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https://www.readbyqxmd.com/read/27911245/use-of-magnetic-resonance-imaging-to-detect-occult-spinal-dysraphism-in-infants
#1
Brent R O'Neill, Danielle Gallegos, Alex Herron, Claire Palmer, Nicholas V Stence, Todd C Hankinson, C Corbett Wilkinson, Michael H Handler
OBJECTIVE Cutaneous stigmata or congenital anomalies often prompt screening for occult spinal dysraphism (OSD) in asymptomatic infants. While a number of studies have examined the results of ultrasonography (US) screening, less is known about the findings when MRI is used as the primary imaging modality. The object of this study was to assess the results of MRI screening for OSD in infants. METHODS The authors undertook a retrospective review of all infants who had undergone MRI of the lumbar spine to screen for OSD over a 6-year period (September 2006-September 2012)...
December 2, 2016: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/27908322/-traumatic-bilateral-posterior-shoulder-dislocation-after-a-seizure
#2
Mazaher Azizpour, Peter Anton Suder, Rebekka Fonnesbæk
We report a rare case in which a 52-year-old man was found lying on the floor of a sauna. He was confused and complained of pain in both shoulders. He had previously had surgery of a benign meningioma. The initial X-ray examination of both shoulders showed bilateral posterior shoulder dislocation, but no fractures were detected. An attempt to reposition the shoulder dislocation was performed but with no success. Intraoperative examination on the next day detected bilateral fractures with partially destroyed joint head...
November 28, 2016: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/27907010/viral-metagenomic-analysis-displays-the-co-infection-situation-in-healthy-and-pmws-affected-pigs
#3
Anne-Lie Blomström, Caroline Fossum, Per Wallgren, Mikael Berg
The development of high-throughput sequencing technologies have allowed the possibility to investigate and characterise the entire microbiome of individuals, providing better insight to the complex interaction between different microorganisms. This will help to understand how the microbiome influence the susceptibility of secondary agents and development of disease. We have applied viral metagenomics to investigate the virome of lymph nodes from Swedish pigs suffering from the multifactorial disease postweaning multisystemic wasting syndrome (PMWS) as well as from healthy pigs...
2016: PloS One
https://www.readbyqxmd.com/read/27903263/estimating-the-accuracy-of-muscle-response-testing-two-randomised-order-blinded-studies
#4
Anne M Jensen, Richard J Stevens, Amanda J Burls
BACKGROUND: Manual muscle testing (MMT) is a non-invasive assessment tool used by a variety of health care providers to evaluate neuromusculoskeletal integrity, and muscular strength in particular. In one form of MMT called muscle response testing (MRT), muscles are said to be tested, not to evaluate muscular strength, but neural control. One established, but insufficiently validated, application of MRT is to assess a patient's response to semantic stimuli (e.g. spoken lies) during a therapy session...
November 30, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27883360/bigger-and-brighter-fluorenes-facile-%C3%AF-expansion-brilliant-emission-and-sensing-of-nitroaromatics
#5
Venkatakrishnan Parthasarathy, Ramakrishna Jagarapu
π-Expanded butterfly-like 2D fluorenes and 3D spirobifluorenes 1-5 were synthesized via DDQ-mediated oxidative cyclization strategy with a high regioselectivity. Through structural modification via π-expansion, it was possible to achieve near-visible absorption, bright-blue emission, very high close-to-unity fluorescence quantum yields in solution as well as in film states, and deep-lying HOMO energy levels with excellent thermal stabilities. Further, these electron-rich compounds revealed notable behaviour towards sensing of nitroaromatic explosives, such as, picric acid, up to a detection limit of 0...
November 24, 2016: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/27881879/scout-simultaneous-time-segmentation-and-community-detection-in-dynamic-networks
#6
Yuriy Hulovatyy, Tijana Milenković
Many evolving complex real-world systems can be modeled via dynamic networks. An important problem in dynamic network research is community detection, which finds groups of topologically related nodes. Typically, this problem is approached by assuming either that each time point has a distinct community organization or that all time points share a single community organization. The reality likely lies between these two extremes. To find the compromise, we consider community detection in the context of the problem of segment detection, which identifies contiguous time periods with consistent network structure...
