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https://www.readbyqxmd.com/read/28538686/amorphous-in-ga-zn-o-powder-with-high-gas-selectivity-towards-wide-range-concentration-of-c%C3%A2-h%C3%A2-oh
#1
Hongxiang Chen, Wei Jiang, Lianfeng Zhu, Youwei Yao
Amorphous indium gallium zinc oxide (a-IGZO) powder was prepared by typical solution-based process and post-annealing process. The sample was used as sensor for detecting C₂H₅OH, H₂, and CO. Gas-sensing performance was found to be highly sensitive to C₂H₅OH gas in a wide range of concentration (0.5-1250 ppm) with the response of 2.0 towards 0.5 ppm and 89.2 towards 1250 ppm. Obvious difference of response towards C₂H₅OH, H₂, and CO was found that the response e.g., was 33.20, 6.64, and 2.84 respectively at the concentration of 200 ppm...
May 24, 2017: Sensors
https://www.readbyqxmd.com/read/28538188/identification-and-characterization-of-a-class-of-malat1-like-genomic-loci
#2
Bin Zhang, Yuntao S Mao, Sarah D Diermeier, Irina V Novikova, Eric P Nawrocki, Tom A Jones, Zsolt Lazar, Chang-Shung Tung, Weijun Luo, Sean R Eddy, Karissa Y Sanbonmatsu, David L Spector
The MALAT1 (Metastasis-Associated Lung Adenocarcinoma Transcript 1) gene encodes a noncoding RNA that is processed into a long nuclear retained transcript (MALAT1) and a small cytoplasmic tRNA-like transcript (mascRNA). Using an RNA sequence- and structure-based covariance model, we identified more than 130 genomic loci in vertebrate genomes containing the MALAT1 3' end triple-helix structure and its immediate downstream tRNA-like structure, including 44 in the green lizard Anolis carolinensis. Structural and computational analyses revealed a co-occurrence of components of the 3' end module...
May 23, 2017: Cell Reports
https://www.readbyqxmd.com/read/28537954/a-meta-synthesis-of-qualitative-studies-exploring-men-s-sense-of-masculinity-post-prostate-cancer-treatment
#3
Obrey Alexis, Aaron James Worsley
BACKGROUND: There has been little psychosocial research concerning men's adaption to prostate cancer and treatment-related sexual dysfunction. Qualitative studies have explored men's sense of self after treatment, but the data have yet to be synthesized. OBJECTIVE: The aim of this study was to report a meta-synthesis of qualitative studies exploring men's sense of masculinity after treatment of prostate cancer. METHODS: Six databases were searched to identify relevant studies conducted and published between January 1990 and August 2016...
May 23, 2017: Cancer Nursing
https://www.readbyqxmd.com/read/28537848/influence-of-endurance-training-on-skeletal-muscle-mitophagy-regulatory-proteins-in-type-2-diabetic-men
#4
Christian Brinkmann, Axel Przyklenk, Alexander Metten, Thorsten Schiffer, Wilhelm Bloch, Klara Brixius, Sebastian Gehlert
BACKGROUND: Mitophagy is a form of autophagy for the elimination of mitochondria. Mitochondrial content and function are reduced in the skeletal muscle of patients with type 2 diabetes mellitus (T2DM). Physical training has been shown to restore mitochondrial capacity in T2DM patients, but the role of mitophagy has not been examined in this context. This study analyzes the impact of a 3-month endurance training on important skeletal muscle mitophagy regulatory proteins and oxidative phosphorylation (OXPHOS) complexes in T2DM patients...
May 24, 2017: Endocrine Research
https://www.readbyqxmd.com/read/28537084/bringing-menu-labelling-to-independent-restaurants-findings-from-a-voluntary-pilot-project-in-toronto
#5
Tara Brown, Loren Vanderlinden, Anne Birks, Dia Mamatis, Jennifer Levy, Tina Sahay
Toronto Public Health conducted a pilot project to assess the feasibility of menu labelling by independent restaurants. The pilot project was informed by consultations with the industry and other jurisdictions that have implemented a similar initiative. Public Health Dietitians worked closely with these restaurants to help them work toward posting calories and sodium on their menus. This paper reports on the findings of a feasibility assessment that took a mixed-methods approach resulting in a comprehensive process evaluation...
