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https://www.readbyqxmd.com/read/28813029/joint-mobile-data-collection-and-wireless-energy-transfer-in-wireless-rechargeable-sensor-networks
#1
Ping Zhong, Ya-Ting Li, Wei-Rong Liu, Gui-Hua Duan, Ying-Wen Chen, Neal Xiong
In wireless rechargeable sensor networks (WRSNs), there is a way to use mobile vehicles to charge node and collect data. It is a rational pattern to use two types of vehicles, one is for energy charging, and the other is for data collecting. These two types of vehicles, data collection vehicles (DCVs) and wireless charging vehicles (WCVs), are employed to achieve high efficiency in both data gathering and energy consumption. To handle the complex scheduling problem of multiple vehicles in large-scale networks, a twice-partition algorithm based on center points is proposed to divide the network into several parts...
August 16, 2017: Sensors
https://www.readbyqxmd.com/read/28812361/ultrasensitive-and-accurate-assay-of-human-methyltransferase-activity-at-the-single-cell-level-based-on-a-single-integrated-magnetic-microprobe
#2
Haiyan Zhao, Lei Wang, Weiqi Li, Shumei Zhai, Wei Jiang
Human DNA methyltransferase (MTase) activity expression patterns and inhibition response are linked to related cancer initiation, progression and therapeutic responses. Sensitive and accurate human MTase activity assay in cancer cells, especially at the single-cell level, is essential for biological study, clinical diagnosis and therapy. Here, we developed an ultrasensitive and accurate DNA (cytosine-5)-methyltransferase 1 (Dnmt1) activity assay at the single-cell level based on a single integrated magnetic microprobe of functionalized double-stranded DNA (dsDNA) anchored to a single magnetic microbead surface...
August 16, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28810771/switching-dynamics-in-cholesteric-liquid-crystal-emulsions
#3
F Fadda, G Gonnella, D Marenduzzo, E Orlandini, A Tiribocchi
In this work we numerically study the switching dynamics of a 2D cholesteric emulsion droplet immersed in an isotropic fluid under an electric field, which is either uniform or rotating with constant speed. The overall dynamics depend strongly on the magnitude and on the direction (with respect to the cholesteric axis) of the applied field, on the anchoring of the director at the droplet surface and on the elasticity. If the surface anchoring is homeotropic and a uniform field is parallel to the cholesteric axis, the director undergoes deep elastic deformations and the droplet typically gets stuck into metastable states which are rich in topological defects...
August 14, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28809417/co9s8-nanoparticles-anchored-on-nitrogen-and-sulfur-dual-doped-carbon-nanosheets-as-highly-efficient-bifunctional-electrocatalyst-for-oxygen-evolution-and-reduction-reactions
#4
Can Wu, Yuhang Zhang, Duo Dong, Haiming Xie, Jinghong Li
To promote the practical application of electrochemical energy storage and conversion systems, nonprecious electrocatalysts of low cost and with highly efficient performance in oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) are highly desired. In this work, a cubic sodium chloride (NaCl) crystal-templated strategy is proposed for coupling Co9S8 nanoparticles to nitrogen- and sulfur-doped carbon nanosheets (Co9S8/N,S-CNS) by facile pyrolysis. The nitrogen and sulfur dual-doped carbon nanosheets can effectively prevent the aggregation of Co9S8 nanoparticles and greatly improve the conductivity of the hybrid structure...
August 15, 2017: Nanoscale
https://www.readbyqxmd.com/read/28809107/synthesis-and-insecticidal-activity-of-enzyme-triggered-functionalized-hollow-mesoporous-silica-for-controlled-release
#5
Amir Esmat Kaziem, Yunhao Gao, Shun He, Jianhong Li
In the present study, enzymatic responsive controlled release formulations (CRFs) were fabricated. The CRFs were achieved by anchoring mechanically interlocked molecules using α-cyclodextrin onto the surface pore rims of hollow mesoporous silica (HMS). The CRFs were characterized using Fourier transform infrared spectroscopy, scanning electron microscope, transmission electron microscope, and thermogravimetric analysis. The results showed that the CRFs had extraordinary loading ability for chlorantraniliprole (42% w/w) and could effectively preserve chlorantraniliprole against degradation under thermal conditions and UV radiation...
