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https://www.readbyqxmd.com/read/29786966/controlled-selectivity-of-co-2-reduction-on-copper-by-pulsing-the-electrochemical-potential
#1
Kevin W Kimura, Kevin E Fritz, Jiyoon Kim, Jin Suntivich, Héctor D Abruña, Tobias Hanrath
We demonstrate a simple strategy to enhance the CO2 reduction reaction (CO2 RR) selectivity by applying a pulsed electrochemical potential to a polycrystalline copper electrode. By controlling the pulse duration, we show that the hydrogen evolution reaction (HER) is highly suppressed to a fraction of the original value (<5 % faradaic efficiency) and selectivity for the CO2 RR dramatically improves (>75 % CH4 and >50 % CO faradaic efficiency). We attribute the improved CO2 RR selectivity to a dynamically rearranging surface coverage of hydrogen and intermediate species during the pulsing...
May 22, 2018: ChemSusChem
https://www.readbyqxmd.com/read/29786949/the-qsofa-score-a-simple-and-accurate-predictor-of-outcomes-in-patients-with-glyphosate-herbicide-poisoning
#2
Yongsoo Cho, Byeongjo Chun, Jeongmi Moon
This study aimed to investigate whether the quick Sequential Organ Failure Assessment (qSOFA) score at emergency department (ED) presentation can help improve the risk assessment of glyphosate-surfactant herbicide (GlySH) poisoning complications. A total of 150 patients presenting with acute glyphosate herbicide ingestion were enrolled in this retrospective observational study. The qSOFA scores at presentation, ΔqSOFA (calculated by subtracting the worst qSOFA score from 1 hr after admission from the qSOFA score at presentation), baseline characteristics, clinical courses and outcomes were collected and analysed...
May 22, 2018: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29786863/acute-ammonia-toxicity-to-the-larvae-glochidia-of-the-tropical-australian-freshwater-mussel-velesunio-spp-using-a-modified-toxicity-test-protocol
#3
Linda S Kleinhenz, Melanie A Trenfield, Thomas J Mooney, Christopher L Humphrey, Rick A van Dam, Dayanthi Nugegoda, Andrew J Harford
Ammonia is recognised as a major pollutant worldwide, originating from natural and anthropogenic sources. Studies have reported that freshwater mussels are amongst the most sensitive taxa to ammonia, but there is a lack of data available on ammonia toxicity for the early life stages of freshwater mussels from tropical regions. This paper reports the modification of a 24-h acute toxicity test protocol for tropical freshwater mussels and application of the test using ammonia. Velesunio spp. from three different sites were used to assess the toxicity of ammonia at a targeted pH of 6...
May 22, 2018: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/29786854/muffins-elaborated-with-optimized-monoglycerides-oleogels-from-solid-fat-replacer-obtention-to-product-quality-evaluation
#4
Anabella S Giacomozzi, María E Carrín, Camila A Palla
This study demonstrates the effectiveness of using oleogels from high oleic sunflower oil (HOSO) and monoglycerides as solid fat replacers in a sweet bakery product. Firstly, a methodology to obtain oleogels with desired properties based on mathematical models able to describe relationships between process and product characteristics variables followed by multi-objective optimization was applied. Later, muffins were prepared with the optimized oleogels and their physicochemical and textural properties were compared with those of muffins formulated using a commercial margarine (Control) or only HOSO...
May 22, 2018: Journal of Food Science
https://www.readbyqxmd.com/read/29786850/plasticizers-and-bpa-residues-in-tunisian-and-italian-culinary-herbs-and-spices
#5
Giuseppa Di Bella, Hedi Ben Mansour, Asma Ben Tekaya, Asma Beltifa, Angela Giorgia Potortì, Emanuele Saiya, Giovanni Bartolomeo, Giacomo Dugo, Vincenzo Lo Turco
In the present study, 18 plasticizers and residues in 10 different Tunisian and Italian culinary herbs and spices (black pepper, mint, caraway, coriander, oregano, rosemary, thyme, fennel, verbena, and laurel) were determined by GC/MS. Di-methylphthalate, di-(2-methylpropyl)adipate, di-n-butyladipate, di-propylphthalate, benzylbenzoate, di-phenylphthalate, and bisphenol A were lower than their LOQ in all 118 samples. Among the Tunisian samples, di-(2-ethylhexyl)phthalate was found in all types of samples and di-butylphthalate in 50% of types; all other phthalates were rarely dectected...
