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https://www.readbyqxmd.com/read/28108924/the-nexus-of-oil-consumption-co2-emissions-and-economic-growth-in-china-japan-and-south-korea
#1
Behnaz Saboori, Ehsan Rasoulinezhad, Jinsok Sung
This article attempts to explore the nexus between oil consumption, economic growth and carbon dioxide (CO2) emissions in three East Asian oil importing countries (i.e. China, South Korea and Japan) over the period 1980-2013, by using the Granger causality, Johansen cointegration test, Generalised Impulse Response functions (GIRF) and variance decompositions. The empirical findings provide evidence for the existence of a long-run relationship between oil consumption and economic growth in China and Japan. The results also point to a uni-directional causality from running from oil consumption to economic growth in China and Japan, and from oil consumption to CO2 emissions in South Korea...
January 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28108817/computerized-classification-of-pneumoconiosis-on-digital-chest-radiography-artificial-neural-network-with-three-stages
#2
Eiichiro Okumura, Ikuo Kawashita, Takayuki Ishida
It is difficult for radiologists to classify pneumoconiosis from category 0 to category 3 on chest radiographs. Therefore, we have developed a computer-aided diagnosis (CAD) system based on a three-stage artificial neural network (ANN) method for classification based on four texture features. The image database consists of 36 chest radiographs classified as category 0 to category 3. Regions of interest (ROIs) with a matrix size of 32 × 32 were selected from chest radiographs. We obtained a gray-level histogram, histogram of gray-level difference, gray-level run-length matrix (GLRLM) feature image, and gray-level co-occurrence matrix (GLCOM) feature image in each ROI...
January 20, 2017: Journal of Digital Imaging: the Official Journal of the Society for Computer Applications in Radiology
https://www.readbyqxmd.com/read/28108494/the-rich-club-organization-in-rat-functional-brain-network-to-balance-between-communication-cost-and-efficiency
#3
Xia Liang, Li-Ming Hsu, Hanbing Lu, Akira Sumiyoshi, Yong He, Yihong Yang
Network analyses of structural connectivity in the brain have highlighted a set of highly connected hubs that are densely interconnected, forming a "rich-club" substrate in diverse species. Here, we demonstrate the existence of rich-club organization in functional brain networks of rats. Densely interconnected rich-club regions are found to be distributed in multiple brain modules, with the majority located within the putative default mode network. Rich-club members exhibit high wiring cost (as measured by connection distance) and high metabolic running cost (as surrogated by cerebral blood flow), which may have evolved to achieve high network communications to support efficient brain functions...
January 19, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28108450/netland-quantitative-modeling-and-visualization-of-waddington-s-epigenetic-landscape-using-probabilistic-potential
#4
Jing Guo, Feng Lin, Xiaomeng Zhang, Vivek Tanavde, Jie Zheng
: Waddington's epigenetic landscape is a powerful metaphor for cellular dynamics driven by gene regulatory networks. Its quantitative modeling and visualization, however, remains a challenge, especially when there are more than two genes in the network. A software tool for Waddington's landscape has not been available in the literature. We present NetLand, an open-source software tool for modeling and simulating the kinetic dynamics of gene regulatory networks (GRNs), and visualizing the corresponding Waddington's epigenetic landscape in three dimensions without restriction on the number of genes in a GRN...
January 19, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28108294/the-dimensional-reduction-method-for-identification-of-parameters-that-trade-off-due-to-similar-model-roles
#5
Shaun M Davidson, Paul D Docherty, Rua Murray
Parameter identification is an important and widely used process across the field of biomedical engineering. However, it is susceptible to a number of potential difficulties, such as parameter trade-off, causing premature convergence at non-optimal parameter values. The proposed Dimensional Reduction Method (DRM) addresses this issue by iteratively reducing the dimension of hyperplanes where trade off occurs, and running subsequent identification processes within these hyperplanes. The DRM was validated using clinical data to optimize 4 parameters of the widely used Bergman Minimal Model of glucose and insulin kinetics, as well as in-silico data to optimize 5 parameters of the Pulmonary Recruitment (PR) Model...
