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https://www.readbyqxmd.com/read/28812079/computational-evaluation-of-aluminophosphate-zeotypes-for-co2-n2-separation
#1
Michael Fischer
Zeolites and structurally related materials (zeotypes) have received considerable attention as potential adsorbents for selective carbon dioxide adsorption. Within this group, zeotypes with aluminophosphate composition (AlPOs) could be an interesting alternative to the more frequently studied aluminosilicate zeolites. So far, however, only a few AlPOs have been characterised experimentally in terms of their CO2 adsorption properties. In this study, force-field based grand-canonical Monte Carlo (GCMC) simulations were used to evaluate the potential of AlPOs for CO2/N2 separation, a binary mixture that constitutes a suitable model system for the removal of carbon dioxide from flue gases...
August 16, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28811516/q-factor-enhancement-of-fano-resonance-in-all-dielectric-metasurfaces-by-modulating-meta-atom-interactions
#2
Guanghou Sun, Lierong Yuan, Yi Zhang, Xuejin Zhang, Yongyuan Zhu
We numerically investigated the effects of meta-atom interactions on the Fano resonance in all-dielectric metasurfaces by introducing alternately flipped asymmetric paired bars (APBs) and split asymmetric paired bars (SAPBs). With alternately flipped configurations, the Q-factor of the Fano resonance is significantly enhanced up to one order of magnitude, and the electric field is strengthened by more than twice. Abnormally, the Q-factor increases with gap size in the alternately flipped SAPBs. These are attributed to the destructive interaction among nearest-neighbor dipole resonators...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28811271/-am-i-normal-the-wishes-of-patients-with-lymphoma-to-compare-their-patient-reported-outcomes-with-those-of-their-peers
#3
Simone Oerlemans, Lindy P Arts, Nicole J Horevoorts, Lonneke V van de Poll-Franse
BACKGROUND: Providing feedback to patients on their patient-reported outcomes (PROs) can help patients in monitoring their functioning and symptoms and may help empower them. OBJECTIVE: The objective of this study was to investigate whether patients with lymphoma wished to receive PRO feedback, including the option to compare their scores with those of their peers, and how this feedback was evaluated. METHODS: We invited 64 patients participating in a lymphoma cohort who were eligible for a follow-up questionnaire and gave them the option to receive PRO feedback...
August 15, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28811261/mechanosensing-from-proteins-to-tissues
#4
EDITORIAL
Ronen Zaidel Bar
No abstract text is available yet for this article.
August 12, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28811019/introducing-a-new-and-rapid-microextraction-approach-based-on-magnetic-ionic-liquids-stir-bar-dispersive-liquid-microextraction
#5
Alberto Chisvert, Juan L Benedé, Jared L Anderson, Stephen A Pierson, Amparo Salvador
With the aim of contributing to the development and improvement of microextraction techniques, a novel approach combining the principles and advantages of stir bar sorptive extraction (SBSE) and dispersive liquid-liquid microextraction (DLLME) is presented. This new approach, termed stir bar dispersive liquid microextraction (SBDLME), involves the addition of a magnetic ionic liquid (MIL) and a neodymium-core magnetic stir bar into the sample allowing the MIL coat the stir bar due to physical forces (i.e., magnetism)...