May 24, 2017: Canadian Journal of Dietetic Practice and Research
https://www.readbyqxmd.com/read/28535522/restenosis-in-hemodialytic-fistulas-and-chronic-kidney-disease-associated-vascular-disease-two-pathologies-driven-by-metakaryotic-stem-cells
#6
Gianandrea Pasquinelli, William G Thilly, Elena V Gostjeva, Paola Todeschini, Giuseppe Cianciolo, Claudio Ronco, Gaetano La Manna
Chronic kidney disease (CKD) exacerbating vascular disease poses a major challenge to nephrology. Surgically placed vascular fistulas, as an aid to hemodialysis prior to kidney transplant, have extended many lives, while post-surgical restenosis closure of the fistula by smooth muscle cells affects many lives. When post-surgical restenosis is developed, palliative measures are almost always surgical: there are no effective drug treatments. In this study, we offer a testable hypothesis that effects of CKD on widely distributed vascular diseases and the phenomenon of fistula restenosis are both driven by the pathologic creation of non-dividing smooth muscle cells via asymmetric division of exponentially increasing metakaryotic stem cells...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28535510/heat-shock-protein-a12b-protects-vascular-endothelial-cells-against-sepsis-induced-acute-lung-injury-in-mice
#7
Yi Chen, Lei Wang, Qiuxiang Kang, Xu Zhang, Guifang Yu, Xiaojian Wan, Jiafeng Wang, Keming Zhu
BACKGROUND: Pulmonary endothelial injury is a critical process in the pathogenesis of acute lung injury (ALI) during sepsis. Heat shock protein A12B (HSPA12B) is mainly expressed in endothelial cells and protects against several harmful factors. However, the effects of HSPA12B in sepsis-induced ALI and its potential mechanisms of action remain unclear. METHODS: For in vivo experiments, C57BL/6 mice were randomly divided into four groups (n=15): a sham operation group, a cecal ligation and puncture (CLP) group, a HSPA12B siRNA-CLP group and a negative control (NC) siRNA-CLP group...
May 25, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28535436/microcystin-lr-induces-changes-in-the-gaba-neurotransmitter-system-of-zebrafish
#8
Wei Yan, Li Li, Guangyu Li, Sujuan Zhao
It has been reported that exposure to microcystins altered adult zebrafish swimming performance parameters, but the possible mechanisms of action remain unknown. Neuronal activity depends on the balance between the number of excitatory and inhibitory processes which are associated with neurotransmitters. In the present study, zebrafish embryos (5 d post-fertilization) were exposed to 0, 0.3, 3 and 30μg/L (microcystin-LR) MCLR for 90day until reaching sexual maturity. To investigate the effects of MCLR on the neurotransmitter system, mRNA levels involved in amino acid g-aminobutyric acid (GABA) and glutamate metabolic pathways were tested using quantitative real-time PCR...
May 15, 2017: Aquatic Toxicology
https://www.readbyqxmd.com/read/28535344/clarifying-the-controversial-catalytic-performance-of-co-oh-2-and-co3o4-for-oxygen-reduction-evolution-reactions-toward-efficient-zn-air-batteries
#9
Zhishuang Song, Xiaopeng Han, Yida Deng, Naiqin Zhao, Wenbin Hu, Cheng Zhong
Cobalt-based nanomaterials have been widely studied as catalysts for the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) due to their remarkable bifunctional catalytic activity, low cost and easy available. However, controversial results concerning OER/ORR performance exist between different types of cobalt-based catalysts, especially for Co(OH)2 and Co3O4. To address this issue, we develop a facile electrochemical deposition method to grow Co(OH)2 directly on the skeleton of carbon cloth, and further Co3O4 was obtained by post thermal treatment...
May 23, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28535147/mechanics-of-post-fusion-exocytotic-vesicle
#10
Thomas Stephens, Zhanghan Wu, Jian Liu
Exocytosis is an important cellular process controlled by metabolic signaling. It involves vesicle fusion to the plasma membrane, followed by the opening of a fusion pore, and the subsequent release of the vesicular lumen content into the extracellular space. While most modeling efforts focus on the events leading to membrane fusion, how the vesicular membrane remodels after fusing to plasma membrane remains unclear. This latter event dictates the nature and the efficiency of exocytotic vesicular secretions, and is thus critical for exocytotic function...
