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https://www.readbyqxmd.com/read/28241614/proposal-and-experimental-demonstration-of-sdm-node-enabling-path-assignment-to-arbitrary-wavelengths-cores-and-directions
#1
Akio Sahara, Hiroki Kawahara, Shuto Yamamoto, Shingo Kawai, Mitsunori Fukutoku, Takayuki Mizuno, Yutaka Miyamoto, Kenya Suzuki, Keita Yamaguchi
We propose a novel simple space division multiplexing (SDM) node which is rearrangeble nonblocking, and effectively utilizes enhanced network resources through SDM. The proposed node can reduce a number of ports of wavelength selective switches (WSSs) and a number of WSS modules by modifying conventional multi-stage switches and employing integrated multiple arrayed WSSs. We experimentally actualized the newly proposed node, and demonstrate wavelength, core, and direction switching functions based on 127-Gbps Dual Polarization Quadrature Phase Shift Keying (DP-QPSK) signals...
February 20, 2017: Optics Express
https://www.readbyqxmd.com/read/28241511/a-weighted-spatial-spectral-kernel-rx-algorithm-and-efficient-implementation-on-gpus
#2
Chunhui Zhao, Jiawei Li, Meiling Meng, Xifeng Yao
The kernel RX (KRX) detector proposed by Kwon and Nasrabadi exploits a kernel function to obtain a better detection performance. However, it still has two limits that can be improved. On the one hand, reasonable integration of spatial-spectral information can be used to further improve its detection accuracy. On the other hand, parallel computing can be used to reduce the processing time in available KRX detectors. Accordingly, this paper presents a novel weighted spatial-spectral kernel RX (WSSKRX) detector and its parallel implementation on graphics processing units (GPUs)...
February 23, 2017: Sensors
https://www.readbyqxmd.com/read/28241076/characterisation-of-liver-fat-in-the-uk-biobank-cohort
#3
Henry R Wilman, Matt Kelly, Steve Garratt, Paul M Matthews, Matteo Milanesi, Amy Herlihy, Micheal Gyngell, Stefan Neubauer, Jimmy D Bell, Rajarshi Banerjee, E Louise Thomas
Non-alcoholic fatty liver disease and the risk of progression to steatohepatitis, cirrhosis and hepatocellular carcinoma have been identified as major public health concerns. We have demonstrated the feasibility and potential value of measuring liver fat content by magnetic resonance imaging (MRI) in a large population in this study of 4,949 participants (aged 45-73 years) in the UK Biobank imaging enhancement. Despite requirements for only a single (≤3min) scan of each subject, liver fat was able to be measured as the MRI proton density fat fraction (PDFF) with an overall success rate of 96...
2017: PloS One
https://www.readbyqxmd.com/read/28241067/cyclin-y-mediated-transcript-profiling-reveals-several-important-functional-pathways-regulated-by-cyclin-y-in-hippocampal-neurons
#4
I-Seul Joe, Jong-Hwan Kim, Hanna Kim, Jung-Hwa Hong, Mirang Kim, Mikyoung Park
Cyclin Y (CCNY), which is a cyclin protein known to play a role in cell division, is unexpectedly and thus interestingly expressed in non-proliferating neuronal cells. There have been only a few studies reporting the neuronal functions of CCNY in synapse remodeling and hippocampal long-term potentiation. Therefore, we here provide global and comprehensive information on the putative functions of CCNY in biological and functional pathways in neuronal systems. We adopted high-throughput RNA-sequencing technology for analyzing transcriptomes regulated by CCNY and utilized bioinformatics for identifying putative molecules, biological processes, and functional pathways that are possibly connected to CCNY functions in hippocampal neuronal cells of rats...
2017: PloS One
https://www.readbyqxmd.com/read/28241032/utilization-of-health-services-in-a-resource-limited-rural-area-in-kenya-prevalence-and-associated-household-level-factors
#5
Anthony K Ngugi, Felix Agoi, Megan R Mahoney, Amyn Lakhani, David Mang'ong'o, Esther Nderitu, Robert Armstrong, Sarah Macfarlane
BACKGROUND AND METHODS: Knowledge of utilization of health services and associated factors is important in planning and delivery of interventions to improve health services coverage. We determined the prevalence and factors associated with health services utilization in a rural area of Kenya. Our findings inform the local health management in development of appropriately targeted interventions. We used a cluster sample survey design and interviewed household key informants on history of illness for household members and health services utilization in the preceding month...
