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https://www.readbyqxmd.com/read/29244532/risk-factors-and-predictors-of-significant-chondral-surface-change-from-primary-to-revision-anterior-cruciate-ligament-reconstruction-a-moon-and-mars-cohort-study
#1
Robert A Magnussen, James R Borchers, Angela D Pedroza, Laura J Huston, Amanda K Haas, Kurt P Spindler, Rick W Wright, Christopher C Kaeding, Christina R Allen, Allen F Anderson, Daniel E Cooper, Thomas M DeBerardino, Warren R Dunn, Brett A Lantz, Barton Mann, Michael J Stuart, John P Albright, Annunziato Amendola, Jack T Andrish, Christopher C Annunziata, Robert A Arciero, Bernard R Bach, Champ L Baker, Arthur R Bartolozzi, Keith M Baumgarten, Jeffery R Bechler, Jeffrey H Berg, Geoffrey A Bernas, Stephen F Brockmeier, Robert H Brophy, Charles A Bush-Joseph, J Brad Butler, John D Campbell, James L Carey, James E Carpenter, Brian J Cole, Jonathan M Cooper, Charles L Cox, R Alexander Creighton, Diane L Dahm, Tal S David, David C Flanigan, Robert W Frederick, Theodore J Ganley, Elizabeth A Garofoli, Charles J Gatt, Steven R Gecha, James Robert Giffin, Sharon L Hame, Jo A Hannafin, Christopher D Harner, Norman Lindsay Harris, Keith S Hechtman, Elliott B Hershman, Rudolf G Hoellrich, Timothy M Hosea, David C Johnson, Timothy S Johnson, Morgan H Jones, Ganesh V Kamath, Thomas E Klootwyk, Bruce A Levy, C Benjamin Ma, G Peter Maiers, Robert G Marx, Matthew J Matava, Gregory M Mathien, David R McAllister, Eric C McCarty, Robert G McCormack, Bruce S Miller, Carl W Nissen, Daniel F O'Neill, Brett D Owens, Richard D Parker, Mark L Purnell, Arun J Ramappa, Michael A Rauh, Arthur C Rettig, Jon K Sekiya, Kevin G Shea, Orrin H Sherman, James R Slauterbeck, Matthew V Smith, Jeffrey T Spang, Steven J Svoboda, Timothy N Taft, Joachim J Tenuta, Edwin M Tingstad, Armando F Vidal, Darius G Viskontas, Richard A White, James S Williams, Michelle L Wolcott, Brian R Wolf, James J York
BACKGROUND: Articular cartilage health is an important issue following anterior cruciate ligament (ACL) injury and primary ACL reconstruction. Factors present at the time of primary ACL reconstruction may influence the subsequent progression of articular cartilage damage. HYPOTHESIS: Larger meniscus resection at primary ACL reconstruction, increased patient age, and increased body mass index (BMI) are associated with increased odds of worsened articular cartilage damage at the time of revision ACL reconstruction...
December 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29244518/differential-wavevector-distribution-of-surface-enhanced-raman-scattering-and-fluorescence-in-a-film-coupled-plasmonic-nanowire-cavity
#2
Adarsh Vasista, Harshvardhan Jog, Tal Heilpern, Matthew E Sykes, Sunny Tiwari, Deepak Kumar Sharma, Shailendra Kumar Chaubey, Gary P Wiederrecht, Stephen K Gray, G V Pavan Kumar
We report on the experimental observation of differential wavevector distribution of surface enhanced Raman scattering (SERS) and fluorescence from dye molecules confined to a gap between plasmonic silver nanowire and a thin, gold mirror. The fluorescence was mainly confined to higher values of in-plane wavevectors, whereas SERS signal was uniformly distributed along all the wavevectors. The optical energy-momentum spectra from the distal end of the nanowire revealed strong polarisation dependence of this differentiation...
December 15, 2017: Nano Letters
https://www.readbyqxmd.com/read/29242382/correction-the-drug-ornidazole-inhibits-photosynthesis-in-a-different-mechanism-described-for-protozoa-and-anaerobic-bacteria
#3
Yehouda Marcus, Noam Tal, Mordechai Ronen, Raanan Carmieli, Michael Gurevitz
No abstract text is available yet for this article.
