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https://www.readbyqxmd.com/read/29166710/-effects-of-hydrogen-on-the-lung-damage-of-mice-at-early-stage-of-severe-burn
#1
C Qin, Y X Bian, T T Feng, J H Zhang, Y H Yu
Objective: To investigate the effects of hydrogen on the lung damage of mice at early stage of severe burn. Methods: One hundred and sixty ICR mice were divided into sham injury, hydrogen, pure burn, and burn+ hydrogen groups according to the random number table, with 40 mice in each group. Mice in pure burn group and burn+ hydrogen group were inflicted with 40% total body surface area full-thickness scald (hereafter referred to as burn) on the back, while mice in sham injury group and hydrogen group were sham injured...
November 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/29165980/controlled-insertion-of-planar-defect-in-inverse-opals-for-anti-counterfeiting-applications
#2
Yongjoon Heo, Su Yeon Lee, Ji-Won Kim, Tae Yoon Jeon, Shin-Hyun Kim
Inverse opals have been used for structural coloration and photonic applications owing to their photonic bandgap properties. When the photonic structures contain planar defects, they provide defect modes, which are useful for lasing, sensing, and waveguiding. However, it remains a challenge to insert a planar defect into inverse opals in a reproducible manner. Here, we report a new method for producing planar-defect-inserted inverse opals using sequential capillary wetting of colloidal crystals and creating micropatterns through photolithography...
November 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29165848/ecological-disturbance-influences-adaptive-divergence-despite-high-gene-flow-in-golden-perch-macquaria-ambigua-implications-for-management-and-resilience-to-climate-change
#3
Catherine R M Attard, Chris J Brauer, Jonathan Sandoval-Castillo, Leanne K Faulks, Peter Unmack, Dean M Gilligan, Luciano B Beheregaray
Populations that are adaptively divergent but maintain high gene flow may have greater resilience to environmental change as gene flow allows the spread of alleles that have already been tested elsewhere. In addition, populations naturally subjected to ecological disturbance may already hold resilience to future environmental change. Confirming this necessitates ecological genomic studies of high dispersal, generalist species. Here we perform one such study on golden perch (Macquaria ambigua) in the Murray-Darling Basin (MDB), Australia using a genome-wide SNP dataset...
November 22, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/29165628/sex-differences-in-20-hydroxyecdysone-hormone-levels-control-sexual-dimorphism-in-bicyclus-anynana-wing-patterns
#4
S Bhardwaj, K L Prudic, A Bear, M D Gupta, B R Wasik, X Tong, W F Cheong, M R Wenk, A Monteiro
In contrast to the important role of hormones in the development of sexual traits in vertebrates (Cox, et al. 2009), the differentiation of these traits in insects is attributed almost exclusively to cell-autonomous mechanisms controlled by members of the sex determination pathway (Verhulst and van de Zande 2015), such as doublesex (dsx). Although hormones can shape the development of sexual traits in insects, variation in hormone levels are not conclusively known to cause dimorphism in these traits (Prakash and Monteiro 2016)...
November 20, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/29165490/reversibly-photo-switchable-wettability-of-stearic-acid-monolayer-modified-bismuth-based-micro-nanomaterials
#5
Hao Yang, Xiaojing Hu, Chunping Su, Yunling Liu, Rong Chen
In this work, we demonstrated a general approach to realize superhydrophobic-superhydrophilic reversible transition over hydrophilic bismuth-related micro-/nanomaterials. Different superhydrophobic bismuth-based micro-/nanomaterials, including BiOCOOH, Bi2O3, (BiO)2CO3 and BiOCl, were obtained by modification with stearic acid, regardless of their morphologies. The reversible wettability of the bismuth-related materials upon alternative UV-vis irradiation and dark storage were investigated via cyclic experiments...
