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https://www.readbyqxmd.com/read/29175250/smfm-special-report-putting-the-m-back-in-mfm-addressing-education-about-disparities-in-maternal-outcomes-and-care
#1
Leslie Moroz, Laura E Riley, Mary D'Alton, Haywood L Brown, Anne R Davis, Michael Foley, Cornelia R Graves, Jeanne S Sheffield, Matthew L Zerden, Allison S Bryant
No abstract text is available yet for this article.
November 23, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29139570/distribution-of-segmental-foot-kinematics-in-patients-with-degenerative-joint-disease-of-the-ankle
#2
Karl Canseco, Karen M Kruger, Jessica M Fritz, Katherine A Konop, Sergey Tarima, Richard M Marks, Gerald F Harris
Degenerative joint disease (DJD) of the ankle is a debilitating chronic disease associated with severe pain and dysfunction resulting in antalgic gait alteration. Little information is available about segmental foot and ankle motion distribution during gait in ankle osteoarthritis. The aim of the current study was to dynamically characterize segmental foot and ankle kinematics of patients with severe ankle arthrosis requiring total ankle replacement. This was a prospective study involving 36 (19 M, 17 F) adult patients with a clinical diagnosis of ankle arthrosis ("DJD" group) and 36 (23 M, 13 F) healthy subjects ("Control" group)...
November 15, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29131224/single-nanoparticles-magnetization-curves-by-controlled-tip-magnetization-magnetic-force-microscopy
#3
Livia Angeloni, Daniele Passeri, Stella Corsetti, Davide Peddis, Diego Mantovani, Marco Rossi
The development of high spatial resolution and element sensitive magnetic characterization techniques to quantitatively measure magnetic parameters of individual nanoparticles (NPs) and deeply understand and tune their magnetic properties is a hot topic in nanomagnetism. Magnetic force microscopy (MFM), thanks to its high lateral resolution, appears as a promising technique for the magnetic characterization of single nano-sized materials although it is still limited by some drawbacks, especially by the presence of electrostatic artifacts...
November 23, 2017: Nanoscale
https://www.readbyqxmd.com/read/29122714/diethanolamine-modified-pectin-based-core-shell-composites-as-dual-working-gastroretentive-drug-cargo
#4
Hriday Bera, Sanoj Kumar
The current study aimed at developing diethonolamine-modified high-methoxyl pectin (DMP)-alginate (ALG) based core-shell composites for controlled intragastric delivery of metformin HCl (MFM) by combined approach of floating and bioadhesion. DMP with degree of amidation of 48.72% was initially accomplished and characterized by FTIR, DSC and XRD analyses. MFM-loaded core matrices were then fabricated by ionotropic gelation technique employing zinc acetate as cross-linker. The core matrices were further coated by fenugreek gum (FG)-ALG gel membrane via diffusion-controlled interfacial complexation method...
November 6, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29029362/altered-tdp-43-dependent-splicing-in-hspb8-related-distal-hereditary-motor-neuropathy-and-myofibrillar-myopathy
#5
Andrea Cortese, Matilde Laurà, Carlo Casali, Ichizo Nishino, Yukiko K Hayashi, Stefania Magri, Franco Taroni, Cristiana Stuani, Paola Saveri, Maurizio Moggio, Michela Ripolone, A Prelle, C Pisciotta, A Sagnelli, Anna Pichiecchio, Mary M Reilly, Emanuele Buratti, Davide Pareyson
INTRODUCTION: Mutations in the small heat shock protein 22 gene (HSPB8) have been associated with Charcot-Marie-Tooth type 2L, distal hereditary motor neuropathy (dHMN) type IIa and, more recently, distal myopathy/myofibrillar myopathy (MFM) with protein aggregates and TDP-43 inclusions. OBJECTIVE: To report a novel family with HSPB8 (K141E) -related dHMN/MFM and to investigate, in a patient muscle biopsy, whether the presence of protein aggregates was paralleled by altered TDP-43 function...