December 14, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/29238765/bacteriorhodopsin-based-non-magnetic-spin-filters-for-biomolecular-spintronics
#4
Vaibhav Varade, Tal Markus, Kiran Vankayala, Noga Friedman, Mordechai Sheves, David H Waldeck, Ron Naaman
We discuss spin injection and spin valves, which are based on organic and biomolecules, that offer the possibility to overcome some of the limitations of solid-state devices, which are based on ferromagnetic metal electrodes. In particular, we discuss spin filtering through bacteriorhodopsin in a solid state biomolecular spin valve that is based on the chirality induced spin selectivity (CISS) effect and shows a magnetoresistance of ∼2% at room temperature. The device is fabricated using a layer of bacteriorhodopsin (treated with n-octyl-thioglucoside detergent: OTG-bR) that is adsorbed on a cysteamine functionalized gold electrode and capped with a magnesium oxide layer as a tunneling barrier, upon which a Ni top electrode film is placed and used as a spin analyzer...
December 13, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29230715/chronic-lymphocytic-thyroiditis-clt-has-a-positive-prognostic-value-in-papillary-thyroid-cancer-ptc-patients-the-potential-key-role-of-foxp3-%C3%A2-t-lymphocytes
#5
T Pilli, P Toti, R Occhini, M G Castagna, S Cantara, M Caselli, S Cardinale, L Barbagli, F Pacini
BACKGROUND: An impact of chronic lymphocytic thyroiditis (CLT) on papillary thyroid cancer (PTC) outcome has long been advocated but it is still controversial. PURPOSE: The aim of this study was to evaluate the prognostic value of CLT in a retrospective cohort of PTC patients and to characterize the lymphocytic subpopulations and infiltrate (LI). MATERIALS AND METHODS: We assessed 375 PTC patients, aged 45.2 ± 16.4 years, and treated with thyroidectomy and radioiodine remnant ablation, with a mean follow-up of 6...
December 11, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/29227023/sex-linked-difference-in-blood-oxygen-saturation
#6
Sagi Levental, Elie Picard, Francis Mimouni, Leon Joseph, Tal Y Samuel, Reuben Bromiker, Dror Mandel, Nissim Arish, Shmuel Goldberg
BACKGROUND: It is not known whether SpO2 in healthy volunteers is affected by sex. OBJECTIVE: to evaluate whether there are differences in SpO2 between young healthy adult males and females and to evaluate whether the differences are already present at birth. METHODS: We studied 2 cohorts of patients. The first one consisted of young adult volunteers (105 males and 102 females). In these patients, SpO2 was measured as well as selected anthropometric variables (height, weight), vital signs (respiratory rate, pulse rate and body temperature), and obtained data on menstrual cycle phase of the female participants...
December 11, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/29226809/vitamin-d-supplementation-in-chronic-schizophrenia-patients-treated-with-clozapine-a-randomized-double-blind-placebo-controlled-clinical-trial
#7
Amir Krivoy, Roy Onn, Yael Vilner, Eldar Hochman, Shira Weizman, Amir Paz, Shmuel Hess, Roi Sagy, Shiri Kimhi-Nesher, Ehud Kalter, Tal Friedman, Zvi Friedman, Gil Bormant, Sharon Trommer, Avi Valevski, Abraham Weizman
BACKGROUND: While accumulating evidence suggests that vitamin D deficiency may be involved in the risk to develop schizophrenia and its outcome, there are no studies on vitamin D supplementation in this context. We sought to assess the effect of vitamin D supplementation on psychiatric, cognitive and metabolic parameters in chronic clozapine-treated schizophrenia patients. METHODS: This eight-week, randomized, double-blind, placebo-controlled clinical trial, recruited schizophrenia patients who had been maintained on clozapine treatment for at least 18weeks and had low levels of vitamin D (<75nmol/l) and total PANSS scores >70 (to ascertain the presence of residual symptoms)...
December 2, 2017: EBioMedicine
https://www.readbyqxmd.com/read/29224717/fronto-parietal-organization-for-response-times-in-inhibition-of-return-the-fortior-model
#8
REVIEW
Tal Seidel Malkinson, Paolo Bartolomeo
Inhibition of Return (IOR) refers to a slowing of response times (RTs) for visual stimuli repeated at the same spatial location, as compared to stimuli occurring at novel locations. The functional mechanisms and the neural bases of this phenomenon remain debated. Here we present FORTIOR, a model of the cortical control of visual IOR in the human brain. The model is based on known facts about the anatomical and functional organization of fronto-parietal attention networks, and accounts for a broad range of behavioral findings in healthy participants and brain-damaged patients...
