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https://www.readbyqxmd.com/read/29243416/partial-correlation-based-functional-connectivity-analysis-for-functional-near-infrared-spectroscopy-signals
#1
Ata Akın
A theoretical framework, a partial correlation-based functional connectivity (PC-FC) analysis to functional near-infrared spectroscopy (fNIRS) data, is proposed. This is based on generating a common background signal from a high passed version of fNIRS data averaged over all channels as the regressor in computing the PC between pairs of channels. This approach has been employed to real data collected during a Stroop task. The results show a strong significance in the global efficiency (GE) metric computed by the PC-FC analysis for neutral, congruent, and incongruent stimuli (NS, CS, IcS; GEN=0...
December 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/29241361/clinical-and-radiological-outcomes-comparing-percutaneous-chevron-akin-osteotomies-vs-open-scarf-akin-osteotomies-for-hallux-valgus
#2
Mun Chun Lai, Inderjeet Singh Rikhraj, Yew Lok Woo, William Yeo, Yung Chuan Sean Ng, Kevin Koo
BACKGROUND: Minimally invasive surgeries have gained popularity due to less soft tissue trauma and better wound healing. To date, limited studies have compared the outcomes of percutaneous and open osteotomies. This study aims to investigate the clinical and radiological outcomes of percutaneous chevron-Akin osteotomies vs open scarf-Akin osteotomies at 24-month follow-up. METHOD: We reviewed a prospectively collected database in a tertiary hospital hallux valgus registry...
December 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/29239707/immigration-psychic-dislocation-and-the-re-creation-of-community
#3
Ricardo C Ainslie
Communities are "psychic entities" that serve powerful psychological functions for the individuals living within them. They also serve multiple functions, including as a potential space where individuals are "held" and within which individuals "play" in ways akin to Winnicott's formulations regarding how infants "use" the me-not-me zone of experiencing, the potential space created by the gap between symbiotic engagement and the maternal object, in a zone between desire for fusion and fear of disintegrating abandonment...
December 2017: Psychoanalytic Review
https://www.readbyqxmd.com/read/29238364/age-related-differences-and-outcome-of-patients-with-takotsubo-syndrome
#4
Aydin Huseynov, Ibrahim El-Battrawy, Uzair Ansari, Katja Schramm, Xiaobo Zhou, Siegfried Lang, Martin Borggrefe, Ibrahim Akin
Background: Takotsubo syndrome (TS) is an important cardiac disease that affects predominantly postmenopausal women. This study was conducted to determine the impact of age on the short- and long-term outcome of TS patients. Methods & Results: The data from a collective of 114 TS patients with a mean follow-up of 1591 ± 1079 days was retrospectively analysed. The study population was divided into two groups (≤ 65 and > 65 years) so as to evaluate the impact of age on the short- and long-term mortality of TS patients...
October 2017: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/29236742/route-of-infection-alters-virulence-of-neonatal-septicemia-escherichia-coli-clinical-isolates
#5
Bryan K Cole, Edgar Scott, Marko Ilikj, David Bard, Darrin R Akins, David W Dyer, Susana Chavez-Bueno
Escherichia coli is the leading cause of Gram-negative neonatal septicemia in the United States. Invasion and passage across the neonatal gut after ingestion of maternal E. coli strains produce bacteremia. In this study, we compared the virulence properties of the neonatal E. coli bacteremia clinical isolate SCB34 with the archetypal neonatal E. coli meningitis strain RS218. Whole-genome sequencing data was used to compare the protein coding sequences among these clinical isolates and 33 other representative E...
2017: PloS One
https://www.readbyqxmd.com/read/29235503/inactivation-of-the-dnak-gene-in-clostridium-difficile-630-%C3%AE-erm-yields-a-temperature-sensitive-phenotype-and-increases-biofilm-forming-ability
#6
Shailesh Jain, Deborah Smyth, Barry M G O'Hagan, John T Heap, Geoff McMullan, Nigel P Minton, Nigel G Ternan
Clostridium difficile infection is a growing problem in healthcare settings worldwide and results in a considerable socioeconomic impact. New hypervirulent strains and acquisition of antibiotic resistance exacerbates pathogenesis; however, the survival strategy of C. difficile in the challenging gut environment still remains incompletely understood. We previously reported that clinically relevant heat-stress (37-41 °C) resulted in a classical heat-stress response with up-regulation of cellular chaperones...