November 22, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29165444/low-temperature-crystallization-of-solution-derived-metal-oxide-thin-films-assisted-by-chemical-processes
#6
Iñigo Bretos, Ricardo Jiménez, Jesús Ricote, M Lourdes Calzada
Over the last few years the efforts devoted to the research on low-temperature processing of metal oxide thin films have increased notably. This has enabled the direct integration of metal oxide layers (amorphous semiconductors) on low-melting-point polymeric substrates for flexible electronic systems, which adds to the economic and environmental benefits of the use of these processes with reduced energy consumption. More challenging is the preparation of crystalline complex oxide films at temperatures compatible with their direct integration in flexible devices...
November 22, 2017: Chemical Society Reviews
https://www.readbyqxmd.com/read/29164855/surface-passivation-and-supersaturation-strategies-for-regioselective-deposition-in-seeded-syntheses
#7
Alexander N Chen, Mattea M Scanlan, Sara E Skrabalak
Crystal growth theory predicts that heterogeneous nucleation will occur preferentially at defect sites, such as the vertices rather than the faces of shape-controlled seeds. Platonic metal solids are generally assumed to have vertices with nearly identical chemical potentials, and also nearly identical faces, leading to the useful generality that heterogeneous nucleation preserves the symmetry of the original seeds in the final product. Herein, we test the limits of this generality in the extreme of low supersaturation, in an effort to expand the methods available for inducing anisotropic overgrowth...
November 22, 2017: ACS Nano
https://www.readbyqxmd.com/read/29164668/ameliorative-effects-of-riboflavin-on-acetic-acid-induced-colonic-injury-in-rats
#8
Berna Karakoyun, Büşra Ertaş, Meral Yüksel, Dilek Akakın, Özge Çevik, Göksel Şener
Riboflavin (RF) has been found to be a promising antioxidant and/or anti-inflammatory agent in several studies. However, the effect of RF against acetic acid (AA)-induced colonic injury is currently unknown. This study aimed to investigate the potential antioxidant and protective effects of RF in a rat model of ulcerative colitis. Starting immediately after the colitis induction (AA+RF group) or 1 week before the colitis induction (RF+AA+RF group), the rats were treated with RF (25 mg/kg/d;p.o.) for 3 days...
November 22, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29164461/seasonal-toxicity-variation-in-light-textured-soil-amended-with-urban-sewage-sludge-interaction-effect-on-cadmium-nickel-and-phytotoxicity
#9
Rahma Inès Zoghlami, Helmi Hamdi, Khaoula Boudabbous, Sarra Hechmi, Mohamed Naceur Khelil, Naceur Jedidi
Sewage sludge is increasingly used as an organic amendment to agricultural soils, especially to soils containing little organic matter. However, little is known on the impact of this biowaste on seasonal changes of nickel and cadmium toxicity in a sandy loam soil. Accordingly, the aim of this field-scale study was to evaluate the seasonal phytotoxicity according to Cd, Ni, and dehydrogenase variation in an agricultural soil during two successive annual amendments with increasing amounts of urban sludge (0, 40, 80, and 120 t ha(-1) year(-1))...
November 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29163604/root-traits-enhancing-rice-grain-yield-under-alternate-wetting-and-drying-condition
#10
Nitika Sandhu, Sushil R Subedi, Ram B Yadaw, Bedanand Chaudhary, Hari Prasai, Khandakar Iftekharuddaula, Tho Thanak, Vathany Thun, Khushi R Battan, Mangat Ram, Challa Venkateshwarlu, Vitaliano Lopena, Paquito Pablico, Paul C Maturan, Ma Teresa Sta Cruz, K Anitha Raman, Bertrand Collard, Arvind Kumar
Reducing water requirements and lowering environmental footprints require attention to minimize risks to food security. The present study was conducted with the aim to identify appropriate root traits enhancing rice grain yield under alternate wetting and drying conditions (AWD) and identify stable, high-yielding genotypes better suited to the AWD across variable ecosystems. Advanced breeding lines, popular rice varieties and drought-tolerant lines were evaluated in a series of 23 experiments conducted in the Philippines, India, Bangladesh, Nepal and Cambodia in 2015 and 2016...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29162144/schistosoma-mansoni-and-other-helminthes-infections-at-haike-primary-school-children-north-east-ethiopia-a-cross-sectional-study
#11
Daniel Getacher Feleke, Solomon Arega, Mulien Tekleweini, Kegnitu Kindie, Alemu Gedefie
OBJECTIVES: Schistosomiasis and soil-transmitted helminthes infections are among the widely distributed infections worldwide. In Ethiopia, parasitic helminthic infections and schistosomiasis are among the most predominant causes of outpatient morbidity. Hence there is still lack of epidemiological information in North-Eastern Ethiopia, this study aimed to determine the prevalence and associated factors of Schistosoma mansoni and other helminthes infections at Haike primary school children, Haike, North-East Ethiopia...