November 21, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29222852/free-breathing-whole-heart-3d-cine-magnetic-resonance-imaging-with-prospective-respiratory-motion-compensation
#9
Mehdi H Moghari, Ashita Barthur, Maria E Amaral, Tal Geva, Andrew J Powell
PURPOSE: To develop and validate a new prospective respiratory motion compensation algorithm for free-breathing whole-heart 3D cine steady-state free precession (SSFP) imaging. METHODS: In a 3D cine SSFP sequence, 4 excitations per cardiac cycle are re-purposed to prospectively track heart position. Specifically, their 1D image is reconstructed and routed into the scanner's standard diaphragmatic navigator processing system. If all 4 signals are in end-expiration, cine image data from the entire cardiac cycle is accepted for image reconstruction...
December 8, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/29222254/chronic-neutropenia-in-lgl-leukemia-and-rheumatoid-arthritis
#10
REVIEW
Tal Gazitt, Thomas P Loughran
This section reviews the diagnostic criteria and pathogenesis of large granular lymphocyte (LGL) leukemia. There is a particular focus on the overlap of LGL leukemia and rheumatoid arthritis (Felty's syndrome). Current understanding of the mechanisms of neutropenia in these disorders is discussed. Finally, treatment indications and therapeutic recommendations are outlined.
December 8, 2017: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/29221242/practical-clinical-applications-of-3-d-printing-in-cardiovascular-surgery
#11
EDITORIAL
Tom Treasure, Tal Golesworthy, John Pepper
No abstract text is available yet for this article.
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29221045/spectral-shaping-of-lasing-in-vertically-aligned-coupled-nanowire-lasers
#12
Ran Ditcovski, Tal Ellenbogen
We use numerical simulations to study the effects of nanowire geometry on the emission spectra of nanowire-based lasers. The studied nanowire lasers are made from gallium-nitride and the simulations are performed using finite difference time domain method. We show that changes in the diameter of the nanowire lasers also change the effective refractive index of their optical guided modes, which allows control over their Fabry-Perot spectrum. In addition, we show that evanescent coupling of two vertically standing nanowire lasers, having different cross section sizes, leads to a Vernier effect, which results in single mode emission from the small footprint coupled lasers system...
November 27, 2017: Optics Express
https://www.readbyqxmd.com/read/29220325/direction-modulation-of-muscle-synergies-in-a-hand-reaching-task
#13
Sharon Israely, Gerry Leisman, Chay Machluf, Tal Shnitzer, Eli Carmeli
Functional tasks of the upper extremity can be executed by a variety of muscular patterns, independent of the direction, speed and load of the task. This large number of degrees of freedom imposes a significant control burden on the CNS. Previous studies suggested that the human cortex synchronizes a discrete number of neural functional units within the brainstem and spinal cord, i.e. muscle synergies, by linearly combining them to execute a great repertoire of movements. Further exploring this control mechanism, we aim to study whether a single set of muscle synergies might be generalized to express movements in different directions...
December 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/29215015/malaria-parasite-dna-harbouring-vesicles-activate-cytosolic-immune-sensors
#14
Xavier Sisquella, Yifat Ofir-Birin, Matthew A Pimentel, Lesley Cheng, Paula Abou Karam, Natália G Sampaio, Jocelyn Sietsma Penington, Dympna Connolly, Tal Giladi, Benjamin J Scicluna, Robyn A Sharples, Andreea Waltmann, Dror Avni, Eli Schwartz, Louis Schofield, Ziv Porat, Diana S Hansen, Anthony T Papenfuss, Emily M Eriksson, Motti Gerlic, Andrew F Hill, Andrew G Bowie, Neta Regev-Rudzki
STING is an innate immune cytosolic adaptor for DNA sensors that engage malaria parasite (Plasmodium falciparum) or other pathogen DNA. As P. falciparum infects red blood cells and not leukocytes, how parasite DNA reaches such host cytosolic DNA sensors in immune cells is unclear. Here we show that malaria parasites inside red blood cells can engage host cytosolic innate immune cell receptors from a distance by secreting extracellular vesicles (EV) containing parasitic small RNA and genomic DNA. Upon internalization of DNA-harboring EVs by human monocytes, P...
December 7, 2017: Nature Communications
https://www.readbyqxmd.com/read/29208418/left-atrial-volumes-and-strain-in-healthy-children-measured-by-three-dimensional-echocardiography-normal-values-and-maturational-changes
#15
Sunil J Ghelani, David W Brown, Joseph D Kuebler, Douglas Perrin, Divya Shakti, David N Williams, Gerald R Marx, Steven D Colan, Tal Geva, David M Harrild
BACKGROUND: Assessment of left atrial (LA) size and function is important in a number of pediatric cardiac conditions including those affecting the diastolic performance of the left ventricle. Measurements of LA volume and strain by two-dimensional echocardiography rely upon inaccurate geometric assumptions and are hampered by out-of-plane motion. The objective of this study was to characterize LA volumes and strain by three-dimensional echocardiography in healthy children. METHODS: LA volumes and strain were retrospectively measured by three-dimensional echocardiography in healthy children with no known structural or functional heart disease using a commercial speckle-tracking package applied to the LA to compute maximum volume (Vmax), minimum volume (Vmin), ejection volume (LAEV), ejection fraction (LAEF), and the following components of global strain: 3D principal (3DS), longitudinal (GLS), and circumferential (GCS)...
