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https://www.readbyqxmd.com/read/29469861/five-step-phase-shifting-white-light-interferometry-for-the-measurement-of-fiber-optic-extrinsic-fabry-perot-interferometers
#1
Hongchun Gao, Yi Jiang, Liuchao Zhang, Lan Jiang
Five-step phase-shifting white-light interferometry is presented for interrogating the absolute cavity length of the fiber optic extrinsic Fabry-Perot interferometer (EFPI). It combines ideas of phase-shifting interferometry and white-light interferometry (WLI) to extend the measurement range of fiber optic WLI. Five sub-interferograms intercepted from the white-light optical spectrum are used to recover the optical path difference (OPD) of the EFPI. This method is demonstrated to interrogate a wider range of OPD...
February 10, 2018: Applied Optics
https://www.readbyqxmd.com/read/29462247/a-new-approach-for-interpreting-random-forest-models-and-its-application-to-the-biology-of-ageing
#2
Fabio Fabris, Aoife Doherty, Daniel Palmer, João Pedro de Magalhães, Alex A Freitas
Motivation: This work uses the Random Forest (RF) classification algorithm to predict if a gene is overexpressed, underexpressed or has no change in expression with age in the brain. RFs have high predictive power, and RF models can be interpreted using a feature (variable) importance measure. However, current feature importance measures evaluate a feature as a whole (all feature values). We show that, for a popular type of biological data (Gene Ontology-based), usually only one value of a feature is particularly important for classification and the interpretation of the RF model...
February 16, 2018: Bioinformatics
https://www.readbyqxmd.com/read/29460476/chloroquine-induced-cardiomyopathy-a-reversible-cause-of-heart-failure
#3
Haran Yogasundaram, Whitney Hung, Ian D Paterson, Consolato Sergi, Gavin Y Oudit
Chloroquine (CQ) and hydroxychloroquine (HCQ) are anti-rheumatic medications frequently used in the treatment of connective tissue disorders. We present the case of a 45-year-old woman with CQ-induced cardiomyopathy leading to severe heart failure. Electrocardiographic abnormalities included bifascicular block, while structural disease consisted of severe biventricular and biatrial hypertrophy. Appropriate diagnosis via endomyocardial biopsy led to cessation of CQ and subsequent dramatic improvement in symptoms and structural heart disease...
February 20, 2018: ESC Heart Failure
https://www.readbyqxmd.com/read/29459663/tuning-infrared-plasmon-resonance-of-black-phosphorene-nanoribbon-with-a-dielectric-interface
#4
Desalegn T Debu, Stephen J Bauman, David French, Hugh O H Churchill, Joseph B Herzog
We report on the tunable edge-plasmon-enhanced absorption of phosphorene nanoribbons supported on a dielectric substrate. Monolayer anisotropic black phosphorous (phosphorene) nanoribbons are explored for light trapping and absorption enhancement on different dielectric substrates. We show that these phosphorene ribbons support infrared surface plasmons with high spatial confinement. The peak position and bandwidth of the calculated phosphorene absorption spectra are tunable with low loss over a wide wavelength range via the surrounding dielectric environment of the periodic nanoribbons...
February 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29457264/comparison-of-left-atrial-size-and-function-in-hypertrophic-cardiomyopathy-and-in-fabry-disease-with-left-ventricular-hypertrophy
#5
María Cristina Saccheri, Tomás Francisco Cianciulli, Wilde Challapa Licidio, Jorge A Lax, Martín A Beck, Luis A Morita, Juan A Gagliardi
BACKGROUND: Fabry disease (FD) and hypertrophic cardiomyopathy (HCM) are two diseases with a different pathophysiology, both cause left ventricular hypertrophy (LVH) and myocardial fibrosis. Although remodeling and systolic dysfunction of the left atrium (LA) are associated with atrial fibrillation and stroke in HCM, changes in the size and function of the LA have not been well studied in FD with LVH. METHODS: The following groups were studied prospectively, and their respective findings compared: 19 patients with non-obstructive HCM (Group I), 20 patients with a diagnosis of Fabry cardiomyopathy (Group II), and 20 normal subjects matched for sex and age (Group III)...