August 29, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28810954/the-use-of-apremilast-to-treat-psoriasis-during-deployment
#6
Alexandra Rosenberg, Jon Meyerle
Psoriasis is a chronic immune-mediated dermatologic disorder affecting approximately 2% of the general population. Under current U.S. Army regulation, the diagnosis of psoriasis is a bar to enlistment or appointment and, if poorly controlled, is grounds for referral to a Medical Evaluation Board and potential discharge from military service, according to Army Regulation 40-501. However, between 2008 and 2015, over 3,600 soldiers sought care for psoriasis while deployed to combat theaters, indicating that psoriasis remains a significant medical concern in the U...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28810788/direct-measurement-of-site-specific-rates-of-reactions-of-h-with-c3h8-i-c4h10-and-n-c4h10
#7
Chia-Chieh Lin, Wei-Yu Chen, Hiroyuki Matsui, Niann-Shiah Wang
We measured the rates of abstraction of a hydrogen atom from specific sites in propane C3H8, 2-methyl propane (i-C4H10), and butane (n-C4H10); the sites are a primary hydrogen of C3H8 and i-C4H10 and a secondary hydrogen of n-C4H10. The excellent reproducibility of conditions of a diaphragm-less shock tube enabled us to conduct comparative measurements of the evolution of H atoms in three mixtures-(i) 0.5 ppm C2H5I + Ar, (ii) 0.5 ppm C2H5I + 50-100 ppm alkane as C3H8 or i-C4H10 or n-C4H10 + Ar, and (iii) the same concentrations of alkane + Ar without C2H5I-in the temperature range 1000-1200 K and at a pressure of 2...
August 14, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28810685/characterising-the-exposure-of-prison-staff-to-second-hand-tobacco-smoke
#8
Sean Semple, Helen Sweeting, Evangelia Demou, Greig Logan, Rachel O'Donnell, Kate Hunt
Second-hand tobacco smoke (SHS) is an avoidable and harmful exposure in the workplace but >25000 prison staff continue to be exposed on a daily basis in the UK and many more worldwide. SHS exposures in prisons are incompletely understood but may be considerable given the large proportion of smoking prisoners and limited ventilation. This study characterized the exposure of prison staff to SHS in all 15 prisons in Scotland using multiple methods. Exposure assessment strategies included 6-day area measurement of fine Particulate Matter (PM2...
August 1, 2017: Annals of Work Exposures and Health
https://www.readbyqxmd.com/read/28809531/highly-efficient-method-for-the-synthesis-of-activated-mesoporous-biocarbons-with-extremely-high-surface-area-for-high-pressure-co2-adsorption
#9
Gurwinder Singh, Kripal Singh Lakhi, In Young Kim, Sungho Kim, Prashant Srivastava, Ravi Naidu, Ajayan Vinu
A simple and efficient way to synthesize activated mesoporous biocarbons (AMBs) with extremely high BET surface area and large pore volume has been achieved for the first time through a simple solid state activation of freely available biomass, Arundo donax, with zinc chloride. The textural parameters of the AMB can easily be controlled by varying the activation temperature. It is demonstrated that the mesoporosity of AMB can be finely tuned with a simple adjustment of the amount of activating agent. AMB with almost 100% mesoporosity can be achieved using the activating agent and the biomass ratio of 5 and carbonization at 500 °C...
August 15, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28809100/porous-carbon-materials-based-on-graphdiyne-basis-units-by-the-incorporation-of-the-functional-groups-and-li-atoms-for-superior-co2-capture-and-sequestration
#10
Yong Dang, Wenyue Guo, Lianming Zhao, Houyu Zhu
Graphdiyne family has attracted a high degree of concern, because of its intriguing and promising properties. However, graphdiyne materials reported to date represent only a tiny fraction of the possible combinations. In this work, we demonstrate a computational approach to generate a series of conceivable graphdiyne-based frameworks (GDY-Rs and Li@GDY-Rs) by introducing a variety of functional groups (R = -NH2, -OH, -COOH, and -F) and doping metal (Li) in the molecular building blocks of graphdiyne without restriction of experimental conditions and rapidly screen the best candidates for the application of CO2 capture and sequestration (CCS)...