December 2, 2017: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/29206476/systemic-markers-of-adaptive-and-innate-immunity-are-associated-with-copd-severity-and-spirometric-disease-progression
#16
Eitan Halper-Stromberg, Jeong H Yun, Margaret M Parker, Ruth Tal Singer, Amit Gaggar, Edwin K Silverman, Sonia Leach, Russell P Bowler, Peter J Castaldi
The progression of chronic obstructive pulmonary disease (COPD) is associated with marked alterations in circulating immune cell populations, but no studies have characterized alterations in these cell types across the full spectrum of lung function impairment in current and former smokers. In 6,299 subjects from the COPDGene and ECLIPSE studies, we related Coulter blood counts and proportions to cross-sectional FEV1 adjusting for current smoking status. We also related cell count measures to three-year change in FEV1 in ECLIPSE subjects...
December 5, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/29205490/national-conservation-science-conferences-as-a-means-of-bridging-conservation-science-and-practice
#17
Uri Roll, Takuya Iwamura, Oded Berger-Tal
Scientific meetings are instrumental in driving most scientific fields forward, but are especially important for multidisciplinary fields such as conservation science where the different participants come from a highly diverse array of fields and organizations. This article is protected by copyright. All rights reserved.
December 5, 2017: Conservation Biology: the Journal of the Society for Conservation Biology
https://www.readbyqxmd.com/read/29205289/can-mesophotic-reefs-replenish-shallow-reefs-reduced-coral-reproductive-performance-casts-a-doubt
#18
Tom Shlesinger, Mila Grinblat, Hanna Rapuano, Tal Amit, Yossi Loya
Mesophotic coral ecosystems (i.e. deep coral reefs at 30-120 m depth) appear to be thriving while many shallow reefs in the world are declining. Amidst efforts to understand and manage their decline, it was suggested that mesophotic reefs might serve as natural refuges and a possible source of propagules for the shallow reefs. However, our knowledge of how reproductive performance of corals alters with depth is sparse. Here, we present a comprehensive study of the reproductive phenology, fecundity and abundance of seven reef-building conspecific corals in shallow and mesophotic habitats...
December 2, 2017: Ecology
https://www.readbyqxmd.com/read/29203382/thirteen-years-experience-of-893-pgd-cycles-for-monogenic-disorders-in-a-publicly-funded-nationally-regulated-regional-hospital-service
#19
Anne Girardet, Aliya Ishmukhametova, Victoria Viart, Stéphanie Plaza, Florielle Saguet, Garance Verriere, Samir Hamamah, Isabelle Coupier, Emmanuelle Haquet, Tal Anahory, Marjolaine Willems, Mireille Claustres
This study provides an overview of preimplantation genetic diagnosis (PGD) for single gene diseases and the management of expanding indications in the context of a fully financially covered service at Montpellier's regional hospital centre. Within the framework of a restrictive law ruling PGD in France, only the parental genetic risk can be studied in embryos (concurrent aneuploidy screening is not allowed). PCR-based techniques were developed combining mutation detection and closely linked short tandem repeat markers within or flanking the affected genes, and set up more than 100 different robust fluorescent multiplex assays for 61 monogenic disorders...
November 22, 2017: Reproductive Biomedicine Online
https://www.readbyqxmd.com/read/29198418/mri-measurements-of-the-normal-pediatric-optic-nerve-pathway
#20
Hillel S Maresky, Anna Ben Ely, Tatyana Bartischovsky, Judith Coret-Simon, Yair Morad, Simon Rozowsky, Miriam Klar, Saida Negieva, Inessa Bekerman, Sigal Tal
The purpose of this work is to establish a reference scale of optic nerve pathway measurements in pediatric patients according to age using MRI. Optic nerve pathway measurements were retrospectively analyzed using an orbits equivalent sequence on brain MRI scans of 137 pediatric patients (72 male, 65 female, average age = 7.7 years, standard deviation  = 5.3). The examinations were performed on a 1.5-T or 3-T Siemens MR system using routine imaging protocols. Measurements include diameters of the orbital optic nerves (OON), prechiasmatic optic nerves (PON), optic tracts (OT), and optic chiasm (OC)...
November 29, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
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