May 22, 2018: Journal of Food Science
https://www.readbyqxmd.com/read/29786844/effect-of-meat-type-animal-fatty-acid-composition-and-isothermal-temperature-on-the-viscoelastic-properties-of-meat-batters
#6
Seline Glorieux, Liselot Steen, Jos De Brabanter, Imogen Foubert, Ilse Fraeye
The aim of this research was to simultaneously study the effect of meat type (chicken breast and leg meat), animal fatty acid composition (selected pork backfats having a low and high degree of saturation, respectively), and isothermal temperature (50, 60, 70, and 80 °C) on the viscoelastic properties of meat batters during and after application of different time-temperature profiles. Gelation of meat proteins contributed most to the viscoelastic properties of meat batters during heating, whereas crystallization of the lipids especially contributed to the viscoelastic properties during the cooling phase...
May 22, 2018: Journal of Food Science
https://www.readbyqxmd.com/read/29786840/spray-drying-of-milk-blackberry-pulp-mixture-effect-of-carrier-agent-on-the-physical-properties-of-powder-water-sorption-and-glass-transition-temperature
#7
Matheus Boeira Braga, Sandra Cristina Dos Santos Rocha, Miriam Dupas Hubinger
Spray dryer was used to produce particles from a milk-blackberry pulp mixture (25%:75% (w/w)). Maltodextrin 10DE and 20DE and gum Arabic were used as adjuvants in order to improve powder quality. The particles were analyzed with emphasis on physical and physicochemical characteristics: moisture content, bulk density, particle size, morphology, water activity, anthocyanins retention, anthocyanins content, hygroscopicity, solubility, water sorption, and glass transition temperature. The best results were obtained for the paste composition of 25% concentrated milk-70% blackberry pulp-5% gum Arabic, yielding high anthocyanins retention (>87...
May 22, 2018: Journal of Food Science
https://www.readbyqxmd.com/read/29786814/predictive-value-of-preoperative-neutrophil-to-lymphocyte-ratio-while-detecting-bowel-resection-in-hernia-with-intestinal-incarceration
#8
Hande Köksal, Derviş Ateş, Emet Ebru Nazik, İlknur Küçükosmanoğlu, Serap Melek Doğan, Osman Doğru
BACKGROUND: The aim of this study was to evaluate the relationship between preoperative hematological inflammatory markers of the patients who underwent a surgery for incarcerated hernia and intestinal resection requirement. METHODS: The data of 102 patients who underwent a surgery for incarcerated hernia were retrospectively evaluated. Whole blood cell counts were preoperatively measured, and operation types and pathology results were recorded. The patients with intestinal resections were compared with those without any resection in terms of leukocyte number, neutrophil rate, red cell distribution width (RDW), platelet distribution width, neutrophil-to lymphocyte ratio (NLR), platelet to lymphocyte ratio (PLR), and mean platelet volume (MPV)...
May 2018: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/29786789/protocols-for-tissue-microarrays-in-prostate-cancer-studies
#9
Tatjana Vlajnic, Serenella Eppenberger-Castori, Lukas Bubendorf
Tissue microarray (TMA) technology is a method for high-throughput analysis of tissue biomarkers, commonly used in translational cancer research. TMAs allow performing a variety of in situ applications on hundreds of tissue samples simultaneously using the same protocols as for conventional slides. Thereby, precious material from patient samples remains largely preserved while costs in resources and time in laboratory processing decrease. Therefore, a TMA is a powerful tool to identify and study biomarkers that may have a potential diagnostic, prognostic, and predictive value...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29786732/unusually-low-thermal-conductivity-of-atomically-thin-2d-tellurium
#10
Zhibin Gao, Fang Tao, Jie Ren
Tellurium is a high-performance thermoelectric material due to its superior electronic transport and low lattice thermal conductivity (κL). Here, we report the ultralow κL in the monolayer tellurium, i.e., tellurene, which has been successfully synthesized in recent experiments. We find that tellurene has a compellingly low room temperature κL of 2.16 and 4.08 W m-1 K-1 along the armchair and zigzag directions, respectively, which is lower than any reported values for other 2D materials. We attribute this unusually low κL to the soft acoustic modes, the extremely low-energy optical modes and the strong scattering among optical-acoustic phonons, which place tellurene as a potential novel thermoelectric material...
