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https://www.readbyqxmd.com/read/27910420/high-sensitivity-far-infrared-laser-diagnostics-for-the-c-2u-advanced-beam-driven-field-reversed-configuration-plasmas
#1
B H Deng, M Beall, J Schroeder, G Settles, P Feng, J S Kinley, H Gota, M C Thompson
A high sensitivity multi-channel far infrared laser diagnostics with switchable interferometry and polarimetry operation modes for the advanced neutral beam-driven C-2U field-reversed configuration (FRC) plasmas is described. The interferometer achieved superior resolution of 1 × 10(16) m(-2) at >1.5 MHz bandwidth, illustrated by measurement of small amplitude high frequency fluctuations. The polarimetry achieved 0.04° instrument resolution and 0.1° actual resolution in the challenging high density gradient environment with >0...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27908502/centralized-capacity-building-training-of-lichtenstein-hernioplasty-in-brazil
#2
Alexandra M Moore, Néha Datta, Justin P Wagner, Alexander D Schroeder, Wolfgang Reinpold, Maurice Y Franciss, Rodrigo A Silva, David C Chen, Charles J Filipi, Sergio Roll
BACKGROUND: In Brazil, access to healthcare varies widely by community. Options for repair of surgically correctable conditions, such as inguinal hernias, are limited. A training program was instituted to expand access to Lichtenstein hernioplasty. METHODS: Between September, 2014 and September, 2015, 3 orders of training series took place in São Paulo, Brazil. Participating surgeons received training and assessments from expert trainers using the Operative Performance Rating Scale (OPRS)...
November 22, 2016: American Journal of Surgery
https://www.readbyqxmd.com/read/27908136/polymer-extension-under-flow-some-statistical-properties-of-the-work-distribution-function
#3
Aishani Ghosal, Binny J Cherayil
In an extension of earlier studies from this group on the application of the Jarzynski equality to the determination of the elastic properties of a finitely extensible Rouse model of polymers under flow [A. Ghosal and B. J. Cherayil, J. Chem. Phys. 144, 214902 (2016)], we derive several new theoretical results in this paper on the nature of the distribution function P(w) that governs the long-time limit t>1 of the fluctuations in the work w performed by the polymer during flow-induced stretching. In particular, we show that an expression for the average of the nth power of the work, ⟨w(n)(t)⟩, can be obtained in closed form in this limit, making it possible to exactly calculate three important statistical measures of P(w): the mean μ, the skewness γ1, and the kurtosis γ2 (apart from the variance σ(2))...
November 28, 2016: Journal of Chemical Physics
https://www.readbyqxmd.com/read/27900657/the-sawtooth-sign-is-predictive-of-obstructive-sleep-apnea
#4
Michael H Bourne, Paul D Scanlon, Darrell R Schroeder, Eric J Olson
BACKGROUND: The sawtooth sign in spirometry is associated with redundant upper airway tissue and snoring, but its predictive value for identifying obstructive sleep apnea (OSA) is disputed. We retrospectively assessed the predictive value of the spirometric sawtooth sign in terms of the odds ratio (OR) of association with a diagnosis of OSA compared to those without the sign. METHODS: Consecutive spirometry reports showing a sawtooth sign were identified from our laboratory...
November 29, 2016: Sleep & Breathing, Schlaf & Atmung
https://www.readbyqxmd.com/read/27899435/imaging-oxygen-metabolism-with-hyperpolarized-magnetic-resonance-a-novel-approach-for-cardiac-and-renal-function%C3%A2-assessement
#5
Marie Schroeder, Christoffer Lausten
Every tissue in the body critically depends on meeting its energetic demands with sufficient oxygen supply. Oxygen supply/demand imbalances underlie the diseases that inflict the greatest socioeconomic burden globally. The purpose of this review is to examine how hyperpolarized contrast media, used in combination with MR data acquisition methods, may advance our ability to assess oxygen metabolism non-invasively and thus improve management of clinical disease. We first introduce the concept of hyperpolarization and how hyperpolarized contrast media have been practically implemented to achieve translational and clinical research...
