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https://www.readbyqxmd.com/read/28629247/obstetric-practice-patterns-in-pregnancies-complicated-by-fetal-trisomy-13-or-18
#1
Sarah K Dotters-Katz, Marcela C Smid, Cora Mcelwain, Jeffrey A Kuller, Jay Schulkin
PURPOSE: Describe practice patterns among obstetrician/gynecologists (OB/GYNs) when caring for women with pregnancy complicated by fetal trisomy 13(T13) or 18(T18), and compare these between maternal-fetal-medicine (MFM) and non-MFM providers. MATERIALS AND METHODS: We conducted an electronic survey using the American College of Obstetricians and Gynecologists database. Using simple statistics, we describe demographics and practice patterns among respondents, and compare those of MFM practitioners with non-MFM providers...
June 19, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28622600/grain-size-quantification-by-optical-microscopy-electron-backscatter-diffraction-and-magnetic-force-microscopy
#2
Hansheng Chen, Yin Yao, Jacob A Warner, Jiangtao Qu, Fan Yun, Zhixiao Ye, Simon P Ringer, Rongkun Zheng
Quantification of microstructure, especially grain size, in polycrystalline materials is a vital aspect to understand the structure-property relationships in these materials. In this paper, representative characterization techniques for determining the grain size, including optical microscopy (OM), electron backscatter diffraction (EBSD) in the scanning electron microscopy (SEM), and atomic force microscopy/magnetic force microscopy (AFM/MFM), are thoroughly evaluated in comparison, illustrated by rare-earth sintered Nd-Fe-B permanent magnets...
June 13, 2017: Micron: the International Research and Review Journal for Microscopy
https://www.readbyqxmd.com/read/28620542/preconception-consultations-with-maternal-fetal-medicine-for-obese-women-a-retrospective-chart-review
#3
Charlotte M Page, Elizabeth S Ginsburg, Randi H Goldman, Chloe A Zera
BACKGROUND: Obesity is associated with impaired fertility and pregnancy complications, and preconception weight loss may improve some of these outcomes. The purpose of this study was to evaluate the quality and effectiveness of Maternal Fetal Medicine (MFM) preconception consults for obese women. METHODS: We performed a retrospective chart review examining 162 consults at an academic medical center from 2008 to 2014. The main outcome measures included consultation content - e...
2017: Fertility Research and Practice
https://www.readbyqxmd.com/read/28555689/epitaxial-magnetite-nanorods-with-enhanced-room-temperature-magnetic-anisotropy
#4
Sayan Chandra, Raja Das, Vijaysankar Kalappattil, Tatiana Eggers, Catalin Harnagea, Riad Nechache, Manh-Huong Phan, Federico Rosei, Hariharan Srikanth
Nanostructured magnetic materials with well-defined magnetic anisotropy are very promising as building blocks in spintronic devices that operate at room temperature. Here we demonstrate the epitaxial growth of highly oriented Fe3O4 nanorods on a SrTiO3 substrate by hydrothermal synthesis without the use of a seed layer. The epitaxial nanorods showed biaxial magnetic anisotropy with an order of magnitude difference between the anisotropy field values of the easy and hard axes. Using a combination of conventional magnetometry, transverse susceptibility, magnetic force microscopy (MFM) and magneto-optic Kerr effect (MOKE) measurements, we investigate magnetic behavior such as temperature dependent magnetization and anisotropy, along with room temperature magnetic domain formation and its switching...
May 30, 2017: Nanoscale
https://www.readbyqxmd.com/read/28543538/clinical-and-histopathological-features-of-myofibrillar-myopathy-in-warmblood-horses
#5
S J Valberg, A M Nicholson, S S Lewis, R A Reardon, C J Finno
BACKGROUND: To report a novel exertional myopathy, myofibrillar myopathy (MFM), in Warmblood horses. OBJECTIVES: To 1) describe the distinctive clinical and myopathic features of MFM in Warmblood horses, 2) investigate the potential inheritance of MFM in a Warmblood family. STUDY DESIGN: Retrospective selection of MFM cases and prospective evaluation of a Warmblood family. METHODS: Retrospectively, muscle biopsies were selected from Warmblood horses diagnosed with MFM and clinical histories obtained (n = 10)...