January 17, 2017: Mathematical Biosciences
https://www.readbyqxmd.com/read/28108267/fitness-and-fatness-in-relation-with-attention-capacity-in-european-adolescents-the-helena-study
#6
Cristina Cadenas-Sanchez, Jeremy Vanhelst, Jonatan R Ruiz, Ruth Castillo-Gualda, Lars Libuda, Idoia Labayen, Pilar De Miguel-Etayo, Ascensión Marcos, Eszter Molnár, Andrés Catena, Luis A Moreno, Michael Sjöström, Frederic Gottrand, Kurt Widhalm, Francisco B Ortega
OBJECTIVES: To examine the association of health-related physical fitness components and accurate measures of fatness with attention in European adolescents. DESIGN: Cross-sectional study. METHODS: A sub-sample of 444 adolescents from the HELENA study (14.5±1.2years) from 6 different countries participated in this study. Adolescents underwent evaluations of fitness (20m shuttle run, handgrip strength, standing long jump and 4×10m shuttle run tests), fatness (body mass index, skinfold thicknesses, bioelectrical impedance, Bod Pod and dual-energy X-ray absorptiometry) and attention (d2-test)...
August 9, 2016: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28107942/stereoselective-quantification-of-triticonazole-in-vegetables-by-supercritical-fluid-chromatography
#7
Qi Tan, Jun Fan, Ruiqi Gao, Rujian He, Tai Wang, Yaomou Zhang, Weiguang Zhang
A highly fast analytical method though supercritical fluid chromatography (SFC) has been developed to quantify triticonazole enantiomers in cucumbers and tomatoes. Effects of organic modifier type and concentration on chiral separation and quantification of standard solution as well as matrix-matched standard solutions have been studied in detail. Among three organic modifiers, better separation of triticonazole racemate was achieved with 20% ethanol (v/v). The run time in SFC (ca 3min) with CO2-ethanol (80:20, v/v) as the mobile phase was six-fold shorter than HPLC analysis (about 18min)...
March 1, 2017: Talanta
https://www.readbyqxmd.com/read/28107940/incorporation-of-zeolitic-imidazolate-framework-zif-8-derived-nanoporous-carbons-in-methacrylate-polymeric-monoliths-for-capillary-electrochromatography
#8
Enrique Javier Carrasco-Correa, Andrea Martínez-Vilata, José Manuel Herrero-Martínez, José B Parra, Fernando Maya, Victor Cerdà, Carlos Palomino Cabello, Gemma Turnes Palomino, Frantisek Svec
A series of metal organic frameworks-derived nanoporous carbons originating from zeolitic imidazolate framework-8 (ZIF-8) crystals as precursors have been prepared via varying the preparation conditions. The ZIF-8-derived carbons were subsequently admixed in the methacrylate monomers containing polymerization mixtures and polymerized to obtain monolithic columns for capillary electrochromatography (CEC). The effect of particle size and content of the ZIF-8-derived carbon materials in the polymerization mixture on the performance of the hybrid monolithic columns was investigated in detail...
March 1, 2017: Talanta
https://www.readbyqxmd.com/read/28107923/a-sensitive-and-rapid-uflc-apci-ms-ms-bioanalytical-method-for-quantification-of-endogenous-and-exogenous-vitamin-k1-isomers-in-human-plasma-development-validation-and-first-application-to-a-pharmacokinetic-study
#9
Nagaraj Kumar Nannapaneni, Sunil S Jalalpure, Rajendraprasad Muppavarapu, Sunil Kumar Sirigiri
Due to lack of suitable bioanalytical methods in previous literature, for simultaneous estimation of Vitamin K1 isomers, in compliance with the current regulatory expectation, we aimed to develop a sensitive and rapid method with UFLC-APCI-MS/MS (ultrafast liquid chromatography - tandem mass spectrometry) using human plasma. A simple and cost effective procedure was implemented with the combination of protein precipitation and liquid extraction, to isolate the targets from plasma sample, while achieving an insignificant matrix effects and high recovery (≥88...
March 1, 2017: Talanta
https://www.readbyqxmd.com/read/28107819/mc-genomekey-a-multicloud-system-for-the-detection-and-annotation-of-genomic-variants
#10
Hatem Elshazly, Yassine Souilmi, Peter J Tonellato, Dennis P Wall, Mohamed Abouelhoda
BACKGROUND: Next Generation Genome sequencing techniques became affordable for massive sequencing efforts devoted to clinical characterization of human diseases. However, the cost of providing cloud-based data analysis of the mounting datasets remains a concerning bottleneck for providing cost-effective clinical services. To address this computational problem, it is important to optimize the variant analysis workflow and the used analysis tools to reduce the overall computational processing time, and concomitantly reduce the processing cost...