August 15, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28808685/structure-of-a-1-5-mda-adhesin-that-binds-its-antarctic-bacterium-to-diatoms-and-ice
#11
Shuaiqi Guo, Corey A Stevens, Tyler D R Vance, Luuk L C Olijve, Laurie A Graham, Robert L Campbell, Saeed R Yazdi, Carlos Escobedo, Maya Bar-Dolev, Victor Yashunsky, Ido Braslavsky, David N Langelaan, Steven P Smith, John S Allingham, Ilja K Voets, Peter L Davies
Bacterial adhesins are modular cell-surface proteins that mediate adherence to other cells, surfaces, and ligands. The Antarctic bacterium Marinomonas primoryensis uses a 1.5-MDa adhesin comprising over 130 domains to position it on ice at the top of the water column for better access to oxygen and nutrients. We have reconstructed this 0.6-μm-long adhesin using a "dissect and build" structural biology approach and have established complementary roles for its five distinct regions. Domains in region I (RI) tether the adhesin to the type I secretion machinery in the periplasm of the bacterium and pass it through the outer membrane...
August 2017: Science Advances
https://www.readbyqxmd.com/read/28808637/effects-of-air-abrasion-pressure-on-the-resin-bond-strength-to-zirconia-a-combined-cyclic-loading-and-thermocycling-aging-study
#12
Eman Z Al-Shehri, Afnan O Al-Zain, Alaa H Sabrah, Sarah S Al-Angari, Laila Al Dehailan, George J Eckert, Mutlu Özcan, Jeffrey A Platt, Marco C Bottino
OBJECTIVES: To determine the combined effect of fatigue cyclic loading and thermocycling (CLTC) on the shear bond strength (SBS) of a resin cement to zirconia surfaces that were previously air-abraded with aluminum oxide (Al2O3) particles at different pressures. MATERIALS AND METHODS: Seventy-two cuboid zirconia specimens were prepared and randomly assigned to 3 groups according to the air-abrasion pressures (1, 2, and 2.8 bar), and each group was further divided into 2 groups depending on aging parameters (n = 12)...
August 2017: Restorative Dentistry & Endodontics
https://www.readbyqxmd.com/read/28808136/eplant-visualizing-and-exploring-multiple-levels-of-data-for-hypothesis-generation-in-plant-biology
#13
Jamie Waese, Jim Fan, Asher Pasha, Hans Yu, Geoffrey Fucile, Ruian Shi, Matthew Cumming, Lawrence Kelley, Michael Sternberg, Vivek Krishnakumar, Erik Ferlanti, Jason Miller, Chris Town, Wolfgang Stuerzlinger, Nicholas J Provart
A big challenge in current systems biology research arises when different types of data must be accessed from separate sources and visualized using separate tools. The high cognitive load required to navigate such a workflow is detrimental to hypothesis generation. Accordingly, there is a need for a robust research platform that incorporates all data, and provides integrated search, analysis, and visualization features through a single portal. Here, we present ePlant (http://bar.utoronto.ca/eplant), a visual analytic tool for exploring multiple levels of Arabidopsis data through a zoomable user interface...
August 14, 2017: Plant Cell
https://www.readbyqxmd.com/read/28808031/changes-in-aggregation-states-of-light-harvesting-complexes-as-a-mechanism-for-modulating-energy-transfer-in-desert-crust-cyanobacteria
#14
Leeat Bar Eyal, Reza Ranjbar Choubeh, Eyal Cohen, Ido Eisenberg, Carmen Tamburu, Márta Dorogi, Renata Ünnep, Marie-Sousai Appavou, Reinat Nevo, Uri Raviv, Ziv Reich, Győző Garab, Herbert van Amerongen, Yossi Paltiel, Nir Keren
In this paper we propose an energy dissipation mechanism that is completely reliant on changes in the aggregation state of the phycobilisome light-harvesting antenna components. All photosynthetic organisms regulate the efficiency of excitation energy transfer (EET) to fit light energy supply to biochemical demands. Not many do this to the extent required of desert crust cyanobacteria. Following predawn dew deposition, they harvest light energy with maximum efficiency until desiccating in the early morning hours...