May 22, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28523528/comparison-of-visual-outcomes-and-reading-performance-after-bilateral-implantation-of-multifocal-intraocular-lenses-with-bilateral-monofocal-intraocular-lenses
#6
Özge Güngör Akkuş, Ikbal Seza Petriçli
PURPOSE: To compare the visual acuity outcomes, contrast sensitivity function (CS) and reading ability in patients with bilateral multifocal intraocular lenses and patients with bilateral monofocal lenses. SETTING: Vizyon Eye Center, Denizli, Turkey. DESIGN: Comparative case series. METHODS: Consecutive bilateral cataract patients having implantation of Acriva Reviol MFM 611 multifocal IOLs (Group A) or Acriva BB UD 613 monofocal IOLs (Group B) were included...
May 18, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28507700/stepwise-observation-and-quantification-and-mixed-matrix-membrane-separation-of-co2-within-a-hydroxy-decorated-porous-host
#7
Christopher G Morris, Nicholas M Jacques, Harry G W Godfrey, Tamoghna Mitra, Detlev Fritsch, Zhenzhong Lu, Claire A Murray, Jonathan Potter, Tom M Cobb, Fajin Yuan, Chiu C Tang, Sihai Yang, Martin Schröder
The identification of preferred binding domains within a host structure provides important insights into the function of materials. State-of-the-art reports mostly focus on crystallographic studies of empty and single component guest-loaded host structures to determine the location of guests. However, measurements of material properties (e.g., adsorption and breakthrough of substrates) are usually performed for a wide range of pressure (guest coverage) and/or using multi-component gas mixtures. Here we report the development of a multifunctional gas dosing system for use in X-ray powder diffraction studies on Beamline I11 at Diamond Light Source...
April 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28506026/raman-submicron-spatial-mapping-of-individual-mn-doped-zno-nanorods
#8
V Strelchuk, O Kolomys, S Rarata, P Lytvyn, O Khyzhun, Chan Oeurn Chey, Omer Nur, Magnus Willander
ZnO nanorods (NRs) arrays doped with a large concentration of Mn synthesized by aqueous chemical growth and were characterized by SEM, photoluminescence, Raman scattering, magnetic force microscopy (MFM). By comparison of spectra taken on pure and Mn-doped ZnO NRs, a few new Raman impurity-related phonon modes, resulting from the presence of Mn in the investigated samples. We also present a vibrational and magnetic characterization of individual lying nanorods using Raman and MFM imaging. Confocal scanning micro-Raman mapping of the spatial distribution of intensity and frequency of phonon modes in single Mn-doped ZnO NRs nanorods is presented and analyzed for the first time...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28460889/safety-and-efficacy-of-olesoxime-in-patients-with-type-2-or-non-ambulatory-type-3-spinal-muscular-atrophy-a-randomised-double-blind-placebo-controlled-phase-2-trial
#9
Enrico Bertini, Eric Dessaud, Eugenio Mercuri, Francesco Muntoni, Janbernd Kirschner, Carol Reid, Anna Lusakowska, Giacomo P Comi, Jean-Marie Cuisset, Jean-Louis Abitbol, Bruno Scherrer, Patricia Sanwald Ducray, Jeppe Buchbjerg, Eduardo Vianna, W Ludo van der Pol, Carole Vuillerot, Thomas Blaettler, Paulo Fontoura
BACKGROUND: Spinal muscular atrophy (SMA) is a progressive motor neuron disease causing loss of motor function and reduced life expectancy, for which limited treatment is available. We investigated the safety and efficacy of olesoxime in patients with type 2 or non-ambulatory type 3 SMA. METHODS: This randomised, double-blind, placebo-controlled, phase 2 study was done in 22 neuromuscular care centres in Belgium, France, Germany, Italy, Netherlands, Poland, and the UK...
April 28, 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28445486/a-metamodel-for-mobile-forensics-investigation-domain
#10
Abdulalem Ali, Shukor Abd Razak, Siti Hajar Othman, Arafat Mohammed, Faisal Saeed
With the rapid development of technology, mobile phones have become an essential tool in terms of crime fighting and criminal investigation. However, many mobile forensics investigators face difficulties with the investigation process in their domain. These difficulties are due to the heavy reliance of the forensics field on knowledge which, although a valuable resource, is scattered and widely dispersed. The wide dispersion of mobile forensics knowledge not only makes investigation difficult for new investigators, resulting in substantial waste of time, but also leads to ambiguity in the concepts and terminologies of the mobile forensics domain...