December 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29234223/retinal-nerve-fiber-layer-thickness-in-children-with-%C3%AE-thalassemia-major
#7
Feyzahan Uzun, Emine Esra Karaca, Gönül Yıldız Yerlikaya, Hüseyin Fındık, Mehmet Akın
Purpose: To measure the retinal nerve fiber layer thickness (RNFLT) in children with β-thalassemia major and to compare with healthy controls. Methods: A total of 47 patients with β-thalassemia major and 51 healthy controls were included. Each subject underwent a standard ophthalmological examination. RNFLT measurements were performed using optical coherence tomography. Results: Mean age of the patient group and healthy controls were 13...
October 2017: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
https://www.readbyqxmd.com/read/29230913/a-novel-approach-to-single-cell-rna-seq-analysis-facilitates-in-silico-gene-reporting-of-human-pluripotent-stem-cell-derived-retinal-cell-types
#8
M Joseph Phillips, Peng Jiang, Sara Howden, Patrick Barney, Jee Min, Nathaniel W York, Li-Fang Chu, Elizabeth E Capowski, Abigail Cash, Shivani Jain, Katherine Barlow, Tasnia Tabassum, Ron Stewart, Bikash R Pattnaik, James A Thomson, David M Gamm
Cell type-specific investigations commonly employ gene reporters or single-cell (sc) analytical techniques. However, reporter line development is arduous and generally limited to a single gene of interest, while scRNA-seq frequently yields equivocal results that preclude definitive cell identification. To examine gene expression profiles of multiple retinal cell types derived from human pluripotent stem cells (hPSCs), we performed scRNA-seq on optic vesicle-like structures (OVs) cultured under cGMP-compatible conditions...
December 12, 2017: Stem Cells
https://www.readbyqxmd.com/read/29228942/multiple-breath-washout-testing-in-adults-with-pulmonary-disease-and-healthy-controls-can-fewer-measurements-eventually-be-more
#9
Frederik Trinkmann, Johannes Götzmann, Daniel Saur, Michele Schroeter, Katharina Roth, Ksenija Stach, Martin Borggrefe, Joachim Saur, Ibrahim Akin, Julia D Michels
BACKGROUND: Multiple breath washout (MBW) became a valuable research tool assessing ventilation heterogeneity. However, routine clinical application still faces several challenges. Deriving MBW parameters from three technically acceptable measurements according to current recommendations prolongs test times. We therefore aimed to evaluate reporting only duplicate measurements in healthy adults and pulmonary disease. METHODS: One hundred and fifty-three subjects prospectively underwent conventional lung function testing and closed-circuit SF6-MBW...
December 11, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29227036/bottom-up-nanoencapsulation-from-single-cells-to-tunable-and-scalable-cellular-spheroids-for-hair-follicle-regeneration
#10
Jin Wang, Yong Miao, Yong Huang, Bojie Lin, Xiaomin Liu, Shune Xiao, Lijuan Du, Zhiqi Hu, Malcolm Xing
Cell surface engineering technology advances cell therapeutics and tissue engineering by accurate micro/nanoscale control in cell-biomaterial ensembles and cell spheroids formation. By tailoring cell surface, microgels can encapsulate cells for versatile uses. However, microgels are coated in a thick layer to house multiple cells together but not a single cell based. Besides, excessive deposition on cell surface is detrimental to cellular functions. Herein, layer-by-layer (LbL) self-assembly to encapsulate single cell using nanogel is reported, owing to its security and tunable thickness at nanoscale, and further forms cell spheroids by physical cross-linking on nanogel-coated cells for delivery...
December 11, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/29226785/facial-first-impressions-across-culture-data-driven-modeling-of-chinese-and-british-perceivers-unconstrained-facial-impressions
#11
Clare A M Sutherland, Xizi Liu, Lingshan Zhang, Yingtung Chu, Julian A Oldmeadow, Andrew W Young
People form first impressions from facial appearance rapidly, and these impressions can have considerable social and economic consequences. Three dimensions can explain Western perceivers' impressions of Caucasian faces: approachability, youthful-attractiveness, and dominance. Impressions along these dimensions are theorized to be based on adaptive cues to threat detection or sexual selection, making it likely that they are universal. We tested whether the same dimensions of facial impressions emerge across culture by building data-driven models of first impressions of Asian and Caucasian faces derived from Chinese and British perceivers' unconstrained judgments...