August 15, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28808835/carbazole-substituted-bodipys-synthesis-computational-electrochemical-and-dssc-studies
#6
Praseetha E Kesavan, Raghu Nath Behera, Shigeki Mori, Iti Gupta
Carbazole and p-anisyl substituted BODIPY dyes with a cyanoacetic acid anchoring group have been prepared and their spectral, electrochemical properties and photosensitizing potential in DSSC have been evaluated. X-ray structure of N-phenylcarbazole substituted BODIPY revealed lower torsion angle between BODIPY plane and carbazole plane, suggesting increased communication between the two units. DFT studies indicated effective electronic interactions between the BODIPY unit and carbazole substituents. The N-butylcarbazole and N-phenylcarbazole substituted BODIPYs showed anodic shifts in their reduction potentials, indicating facile reduction process...
August 14, 2017: Journal of Fluorescence
https://www.readbyqxmd.com/read/28808273/financial-fluctuations-anchored-to-economic-fundamentals-a-mesoscopic-network-approach
#7
Kiran Sharma, Balagopal Gopalakrishnan, Anindya S Chakrabarti, Anirban Chakraborti
We demonstrate the existence of an empirical linkage between nominal financial networks and the underlying economic fundamentals, across countries. We construct the nominal return correlation networks from daily data to encapsulate sector-level dynamics and infer the relative importance of the sectors in the nominal network through measures of centrality and clustering algorithms. Eigenvector centrality robustly identifies the backbone of the minimum spanning tree defined on the return networks as well as the primary cluster in the multidimensional scaling map...
August 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28807980/cd177-modulates-human-neutrophil-migration-through-activation-mediated-integrin-and-chemoreceptor-regulation
#8
Ming Bai, Ricardo Grieshaber-Bouyer, Junxia Wang, Angela B Schmider, Zachary S Wilson, Liling Zeng, Olha Halyabar, Matthew D Godin, Hung N Nguyen, Anaïs Levescot, Pierre Cunin, Craig T Lefort, Roy J Soberman, Peter A Nigrovic
CD177 is a GPI-anchored protein expressed by a variable proportion of human neutrophils that mediates surface expression of the anti-neutrophil cytoplasmic antibody (ANCA) antigen proteinase 3. CD177 associates with β2 integrins and recognizes PECAM-1, suggesting a role in neutrophil migration. However, CD177(pos) neutrophils exhibit no clear migratory advantage in vivo, despite interruption of transendothelial migration by in vitro CD177 ligation. We sought to understand this paradox. Using a PECAM-1-independent transwell system, we found that CD177(pos) and CD177(neg) neutrophils migrated comparably...
August 14, 2017: Blood
https://www.readbyqxmd.com/read/28802848/structure-and-intracellular-antioxidant-activity-of-pectic-polysaccharide-from-acerola-malpighia-emarginata
#9
Rafael Roberto Klosterhoff, Juliana Müller Bark, Nícolas Manzke Glänzel, Marcello Iacomini, Gláucia Regina Martinez, Sheila M B Winnischofer, Lucimara M C Cordeiro
Malpighia emarginata is a tropical fruit plant, found naturally in the Caribbean islands and South America that produces an edible fruit known as acerola or Barbados Cherry. Its polysaccharides were obtained by aqueous extraction, subjected to a freezing and thawing process and ultrafiltration. A homogeneous fraction (ACWS-01E) was analyzed by sugar composition, HPSEC, methylation and NMR spectroscopy analyses. The results showed an arabinan-rich pectic polysaccharide, with 6.1×10(4)g/mol and formed mainly by a high methyl esterified (DM=86%) homogalacturonan and branched arabinan...
August 9, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28802440/debiasing-visual-pilots-weather-related-decision-making
#10
Stephen Walmsley, Andrew Gilbey
Pilots who decide to continue a flight into deteriorating weather conditions, rather than turn back or divert, are a significant cause of fatal crashes in general aviation. Earlier research has suggested that cognitive biases such as the anchoring effect and confirmation bias are implicated in many decisions to continue into worsening weather. In this study, we explored whether a simple debiasing technique, 'considering the alternative', reduced the effect of these two potentially fatal biases. Despite the study being adequately powered, our attempts to reduce the effects of biases were both unsuccessful...