2017: PloS One
https://www.readbyqxmd.com/read/28410283/postoperative-evaluation-of-bilateral-reading-performance-with-two-intraocular-lenses-twelve-month-results
#11
Semra Akkaya Turhan, Ebru Toker
PURPOSE: The aim of this study was to compare the bilateral reading performances within the first 12 months after the implantation of two intraocular lens (IOL) models. METHODS: The patients involved in this research had bilateral phacoemulsification and implantation of the Acriva Reviol MFM 613 IOL (group 1) or AcrySof ReSTOR SN6AD1 apodized multifocal IOL (group 2). The bilateral reading performance was evaluated preoperatively and postoperatively using the MNREAD acuity charts...
April 12, 2017: Eye & Contact Lens
https://www.readbyqxmd.com/read/28406501/culture-dependent-enumeration-methods-failed-to-simultaneously-detect-disinfectant-injured-and-genetically-modified-escherichia-coli-in-drinking-water
#12
Jing Li, Lu Liu, Dong Yang, Wei-Li Liu, Zhi-Qiang Shen, Hong-Mei Qu, Zhi-Gang Qiu, Ai-Ming Hou, Da-Ning Wang, Chen-Shi Ding, Jun-Wen Li, Jian-Hua Guo, Min Jin
Underestimation of Escherichia coli in drinking water, an indicator microorganism of sanitary risk, may result in potential risks of waterborne diseases. However, the detection of disinfectant-injured or genetically modified (GM) E. coli has been largely overlooked so far. To evaluate the accuracy of culture-dependent enumeration with regard to disinfectant-injured and GM E. coli, chlorine- or ozone-injured wild-type (WT) and GM E. coli were prepared and characterized. Then, water samples contaminated with these E...
May 24, 2017: Environmental Science. Processes & Impacts
https://www.readbyqxmd.com/read/28397832/relating-surface-roughness-and-magnetic-domain-structure-to-giant-magneto-impedance-of-co-rich-melt-extracted-microwires
#13
S D Jiang, T Eggers, O Thiabgoh, D W Xing, W D Fei, H X Shen, J S Liu, J R Zhang, W B Fang, J F Sun, H Srikanth, M H Phan
Understanding the relationship between the surface conditions and giant magneto-impedance (GMI) in Co-rich melt-extracted microwires is key to optimizing their magnetic responses for magnetic sensor applications. The surface magnetic domain structure (SMDS) parameters of ~45 μm diameter Co69.25Fe4.25Si13B13.5-xZrx (x = 0, 1, 2, 3) microwires, including the magnetic domain period (d) and surface roughness (Rq) as extracted from the magnetic force microscopy (MFM) images, have been correlated with GMI in the range 1-1000 MHz...
April 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28391037/switchable-bi-stable-multilayer-magnetic-probes-for-imaging-of-soft-magnetic-structures
#14
Tom Wren, Robb Puttock, Boris Gribkov, Sergey Vdovichev, Olga Kazakova
We present the use of custom-made multilayer (ML) magnetic probes in magnetic force microscopy (MFM) for imaging soft magnetic structures, i.e. nickel submicron disks of different dimensions. One of the main advantages of a custom-made ML probe is that it can be controllably switched between standard (parallel) and low moment (antiparallel) states. We demonstrate that the predicted vortex and stripe domain states in the disks are observed when using the ML probes both in the antiparallel and parallel states...
August 2017: Ultramicroscopy
https://www.readbyqxmd.com/read/28385290/post-prandial-systemic-8-isoprostane-increases-after-consumption-of-moderate-and-high-fat-meals-in-insufficiently-active-males
#15
S P Kurti, S R Emerson, S K Rosenkranz, C S Teeman, E M Emerson, B J Cull, J R Smith, C A Harms
A single high-fat meal (HFM) leads to an increase in triglycerides and oxidative stress. Oxidative stress can be assessed via 8-isoprostane generation, which is associated with the development of asthma and cardiovascular disease. No previous research has investigated whether airway and systemic 8-isoprostane increases postprandially in nonasthmatic participants according to the energy and fat content of a meal. Our purpose was to assess airway and systemic 8-isoprostane after a HFM and a true-to-life moderate-fat meal (MFM)...