May 22, 2018: Nanoscale
https://www.readbyqxmd.com/read/29786722/an-urchin-like-mgco-2-o-4-ppy-core-shell-composite-grown-on-ni-foam-for-a-high-performance-all-solid-state-asymmetric-supercapacitor
#11
Haiwen Gao, Xiaohong Wang, Ganghu Wang, Chen Hao, Saisai Zhou, Chengxiang Huang
In recent years, the electrochemical properties of supercapacitors have been greatly improved due to continuous improvement in their composite materials. In this study, an urchin-like MgCo2O4@PPy/NF (MgCo2O4@polypyrrole/Ni foam) core-shell structure composite material was successfully developed as an electrode for supercapacitors. The MCP-2 composite material, obtained by a hydrothermal method and in situ chemical oxidative polymerization, shows a high specific capacitance of 1079.6 F g-1 at a current density of 1 A g-1, which is much higher than that of MC (783...
May 22, 2018: Nanoscale
https://www.readbyqxmd.com/read/29786659/deep-learning-to-predict-falls-in-older-adults-based-on-daily-life-trunk-accelerometry
#12
REVIEW
Ahmed Nait Aicha, Gwenn Englebienne, Kimberley S van Schooten, Mirjam Pijnappels, Ben Kröse
Early detection of high fall risk is an essential component of fall prevention in older adults. Wearable sensors can provide valuable insight into daily-life activities; biomechanical features extracted from such inertial data have been shown to be of added value for the assessment of fall risk. Body-worn sensors such as accelerometers can provide valuable insight into fall risk. Currently, biomechanical features derived from accelerometer data are used for the assessment of fall risk. Here, we studied whether deep learning methods from machine learning are suited to automatically derive features from raw accelerometer data that assess fall risk...
May 22, 2018: Sensors
https://www.readbyqxmd.com/read/29786628/influence-of-team-s-rank-on-soccer-referees-external-and-internal-match-loads-during-official-matches
#13
Daniel Castillo, Carlo Castagna, Jesús Cámara, Aitor Iturricastillo, Javier Yanci
Castillo, D, Castagna, C, Cámara, J, Iturricastillo, A, and Yanci, J. Influence of team's rank on soccer referees' external and internal match loads during official matches. J Strength Cond Res 32(6): 1715-1722, 2018-The aim was to examine the external and the internal match loads (ML) of field referees (FRs) attending teams of different ranking during championship matches. Twenty FR who officiated in 30 official soccer matches (30 observations) participated in our study. The criteria for allocating the soccer referees' ML results were based on the teams' final league positions as follows: matches performed by Top 10 teams (TOP10), matches performed by bottom 10 teams (BOT10), and matches played among TOP10 and BOT10 teams (MIXED)...
June 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29786620/the-effect-of-bottom-electrode-on-ferroelectric-tunnel-junctions-based-on-cmos-compatible-hfo2
#14
Youngin Goh, Sanghun Jeon
Ferroelectric tunnel junctions (FTJs) have attracted research interest as promising candidates for non-destructive readout non-volatile memories. Unlike conventional perovskite FTJs, hafnia FTJ offers many advantages in terms of scalability and CMOS compatibility. However, so far, hafnia FTJ has shown poor endurance and relatively low resistance ratio and these have remained the issue for real device applications. In our study, we fabricated HfZrO-based FTJ with various electrodes (TiN, Si, SiGe, Ge) and improved the memory performance of HfZrO-based FTJ by using the asymmetry of the charge screening lengths of the electrodes...
May 22, 2018: Nanotechnology
https://www.readbyqxmd.com/read/29786613/biophysics-of-membrane-curvature-remodeling-at-molecular-and-mesoscopic-lengthscales
#15
Natesan Ramakrishnan, Ryan P Bradley, Richard W Tourdot, Ravi Radhakrishnan
At the micron scale, where cell organelles display an amazing complexity in their shape and organization, the physical properties of a biological membrane can be better-understood using continuum models subject to thermal (stochastic) undulations. Yet, the chief orchestrators of these complex and intriguing shapes are a specialized class of membrane associating often peripheral proteins called curvature remodeling proteins (CRPs) that operate at the molecular level through specific protein-lipid interactions...