May 23, 2017: Physical Biology
https://www.readbyqxmd.com/read/28534999/mir-370-regulates-cell-proliferation-and-migration-by-targeting-egfr-in-gastric-cancer
#11
Tao Ning, Haiyang Zhang, Xinyi Wang, Shuang Li, Le Zhang, Ting Deng, Likun Zhou, Rui Liu, Xia Wang, Ming Bai, Shaohua Ge, Hongli Li, Dingzhi Huang, Guoguang Ying, Yi Ba
Epidermal growth factor receptor (EGFR) is known to be overexpressed in ~30% of gastric cancer (GC) cases, and may serve as an effective biomarker for predicting the clinical benefit of anti-EGFR therapy. However, the mechanism underlying the regulation of EGFR expression remains unknown. Evidence indicates that post-transcriptional regulation may exist in the process of EGFR expression. In the present study, we aimed to explore whether miR-370 is involved in this process, and how it impacts the biological behaviors of GC cells...
May 23, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28534780/katzlgo-large-scale-prediction-of-lncrna-functions-by-using-the-katz-measure-based-on-multiple-networks
#12
Zuping Zhang, Jingpu Zhang, Chao Fan, Yongjun Tang, Lei Deng
Aggregating evidences have shown that long non-coding RNAs (lncRNAs) generally play key roles in cellular biological processes such as epigenetic regulation, gene expression regulation at transcriptional and post-transcriptional levels, cell differentiation and others. However, most lncRNAs have not been functionally characterized. There is an urgent need to develop computational approaches for function annotation of increasing available lncRNAs. In this article, we propose a global network-based method, KATZLGO, to predict the functions of human lncRNAs at large scale...
May 16, 2017: IEEE/ACM Transactions on Computational Biology and Bioinformatics
https://www.readbyqxmd.com/read/28534683/transfer-from-pediatric-to-adult-endocrinology
#13
Marybeth R Jones, Brett W Robbins, Marilyn Augustine, Jackie Doyle, Jean Mack-Fogg, Heather Jones, Patience H White
OBJECTIVE: Adult and pediatric endocrinologists share responsibility for the transition of youth with type 1 diabetes from pediatric to adult healthcare. This study aimed to increase successful transfers to adult care in subspecialty practices by establishing a systematic healthcare transition (HCT) process. METHODS: Providers from the adult and pediatric endocrinology divisions at the University of Rochester Medical Center (URMC) met monthly to customize and integrate the 6 Core Elements (6CEs) of HCT into clinical workflows...
May 23, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28534679/laser-induced-photofragmentation-fluorescence-imaging-of-alkali-compounds-in-flames
#14
Tomas Leffler, Christian Brackmann, Marcus Aldén, Zhongshan Li
Laser-induced photofragmentation fluorescence has been investigated for the imaging of alkali compounds in premixed laminar methane-air flames. An ArF excimer laser, providing pulses of wavelength 193 nm, was used to photodissociate KCl, KOH, and NaCl molecules in the post-flame region and fluorescence from the excited atomic alkali fragment was detected. Fluorescence emission spectra showed distinct lines of the alkali atoms allowing for efficient background filtering. Temperature data from Rayleigh scattering measurements together with simulations of potassium chemistry presented in literature allowed for conclusions on the relative contributions of potassium species KOH and KCl to the detected signal...
June 2017: Applied Spectroscopy
https://www.readbyqxmd.com/read/28534614/functional-nanoclay-suspension-for-printing-then-solidification-of-liquid-materials
#15
Yifei Jin, Ashley M Compaan, Wenxuan Chai, Yong Huang
Additive manufacturing (AM) enables the freeform fabrication of complex structures from various build materials. The objective of this study is to develop a novel Laponite nanoclay-enabled "printing-then-solidification" additive manufacturing approach to extrude complex three-dimensional (3D) structures made of various liquid build materials. Laponite, a member of the smectite mineral family, is investigated to serve as a yield-stress support bath material for the extrusion printing of liquid build materials...
