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https://www.readbyqxmd.com/read/28436861/uncorrelated-component-analysis-based-hashing
#1
Sungryull Sohn, Hyunwoo Kim, Junmo Kim
The approximate nearest neighbor (ANN) search problem is important in applications such as information retrieval. Several hashing-based search methods that provide effective solutions to the ANN search problem have been proposed. However, most of these focus on similarity preservation and coding error minimization, and pay little attention to optimizing the precision-recall curve or receiver operating characteristic curve. In this paper, we propose a novel projection-based hashing method that attempts to maximize precision and recall...
April 18, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28428448/unruptured-cerebral-aneurysms-in-elderly-patients
#2
Tomohito Hishikawa, Isao Date
The prevalence of unruptured cerebral aneurysms (UCAs) in elderly patients is increasing in our aging population. UCA management in elderly patients has some difficulties, such as reduced life expectancy, increased comorbidities and treatment risks, and poor prognosis in case of rupture. In this review article, we summarize the most recent findings on the natural history, therapeutic options and treatment results for UCAs exclusively in elderly patients, and describe possible medical treatments for patients with UCAs...
April 19, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/28405396/multimodal-communication-in-courting-fiddler-crabs-reveals-male-performance-capacities
#3
Sophie L Mowles, Michael Jennions, Patricia R Y Backwell
Courting males often perform different behavioural displays that demonstrate aspects of their quality. Male fiddler crabs, Uca sp., are well known for their repetitive claw-waving display during courtship. However, in some species, males produce an additional signal by rapidly stridulating their claw, creating a 'drumming' vibrational signal through the substrate as a female approaches, and even continue to drum once inside their burrow. Here, we show that the switch from waving to drumming might provide additional information to the female about the quality of a male, and the properties of his burrow (multiple message hypothesis)...
March 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28376483/long-non-coding-rnas-in-cardiac-remodeling
#4
Shutong Shen, Huimin Jiang, Yihua Bei, Junjie Xiao, Xinli Li
Cardiac remodeling occurs after stress to the heart, manifested as pathological processes, including hypertrophy and apoptosis of cardiomyocytes, dysfunction of vascular endothelial cells and vascular smooth muscle cells as well as differentiation and proliferation of fibroblasts, ultimately resulting in progression of cardiovascular diseases. Emerging evidence has revealed that long non-coding RNAs (lncRNAs) acted as powerful and dynamic modifiers of cardiac remodeling. LncRNAs including Chaer, Chast, Mhrt, CHRF, ROR, H19, and MIAT have been implicated in cardiac hypertrophy while NRF, H19, APF, CARL, UCA, Mhrt and several other lncRNAs (n379599, n379519, n384640, n380433 and n410105) in cardiomyocyte loss and extracellular matrix remodeling...
April 3, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28365722/ocappi-db-an-oligonucleotide-probe-database-for-pathogen-identification-through-hybridization-capture
#5
Cyrielle Gasc, Antony Constantin, Faouzi Jaziri, Pierre Peyret
The detection and identification of bacterial pathogens involved in acts of bio- and agroterrorism are essential to avoid pathogen dispersal in the environment and propagation within the population. Conventional molecular methods, such as PCR amplification, DNA microarrays or shotgun sequencing, are subject to various limitations when assessing environmental samples, which can lead to inaccurate findings. We developed a hybridization capture strategy that uses a set of oligonucleotide probes to target and enrich biomarkers of interest in environmental samples...
January 1, 2017: Database: the Journal of Biological Databases and Curation
https://www.readbyqxmd.com/read/28346377/impact-of-beamforming-on-the-path-connectivity-in-cognitive-radio-ad-hoc-networks
#6
Le The Dung, Tran Dinh Hieu, Seong-Gon Choi, Byung-Seo Kim, Beongku An
This paper investigates the impact of using directional antennas and beamforming schemes on the connectivity of cognitive radio ad hoc networks (CRAHNs). Specifically, considering that secondary users use two kinds of directional antennas, i.e., uniform linear array (ULA) and uniform circular array (UCA) antennas, and two different beamforming schemes, i.e., randomized beamforming and center-directed to communicate with each other, we study the connectivity of all combination pairs of directional antennas and beamforming schemes and compare their performances to those of omnidirectional antennas...
March 27, 2017: Sensors
https://www.readbyqxmd.com/read/28290353/image-interpretation-performance-a-longitudinal-study-from-novice-to-professional
#7
C Wright, P Reeves
PURPOSE: Universities need to deliver educational programmes that create radiography graduates who are ready and able to participate in abnormality detection schemes, ultimately delivering safe and reliable performance because junior doctors are exposed to the risk of misdiagnosis if unsupported by other healthcare professionals. Radiographers are ideally suited to this role having the responsibility for conducting the actual X-ray examination. METHOD: The image interpretation performance of one cohort of student radiographers was measured upon enrolment from UCAS in the first week of university education and then again prior to graduation using RadBench (n = 23)...