March 2017: Nutrition Research
https://www.readbyqxmd.com/read/28384608/segmental-kinematic-analysis-of-planovalgus-feet-during-walking-in-children-with-cerebral-palsy
#16
Karen M Kruger, Katherine A Konop, Joseph J Krzak, Adam Graf, Haluk Altiok, Peter A Smith, Gerald F Harris
Pes planovalgus (flatfoot) is a common deformity among children with cerebral palsy. The Milwaukee Foot Model (MFM), a multi-segmental kinematic foot model, which uses radiography to align the underlying bony anatomy with reflective surface markers, was used to evaluate 20 pediatric participants (30feet) with planovalgus secondary to cerebral palsy prior to surgery. Three-dimensional kinematics of the tibia, hindfoot, forefoot, and hallux segments are reported and compared to an age-matched control set of typically-developing children...
March 23, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28370345/accuracy-of-birth-certificate-data-for-classifying-preterm-birth
#17
Molly J Stout, George A Macones, Methodius G Tuuli
BACKGROUND: Classifying preterm birth as spontaneous or indicated is critical both for clinical care and research, yet the accuracy of classification based on different data sources is unclear. We examined the accuracy of preterm birth classification as spontaneous or indicated based on birth certificate data. METHODS: This is a retrospective cohort study of 123 birth certificates from preterm births in Missouri. Correct classification of spontaneous or indicated preterm birth subtype was based on multi-provider (RN, MFM Fellow, MFM attending) consensus after full medical record review...
April 3, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28342521/endovascular-management-of-chronic-symptomatic-aortic-dissection-with-the-streamliner-multilayer-flow-modulator-twelve-month-outcomes-from-the-global-registry
#18
MULTICENTER STUDY
Sherif Sultan, Edel P Kavanagh, Florian Stefanov, Mohamed Sultan, Ala Elhelali, Victor Costache, Edward Diethrich, Niamh Hynes
OBJECTIVE: Reported are initial 12-month outcomes of patients with chronic symptomatic aortic dissection managed by the Streamliner Multilayer Flow Modulator (SMFM; Cardiatis, Isnes, Belgium). Primary end points were freedom from rupture- and aortic-related death, and reduction in false lumen index. Secondary end points were patency of great vessels and visceral branches, and freedom of stroke, paraplegia, and renal failure. METHODS: Out of 876 SMFM implanted globally, we have knowledge of 542...
April 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28301843/specialty-based-variation-in-applying-maternal-fetal-surgery-trial-evidence
#19
Ryan M Antiel, Alan W Flake, Mark P Johnson, Nahla Khalek, Natalie E Rintoul, John D Lantos, Farr A Curlin, Jon C Tilburt, Chris Feudtner
INTRODUCTION: The Management of Myelomeningocele Study (MOMS) compared prenatal with postnatal surgery for fetal myelomeningocele (MMC). We sought to understand how subspecialists interpreted the trial results and whether their practice has changed. MATERIALS AND METHODS: Cross-sectional, mailed survey of 1,200 randomly selected maternal-fetal medicine (MFM) physicians, neonatologists, and pediatric surgeons. RESULTS: Of 1,176 eligible physicians, 670 (57%) responded...
March 17, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28288343/cleaning-of-contaminated-mfm-probes-using-a-bopp-film-and-external-magnetic-field
#20
Chao Zhang, Jinyun Liu, Qingling Meng, Wenxiao Zhang, Ying Wang, Dayou Li, Zuobin Wang
When magnetic samples are tested with a magnetic force microscope (MFM), the probe tip can inevitably be contaminated and magnetic particles are often adhered to the tip surface. The probe with magnetic contamination will seriously affect the quality of morphological and magnetic imaging. In the work, a method for the cleaning of contaminated magnetic probe tips was developed by the use of a biaxially-oriented polypropylene (BOPP) film together with an external magnet field in an MFM system. In the experiments, an MFM system was used for manipulating the tip to push into the BOPP film with a depth of 50-100nm under a magnetic field and hold for 5s, and the relationships between loading forces and separating forces were studied...
February 24, 2017: Micron: the International Research and Review Journal for Microscopy
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