May 22, 2018: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/29786578/-influence-of-basic-dental-materials-on-indicators-of-free-radical-oxidation-and-antioxidant-blood-s-potential-of-white-rats-experimental-study
#16
Vitalii S Kuz, Valentyn N Dvornyk, Vitalii A Kostenko, Gelfira M Kuz, Oleh Ye Akimov
OBJECTIVE: Introduction: Basic materials used in the clinic of orthopedic dentistry are high-polymer compounds and have a number of positive properties in certain conditions. The main group of materials for manufacturing of removable dentures is acrylic plastics of hot polymerization. However, such materials can sometimes cause a number of complications. Using removable prostheses, which are made of acrylic plastics can cause the development of an allergic or toxic-chemical reaction of tissues of the prosthetic bed...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29786522/a-survey-of-experiences-of-uk-cattle-and-sheep-farmers-with-anthelmintic-prescribers-are-best-practice-principles-being-deployed-at-farm-level
#17
Easton Stephanie, L Pinchbeck Gina, J Bartley David, E Hodgkinson Jane, B Matthews Jacqueline
Helminths are common pathogens of ruminants. These are controlled by anthelmintics; however, resistance is a major issue. More sustainable practices need to be deployed to protect anthelmintic efficacy. There is no published information on how farmer/prescriber interactions at anthelmintic purchase shape application of best practice on-farm. To determine experiences of UK ruminant farmers as they relate to anthelmintic purchasing/provision of best practice advice at the point-of-sale, an online survey was distributed...
July 1, 2018: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/29786495/occupational-moral-injury-and-mental-health-systematic-review-and-meta-analysis
#18
Victoria Williamson, Sharon A M Stevelink, Neil Greenberg
BACKGROUND: Many people confront potentially morally injurious experiences (PMIEs) in the course of their work which can violate deeply held moral values or beliefs, putting them at risk for psychological difficulties (e.g. post-traumatic stress disorder (PTSD), depression, etc.).AimsWe aimed to assess the effect of moral injury on mental health outcomes. METHOD: We conducted a systematic review and meta-analysis to assess the association between work-related PMIEs and mental health disorders...
June 2018: British Journal of Psychiatry: the Journal of Mental Science
https://www.readbyqxmd.com/read/29786490/gallium-68-psma-11-pet-mr-imaging-in-patients-with-intermediate-or-high-risk-prostate-cancer
#19
Sonya Youngju Park, Claudia Zacharias, Caitlyn Harrison, Richard E Fan, Christian Kunder, Negin Hatami, Frederik Giesel, Pejman Ghanouni, Bruce Daniel, Andreas M Loening, Geoffrey A Sonn, Andrei Iagaru
Purpose To report the results of dual-time-point gallium 68 (68 Ga) prostate-specific membrane antigen (PSMA)-11 positron emission tomography (PET)/magnetic resonance (MR) imaging prior to prostatectomy in patients with intermediate- or high-risk cancer. Materials and Methods Thirty-three men who underwent conventional imaging as clinically indicated and who were scheduled for radical prostatectomy with pelvic lymph node dissection were recruited for this study. A mean dose of 4.1 mCi ± 0.7 (151.7 MBq ± 25...
May 16, 2018: Radiology
https://www.readbyqxmd.com/read/29786464/what-can-we-learn-from-diffusion-tensor-imaging-from-a-large-traumatic-brain-injury-cohort-white-matter-integrity-and-its-relationship-with-outcome
#20
Ana M Castaño-Leon, Marta Cicuendez, Blanca Navarro, Pablo M Munarriz, Santiago Cepeda, Igor Paredes, Amaya Hilario, Ana Ramos, Pedro Antonio Gomez, Alfonso Lagares
Traumatic axonal injury (TAI) contributes significantly to mortality and morbidity after traumatic brain injury (TBI) but its identification is still a diagnostic challenge because of the limitations of conventional imaging techniques to characterized it. Diffusion tensor imaging (DTI) can indirectly identify areas of damaged white matter (WM) integrity by detecting water molecules diffusion alterations. Therefore, DTI may improve detection and description of TAI lesions after TBI. We have obtained DTI data from 217 patients with moderate to severe TBI acquired at median 19 days after TBI were and patient DTI metrics were compared with data obtained from 58 age-matched healthy controls...
May 22, 2018: Journal of Neurotrauma
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