November 21, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/29162100/host-age-and-plasmodium-falciparum-multiclonality-are-associated-with-gametocyte-prevalence-a-1-year-prospective-cohort-study
#12
Yaw Adomako-Ankomah, Matthew S Chenoweth, Aaron M Tocker, Saibou Doumbia, Drissa Konate, Mory Doumbouya, Abdoul S Keita, Jennifer M Anderson, Rick M Fairhurst, Mahamadou Diakite, Kazutoyo Miura, Carole A Long
BACKGROUND: Since Plasmodium falciparum transmission relies exclusively on sexual-stage parasites, several malaria control strategies aim to disrupt this step of the life cycle. Thus, a better understanding of which individuals constitute the primary gametocyte reservoir within an endemic population, and the temporal dynamics of gametocyte carriage, especially in seasonal transmission settings, will not only support the effective implementation of current transmission control programmes, but also inform the design of more targeted strategies...
November 21, 2017: Malaria Journal
https://www.readbyqxmd.com/read/29161676/hydrophilic-and-positively-charged-polyethylenimine-functionalized-mesoporous-magnetic-clusters-for-highly-efficient-removal-of-pb-ii-and-cr-vi-from-wastewater
#13
Min Young Lee, Ji Hwan Lee, Jae Woo Chung, Seung-Yeop Kwak
We develop mesoporous magnetic clusters (MMCs) functionalized with hydrophilic branched polyethylenimine (b-PEI), later called b-MG, and MMCs functionalized with positively charged b-PEI (p-MG). These materials efficiently remove Pb(II) and Cr(VI) from wastewater. Fourier-transform infrared spectroscopy, X-ray photoelectron spectroscopy, thermogravimetric analysis, and nitrogen adsorption-desorption analysis results clearly indicate that hydrophilic b-PEI and positively charged b-PEI are successfully attached to the MMC surfaces...
November 18, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/29161512/trophodynamics-of-organic-pollutants-in-pelagic-and-benthic-food-webs-of-lake-dianchi-importance-of-ingested-sediment-as-uptake-route
#14
Senrong Fan, Beili Wang, Hang Liu, Shixiong Gao, Tong Li, Shuran Wang, Yong Liu, Xueqin Liu, Yi Wan
Habitat is of great importance in determining the trophic transfer of pollutants in freshwater ecosystems; however, the major factors influencing chemical trophodynamics in pelagic and benthic food webs remain unclear. This study investigated the levels of p,p'-dichlorodiphenyldichloroethylene (p,p'-DDE), polycyclic aromatic hydrocarbons (PAHs), and substituted PAHs (s-PAHs) in two plankton species, six invertebrate species, and ten fish species collected from Lake Dianchi in southern China. Relatively high concentrations of PAHs and s-PAHs were detected with total concentrations of 11...
November 21, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/29161305/impact-of-austropuccinia-psidii-myrtle-rust-on-myrtaceae-rich-wet-sclerophyll-forests-in-south-east-queensland
#15
Geoff Pegg, Tamara Taylor, Peter Entwistle, Gordon Guymer, Fiona Giblin, Angus Carnegie
In April 2010, Austropuccinia psidii (formerly Puccinia psidii) was detected for the first time in Australia on the central coast of New South Wales. The fungus spread rapidly along the east coast and can now be found infecting vegetation in a range of native forest ecosystems with disease impacts ranging from minor leaf spots to severe shoot and stem blight and tree dieback. Localised extinction of some plant species has been recorded. In 2014, the impact of A. psidii was observed for the first time in a wet sclerophyll site with a rainforest understory, dominated by species of Myrtaceae, in Tallebudgera Valley, south east Queensland, Australia...