November 29, 2016: Bioscience Reports
https://www.readbyqxmd.com/read/27898862/the-influence-of-supplemental-zn-amino-acid-complex-and-ractopamine-hydrochloride-feeding-duration-on-growth-performance-and-carcass-characteristics-of-finishing-beef-cattle
#6
O N Genther-Schroeder, M E Branine, S L Hansen
Previous research indicates that finishing steer ADG and G:F increases linearly with increasing dietary Zn-amino acid complex (ZnAA) supplementation in cattle fed ractopamine hydrochloride (RAC). The objective of this study was to determine the influence of supplemental Zn-amino acid complex on growth performance and carcass characteristics of finishing steers fed RAC for 0, 28, or 42 d prior to harvest. This study was organized as 2 groups (GRP) of steers fed concurrently, for 91 (GRP 1) or 84 d (GRP 2). A total of 324 steers (463 ± 23...
October 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27898600/is-it-necessary-to-extend-a-multilevel-posterior-cervical-decompression-and-fusion-to-the-upper-thoracic-spine
#7
Gregory D Schroeder, Christopher K Kepler, Mark F Kurd, Loren Mead, Paul W Millhouse, Priyanka Kumar, Kristen Nicholson, Christie Stawicki, Andrew Helber, Daniella Fasciano, Alpesh A Patel, Barret I Woods, Kris E Radcliff, Jeffery A Rihn, D Greg Anderson, Alan S Hilibrand, Alexander R Vaccaro
STUDY DESIGN: A retrospective cohort analysis. OBJECTIVE: The aim of this study was to determine if there is a difference in the revision rate in patients who undergo a multilevel posterior cervical fusions ending at C7, T1, or T2-T4. SUMMARY OF BACKGROUND DATA: Multilevel posterior cervical decompression and fusion is a common procedure for patients with cervical spondylotic myelopathy, but there is little literature available to help guide the surgeon in choosing the caudal level of a multilevel posterior cervical fusion...
December 1, 2016: Spine
https://www.readbyqxmd.com/read/27898451/the-effect-of-dynamic-versus-static-plating-systems-on-fusion-rates-and-complications-in-1-level-and-or-2-level-anterior-cervical-discectomy-and-fusion-a-systematic-review
#8
Gregory D Schroeder, Christopher K Kepler, Douglas A Hollern, Ricardo Rodrigues-Pinto, Mark F Kurd, Jefferson R Wilson, Mitchell G Maltenfort, Jonathan T Paul, Andrew N Fleischman, Kathryn Dwight, Paul W Millhouse, Alexander R Vaccaro
STUDY DESIGN: A systematic review. OBJECTIVE: To determine the effect of plate design on fusion rates in patients undergoing a 1- and 2-level anterior cervical discectomy and fusion (ACDF). METHODS: Articles published between January 1, 2002 and January 1, 2015 were systematically reviewed to determine the fusion rate of 1- and 2-level ACDFs using either a fully constrained or semiconstrained locking plate. Additional variables that were collected included the number of levels, the type of graft/cage used, the study design, the method for determining fusion, and complications...
November 28, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27893845/meta-heuristics-in-short-scale-construction-ant-colony-optimization-and-genetic-algorithm
#9
Ulrich Schroeders, Oliver Wilhelm, Gabriel Olaru
The advent of large-scale assessment, but also the more frequent use of longitudinal and multivariate approaches to measurement in psychological, educational, and sociological research, caused an increased demand for psychometrically sound short scales. Shortening scales economizes on valuable administration time, but might result in inadequate measures because reducing an item set could: a) change the internal structure of the measure, b) result in poorer reliability and measurement precision, c) deliver measures that cannot effectively discriminate between persons on the intended ability spectrum, and d) reduce test-criterion relations...