February 2017: Radiography
https://www.readbyqxmd.com/read/28282792/effects-of-kinesio-taping-and-exercise-on-forward-head-posture
#8
Hsu-Sheng Shih, Shu-Shi Chen, Su-Chun Cheng, Hsun-Wen Chang, Pei-Rong Wu, Jin-Shiou Yang, Yi-Shuang Lee, Jui-Yi Tsou
BACKGROUND: Little is known about the effects of Kinesio taping and therapeutic exercise on correcting forward head posture. OBJECTIVE: To compare Kinesio taping versus therapeutic exercise for forward head posture on static posture, dynamic mobility and functional outcomes. METHODS: Sixty subjects (31 women, 29 men) with forward head postures participated in this study. They were randomly assigned to either one of the three groups: (1) exercise group (n = 20), (2) taping group (n = 20), and (3) control groups (n = 20)...
March 3, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/28280560/territorial-battles-between-fiddler-crab-species
#9
H L Clark, P R Y Backwell
Many species worldwide are impacted by habitat loss. This may result in increased competition both within species and between species. Many studies have demonstrated that when two previously non-overlapping species are forced to compete over a resource, one species is likely to become dominant over the other. This study explores the impact a larger species of fiddler crab (Tabuca elegans-previously known as Uca elegans) has when invading an area previously used solely by a smaller species (Austruca mjoebergi-previously known as Uca mjoebergi)...
January 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/28277277/immunoregulation-of-dendritic-cell-subsets-by-inhibitory-receptors-in-urothelial-cancer
#10
Mathieu F Chevalier, Perrine Bohner, Claire Pieraerts, Benoit Lhermitte, Jolanta Gourmaud, Antoine Nobile, Samuel Rotman, Valerie Cesson, Virginie Martin, Anne-Sophie Legris, Florence Dartiguenave, Dalila Gharbi, Laurence De Leval, Daniel E Speiser, Denise Nardelli-Haefliger, Patrice Jichlinski, Laurent Derré
Blockade of inhibitory receptors (IRs) overexpressed by T cells can activate antitumor immune responses, resulting in the most promising therapeutic approaches, particularly in bladder cancer, currently able to extend patient survival. Thanks to their ability to cross-present antigens to T cells, dendritic cells (DCs) are an immune cell population that plays a central role in the generation of effective antitumor T-cell responses. While IR function and expression have been investigated in T cells, very few data are available for DCs...
June 2017: European Urology
https://www.readbyqxmd.com/read/28271274/split-bolus-ct-urogram-is-less-more
#11
Hiram Shaish, Jeffrey H Newhouse
PURPOSE: To determine the accuracy of split-bolus CT urogram (SB-CTU) without special maneuvers for ureteral distention in diagnosing upper urinary tract urothelial carcinoma (UCA). MATERIALS AND METHODS: A hospital database was searched from 1/1/10, to 9/1/15, for SB-CTU exams without special maneuvers for ureteral distention. Accuracy of SB-CTU for detecting upper and lower urinary tract UCA was computed by comparing the prospective radiology report with cystoscopy, ureteroscopy, and/or urologic clinical follow-up...
March 7, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28271159/inflow-hemodynamics-evaluated-by-using-four-dimensional-flow-magnetic-resonance-imaging-and-the-size-ratio-of-unruptured-cerebral-aneurysms
#12
Kazuya Futami, Iku Nambu, Tomohiro Kitabayashi, Hiroki Sano, Kouichi Misaki, Naoyuki Uchiyama, Mitsutoshi Nakada
PURPOSE: Prediction of the rupture risk is critical for the identification of unruptured cerebral aneurysms (UCAs) eligible for invasive treatments. The size ratio (SR) is a strong morphological predictor for rupture. We investigated the relationship between the inflow hemodynamics evaluated on four-dimensional (4D) flow magnetic resonance (MR) imaging and the SR to identify specific characteristics related to UCA rupture. METHODS: We evaluated the inflow jet patterns and inflow hemodynamic parameters of 70 UCAs on 4D flow MR imaging and compared them among 23 aneurysms with an SR ≧2...
March 7, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28266925/an-iterative-fullwave-simulation-approach-to-multiple-scattering-in-media-with-randomly-distributed-microbubbles
#13
Aditya Joshi, Brooks Lindsey, Paul Dayton, Gianmarco Pinton, Marie Muller
- Ultrasound contrast agents (UCA), such as microbubbles, enhance the scattering properties of blood, which is otherwise hypoechoic. The multiple scattering interactions of the acoustic field with UCA's are poorly understood due to the complexity of the multiple scattering theories and the nonlinear microbubble response. The majority of bubble models describe the behavior of UCA's as single, isolated microbubbles suspended in infinite medium. Multiple scattering models such as the Independent Scattering Approximation can approximate phase velocity and attenuation for low scatterer volume fraction...
March 7, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28198322/nursingstandard-com
#14
(no author information available yet)
1 The number of applicants from England making at least one choice for a nursing course fell by 10,000, data released by the Universities and Colleges Admissions Service revealed. The RCN said it 'consistently warned' the government that removing the bursary would result in fewer applications. Read more: rcni.com/ucas-figures.