2017: PloS One
https://www.readbyqxmd.com/read/28240838/liver-transplantation-for-patients-with-alcoholic-hepatitis
#6
Florent Artru, Alexandre Louvet, Philippe Mathurin
Alcoholic liver disease, considered as a self-inflected disease, is an example of how moral judgment may affect ethical exercise of medicine which requires equity and fair utilization of a scarce resource in a context of organ shortage. Some consider that selection process should prioritize access to liver transplantation (LT) for patients who develop liver failure "through no fault of their own" even if limiting care because of a patient's perceived responsibility has been considered unethical. The absence of improvement after alcohol withdrawal, the high short-term mortality risk and the poor predictability of the 6-month rule in post-LT relapse in alcohol consumption in AH patients not responding to medical therapy led to recommend an evaluation of LT...
March 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28239556/the-cost-of-a-recalcitrant-intravenous-drug-user-with-serial-cases-of-endocarditis-need-for-guidelines-to-improve-the-continuum-of-care
#7
Claudia R Libertin, Ulas M Camsari, Walter C Hellinger, Terry D Schneekloth, Teresa A Rummans
We report a case of an intravenous drug user (IVDU) patient who had 4 episodes of endocarditis within a 2-year time period in rural Georgia. The institutional cost was approximately $380,000. The lack of an established transitional care plan for IVDUs to outpatient care is a common phenomenon at institutions. Guidelines are essential to optimize the quality of care rendered to IVDUs with such infections, to assist providers in utilizing limited resources, and to limit the cost to the institutions.
2017: IDCases
https://www.readbyqxmd.com/read/28239485/protocol-for-the-evaluation-of-a-digital-storytelling-approach-to-address-stigma-and-improve-readiness-to-seek-services-among-veterans
#8
Brian E Bunnell, Tatiana M Davidson, Jessica L Hamblen, Danna L Cook, Anouk L Grubaugh, Brian E Lozano, Peter W Tuerk, Kenneth J Ruggiero
BACKGROUND: Research suggests that at least 10% of veterans returning from Iraq and Afghanistan meet criteria for posttraumatic stress disorder (PTSD) related to their military experiences. National dissemination initiatives have increased veterans' access to best-practice interventions. However, treatment-seeking remains low among veterans with PTSD, often due to perceived stigma and other associated barriers. The National Center for PTSD recently developed and launched AboutFace, a digital storytelling (DST) resource designed to help veterans recognize PTSD and motivate them to seek evidence-based treatment...
2017: Pilot and Feasibility Studies
https://www.readbyqxmd.com/read/28238224/a-comparative-toxidrome-analysis-of-human-organophosphate-and-nerve-agent-poisonings-using-social-media
#9
D S Reddy, E Colman
Here we utilized social media to compare the toxidrome of three lethal chemical exposures worldwide. YouTube videos were the main source from which the data were collected, but published reports and news were also utilized to fill in some gaps. All videos were organized in a database detailing symptoms and severity of each victim, along with demographics such as approximate age and gender. Each symptom was rated as mild, moderate, or severe and corresponding pie graphs for each incident were compared. The videos displayed symptoms ranging from mild to severe cholinergic toxicity and life-threatening convulsions...
February 26, 2017: Clinical and Translational Science
https://www.readbyqxmd.com/read/28238032/information-seeking-and-satisfaction-with-information-sources-among-spouses-of-men-with-newly-diagnosed-local-stage-prostate-cancer
#10
Aasthaa Bansal, Lisel M Koepl, Catherine R Fedorenko, Chunyu Li, Judith Lee Smith, Ingrid J Hall, David F Penson, Scott D Ramsey
Information sources about prostate cancer treatment and outcomes are typically designed for patients. Little is known about the availability and utility of information for partners. The objectives of our study were to evaluate information sources used by partners to understand prostate cancer management options, their perceived usefulness, and the relationship between sources used and satisfaction with treatment experience. A longitudinal survey of female partners of men newly diagnosed with local-stage prostate cancer was conducted in three different geographic regions...