2016: PloS One
https://www.readbyqxmd.com/read/27893163/sorafenib-and-azacitidine-as-salvage-therapy-for-relapse-of-flt3-itd-mutated-aml-after-allo-sct
#10
Christina Rautenberg, Kathrin Nachtkamp, Ariane Dienst, Pia Verena Schmidt, Claudia Heyn, Mustafa Kondakci, Ulrich Germing, Rainer Haas, Guido Kobbe, Thomas Schroeder
OBJECTIVE: Patients with acute myeloid leukemia (AML) carrying FLT3-ITD mutations (FLT3-ITD+) who relapse after allogeneic 3transplantation (allo-SCT) have a very dismal prognosis with the currently available treatment options. METHODS: We treated 8 patients with FLT3-ITD+ AML who had relapsed in median 91 days (range, 28 - 249) following allo-SCT with a combination of the multikinase inhibitor Sorafenib and the DNA methyltransferase inhibitor Azacitidine (Aza)...
November 28, 2016: European Journal of Haematology
https://www.readbyqxmd.com/read/27892478/continuous-single-cell-imaging-reveals-sequential-steps-of-plasmacytoid-dendritic-cell-development-from-common-dendritic-cell-progenitors
#11
Ezgi Dursun, Max Endele, Andrea Musumeci, Henrik Failmezger, Shu-Hung Wang, Achim Tresch, Timm Schroeder, Anne B Krug
Functionally distinct plasmacytoid and conventional dendritic cells (pDC and cDC) shape innate and adaptive immunity. They are derived from common dendritic cell progenitors (CDPs) in the murine bone marrow, which give rise to CD11c(+) MHCII(-) precursors with early commitment to DC subpopulations. In this study, we dissect pDC development from CDP into an ordered sequence of differentiation events by monitoring the expression of CD11c, MHC class II, Siglec H and CCR9 in CDP cultures by continuous single cell imaging and tracking...
November 28, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27888959/bearing-witness-the-lived-experience-of-sitting-with-patients
#12
Rebecca Schroeder
There is abundant literature focused on the practice of using hospital sitters as part of standard patient safety care. However, minimal attention has been paid to understanding the actual experiences of hospital workers as they sit with distressed and often agitated patients. With the overwhelming number of hospitalized patients who require sitters, attention must be paid to the healthcare workers' perspective. In this study a phenomenological approach was used to elicit the perceptions of these hospital sitters...
December 2016: Archives of Psychiatric Nursing
https://www.readbyqxmd.com/read/27886879/thoracolumbar-trauma-classification
#13
REVIEW
Gregory D Schroeder, James S Harrop, Alexander R Vaccaro
Useful thoracolumbar injury classifications allow for meaningful and concise communication between surgeons, trainees, and researchers. Although many have been proposed, none have been able to obtain universal acceptance. Historically, classifications focused only on the osseous injuries; more recent classifications focused on the injury morphology and other critical determinants of treatment, including the posterior ligamentous complex integrity and the patient's neurologic status. This review details the important historic classifications and reviews more contemporary thoracolumbar injury classifications, such as the Thoracolumbar Injury Classification System and the AOSpine Thoracolumbar Injury Classification System...
January 2017: Neurosurgery Clinics of North America
https://www.readbyqxmd.com/read/27884959/cardiac-responses-to-exercise-distinguish-postural-orthostatic-tachycardia-syndrome-variants
#14
Paolo T Pianosi, Darrell R Schroeder, Philip R Fischer
We previously showed that one-third of adolescents with postural orthostatic tachycardia syndrome (POTS) have hyperkinetic circulation. In a subsequent cohort, we compare participants with POTS grouped according to cardiac output (Q˙) versus oxygen uptake (V˙O2) function, whose circulatory response to exercise lay at the lower end of this distribution. We hypothesized that such grouping determines the circulatory response to incremental-protocol, upright, cycle ergometry by whatever blend of flow and resistance adjustments best maintains normal blood pressure...
November 2016: Physiological Reports
https://www.readbyqxmd.com/read/27883891/analysis-of-cell-lineage-trees-by-exact-bayesian-inference-identifies-negative-autoregulation-of-nanog-in-mouse-embryonic-stem-cells
#15
Justin Feigelman, Stefan Ganscha, Simon Hastreiter, Michael Schwarzfischer, Adam Filipczyk, Timm Schroeder, Fabian J Theis, Carsten Marr, Manfred Claassen
Many cellular effectors of pluripotency are dynamically regulated. In principle, regulatory mechanisms can be inferred from single-cell observations of effector activity across time. However, rigorous inference techniques suitable for noisy, incomplete, and heterogeneous data are lacking. Here, we introduce stochastic inference on lineage trees (STILT), an algorithm capable of identifying stochastic models that accurately describe the quantitative behavior of cell fate markers observed using time-lapse microscopy data collected from proliferating cell populations...