October 13, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/29020767/confinement-of-iodine-molecules-into-triple-helical-chains-within-robust-metal-organic-frameworks
#6
Xinran Zhang, Ivan da Silva, Harry G W Godfrey, Samantha K Callear, Sergey A Sapchenko, Yongqiang Cheng, Inigo Vitórica-Yrezábal, Mark D Frogley, Gianfelice Cinque, Chiu C Tang, Carlotta Giacobbe, Catherine Dejoie, Svemir Rudić, Anibal J Ramirez-Cuesta, Melissa A Denecke, Sihai Yang, Martin Schröder
During nuclear waste disposal process, radioactive iodine as a fission product can be released. The widespread implementation of sustainable nuclear energy thus requires the development of efficient iodine stores that have simultaneously high capacity, stability and more importantly, storage density (and hence minimized system volume). Here, we report high I2 adsorption in a series of robust porous metal-organic materials, MFM-300(M) (M = Al, Sc, Fe, In). MFM-300(Sc) exhibits fully reversible I2 uptake of 1...
November 3, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28990163/corticosteroids-in-duchenne-muscular-dystrophy-impact-on-the-motor-function-measure-sensitivity-to-change-and-implications-for-clinical-trials
#7
Audrey Schreiber, Sylvain Brochard, Pascal Rippert, Stephanie Fontaine-Carbonnel, Christine Payan, Isabelle Poirot, Dalil Hamroun, Carole Vuillerot
AIM: To monitor the evolution of the motor function of ambulatory patients with Duchenne muscular dystrophy (DMD) treated by corticosteroids for 2 years in comparison with untreated patients. METHOD: This observational, multicentre cohort study explores the evolution of the motor function measure (MFM) over a 24-month period for 29 ambulant corticosteroids-treated and 45 ambulant untreated patients with DMD. RESULTS: Significant differences were found between mean MFM scores in corticosteroids-treated and untreated groups for domain 1 of the MFM (standing position and transfers; D1), domain 2 of the MFM (axial and proximal motor function; D2), and domain 3 of the MFM (distal motor function; D3)...
October 9, 2017: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/28976935/application-of-magnetic-force-microscopy-for-investigation-of-epitaxial-ferro-and-antiferromagnetic-structures
#8
Gennady M Mikhailov, Anatoliy V Chernykh, Lev A Fomin
Growing of epitaxial Fe50Mn50/Fe/Mo/R-sapphire films was performed with a new configuration of two in-plane easy axes of Fe(001)-layer magnetization in which application of annealing in a magnetic field forms an unidirectional anisotropy. The microstructures made from these films exhibited an exchange bias 25-35 G along an exchange field generated at antiferromagnet/ferromagnet (AFM/FM) interface. Magnetic force microscopy (MFM) experiments supported by micromagnetic calculations and magneto-resistive measurements allowed interpretation of the magnetic states of the Fe layer in these microstructures...
October 4, 2017: Materials
https://www.readbyqxmd.com/read/28966852/multifocus-structured-illumination-microscopy-for-fast-volumetric-super-resolution-imaging
#9
Sara Abrahamsson, Hans Blom, Ana Agostinho, Daniel C Jans, Aurelie Jost, Marcel Müller, Linnea Nilsson, Kristoffer Bernhem, Talley J Lambert, Rainer Heintzmann, Hjalmar Brismar
We here report for the first time the synergistic implementation of structured illumination microscopy (SIM) and multifocus microscopy (MFM). This imaging modality is designed to alleviate the problem of insufficient volumetric acquisition speed in super-resolution biological imaging. SIM is a wide-field super-resolution technique that allows imaging with visible light beyond the classical diffraction limit. Employing multifocus diffractive optics we obtain simultaneous wide-field 3D imaging capability in the SIM acquisition sequence, improving volumetric acquisition speed by an order of magnitude...
September 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28915917/translocation-of-molecular-chaperones-to-the-titin-springs-is-common-in-skeletal-myopathy-patients-and-affects-sarcomere-function
#10
Andreas Unger, Lisa Beckendorf, Pierre Böhme, Rudolf Kley, Marion von Frieling-Salewsky, Hanns Lochmüller, Rolf Schröder, Dieter O Fürst, Matthias Vorgerd, Wolfgang A Linke
Myopathies encompass a wide variety of acquired and hereditary disorders. The pathomechanisms include structural and functional changes affecting, e.g., myofiber metabolism and contractile properties. In this study, we observed increased passive tension (PT) of skinned myofibers from patients with myofibrillar myopathy (MFM) caused by FLNC mutations (MFM-filaminopathy) and limb-girdle muscular dystrophy type-2A due to CAPN3 mutations (LGMD2A), compared to healthy control myofibers. Because the giant protein titin determines myofiber PT, we measured its molecular size and the titin-to-myosin ratio, but found no differences between myopathies and controls...