November 24, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27875153/quantifying-the-visual-impact-of-classification-boundaries-in-choropleth-maps
#7
Yifan Zhang, Ross Maciejewski
One critical visual task when using choropleth maps is to identify spatial clusters in the data. If spatial units have the same color and are in the same neighborhood, this region can be visually identified as a spatial cluster. However, the choice of classification method used to create the choropleth map determines the visual output. The critical map elements in the classification scheme are those that lie near the classification boundary as those elements could potentially belong to different classes with a slight adjustment of the classification boundary...
January 2017: IEEE Transactions on Visualization and Computer Graphics
https://www.readbyqxmd.com/read/27871143/bringing-microbial-diversity-into-focus-high-resolution-analysis-of-iron-mats-from-the-l%C3%A5-ihi-seamount
#8
Jarrod J Scott, Brian T Glazer, David Emerson
Thirty kilometers south of the island of Hawai'i lies the Lō'ihi Seamount, an active submarine volcano that hosts a network of low-temperature hydrothermal vents enriched in ferrous iron that supports extensive microbial mats. These mats, which can be a half a meter deep, are composed of ferric iron bound to organic polymers-the metabolic byproduct of iron-oxidizing Zetaproteobacteria. Though the role of Zetaproteobacteria in mat formation is well established, we have a limited understanding of how differences in diversity are related to mat morphology...
November 21, 2016: Environmental Microbiology
https://www.readbyqxmd.com/read/27857366/laser-power-density-dependent-energy-transfer-between-tm-sup-3-sup-and-tb-sup-3-sup-tunable-upconversion-emissions-in-nayf-sub-4-sub-tm-sup-3-sup-tb-sup-3-sup-yb-sup-3-sup-microcrystals
#9
Xiaojie Xue, Makhin Thitsa, Tonglei Cheng, Weiqing Gao, Dinghuan Deng, Takenobu Suzuki, Yasutake Ohishi
Energy transfer between Tm<sup>3+</sup> and Tb<sup>3+</sup> dependent on the power density of pump laser was investigated in NaYF<sub>4</sub>: Tb<sup>3+</sup>,Tm<sup>3+</sup>,Yb<sup>3+</sup> microcrystals. Under the excitation of a 976-nm near-infrared laser at various power densities, Tb<sup>3+</sup>-Tm<sup>3+</sup>-Yb<sup>3+</sup> doped samples exhibited intense visible emissions with tunable color between green and blue...
November 14, 2016: Optics Express
https://www.readbyqxmd.com/read/27857279/application-of-picosecond-laser-induced-breakdown-spectroscopy-to-quantitative-analysis-of-boron-in-meatballs-and-other-biological-samples
#10
Rinda Hedwig, Kurnia Lahna, Zener Sukra Lie, Marincan Pardede, Koo Hendrik Kurniawan, May On Tjia, Kiichiro Kagawa
This report presents the results of laser-induced breakdown spectroscopy (LIBS) study on biological and food samples of high water content using a picosecond (ps) laser at low output energy of 10 mJ and low-pressure helium ambient gas at 2 kPa. Evidence of excellent emission spectra of various analyte elements with very low background is demonstrated for a variety of samples without the need of sample pretreatment. Specifically, limits of detection in the range of sub-ppm are obtained for hazardous Pb and B impurities in carrots and meatballs...