May 23, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28534194/assessing-protein-ligand-binding-modes-with-computational-tools-the-case-of-pde4b
#16
Gülşah Çifci, Viktorya Aviyente, E Demet Akten, Gerald Monard
In a first step in the discovery of novel potent inhibitor structures for the PDE4B family with limited side effects, we present a protocol to rank newly designed molecules through the estimation of their IC[Formula: see text] values. Our protocol is based on reproducing the linear relationship between the logarithm of experimental IC[Formula: see text] values [[Formula: see text](IC[Formula: see text])] and their calculated binding free energies ([Formula: see text]). From 13 known PDE4B inhibitors, we show here that (1) binding free energies obtained after a docking process by AutoDock are not accurate enough to reproduce this linear relationship; (2) MM-GB/SA post-processing of molecular dynamics (MD) trajectories of the top ranked AutoDock pose improves the linear relationship; (3) by taking into account all representative structures obtained by AutoDock and by averaging MM-GB/SA computations on a series of 40 independent MD trajectories, a linear relationship between [Formula: see text](IC[Formula: see text]) and the lowest [Formula: see text] is achieved with [Formula: see text]...
May 22, 2017: Journal of Computer-aided Molecular Design
https://www.readbyqxmd.com/read/28533637/development-and-validation-of-the-suprathreshold-stochastic-resonance-based-image-processing-method-for-the-detection-of-abdomino-pelvic-tumor-on-pet-ct-scans
#17
Kartik Saroha, Anil Kumar Pandey, Param Dev Sharma, Abhishek Behera, Chetan Patel, Chandrashekhar Bal, Rakesh Kumar
PURPOSE: The detection of abdomino-pelvic tumors embedded in or nearby radioactive urine containing 18F-FDG activity is a challenging task on PET/CT scan. In this study, we propose and validate the suprathreshold stochastic resonance-based image processing method for the detection of these tumors. METHODS: The method consists of the addition of noise to the input image, and then thresholding it that creates one frame of intermediate image. One hundred such frames were generated and averaged to get the final image...
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28533626/nonhealing-progressive-stress-fractures-of-the-foot-in-a-13-year-old-basketball-player-is-vitamin-k-deficiency-a-risk-factor
#18
Meral Bayramoğlu, Nuray Ünlütürk
[Purpose] To report an adolescent male basketball player with nonhealing stress fractures of the foot and discuss the probable factors. [Subject and Methods] A 13-year-old basketball player presented with right foot pain. He had been playing basketball for three years and practicing 5 days/week. He denied any increase in daily training intensity. Magnetic resonance imaging confirmed stress fractures of the cuboid and cuneiform, with mild edema of the soft tissues between the tarsal bones and tenosynovitis of the flexor hallucis and flexor digitorum longi...
April 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28533144/discovery-of-two-p-superfamily-conotoxins-lt9a-and-lt9b-with-different-modifications-on-voltage-sensitive-sodium-channels
#19
Lei Wang, Junliang Liu, Zhenghua Ren, Yu Chen, Anlong Xu
In this work, two P-superfamily conotoxins, lt9a and lt9b, were purified and characterized from the crude venom of Conus litteratus. The amino acid sequences of lt9a and lt9b were determined by the Edman degradation method. It has been suggested that both lt9a and lt9b are produced from the precursor encoded by the gene Lt9.1. During the conotoxin maturation process, different post-translational modifications occurred between lt9a and lt9b. Conotoxin lt9b was predicted to have two prolines that underwent hydroxylation and one glutamate that underwent carboxylation, while lt9a had no hydroxyproline and carboxyglutamate residue...
May 19, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28533063/photosynthetic-bacteria-based-membrane-bioreactor-as-post-treatment-of-an-anaerobic-membrane-bioreactor-effluent
#20
E González, O Díaz, I Ruigómez, C R de Vera, L E Rodríguez-Gómez, J Rodríguez-Sevilla, L Vera
Anaerobic membrane bioreactors have attracted increasing interest in the field of wastewater treatment. However, significant amounts of organic matter, nitrogen and sulphide in the effluent may limit its reuse. A photosynthetic bacteria-based membrane bioreactor is proposed for the further treatment of this effluent. A pilot-scale unit was run outdoor for over 900h to assess the process performance at short hydraulic retention time. After an initial biomass development, simultaneous removal of soluble organic matter and nitrogen was achieved (65% and 39%, respectively)...
May 10, 2017: Bioresource Technology
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