February 19, 2018: Echocardiography
https://www.readbyqxmd.com/read/29455022/adaptive-pathway-development-for-fabry-disease-a-clinical-approach
#6
REVIEW
Yvonne Schuller, Maarten Arends, Simon Körver, Mirjam Langeveld, Carla E M Hollak
Fabry disease (FD) is a rare X-chromosome-linked lysosomal storage disorder. Although initial expectations of enzyme replacement therapy (ERT) were high, it is now clear that real-world effectiveness is disappointing and evidence gathering has been inadequate. In retrospect, development of ERT for FD had several shortcomings. Little convincing evidence on the effectiveness existed at time of authorization. Also, post-marketing evaluation failed to generate sufficient and relevant data for adequate evaluation on effectiveness...
February 15, 2018: Drug Discovery Today
https://www.readbyqxmd.com/read/29452394/treatment-of-hypertrophic-cardiomyopathy-caused-by-cardiospecific-variants-of-fabry-disease-with-chaperone-therapy
#7
Jonas Müntze, Tim Salinger, Daniel Gensler, Christoph Wanner, Peter Nordbeck
No abstract text is available yet for this article.
February 14, 2018: European Heart Journal
https://www.readbyqxmd.com/read/29447072/construction-and-structure-studies-of-dna-bipyridine-complexes-as-versatile-scaffolds-for-site-specific-incorporation-of-metal-ions-into-dna
#8
Rui Wang, Srivathsan V Ranganathan, Phensinee Haruehanroengra, Song Mao, Matteo Scalabrin, Daniele Fabris, Alan Chen, Hehua Liu, Abdalla E A Hassan, Jianhua Gan, Jia Sheng
The facile construction of metal-DNA complexes by using 'Click' reactions is reported here. A series of 2'-propargyl-modified DNA oligonucleotides were initially synthesized as structure scaffolds and were then modified through 'Click' reaction to incorporate a bipyridine ligand equipped with an azido group. These metal chelating ligands can be placed in the DNA context in site-specific fashion to provide versatile templates for binding various metal ions, which are exchangeable by using a simple EDTA washing-and-filtration step...
February 15, 2018: Journal of Biomolecular Structure & Dynamics
https://www.readbyqxmd.com/read/29446918/three-and-two-photon-nir-to-vis-yb-er-upconversion-from-ald-mld-fabricated-molecular-hybrid-thin-films
#9
Zivile Giedraityte, Minnea Tuomisto, Mika Lastusaari, Maarit Karppinen
We report blue, green and red upconversion emissions with strongly angular dependent intensities for new type of hybrid (Y,Yb,Er)-pyrazine thin films realized using the atomic/molecular layer deposition (ALD/MLD) thin-film fabri-cation technology. The luminescence emissions in our amorphous (Y,Yb,Er)-pyrazine thin films of a controllable na-nothickness originate from three- and two-photon NIR-to-vis excitation processes. In addition to shielding the lan-thanide ions from nonradiative de-excitation, the network of interconnected organic molecules serves as an excellent matrix for the Yb3+-to-Er3+ excitation energy transfer...
February 15, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29445196/on-the-origins-of-transport-inefficiencies-in-mesoscopic-networks
#10
Sébastien Toussaint, Frederico Martins, Sébastien Faniel, Marco G Pala, Ludovic Desplanque, Xavier Wallart, Hermann Sellier, Serge Huant, Vincent Bayot, Benoit Hackens
A counter-intuitive behavior analogous to the Braess paradox is encountered in a two-terminal mesoscopic network patterned in a two-dimensional electron system (2DES). Decreasing locally the electron density of one channel of the network paradoxically leads to an increased network electrical conductance. Our low temperature scanning gate microscopy experiments reveal different occurrences of such puzzling conductance variations, thanks to tip-induced localized modifications of electron flow throughout the network's channels in the ballistic and coherent regime of transport...