November 23, 2016: Cell Systems
https://www.readbyqxmd.com/read/27883297/patients-perception-of-parkinson-s-disease-associated-pain-following-initiation-of-rotigotine-a-multicenter-non-interventional-study
#16
Lars Timmermann, Christian Oehlwein, Gerhard Ransmayr, Holger Fröhlich, Edgar Will, Hanna Schroeder, Thomas Lauterbach, Lars Bauer, Jan Kassubek
OBJECTIVES: To evaluate Parkinson's disease (PD)-associated pain as perceived by the patients (subjective characterization), and how this may change following initiation of rotigotine transdermal patch. METHODS: SP1058 was a non-interventional study conducted in routine clinical practice in Germany and Austria in patients experiencing PD-associated pain (per the physician's assessment). Data were collected at baseline (ie, before rotigotine initiation) and at a routine visit after ≥25 days (-3 days allowed) of treatment on a maintenance dose of rotigotine (end of study [EoS])...
November 24, 2016: Postgraduate Medicine
https://www.readbyqxmd.com/read/27882890/determination-of-conditional-stability-constants-for-phytic-acid-complexes-with-mg-2-ca-2-and-zn-2-ions-using-electrospray-ionization-mass-spectrometry
#17
Michał Cegłowski, Patrycja Balcerzak, Rafał Frański, Grzegorz Schroeder
The electrospray ionization mass spectrometry competitive method has been used for the determination of the conditional stability constants of phytic acid complexes with Mg(2+), Ca(2+) and Zn(2+) ions. The competing complexation between ethylenediaminetetraacetic acid (EDTA) and phytic acid was studied. For EDTA complexes with Mg(2+), Ca(2+) and Zn(2+) ions, the values of the conditional stability constants are known and were used for the calculation of this constant for the phytic acid complexes. The values obtained are in agreement with the literature data...
2016: European Journal of Mass Spectrometry
https://www.readbyqxmd.com/read/27879296/elevated-modified-shock-index-within-24-hours-of-icu-admission-is-an-early-indicator-of-mortality-in-the-critically-ill
#18
Nathan J Smischney, Mohamed O Seisa, Katherine J Heise, Darrell R Schroeder, Timothy J Weister, Daniel A Diedrich
PURPOSE: To assess whether exposure to modified shock index (MSI) in the first 24 hours of intensive care unit (ICU) admission is associated with increased in-hospital mortality. METHODS: Adult critically ill patients were included in a case-control design with 1:2 matching. Cases (death) and controls (alive) were abstracted by a reviewer blinded to exposure status (MSI). Cases were matched to controls on 3 factors-age, end-stage renal disease, and ICU admission diagnosis...
November 21, 2016: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/27869807/a-proposed-biology-and-biomarker-based-algorithm-for-management-of-acute-gvhd
#19
A M Ali, J F DiPersio, M A Schroeder
No abstract text is available yet for this article.
November 21, 2016: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/27869542/treatment-challenge-of-a-non-toxic-cyanobacterium-romeria-elegans-bloom-event-in-a-south-australian-wastewater-treatment-plant-a-case-study
#20
Radisti A Praptiwi, Carlos J Pestana, Emma T Sawade, Nick Swain, Gretchen Schroeder, Gayle Newcombe
A bloom of the non-toxic cyanobacterium Romeria elegans in waste stabilisation ponds within Angaston waste water treatment plant (WWTP) has posed an unprecedented treatment challenge for the local water utility. The water from the stabilisation ponds is chlorinated for safety prior to reuse on nearby farmland. Cyanobacteria concentrations of approximately 1.2×10(6) cells mL(-1) increased the chlorine demand dramatically. Operators continuously increased the disinfectant dose up to 50 mg L(-1) to achieve operational guideline values for combined chlorine (0...
November 21, 2016: Environmental Technology
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