August 14, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28807935/function-of-the-hypobranchial-muscles-and-hyoidiomandibular-ligament-during-suction-capture-and-bite-processing-in-white-spotted-bamboo-sharks-chiloscyllium-plagiosum
#15
Jason B Ramsay, Cheryl D Wilga
Suction feeding in teleost fish is a power dependant behavior, requiring rapid and forceful expansion of the orobranchial cavity by the hypobranchial and trunk muscles. To increase power production for expansion, many species employ in-series tendons and catch mechanisms to store and release elastic strain energy. Suction feeding sharks such as Chiloscyllium plagiosum lack large in-series tendons on the hypobranchials, yet two of the hypobranchials, the coracohyoideus and coracoarcualis (CH, CA; hyoid depressors), are arranged in-series, and run deep and parallel to a third muscle, the coracomandibularis (CM, jaw depressor)...
August 14, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28806954/-usability-of-data-integration-and-visualization-software-for-multidisciplinary-pediatric-intensive-care-a-human-factors-approach-to-assessing-technology
#16
Ying Ling Lin, Anne-Marie Guerguerian, Jessica Tomasi, Peter Laussen, Patricia Trbovich
BACKGROUND: Intensive care clinicians use several sources of data in order to inform decision-making. We set out to evaluate a new interactive data integration platform called T3™ made available for pediatric intensive care. Three primary functions are supported: tracking of physiologic signals, displaying trajectory, and triggering decisions, by highlighting data or estimating risk of patient instability. We designed a human factors study to identify interface usability issues, to measure ease of use, and to describe interface features that may enable or hinder clinical tasks...
August 14, 2017: BMC Medical Informatics and Decision Making
https://www.readbyqxmd.com/read/28806752/the-escrt-iii-pathway-facilitates-cardiomyocyte-release-of-cbin1-containing-microparticles
#17
Bing Xu, Ying Fu, Yan Liu, Sosse Agvanian, Robert C Wirka, Rachel Baum, Kang Zhou, Robin M Shaw, TingTing Hong
Microparticles (MPs) are cell-cell communication vesicles derived from the cell surface plasma membrane, although they are not known to originate from cardiac ventricular muscle. In ventricular cardiomyocytes, the membrane deformation protein cardiac bridging integrator 1 (cBIN1 or BIN1+13+17) creates transverse-tubule (t-tubule) membrane microfolds, which facilitate ion channel trafficking and modulate local ionic concentrations. The microfold- generated microdomains continuously reorganize, adapting in response to stress to modulate the calcium signaling apparatus...
August 14, 2017: PLoS Biology
https://www.readbyqxmd.com/read/28806132/plight-of-the-pore-polar-bar-rier
#18
Jerod S Denton, Sujay V Kharade
No abstract text is available yet for this article.
August 14, 2017: Channels
https://www.readbyqxmd.com/read/28805429/the-effect-of-scopolamine-on-matching-behavior-and-the-estimation-of-relative-reward-magnitude
#19
Matthew I Leon, Vanessa Rodriguez-Barrera, Aldo Amaya
We investigated the behavioral effects of scopolamine on rats that bar pressed for trains of electrically stimulating pulses under concurrent variable interval schedules of reward. For the first half of the session (30 min) a 1:4 ratio in the programmed number of stimulation trains delivered at each option was in effect. At the start of the second half of the session, an unsignaled reversal in the relative train number (4:1) occurred. We tracked the relative magnitude of reward estimated for each contiguous pair of reinforced visits to competing options...
August 14, 2017: Behavioral Neuroscience
https://www.readbyqxmd.com/read/28805247/beauty-in-the-blink-of-an-eye-the-time-course-of-aesthetic-experiences
#20
San Verhavert, Johan Wagemans, M Dorothee Augustin
Under normal circumstances, perception runs very fast and seemingly automatic. In just a few ms, we go from sensory features to perceiving objects. This fast time course does not only apply to general perceptual aspects but also to what we call higher-level judgements. Inspired by the study on 'very first impressions' by Bar, Neta, and Linz (2006, Emotion, 6, 269) the current research examined the speed and time course of three aspects of the aesthetic experience, namely beauty, specialness, and impressiveness...
August 14, 2017: British Journal of Psychology
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