December 1, 2017: Personality & Social Psychology Bulletin
https://www.readbyqxmd.com/read/29226648/fibulin-levels-in-autosomal-dominant-polycystic-kidney-disease-and-its-relationship-to-arterial-stiffness
#12
A Inci, O Akin, H Y Ellidag, E Eren, S Dolu, F Sari
BACKGROUND: The objective of the present study was to evaluate fibulin 1 levels in different stages of patients with autosomal dominant polycystic kidney disease (ADPKD) and investigate possible connections between fibulin-1 and arterial stiffness. METHODS: For this cross-sectional study, we included 74 patients with ADPKD (mean age, 50.92 ± 15.70 years) and 32 healthy controls (mean age, 49.53 ± 7.32 years). Patients with ADPKD were classified based on CKD epidemiology collaboration (CKD-EPI) equation assessments of estimated glomerular filtration rate (eGFR)...
November 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/29226459/a-lithography-free-and-field-programmable-photonic-metacanvas
#13
Kaichen Dong, Sukjoon Hong, Yang Deng, He Ma, Jiachen Li, Xi Wang, Junyeob Yeo, Letian Wang, Shuai Lou, Kyle B Tom, Kai Liu, Zheng You, Yang Wei, Costas P Grigoropoulos, Jie Yao, Junqiao Wu
The unique correspondence between mathematical operators and photonic elements in wave optics enables quantitative analysis of light manipulation with individual optical devices. Phase-transition materials are able to provide real-time reconfigurability of these devices, which would create new optical functionalities via (re)compilation of photonic operators, as those achieved in other fields such as field-programmable gate arrays (FPGA). Here, by exploiting the hysteretic phase transition of vanadium dioxide, an all-solid, rewritable metacanvas on which nearly arbitrary photonic devices can be rapidly and repeatedly written and erased is presented...
December 11, 2017: Advanced Materials
https://www.readbyqxmd.com/read/29225029/vagus-motor-neuron-topographic-map-determined-by-parallel-mechanisms-of-hox5-expression-and-time-of-axon-initiation
#14
Gabrielle R Barsh, Adam J Isabella, Cecilia B Moens
Many networks throughout the nervous system are organized into topographic maps, where the positions of neuron cell bodies in the projecting field correspond with the positions of their axons in the target field. Previous studies of topographic map development show evidence for spatial patterning mechanisms, in which molecular determinants expressed across the projecting and target fields are matched directly in a point-to-point mapping process. Here, we describe a novel temporal mechanism of topographic map formation that depends on spatially regulated differences in the timing of axon outgrowth and functions in parallel with spatial point-to-point mapping mechanisms...
December 1, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/29224869/effects-of-straw-processing-and-pen-overstocking-on-the-growth-performance-and-sorting-characteristics-of-diets-offered-to-replacement-holstein-dairy-heifers
#15
W K Coblentz, M S Akins, N M Esser, R K Ogden, S L Gelsinger
Our objectives were to evaluate the effects of pen-stocking density and straw processing on the growth performance, feed-bunk sorting behaviors, and hygiene of Holstein dairy heifers. Two corn silage-alfalfa haylage diets diluted with wheat straw were offered; diet composition was identical, except that one diet contained short (well-processed) straw (SS; 46.0% neutral detergent fiber, 12.9% crude protein, 60.7% total digestible nutrients, TDN), and the other long (poorly processed) straw (LS; 46.5% neutral detergent fiber, 12...
December 7, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/29223489/platelet-mass-index-can-be-a-reliable-marker-in-predicting-the-prognosis-of-retinopathy-of-prematurity-in-very-preterm-infants
#16
Levent Korkmaz, Osman Baştuğ, Ahmet Özdemir, Sabriye Korkut, Çağatay Karaca, Mustafa Ali Akın, Mehmet Adnan Öztürk
BACKGROUND: Retinopathy of prematurity (ROP) is a proliferative vitreoretinopathy resulting from vascular defect of the retina. The present study evaluates platelets, which are involved in VEGF storage, transport and release, and their functions with regard to the prognosis of the disease. The objective was to suggest a simple minimal invasive method that will facilitate the management of the disease and help clinicians in predicting the prognosis. METHODS: In this single center, retrospective, case-control study, we included a control group consisting of very preterm newborns (n = 83) at risk of ROP and a laser photocoagulation group including infants (n = 63) who received laser therapy during their follow-up examinations...
