revision-arthroplasty
#17
M Ghanem, A Koenig, F Dehn, C-E Heyde, C Josten
BACKGROUND: In joint revision surgery, bone cement extraction remains a major challenge which even today has not seen a satisfactory solution yet. We studied in an experimental setting the impact of heat sources on the mechanical properties and microstructure of bone cement and determined the glass transition temperature (T G) of bone cement. As a result, it would be possible to establish a thermomechanical method which makes use of the structural and material-specific property changes inherent in bone cement at elevated temperatures...
March 18, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28278451/reference-free-adjustment-of-respiratory-inductance-plethysmography-for-measurements-during-physical-exercise
#18
Heike Leutheuser, Christian Heyde, Kai Roecker, Albert Gollhofer, Bjoern Eskofier
OBJECTIVE: Respiratory inductance plethysmography (RIP) provides an unobtrusive method for measuring breathing characteristics. Accurately adjusted RIP provides reliable measurements of ventilation during rest and exercise if data are acquired via two elastic measuring bands surrounding the rib cage (RC) and abdomen (AB). Disadvantageously, the most accurate reported adjusted model for RIP in literature-least squares regression-requires simultaneous RIP and flowmeter (FM) data acquisition...
March 3, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28276127/heyde-s-syndrome-revisited-anaemia-and-aortic-stenosis
#19
Catherina Tjahjadi, Yong Wee, Karen Hay, Peter Tesar, Andrew Clarke, Darren L Walters, Nicholas Bett
BACKGROUND: The association of anaemia with aortic stenosis (AS) has been recognised for over 50 years but although there have been a number of sporadic reports there are little data on the prevalence of this syndrome. AIMS: We sought to compare the prevalence of anaemia in adults with AS with that of controls who had undergone coronary artery bypass grafting (CABG). METHODS: We conducted a retrospective cohort study comparing pre-procedural levels of haemoglobin in 1537 adults who underwent aortic valve replacement (AVR) for AS with 8025 contemporaneous patients who had CABG...
March 9, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28271148/emergency-surgery-for-obstructing-colonic-cancer-a-comparison-between-right-sided-and-left-sided-lesions
#20
J-L Faucheron, B Paquette, B Trilling, B Heyd, S Koch, G Mantion
PURPOSE: Few studies compare management and outcomes of obstructive colonic cancer, depending on the tumor site. We aim to evaluate the differences in patient characteristics, tumor characteristics, and outcomes of emergency surgery for obstructive right-sided versus left-sided colonic cancers. METHODS: Between 2000 and 2009, 71 consecutive patients had an emergency colectomy following strict and clear definition of obstruction in a single institution. We retrospectively analyzed pre, per, and postoperative data that were prospectively collected...
March 7, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
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