January 20, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28107718/test-procedures-for-measuring-the-sub-chronic-effects-of-chemicals-on-the-freshwater-cyclopoid-eucyclops-serrulatus
#11
Marco Cifoni, Diana Maria Paola Galassi, Cecilia Faraloni, Tiziana Di Lorenzo
The purpose of this study has been to describe test procedures for measuring the (sub)chronic effects of chemicals on the freshwater cyclopoid Eucyclops serrulatus. To this end we have adapted the setting of the standard full life-cycle protocol of the marine harpacticoid A. tenuiremis to E. serrulatus. We have tested the effects of 4 different diets, two temperatures and two rearing volumes on the survival, development, reproduction and population growth rates of this species. Our results have highlighted that full life-cycle tests can be run using 2 mL-glass vials, a diet consisting of a mixture of living cells of Chlorella sorokiniana and Scenedesmus quadricauda, at either 25 °C (test duration: 42 days) or 18 °C (test duration: 51 days)...
January 3, 2017: Chemosphere
https://www.readbyqxmd.com/read/28107601/predictors-of-liver-histological-changes-and-a-sustained-response-to-peginterferon-among-chronic-hepatitis-b-e-antigen-positive-patients-with-normal-or-minimally-elevated-alanine-aminotransferase-levels
#12
Jie Chen, Cheng-Run Xu, Min Xi, Wei-Wei Hu, Zheng-Hao Tang, Guo-Qing Zhang
BACKGROUND: A proportion of chronic hepatitis B (CHB) patients with normal or only minimally elevated ALT levels display significant histologic changes, and would benefit from antiviral therapy. OBJECTIVES: We aim to evaluate the histologic abnormalities seen in these patients, and then determine which of them would most likely respond to peginterferon therapy. METHODS: One hundred and thirteen hepatitis B e antigen (HBeAg)-positive patients with a normal or minimally elevated ALT level and moderate to severe histologic changes in their liver tissue were selected to receive peginterferon monotherapy and participate in a followup analysis...
January 20, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/28107447/a-software-tool-for-estimation-of-burden-of-infectious-diseases-in-europe-using-incidence-based-disability-adjusted-life-years
#13
Edoardo Colzani, Alessandro Cassini, Daniel Lewandowski, Marie-Josee J Mangen, Dietrich Plass, Scott A McDonald, Alies van Lier, Juanita A Haagsma, Guido Maringhini, Alessandro Pini, Piotr Kramarz, Mirjam E Kretzschmar
The burden of disease framework facilitates the assessment of the health impact of diseases through the use of summary measures of population health such as Disability-Adjusted Life Years (DALYs). However, calculating, interpreting and communicating the results of studies using this methodology poses a challenge. The aim of the Burden of Communicable Disease in Europe (BCoDE) project is to summarize the impact of communicable disease in the European Union and European Economic Area Member States (EU/EEA MS)...
2017: PloS One
https://www.readbyqxmd.com/read/28106551/conscientiousness-is-negatively-associated-with-grey-matter-volume-in-young-apoe%C3%A9-4-carriers
#14
Lukas Kunz, Martin Reuter, Nikolai Axmacher, Christian Montag
The etiology of late onset Alzheimer's disease (LOAD) depends on multiple factors, among which the APOEɛ4 allele is the most adverse genetic determinant and conscientiousness represents an influential personality trait. A potential association of both factors with brain structure in young adulthood may constitute a constellation that sets the course toward or against the subtle disease progression of LOAD that starts decades before clinical manifestation. Hence, in the present study, we examined the modulating effects of APOEɛ4 on the relation between personality dimensions, including conscientiousness, and total grey matter volume (GMV) in young healthy adults using an a priori genotyping design...
January 18, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28106498/performing-concurrent-operations-in-academic-vascular-neurosurgery-does-not-affect-patient-outcomes
#15
Corinna C Zygourakis, Janelle Lee, Julio Barba, Errol Lobo, Michael T Lawton
OBJECTIVE Concurrent surgeries, also known as "running two rooms" or simultaneous/overlapping operations, have recently come under intense scrutiny. The goal of this study was to evaluate the operative time and outcomes of concurrent versus nonconcurrent vascular neurosurgical procedures. METHODS The authors retrospectively reviewed 1219 procedures performed by 1 vascular neurosurgeon from 2012 to 2015 at the University of California, San Francisco. Data were collected on patient age, sex, severity of illness, risk of mortality, American Society of Anesthesiologists (ASA) status, procedure type, admission type, insurance, transfer source, procedure time, presence of resident or fellow in operating room (OR), number of co-surgeons, estimated blood loss (EBL), concurrent vs nonconcurrent case, severe sepsis, acute respiratory failure, postoperative stroke causing neurological deficit, unplanned return to OR, 30-day mortality, and 30-day unplanned readmission...