November 13, 2017: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/29221418/optimizing-the-formation-of-colloidal-compounds-with-components-of-different-shapes
#17
Fernando A Escobedo
By introducing favorable inter-species interactions, stoichiometric compound phases (C*), akin to intermetallic alloys, can be formed by binary mixtures of nanoparticle components of different shapes. The stability of such C* phases is expected to be affected by asymmetries in both the energetics of like vs. unlike species contacts, and the packing entropy of components, as captured by their shapes and relative sizes. Using Monte Carlo simulations, we explore the effect of changes in size ratio (for fixed contact energy) and in binding energy (for fixed size ratio) in the stability of the CsCl compound phase for equimolar mixtures of octahedra and spheres and of the NaCl compound for equimolar mixtures of cubes and spheres...
December 7, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/29218842/corrigendum-highly-active-n-o-zinc-guanidine-catalysts-for-the-ring-opening-polymerization-of-lactide
#18
Pascal M Schäfer, Martin Fuchs, Andreas Ohligschläger, Ruth Rittinghaus, Paul McKeown, Enver Akin, Maximilian Schmidt, Alexander Hoffmann, Marcel A Liauw, Matthew D Jones, Sonja Herres-Pawlis
No abstract text is available yet for this article.
December 8, 2017: ChemSusChem
https://www.readbyqxmd.com/read/29217570/a-precise-measurement-of-the-magnetic-field-in-the-corona-of-the-black-hole-binary-v404-cygni
#19
Yigit Dallilar, Stephen S Eikenberry, Alan Garner, Richard D Stelter, Amy Gottlieb, Poshak Gandhi, Piergiorgio Casella, Vik S Dhillon, Tom R Marsh, Stuart P Littlefair, Liam Hardy, Rob Fender, Kunal Mooley, Dominic J Walton, Felix Fuerst, Matteo Bachetti, A J Castro-Tirado, Miguel Charcos, Michelle L Edwards, Nestor M Lasso-Cabrera, Antonio Marin-Franch, S Nicholas Raines, Kendall Ackley, John G Bennett, A Javier Cenarro, Brian Chinn, H Veronica Donoso, Raymond Frommeyer, Kevin Hanna, Michael D Herlevich, Jeff Julian, Paola Miller, Scott Mullin, Charles H Murphey, Chris Packham, Frank Varosi, Claudia Vega, Craig Warner, A N Ramaprakash, Mahesh Burse, Sujit Punnadi, Pravin Chordia, Andreas Gerarts, Héctor de Paz Martín, María Martín Calero, Riccardo Scarpa, Sergio Fernandez Acosta, William Miguel Hernández Sánchez, Benjamin Siegel, Francisco Francisco Pérez, Himar D Viera Martín, José A Rodríguez Losada, Agustín Nuñez, Álvaro Tejero, Carlos E Martín González, César Cabrera Rodríguez, Jordi Molgó, J Esteban Rodriguez, J Israel Fernández Cáceres, Luis A Rodríguez García, Manuel Huertas Lopez, Raul Dominguez, Tim Gaggstatter, Antonio Cabrera Lavers, Stefan Geier, Peter Pessev, Ata Sarajedini
Observations of binary stars containing an accreting black hole or neutron star often show x-ray emission extending to high energies (>10 kilo--electron volts), which is ascribed to an accretion disk corona of energetic particles akin to those seen in the solar corona. Despite their ubiquity, the physical conditions in accretion disk coronae remain poorly constrained. Using simultaneous infrared, optical, x-ray, and radio observations of the Galactic black hole system V404 Cygni, showing a rapid synchrotron cooling event in its 2015 outburst, we present a precise 461 ± 12 gauss magnetic field measurement in the corona...
December 8, 2017: Science
https://www.readbyqxmd.com/read/29216427/a-novel-micro-emulsion-phase-transition-towards-the-elucidation-of-third-phase-formation-in-spent-nuclear-fuel-reprocessing
#20
Junju Mu, Ryuhei Motokawa, Kazuhiro Akutsu, Shotaro Nishitsuji, Andrew J Masters
We present evidence that the organic/third phase transition, as may be observed in the Plutonium Uranium Reduction EXtraction process (PUREX) at high metal loading, is an unusual transition between two isotropic, bi-continuous micro-emulsion phases. As this system contains so many components, however, we seek first to investigate the properties of a simpler system, viz. the related metal-free, quaternary system of water/n-dodecane/nitric acid/tri-butyl phosphate (TBP). Under appropriate conditions, this system exhibits three coexisting phases, namely the light organic phase, the third phase and the aqueous phase...
December 7, 2017: Journal of Physical Chemistry. B
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