September 15, 2017: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/28912534/multisegmented-nanowires-a-step-towards-the-control-of-the-domain-wall-configuration
#11
E Berganza, M Jaafar, C Bran, J A Fernández-Roldán, O Chubykalo-Fesenko, M Vázquez, A Asenjo
Cylindrical nanowires synthesized by controlled electrodeposition constitute excellent strategic candidates to engineer magnetic domain configurations. In this work, multisegmented CoNi/Ni nanowires are synthesized for tailoring a periodic magnetic structure determined by the balance between magnetocrystalline and magnetostatic energies. High-resolution Transmission Electron Microscopy confirms the segmented growth and the sharp transition between layers. Although both CoNi and Ni segments have similar fcc cubic crystal symmetry, their magnetic configuration is quite different as experimentally revealed by Magnetic Force Microscopy (MFM) imaging...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28888851/long-term-longitudinal-study-of-muscle-function-in-patients-with-glycogen-storage-disease-type-iiia
#12
Valérie Decostre, Pascal Laforêt, Marie De Antonio, Kahina Kachetel, Aurélie Canal, Gwenn Ollivier, Aleksandra Nadaj-Pakleza, François M Petit, Karim Wahbi, Abdallah Fayssoil, Bruno Eymard, Anthony Behin, Philippe Labrune, Jean-Yves Hogrel
Glycogen storage disease type III (GSDIII) is an autosomal recessive disorder caused by mutations in the AGL gene coding for the glycogen debranching enzyme. Current therapy is based on dietary adaptations but new preclinical therapies are emerging. The identification of outcome measures which are sensitive to disease progression becomes critical to assess the efficacy of new treatments in upcoming clinical trials. In order to prepare future longitudinal studies or therapeutic trials with large cohorts, information about disease progression is required...
August 30, 2017: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/28858637/compensation-of-the-magnetic-force-imaging-by-scanning-directions
#13
Jinyun Liu, Miao Yu, Yingmin Qu, Wenxiao Zhang, Yinxue Fan, Zhengxun Song, Renxi Qiu, Dayou Li, Zuobin Wang
It was found that the results of magnetic force microscope (MFM) imaging were different with the probe scanning directions. This paper studied the effect of scanning directions on the MFM imaging, and a method for the distortion compensation was proposed to reduce the errors. In the study, three different scanning directions with the angles of 0°, 45° and 90° were used to measure the magnetic domain structures distributions of magnetic sample. The experimental results have shown that the scanning direction parallel to the magnetic domain structure will cause a minimum phase shift difference and lead to a structure distortion...
August 26, 2017: Micron: the International Research and Review Journal for Microscopy
https://www.readbyqxmd.com/read/28841698/long-term-follow-up-of-mri-changes-in-thigh-muscles-of-patients-with-facioscapulohumeral-dystrophy-a-quantitative-study
#14
Farzad Fatehi, Emmanuelle Salort-Campana, Arnaud Le Troter, Emilie Lareau-Trudel, Mark Bydder, Alexandre Fouré, Maxime Guye, David Bendahan, Shahram Attarian
Facioscapulohumeral muscular dystrophy (FSHD) is one of the most common hereditary muscular disorders. Currently FSHD has no known effective treatment and detailed data on the natural history are lacking. Determination of the efficacy of a given therapeutic approach might be difficult in FSHD given the slow and highly variable disease progression. Magnetic resonance imaging (MRI) has been widely used to qualitatively and quantitatively evaluate in vivo the muscle alterations in various neuromuscular disorders...
2017: PloS One
https://www.readbyqxmd.com/read/28775275/calibration-of-multi-layered-probes-with-low-high-magnetic-moments
#15
Vishal Panchal, Héctor Corte-León, Boris Gribkov, Luis Alfredo Rodriguez, Etienne Snoeck, Alessandra Manzin, Enrico Simonetto, Silvia Vock, Volker Neu, Olga Kazakova
We present a comprehensive method for visualisation and quantification of the magnetic stray field of magnetic force microscopy (MFM) probes, applied to the particular case of custom-made multi-layered probes with controllable high/low magnetic moment states. The probes consist of two decoupled magnetic layers separated by a non-magnetic interlayer, which results in four stable magnetic states: ±ferromagnetic (FM) and ±antiferromagnetic (A-FM). Direct visualisation of the stray field surrounding the probe apex using electron holography convincingly demonstrates a striking difference in the spatial distribution and strength of the magnetic flux in FM and A-FM states...