November 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28802103/where-you-are-affects-what-you-can-easily-imagines-environmental-geometry-elicits-sensorimotor-interference-in-remote-perspective-taking
#11
Bernhard E Riecke, Timothy P McNamara
Imagined perspective switches are notoriously difficult, a fact often ascribed to sensorimotor interference between one's to-be-imagined versus actual orientation. Here, we demonstrate similar interference effects, even if participants know they are in a remote environment with unknown spatial relation to the learning environment. Participants learned 15 target objects irregularly arranged in an office from one orientation (0°, 120°, or 240°). Participants were blindfolded and disoriented before being wheeled to a test room of similar geometry (exp...
August 9, 2017: Cognition
https://www.readbyqxmd.com/read/28801396/the-sims-trial-adjustable-anchored-single-incision-mini-slings-versus-standard-tension-free-midurethral-slings-in-the-surgical-management-of-female-stress-urinary-incontinence-a-study-protocol-for-a-pragmatic-multicentre-non-inferiority-randomised-controlled
#12
Mohamed Abdel-Fattah, Graeme MacLennan, Mary Kilonzo, R Phil Assassa, Kirsty McCormick, Tracey Davidson, Alison McDonald, James N'Dow, Judith Wardle, John Norrie
INTRODUCTION: Single-incision mini-slings (SIMS) represent the third generation of midurethral slings. They have been developed with the aim of offering a true ambulatory procedure for treatment of female stress urinary incontinence (SUI) with reduced morbidity and earlier recovery while maintaining similar efficacy to standard midurethral slings (SMUS). The aim of this study is to determine the clinical and cost-effectiveness of adjustable anchored SIMS compared with tension-free SMUS in the surgical management of female SUI, with 3-year follow-up...
August 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/28800694/variability-drivers-and-effects-of-atmospheric-nitrogen-inputs-across-an-urban-area-emerging-patterns-among-human-activities-the-atmosphere-and-soils
#13
Stephen M Decina, Pamela H Templer, Lucy R Hutyra, Conor K Gately, Preeti Rao
Atmospheric deposition of nitrogen (N) is a major input of N to the biosphere and is elevated beyond preindustrial levels throughout many ecosystems. Deposition monitoring networks in the United States generally avoid urban areas in order to capture regional patterns of N deposition, and studies measuring N deposition in cities usually include only one or two urban sites in an urban-rural comparison or as an anchor along an urban-to-rural gradient. Describing patterns and drivers of atmospheric N inputs is crucial for understanding the effects of N deposition; however, little is known about the variability and drivers of atmospheric N inputs or their effects on soil biogeochemistry within urban ecosystems...
August 7, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28797844/pd-1-pd-l1-blockade-enhances-the-efficacy-of-sa-gm-csf-surface-modified-tumor-vaccine-in-prostate-cancer
#14
Xiaojun Shi, Xinji Zhang, Jinlong Li, Hongfan Zhao, Lijun Mo, Xianghua Shi, Zhiming Hu, Jimin Gao, Wanlong Tan
Program death receptor-1 (PD-1)/program death ligand 1 (PD-L1) signaling plays an important role in tumor adaptive immune resistance. The streptavidin-granulocyte-macrophage colony stimulating factor (SA-GM-CSF) surface-modified tumor cells vaccine developed through our novel protein-anchor technology could significantly promote the activation of dendritic cells. Although GM-CSF vaccine could significantly increase the number of tumor-specific CD8(+)T-cells, the majority of these CD8(+)T-cells expressed PD-1...
August 8, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28795180/dual-responsive-deformation-of-a-crosslinked-liquid-crystal-polymer-film-with-complex-molecular-alignment
#15
Quan Liu, Yuanyuan Zhan, Jia Wei, Wei Ji, Wei Hu, Yanlei Yu
Crosslinked liquid crystal polymers (CLCPs) containing azobenzene mesogens have been developed as stimuli-responsive materials, which can undergo photodeformation and thus convert light energy into mechanical force. The deformation behavior of CLCPs is strongly influenced by the alignment of the mesogens; however, a precise control of the alignment domain at micro-scale is still a challenge. Here we report complex molecular alignment in the CLCP film by using photoalignment technology. First, azo dye SD1 is aligned in-plane by UV light with a discrete alternating striped director profile...