January 20, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28106409/revisiting-lepton-flavor-universality-in-b-decays
#16
Ferruccio Feruglio, Paride Paradisi, Andrea Pattori
Lepton flavor universality (LFU) in B decays is revisited by considering a class of semileptonic operators defined at a scale Λ above the electroweak scale v. The importance of quantum effects, so far neglected in the literature, is emphasized. We construct the low-energy effective Lagrangian taking into account the running effects from Λ down to v through the one-loop renormalization group equations (RGEs) in the limit of exact electroweak symmetry and QED RGEs from v down to the 1 GeV scale. The most important quantum effects turn out to be the modification of the leptonic couplings of the vector boson Z and the generation of a purely leptonic effective Lagrangian...
January 6, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28106039/anthropogenic-ecosystem-disturbance-and-the-recovery-debt
#17
David Moreno-Mateos, Edward B Barbier, Peter C Jones, Holly P Jones, James Aronson, José A López-López, Michelle L McCrackin, Paula Meli, Daniel Montoya, José M Rey Benayas
Ecosystem recovery from anthropogenic disturbances, either without human intervention or assisted by ecological restoration, is increasingly occurring worldwide. As ecosystems progress through recovery, it is important to estimate any resulting deficit in biodiversity and functions. Here we use data from 3,035 sampling plots worldwide, to quantify the interim reduction of biodiversity and functions occurring during the recovery process (that is, the 'recovery debt'). Compared with reference levels, recovering ecosystems run annual deficits of 46-51% for organism abundance, 27-33% for species diversity, 32-42% for carbon cycling and 31-41% for nitrogen cycling...
January 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/28105973/selective-determination-of-human-growth-hormone-somatropin-in-the-presence-of-its-chemical-degradation-products
#18
Mamdouh R Rezk, Marwa F Mohamed, Faten Abdelaziz Fathalla, Mostafa A Shehata
A rapid and sensitive HPLC method was developedand validated for selective determination of thehuman growth hormone (hGH) somatropin in thepresence of its deamidated and oxidized degradationproducts. Reversed-phase chromatographywith an acetonitrile and ammonium bicarbonatemobile phase in gradient elution mode was used.A short run time of 15 min allowed rapid andcost-effective analysis, with an average retentiontime of 7.4 min for native hGH, 6.2 min for itsdeamidated form, and 4.3 and 6 min for its oxidizedvariants...
January 19, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/28105968/situs-inversus-totalis-in-twins-a-brief-review-and-a-life-history-twin-research-twin-studies-of-trisomy-21-monozygotic-twin-concordance-for-bilateral-coronoid-hyperplasia-prenatal-hormonal-effects-in-mixed-sex-non-human-primate-litters-insurance-mandates-and
#19
Nancy L Segal
The presence of situs inversus totalis (full reversal of internal organs) in twins is briefly reviewed. Information gathered from 35-year-old monozygotic (MZ) female twin pair discordant for this condition is presented. This is followed by summaries of research on the frequency of trisomy 21 (Down syndrome) in twins, the first case of MZ twin concordance for bilateral coronoid hyperplasia, prenatal hormonal effects in mixed-sex non-human primate litters, and links between insurance mandates and twinning following in vitro fertilization...
February 2017: Twin Research and Human Genetics: the Official Journal of the International Society for Twin Studies
https://www.readbyqxmd.com/read/28105953/a-powered-prosthetic-ankle-joint-for-walking-and-running
#20
Martin Grimmer, Matthew Holgate, Robert Holgate, Alexander Boehler, Jeffrey Ward, Kevin Hollander, Thomas Sugar, André Seyfarth
BACKGROUND: Current prosthetic ankle joints are designed either for walking or for running. In order to mimic the capabilities of an able-bodied, a powered prosthetic ankle for walking and running was designed. A powered system has the potential to reduce the limitations in range of motion and positive work output of passive walking and running feet. METHODS: To perform the experiments a controller capable of transitions between standing, walking, and running with speed adaptations was developed...
December 19, 2016: Biomedical Engineering Online
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