August 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28772374/phase-equilibria-and-magnetic-phases-in-the-ce-fe-co-b-system
#16
Tian Wang, Dmytro Kevorkov, Mamoun Medraj
Ce-Fe-Co-B is a promising system for permanent magnets. A high-throughput screening method combining diffusion couples, key alloys, Scanning Electron Microscope/Wavelength Dispersive X-ray Spectroscope (SEM/WDS), and Magnetic Force Microscope (MFM) is used in this research to understand the phase equilibria and to explore promising magnetic phases in this system. Three magnetic phases were detected and their homogeneity ranges were determined at 900 °C, which were presented by the formulae: Ce₂Fe14-xCoxB (0 ≤ x ≤ 4...
December 28, 2016: Materials
https://www.readbyqxmd.com/read/28772068/porous-metal-organic-polyhedral-frameworks-with-optimal-molecular-dynamics-and-pore-geometry-for-methane-storage
#17
Yong Yan, Daniil I Kolokolov, Ivan da Silva, Alexander G Stepanov, Alexander J Blake, Anne Dailly, Pascal Manuel, Chiu C Tang, Sihai Yang, Martin Schröder
Natural gas (methane, CH4) is widely considered as a promising energy carrier for mobile applications. Maximizing the storage capacity is the primary goal for the design of future storage media. Here we report the CH4 storage properties in a family of isostructural (3,24)-connected porous materials, MFM-112a, MFM-115a, and MFM-132a, with different linker backbone functionalization. Both MFM-112a and MFM-115a show excellent CH4 uptakes of 236 and 256 cm(3) (STP) cm(-3) (v/v) at 80 bar and room temperature, respectively...
September 27, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28725270/inter-segmental-motions-of-the-foot-differences-between-younger-and-older-healthy-adult-females
#18
Dong Yeon Lee, Sang Gyo Seo, Eo Jin Kim, Doo Jae Lee, Kee Jeong Bae, Kyoung Min Lee, In Ho Choi
BACKGROUND: Although accumulative evidence exists that support the applicability of multi-segmental foot models (MFMs) in evaluating foot motion in various pathologic conditions, little is known of the effect of aging on inter-segmental foot motion. The objective of this study was to evaluate differences in inter-segmental motion of the foot between older and younger adult healthy females during gait using a MFM with 15-marker set. METHODS: One hundred symptom-free females, who had no radiographic evidence of osteoarthritis, were evaluated using MFM with 15-marker set...
2017: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/28706216/highly-efficient-multicolor-multifocus-microscopy-by-optimal-design-of-diffraction-binary-gratings
#19
Bassam Hajj, Laura Oudjedi, Jean-Bernard Fiche, Maxime Dahan, Marcelo Nollmann
Multifocus microscopy (MFM) allows sensitive and fast three-dimensional imaging. It relies on the efficient design of diffraction phase gratings yielding homogeneous intensities in desired diffraction orders. Such performances are however guaranteed only for a specific wavelength. Here, we discuss a novel approach for designing binary phase gratings with dual color properties and improved diffraction efficiency for MFM. We simulate binary diffraction gratings with tunable phase shifts to explore its best diffraction performances...
July 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28705036/pregnancy-outcomes-among-women-with-systemic-lupus-erythematosus-a-retrospective-cohort-study-from-thailand
#20
S Phansenee, R Sekararithi, P Jatavan, T Tongsong
Objective The objective of this paper is to compare adverse pregnancy outcomes between normal pregnancies and pregnancies with systemic lupus erythematosus (SLE), particularly focusing on uncomplicated SLE with remission. Methods A retrospective cohort study was conducted by accessing the Maternal-Fetal Medicine (MFM) Unit database and the full medical records of the women. The records of singleton pregnancies with SLE and no underlying disease were assigned as the study group and their medical records were reviewed...
January 1, 2017: Lupus
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