August 10, 2017: Soft Matter
https://www.readbyqxmd.com/read/28793374/pain-assessment-by-emergency-nurses-at-triage-in-the-emergency-department-a-qualitative-study
#16
Marilène Vuille, Maryline Foerster, Eliane Foucault, Olivier Hugli
AIM: To investigate the assessment of pain intensity in the specific context of triage. BACKGROUND: Acute pain affects most patients admitted in emergency departments (ED) but pain relief in this setting remains insufficient. Evaluation of pain and its treatment at the time of patient triage expedites the administration of analgesia, but may be awkward at this time-pressured moment. The assessment of pain intensity by a validated pain scale is a critical initial step, and a patient's self-reporting is widely considered as the key to effective pain management...
August 9, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28782654/mir-485-5p-modulates-mitochondrial-fission-through-targeting-mitochondrial-anchored-protein-ligase-in-cardiac-hypertrophy
#17
Yanfang Zhao, Murugavel Ponnusamy, Cuiyun Liu, Jing Tian, Yanhan Dong, Jinning Gao, Chaoqun Wang, Yuan Zhang, Lei Zhang, Kun Wang, Peifeng Li
The pathogenesis of cardiac hypertrophy is tightly associated with mitochondrial dysfunction. Disequilibrium of mitochondrial dynamic is one of the main drivers in the pathological processes during development of various cardiac diseases. However, the effect of mitochondrial dynamics on cardiac hypertrophy remains largely unclear. MicroRNAs (miRNAs) are small noncoding RNAs that can switch off expression of many genes. Mitochondrial anchored protein ligase (MAPL) is a small ubiquitin-like modifier (SUMO) E3 ligase, which is an important contributor in mitochondrial fission process...
August 4, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28780333/non-light-driven-reduced-graphene-oxide-anchored-tio2-nanocatalysts-with-enhanced-catalytic-oxidation-performance
#18
Henan Li, Mingyue Zhu, Wei Chen, Li Xu, Kun Wang
As a single-atom-thick carbon material with high surface and good conductivity, graphene provides an ideal platform for designing composite nanomaterials for high-performance catalytic system. Herein, we obtained a TiO2-reduced graphene oxide nanocomposite (TiO2-RGO) with graphene oxide and tetrabutyl titanate using a facile in situ hydrothermal method. The merit of this method is that the nanocomposites could be produced directly from graphene oxide in the hydrothermal reaction, where the reduction of graphene oxide and the decoration of TiO2 occurred simultaneously...
July 29, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28776985/amphiphile-mediated-ultrasmall-aggregation-induced-emission-dots-for-ultrasensitive-fluorescence-biosensing
#19
Haiyin Li, Chuanfeng Wang, Ting Hou, Feng Li
The development of ultrasensitive and highly selective fluorescence biosensors for diverse analytes is highly desirable but remains a challenge. It is attributable to the scarcity of fluorogens with promising brightness, stability and nontoxicity, which primarily determine the performance of fluorescence biosensors. Herein, we report the design and preparation of aggregation induced emission (AIE) dots with high brightness, exceptional colloidal stability, ultrasmall size, and functional groups for developing ultrasensitive biosensor through the electrostatic conjugation to biological molecules, and use blemycin (BLM) as the proof-of-concept analyte...
August 4, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28772574/laser-surface-microstructuring-of-biocompatible-materials-using-a-microlens-array-and-the-talbot-effect-evaluation-of-the-cell-adhesion
#20
María Aymerich, Daniel Nieto, Ezequiel Álvarez, María T Flores-Arias
A laser based technique for microstructuring titanium and tantalum substrates using the Talbot effect and an array of microlenses is presented. By using this hybrid technique; we are able to generate different patterns and geometries on the top surfaces of the biomaterials. The Talbot effect allows us to rapidly make microstructuring, solving the common problems of using microlenses for multipatterning; where the material expelled during the ablation of biomaterials damages the microlens. The Talbot effect permits us to increase the working distance and reduce the period of the patterns...
February 22, 2017: Materials
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