February 15, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28184060/do-high-tuition-fees-make-a-difference-characteristics-of-applicants-to-uk-medical-and-dental-schools-before-and-after-the-introduction-of-high-tuition-fees-in-2012
#15
J E Gallagher, A Calvert, V Niven, L Cabot
Aim To compare trends in the volume, socio-demography and academic experience of UK applicants and entrants to medicine and dentistry in the UK with university in general, before and after the major increase in university fees in England in 2012.Methods Descriptive trend analyses of University and College Admissions Services (UCAS) data for focused (preferred subject was medicine or dentistry) and accepted applicants, 2010-14, compared with university in general in relation to socio-demography (age, sex, ethnicity, POLAR 2, region) and academic experience (school type)...
February 10, 2017: British Dental Journal
https://www.readbyqxmd.com/read/28182764/phylogenetic-patterns-and-the-adaptive-evolution-of-osmoregulation-in-fiddler-crabs-brachyura-uca
#16
Samuel Coelho Faria, Diogo Borges Provete, Carl Leo Thurman, John Campbell McNamara
Salinity is the primary driver of osmoregulatory evolution in decapods, and may have influenced their diversification into different osmotic niches. In semi-terrestrial crabs, hyper-osmoregulatory ability favors sojourns into burrows and dilute media, and provides a safeguard against hemolymph dilution; hypo-osmoregulatory ability underlies emersion capability and a life more removed from water sources. However, most comparative studies have neglected the roles of the phylogenetic and environmental components of inter-specific physiological variation, hindering evaluation of phylogenetic patterns and the adaptive nature of osmoregulatory evolution...
2017: PloS One
https://www.readbyqxmd.com/read/28113618/uniform-projection-for-multi-view-learning
#17
Zhenyue Zhang, Zheng Zhai, Limin Li
Multi-view learning aims to integrate multiple data information from different views to improve the learning performance. The key problem is to handle the unconformities or distortions among viewspecific samples or measurements of similarity or dissimilarity. This paper models the view-specific samples as a nonlinear mapping of uniform but latent intact samples for all the views, and the viewspecific dissimilarity matrices or similarity matrices are estimated in terms of the uniform latent one. Two methods are then developed for multi-view clustering...
August 19, 2016: IEEE Transactions on Pattern Analysis and Machine Intelligence
https://www.readbyqxmd.com/read/28113312/microbubble-composition-and-preparation-for-high-frequency-contrast-enhanced-ultrasound-imaging-in-vitro-and-in-vivo-evaluation
#18
Verya Daeichin, Tom van Rooij, Ilya Skachkov, Bulent Ergin, Patricia A C Specht, Alexandre Lima, Can Ince, Johan G Bosch, Antonius F W van der Steen, Nico de Jong, Klazina Kooiman
Although high-frequency ultrasound imaging is gaining attention in various applications, hardly any ultrasound contrast agents (UCAs) dedicated to such frequencies (>15 MHz) are available for contrast-enhanced ultrasound (CEUS) imaging. Moreover, the composition of the limited commercially available UCAs for high-frequency CEUS (hfCEUS) is largely unknown, while shell properties have been shown to be an important factor for their performance. The aim of our study was to produce UCAs in-house for hfCEUS. Twelve different UCA formulations A-L were made by either sonication or mechanical agitation...
March 2017: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/28056806/suppression-of-experimental-autoimmune-encephalomyelitis-by-ultraviolet-light-is-not-mediated-by-isomerization-of-urocanic-acid
#19
Amy A Irving, Steven J Marling, Lori A Plum, Hector F DeLuca
BACKGROUND: Ultraviolet B irradiation confers strong resistance against experimental autoimmune encephalomyelitis, a model of multiple sclerosis. This protection by ultraviolet B is independent of vitamin D production but causes isomerization of urocanic acid, a naturally occurring immunosuppressant. METHODS: To determine whether UCA isomerization from trans to cis is responsible for the protection against experimental autoimmune encephalomyelitis afforded by ultraviolet B, trans- or cis-urocanic acid was administered to animals and their disease progression was monitored...
January 5, 2017: BMC Neuroscience
https://www.readbyqxmd.com/read/28055026/anterior-uterocervical-angle-measurement-improves-prediction-of-cerclage-failure
#20
J C Knight, E Tenbrink, J Sheng, A S Patil
OBJECTIVE: To compare the anterior uterocervical angle and cervical length as predictors of spontaneous preterm delivery in patients with transvaginal cerclage. STUDY DESIGN: We retrospectively evaluated a cohort of 142 pregnant women with transvaginal cerclage placed over a 5-year period (2010 to 2015) were evaluated. Cervical morphology characteristics were measured from endovaginal imaging, including cervical length, cerclage height, funnel volume and anterior uterocervical angle prior to cerclage placement (UCA 1), shortly after cerclage placement (UCA 2) and the last image prior to delivery (UCA 3)...
January 5, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
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