February 14, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29444977/microenvironmental-regulation-of-the-il-23r-il-23-axis-overrides-chronic-lymphocytic-leukemia-indolence
#11
Giovanna Cutrona, Claudio Tripodo, Serena Matis, Anna Grazia Recchia, Carlotta Massucco, Marina Fabbi, Monica Colombo, Laura Emionite, Sabina Sangaletti, Alessandro Gulino, Daniele Reverberi, Rosanna Massara, Simona Boccardo, Daniela de Totero, Sandra Salvi, Michele Cilli, Mariavaleria Pellicanò, Martina Manzoni, Sonia Fabris, Irma Airoldi, Francesca Valdora, Silvano Ferrini, Massimo Gentile, Ernesto Vigna, Sabrina Bossio, Laura De Stefano, Angela Palummo, Giovanni Iaquinta, Martina Cardillo, Simonetta Zupo, Giannamaria Cerruti, Adalberto Ibatici, Antonino Neri, Franco Fais, Manlio Ferrarini, Fortunato Morabito
Although the progression of chronic lymphocytic leukemia (CLL) requires the cooperation of the microenvironment, the exact cellular and molecular mechanisms involved are still unclear. We investigated the interleukin (IL)-23 receptor (IL-23R)/IL-23 axis and found that circulating cells from early-stage CLL patients with shorter time-to-treatment, but not of those with a more benign course, expressed a defective form of the IL-23R complex lacking the IL-12Rβ1 chain. However, cells from both patient groups expressed the complete IL-23R complex in tissue infiltrates and could be induced to express the IL-12Rβ1 chain when cocultured with activated T cells or CD40L + cells...
February 14, 2018: Science Translational Medicine
https://www.readbyqxmd.com/read/29437868/agalsidase-alfa-versus-agalsidase-beta-for-the-treatment-of-fabry-disease-an-international-cohort-study
#12
Maarten Arends, Marieke Biegstraaten, Christoph Wanner, Sandra Sirrs, Atul Mehta, Perry M Elliott, Daniel Oder, Oliver T Watkinson, Daniel G Bichet, Aneal Khan, Mark Iwanochko, Frédéric M Vaz, André B P van Kuilenburg, Michael L West, Derralynn A Hughes, Carla E M Hollak
BACKGROUND: Two recombinant enzymes (agalsidase alfa 0.2 mg/kg/every other week and agalsidase beta 1.0 mg/kg/every other week) have been registered for the treatment of Fabry disease (FD), at equal high costs. An independent international initiative compared clinical and biochemical outcomes of the two enzymes. METHODS: In this multicentre retrospective cohort study, clinical event rate, left ventricular mass index (LVMI), estimated glomerular filtration rate (eGFR), antibody formation and globotriaosylsphingosine (lysoGb3) levels were compared between patients with FD treated with agalsidase alfa and beta at their registered dose after correction for phenotype and sex...
February 7, 2018: Journal of Medical Genetics
https://www.readbyqxmd.com/read/29436546/detailed-correlations-between-sers-enhancement-and-plasmon-resonances-in-subwavelength-closely-spaced-au-nanorod-arrays
#13
Yu Huang, Xian Zhang, Emilie Ringe, Lingwei Ma, Xiang Zhai, Lingling Wang, Zhengjun Zhang
Depending on the experimental conditions and plasmonic systems, the correlations between near-field surface enhanced Raman scattering (SERS) behaviors and far-field localized surface plasmon resonance (LSPR) responses have sometimes been accepted directly or argued or explored. In this work, we focus on the attractive subwavelength closely spaced metallic nanorod arrays and investigate in detail the complex relationship between their SERS behaviors and plasmon resonances. This is achieved utilizing a combination of array fabrication, conventional LSPR spectra, SERS measurements, electron microscopy and numerical modeling...
February 13, 2018: Nanoscale
https://www.readbyqxmd.com/read/29427798/evidence-for-multiple-sylvatic-transmission-cycles-during-the-2016-2017-yellow-fever-virus-outbreak-brazil
#14
Andres Moreira-Soto, Maria Celeste Torres, Marcos Cesar Lima de Mendonça, Maria Angelica Mares-Guia, Cintia Damasceno Dos Santos Rodrigues, Allison Fabri, Carolina Cardoso Dos Santos, Eliane Saraiva Machado Araújo, Carlo Fischer, Rita Maria Ribeiro Nogueira, Christian Drosten, Patricia Carvalho Sequeira, Jan Felix Drexler, Ana Maria Bispo de Filippis
OBJECTIVE: Since December 2016, Brazil has experienced an unusually large outbreak of yellow fever (YF). Whether urban transmission may contribute to the extent of the outbreak is unclear. The objective of this study was to characterize yellow fever virus (YFV) genomes and to identify spatial patterns to determine the distribution and origin of YF cases in Minas Gerais, Espírito Santo and Rio de Janeiro, the most affected Brazilian states during the current YFV outbreak. METHODS: We characterized near-complete YFV genomes from 14 human cases and two non-human primates (NHP), sampled from February to April 2017, retrieved epidemiological data of cases and used a geographic information system to investigate geospatial spread of YFV...