February 25, 2017: Journal of Cancer Education: the Official Journal of the American Association for Cancer Education
https://www.readbyqxmd.com/read/28237927/efficient-hardware-implementation-for-fingerprint-image-enhancement-using-anisotropic-gaussian-filter
#11
Tariq M Khan, Donald G Bailey, Mohammad A U Khan, Yinan Kong
A real-time image filtering technique is proposed which could result in faster implementation for fingerprint image enhancement. One major hurdle associated with fingerprint filtering techniques is the expensive nature of their hardware implementations. To circumvent this, a modified anisotropic Gaussian filter is efficiently adopted in hardware by decomposing the filter into two orthogonal Gaussians and an oriented line Gaussian. An architecture is developed for dynamically controlling the orientation of the line Gaussian filter...
February 20, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28237776/hydration-properties-and-binding-capacities-of-dietary-fibers-from-bamboo-shoot-shell-and-its-hypolipidemic-effects-in-mice
#12
Xianliang Luo, Qi Wang, Baodong Zheng, Liangmei Lin, Bingyan Chen, Yafeng Zheng, Jianbo Xiao
In the bamboo shoot processing industries, bamboo shoot shells are discarded without any utilization. As a cheap potential dietary fibers resource, bamboo shoot (Leleba oldhami Nakal) shell was decomposed to dietary fibers by multiple enzymes. The extraction yields of insoluble dietary fiber and soluble dietary fiber were 56.21% and 8.67%, respectively. The resulting fibers showed significant swelling capacity, water holding capacity and exhibit in vitro binding capacities to fat, cholesterol, bile acids and nitrites...
February 22, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28237526/effect-of-thermal-pre-treatment-on-co-digestion-of-duckweed-lemna-gibba-and-waste-activated-sludge-on-biogas-production
#13
Rubia Zahid Gaur, Abid Ali Khan, Surindra Suthar
The duckweeds (DW) are considered as a major problem in tropical aquatic system as they grow very fast and produce enormous rich-biomass, which can be harvested for renewable energy operations. But complex lignocellulosic compounds limit their utility in process like anaerobic digestion. This batch study aimed to analyse characteristics (proximate, ultimate and physico-chemical) and possible utility of DW for anaerobic co-digestion with waste activated sludge (WAS) under mesophilic conditions for 35 d. Two sets of experiment were tested: substrate with and without thermal pre-treatment...
May 2017: Chemosphere
https://www.readbyqxmd.com/read/28237199/comparing-increments-in-utility-of-health-an-individual-based-approach
#14
Matthew Taylor, Susan Chilton, Sarah Ronaldson, Hugh Metcalf, Jytte Seested Nielsen
BACKGROUND: Many economic evaluations of health care changes rely on quality-adjusted life year (QALY) estimates. Notably, though, the QALY approach values health states rather than changes in health states. Hence, a gain in utility of health is only indirectly valued through an ex ante preference elicitation of health states and the subsequent subtraction of health state values from one another, rather than being valued directly. There is therefore an underlying assumption that individuals, from an ex ante perspective ceteris paribus, would be indifferent between equal utility increments from health states with different baseline utilities...
February 2017: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/28237091/development-of-an-indirect-competitive-immunochromatographic-strip-test-for-rapid-detection-and-determination-of-anticancer-drug-harringtonine
#15
Seiichi Sakamoto, Gorawit Yusakul, Poomraphie Nuntawong, Tharita Kitisripanya, Waraporn Putalun, Tomofumi Miyamoto, Hiroyuki Tanaka, Satoshi Morimoto
Harringtonine (HT) is a natural compound, which is mainly produced by the genus Cephalotaxus, and has been clinically utilized in China for the treatment of acute leukemia and lymphoma. However, the amounts of HT in the Cephalotaxus species are very small; therefore, plant tissue cultures have been focused upon to enhance HT production. Qualitative/quantitative methods for HT detection are required to screen superior cell lines. We developed a one-step indirect competitive immunochromatographic assay (ICA) using colloidal gold nanoparticles conjugated with highly specific monoclonal antibodies against HT (MAb 1D2) for simple, rapid, and sensitive detection of HT in plant samples...