November 10, 2016: Applied Optics
https://www.readbyqxmd.com/read/27843180/point-of-care-hemoglobin-testing-in-plateletpheresis-donors-noninvasive-versus-invasive-methods
#11
R S Mallhi, Amit Pawar, Neerja Kushwaha, Sudeep Kumar, Ujjwal Dimri
BACKGROUND: Predonation hemoglobin (Hb) for plateletpheresis donors is estimated by presently available invasive methods. Venous samples of only those donors whose Hb is more than 12.5 g/dl are screened for complete blood count and transfusion transmissible infections. There is a pressing need to substitute this invasive Hb test with noninvasive one to reduce donor discomfort and avoid further pricking the donor. We therefore went ahead with the aim of comparing a noninvasive Hb estimation method NBM 200 with the invasive method - Hemocue, taking SYSMEX KX-21 as a gold standard...
October 2016: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/27834174/a-metagenomic-analysis-displays-the-diverse-microbial-community-of-a-vermicomposting-system-in-uganda
#12
Anne-Lie Blomström, Cecilia Lalander, Allan John Komakech, Björn Vinnerås, Sofia Boqvist
BACKGROUND: Vermicomposting is a mesophilic process using earthworms to efficiently and at low cost process large volumes of organic waste. It has been suggested to not only increase soil fertility but also increase biomass of beneficial bacteria while reducing harmful bacteria. The aim of this study was to set up a strategy to investigate and characterise the viral as well as the bacterial composition of a vermicomposting system. MATERIAL AND METHODS: The vermicomposting unit used in this study was placed at the Makerere University Agricultural Research Institute Kabanyolo on the outskirts of Kampala, Uganda, and was fed with 80% cattle manure and 20% food waste...
2016: Infection Ecology & Epidemiology
https://www.readbyqxmd.com/read/27827831/feature-mining-and-health-assessment-for-gearboxes-using-run-up-coast-down-signals
#13
Ming Zhao, Jing Lin, Yonghao Miao, Xiaoqiang Xu
Vibration signals measured in the run-up/coast-down (R/C) processes usually carry rich information about the health status of machinery. However, a major challenge in R/C signals analysis lies in how to exploit more diagnostic information, and how this information could be properly integrated to achieve a more reliable maintenance decision. Aiming at this problem, a framework of R/C signals analysis is presented for the health assessment of gearbox. In the proposed methodology, we first investigate the data preprocessing and feature selection issues for R/C signals...
November 2, 2016: Sensors
https://www.readbyqxmd.com/read/27825211/vibrationally-resolved-lifetimes-of-the-2-1-%C3%AE-u-state-of-na2
#14
Roy B Anunciado, Seth Ashman, Lutz Hüwel
Lifetimes of partially resolved ro-vibrational levels of the Na2 2(1)Σu(+) double well state have been measured for the first time. Ground state sodium dimer molecules in a molecular beam are resonantly excited by the doubled output of a 10 ns pulsed dye laser in the range 333-357 nm. After being allowed to decay for a predetermined time interval, the surviving excited molecules are ionized by 532 nm photons from a delayed Nd:YAG laser and detected in a linear time-of-flight mass spectrometer. By appropriate tuning of the excitation laser and systematic variation of the probe laser delay, lifetimes are obtained for vibrational levels in the range from 22 to 57...
November 7, 2016: Journal of Chemical Physics
https://www.readbyqxmd.com/read/27821231/-invasive-micropapillary-carcinoma-of-gallbladder-a-clinicopathologic-study
#15
J G Yao, M X Yin, C H Wang, Y Liu
Objective: To study the clinicopathologic features of invasive micropapillary carcinoma (IMPC) of the gallbladder. Methods: Among 160 resected cases of gallbladder adenocarcinomas, the clinical and histological features of gallbladder adenocarcinomas with invasive micropapillary components (IMPC≥5%) were studied. Results: The detection rate of IPMC among gallbladder adenocarcinomas was 19.4% (31/160). Among these 31 cases, the patients' age ranged from 42 to 84 years (mean 64.8 years). The male-to-female ratio was 1∶4...