February 7, 2018: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/29424637/hysterothylacium-fabri-nematoda-raphidascarididae-in-mullus-surmuletus-perciformes-mullidae-and-uranoscopus-scaber-perciformes-uranoscopidae-from-the-mediterranean
#15
Perla Tedesco, Andrea Gustinelli, Monica Caffara, Pierpaolo Patarnello, Antonio Terlizzi, Maria L Fioravanti
Raphidascarididae are among the most abundant and widespread parasitic nematodes in the marine environment. Knowledge about the life-cycle of most raphidascaridid species is still poorly known and information about their distribution and host range is lacking in many geographical areas, as well as the taxonomy of several species. A study of larval and adult stages of Hysterothylacium fabri (Rudolphi, 1819) Deardorff & Overstreet, 1980 (Nematoda: Raphidascarididae) infecting the striped goatfish Mullus surmuletus Linnaeus, 1758 (Mullidae) and the Mediterranean stargazer Uranoscopus scaber Linnaeus, 1759 (Uranoscopidae) from Ionian Sea (central Mediterranean) has been carried out by combining light and scanning electron microscopy observations and molecular analyses through PCR-RFLP and sequencing of the ITS rDNA gene...
February 9, 2018: Journal of Parasitology
https://www.readbyqxmd.com/read/29422631/electrically-tunable-perfect-light-absorbers-as-color-filters-and-modulators
#16
Seyed Sadreddin Mirshafieyan, Don A Gregory
Methods for spectrally controlling light absorption in optoelectronic devices have attracted considerable attention in recent years. It is now well known that a Fabry-Perot nanocavity comprising thin semiconductor and metal films can be used to absorb light at selected wavelengths. The absorption wavelength is controlled by tailoring the thickness of the nanocavity and also by nanostructure patterning. However, the realization of dynamically tuning the absorption wavelength without changing the structural geometry remains a great challenge in optoelectronic device development...
February 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29421273/characterization-of-drug-neutralizing-antibodies-in-patients-with-fabry-disease-during-infusion
#17
Malte Lenders, Boris Schmitz, Stefan Martin Brand, Dirk Foell, Eva Brand
In patients with Fabry disease, neutralizing anti-drug antibodies were identified as IgG4 isotypes. The determination of antibody titers during infusions indicated that high dosages of enzyme overcome anti-drug antibody titers, necessitating individually tailored dose adjustment.
February 5, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29421001/thrombus-aspiration-and-prehospital-ticagrelor-administration-in-st-elevation-myocardial-infarction-findings-from-the-atlantic-trial
#18
Sinem Kilic, Enrico Fabris, Arnoud W J Van't Hof, Christian W Hamm, Frédéric Lapostolle, Jens Flensted Lassen, Anne Tsatsaris, Abdourahmane Diallo, Eric Vicaut, Gilles Montalescot
BACKGROUND: The potential interactions between prehospital (pre-H) ticagrelor administration and thrombus aspiration (TA) in patients with ST-elevation myocardial infarction (STEMI) treated with primary percutaneous coronary intervention (PCI) have never been studied. Therefore, we evaluated the potential benefit of TA and pre-H ticagrelor treatment in patients enrolled in the ATLANTIC trial (NCT01347580). METHODS: This analysis included 1,630 patients who underwent primary PCI...
February 2018: American Heart Journal
https://www.readbyqxmd.com/read/29419745/optical-fiber-sensors-based-on-fiber-ring-laser-demodulation-technology
#19
REVIEW
Wen-Ge Xie, Ya-Nan Zhang, Peng-Zhao Wang, Jian-Zhang Wang
A review for optical fiber sensors based on fiber ring laser (FRL) demodulation technology is presented. The review focuses on the principles, main structures, and the sensing performances of different kinds of optical fiber sensors based on FRLs. First of all, the theory background of the sensors has been discussed. Secondly, four different types of sensors are described and compared, which includes Mach-Zehnder interferometer (MZI) typed sensors, Fabry-Perot interferometer (FPI) typed sensors, Sagnac typed sensors, and fiber Bragg grating (FBG) typed sensors...
February 8, 2018: Sensors
https://www.readbyqxmd.com/read/29415625/a-predominant-cardiac-phenotype-of-anderson-fabry-disease-in-presence-of-a-mybpc3-gene-mutation-and-a-lama4-gene-mutation
#20
Dorien Laenens, Pieter Koopman, Thijs Cools
No abstract text is available yet for this article.
February 7, 2018: Acta Cardiologica
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