January 22, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28237045/are-the-kids-alright-review-books-and-the-internet-as-the-most-common-study-resources-for-the-general-surgery-clerkship
#16
Janice A Taylor, Christiana M Shaw, Sanda A Tan, John L Falcone
BACKGROUND: To define resources deemed most important to medical students on their general surgery clerkship, we evaluated their material utilization. METHODS: A prospective study was conducted amongst third-year medical students using a 20-item survey. Descriptive statistics were performed on the demographics. Kruskal-Wallis and Mann-Whitney analyses were performed on the Likert responses (α = 0.05). RESULTS: Survey response was 69.2%...
January 30, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/28236921/targeting-the-most-important-complications-in-vascular-surgery
#17
Kyla M Bennett, K Craig Kent, Jessica Schumacher, Caprice C Greenberg, John E Scarborough
OBJECTIVE: This study was conducted to identify the most clinically relevant and costly perioperative complications occurring in vascular surgery patients. METHODS: The analysis included patients in the 2012 to 2014 National Surgical Quality Improvement Program database undergoing one of four high-risk vascular procedures. The procedures-aortic reconstruction, lower extremity bypass, lower extremity amputation, and carotid endarterectomy (CEA)-were selected because they have been established as high risk in the literature, rendering them natural targets for quality improvement initiatives...
March 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28236918/morbidity-and-mortality-after-emergency-lower-extremity-embolectomy
#18
Sergio Casillas-Berumen, Lili Sadri, Alik Farber, Mohammad H Eslami, Jeffrey A Kalish, Denis Rybin, Gheorghe Doros, Jeffrey J Siracuse
OBJECTIVE: Emergency lower extremity embolectomy is a common vascular surgical procedure that has poorly defined outcomes. Our goal was to define the perioperative morbidity for emergency embolectomy and develop a risk prediction model for perioperative mortality. METHODS: The American College of Surgeons National Surgical Quality Improvement database was queried to identify patients undergoing emergency unilateral and lower extremity embolectomy. Patients with previous critical limb ischemia, bilateral embolectomy, nonemergency indication, and those undergoing concurrent bypass were excluded...
March 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28236697/budget-impact-of-perampanel-as-adjunctive-treatment-of-uncontrolled-partial-onset-and-primary-generalized-tonic-clonic-seizures-in-the-united-states
#19
Gabriel Tremblay, Victoria Barghout, Vardhaman Patel, Wan Tsong, Zhixiao Wang
PURPOSE: To evaluate the budget impact (BI) of adopting perampanel for adjunctive treatment of partial-onset seizures (POS), with or without secondarily generalized seizures, and the adjunctive treatment of primary generalized tonic-clonic seizures (PGTCS) in patients 12years or older in the United States. METHODS: A BI model was developed to estimate the potential BI of adopting adjunctive perampanel from a US payer (direct costs only) and societal (direct and indirect costs) perspective over a 5-year period...
February 17, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28236665/using-a-butterflyfish-genome-as-a-general-tool-for-rad-seq-studies-in-specialized-reef-fish
#20
Joseph D DiBattista, Pablo Saenz-Agudelo, Marek J Piatek, Xin Wang, Manuel Aranda, Michael L Berumen
Data from a large-scale restriction site associated DNA (RAD-Seq) study of nine butterflyfish species in the Red Sea and Arabian Sea provided a means to test the utility of a recently published draft genome (Chaetodon austriacus) and assess apparent bias in this method of isolating nuclear loci. We here processed double-digest restriction-site (ddRAD) associated DNA sequencing data to identify single nucleotide polymorphism (SNP) markers and their associated function with and without our reference genome to see if it improves the quality of RAD-Seq markers...
February 25, 2017: Molecular Ecology Resources
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