November 8, 2016: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/27819134/fungal-spondylodiscitis-in-a-patient-recovered-from-h7n9-virus-infection-a-case-study-and-a-literature-review-of-the-differences-between-candida-and-aspergillus-spondylodiscitis
#16
Lie-Dao Yu, Zhi-Yun Feng, Xuan-Wei Wang, Zhi-Heng Ling, Xiang-Jin Lin
To report a rare case of fungal spondylodiscitis in a patient recovered from H7N9 virus infection and perform a literature review of the different characteristics of Candida and Aspergillus spondylodiscitis, we reviewed cases of spondylodiscitis caused by Candida and Aspergillus species. Data, including patients' information, pathogenic species, treatment strategy, outcomes, and relapses, were collected and summarized. The characteristics of Candida and Aspergillus spondylodiscitis were compared to see if any differences in clinical features, management, or consequences could be detected...
2016: Journal of Zhejiang University. Science. B
https://www.readbyqxmd.com/read/27817745/cell-free-circulating-epigenomic-signatures-non-invasive-biomarker-for-cardiovascular-and-other-age-related-chronic-diseases
#17
Arpit Bhargava, Naveen Kumar Khare, Neha Bunkar, Koel Chaudhury, Kailash Chand Pandey, Subodh Kumar Jain, Pradyumna Kumar Mishra
The burden of cardio-vascular and other age-related non-communicable diseases are rapidly increasing worldwide. Majority of these chronic ailments are curable, if diagnosed at early stages. Candidate biomarkers of early detection are therefore essential for identification of high-risk individuals, prompt and accurate disease diagnosis, and to monitor therapeutic response. The functional significance of circulating nucleic acids that recapitulate specific disease profiles is now well established. But subtle changes in DNA sequence may not solely reflect the differentiation of gene expression patterns observed in diverse set of diseases as epigenetic phenomena play a larger role in aetiology and patho-physiology...
October 27, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27811400/a-low-cost-method-for-hard-x-ray-grating-interferometry
#18
Yang Du, Yaohu Lei, Xin Liu, Jianheng Huang, Zhigang Zhao, Jinchuan Guo, Ji Li, Hanben Niu
Grating interferometry is advantageous over conventional x-ray absorption imaging because it enables the detection of samples constituted by low atomic number elements (low-Z materials). Therefore, it has a potential application in biological science and medical diagnostics. The grating interferometry has some critical optics components such as absorption gratings which are conventionally manufactured by the lithography, electroplating, and molding (LIGA) technique and employing gold as the absorbent material in it...
December 7, 2016: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/27804917/a-review-of-raman-spectroscopy-advances-with-an-emphasis-on-clinical-translation-challenges-in-oncology
#19
Michael Jermyn, Joannie Desroches, Kelly Aubertin, Karl St-Arnaud, Wendy-Julie Madore, Etienne De Montigny, Marie-Christine Guiot, Dominique Trudel, Brian C Wilson, Kevin Petrecca, Frederic Leblond
There is an urgent need for improved techniques for disease detection. Optical spectroscopy and imaging technologies have potential for non- or minimally-invasive use in a wide range of clinical applications. The focus here, in vivo Raman spectroscopy (RS), measures inelastic light scattering based on interaction with the vibrational and rotational modes of common molecular bonds in cells and tissue. The Raman 'signature' can be used to assess physiological status and can also be altered by disease. This information can supplement existing diagnostic (e...
November 2, 2016: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/27798254/neural-correlates-of-deception-lying-about-past-events-and-personal-beliefs
#20
Noa Ofen, Susan Whitfield Gabrieli, Xiaoqian J Chai, Rebecca F Schwarzlose, John D E Gabrieli
Although a growing body of literature suggests that cognitive control processes are involved in deception, much about the neural correlates of lying remains unknown. In this study, we tested whether brain activation associated with deception, as measured by functional magnetic resonance imaging (fMRI), can be detected either in preparation for or during the execution of a lie, and whether they depend on the content of the lie. We scanned participants while they lied or told the truth about either their personal experiences (episodic memories) or personal beliefs...
October 19, 2016: Social Cognitive and Affective Neuroscience
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