2017: PloS One
https://www.readbyqxmd.com/read/29161027/virus-transfer-at-the-skin-liquid-interface
#16
Ana K Pitol, Heather Bischel, Tamar Kohn, Timothy R Julian
Understanding virus transfer between liquid and skin is necessary to estimate transmission during water-related activities. In the present study, we modeled virus transfer from liquid-to-skin and skin-to-liquid. Specifically, we performed human subject studies using unenveloped (MS2, Qβ) and enveloped (Φ6) bacteriophage as pathogenic virus surrogates. Our study shows that transfer from liquid-to-skin is describable by a single, universal model based on 1) virus concentration and 2) volume of liquid remaining on skin...
November 21, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/29160694/quick-and-selective-dual-mode-detection-of-h2s-gas-by-mobile-app-employing-silver-nanorods-array
#17
Shashank Kumar Gahlaut, Kavita Yadav, Chandrashekhar Sharan, Jitendra Pratap Singh
Hydrogen sulfide (H2S) is a hazardous gas, which not only harms living beings but also poses a significant risk to damage materials placed in culture and art museums, due to its corrosive nature. We demonstrate a novel approach for selective rapid detection of H2S gas using silver nanorods (AgNRs) array on glass substrate at ambient conditions. The arrays were prepared by glancing angle deposition method. The colorimetric and water wetting properties of as-fabricated arrays were found to be highly sensitive towards the sulfurization, in the presence of H2S gas with a minimal concentration in ppm range...
November 21, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29160238/thermal-transport-in-epitaxial-si1-x-ge-x-alloy-nanowires-with-varying-composition-and-morphology
#18
A El Sachat, J S Reparaz, J Spiece, M I Alonso, A R Goñi, M Garriga, P O Vaccaro, M R Wagner, O V Kolosov, C M Sotomayor Torres, F Alzina
We report on structural, compositional, and thermal characterization of self-assembled in-plane epitaxial Si1-x Ge x alloy nanowires grown by molecular beam epitaxy on Si (001) substrates. The thermal properties were studied by means of scanning thermal microscopy (SThM), while the microstructural characteristics, the spatial distribution of the elemental composition of the alloy nanowires and the sample surface were investigated by transmission electron microscopy and energy dispersive x-ray microanalysis...
November 21, 2017: Nanotechnology
https://www.readbyqxmd.com/read/29160152/effect-of-wetted-surface-area-on-friction-pressure-wave-and-total-drag-of-a-kayak
#19
Beatriz B Gomes, Leandro Machado, Nuno V Ramos, Filipe A V Conceição, Ross H Sanders, Mário A P Vaz, João Paulo Vilas-Boas, David R Pendergast
Using theoretical principles, the components of drag (friction DF, pressure DPR and wave DW) of a single-seat kayak were analysed. The purpose was to examine the effect of changes in wetted surface area due to changes in kayaker's weight and the relative contribution of DF, DPR and DW to the total passive drag as function of velocity. The total passive drag values were based on experimental data collected in a single-seat kayak. Three different kayaker simulated weights were tested - 65, 75 and 85 kg. DF was the drag component that contributed the greatest percentage (between 60 and 68% at 5...
November 21, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/29159694/urinary-excretion-of-ciprofloxacin-after-administration-of-extended-release-tablets-in-healthy-volunteers-swellable-drug-polyelectrolyte-matrix-versus-bilayer-tablets
#20
M L Guzmán, C B Romañuk, M F Sanchez, L C Luciani Giacobbe, L P Alarcón-Ramirez, F D Battistini, F L Alovero, A F Jimenez-Kairuz, R H Manzo, María Eugenia Olivera
This paper builds on a previous paper in which new ciprofloxacin extended-release tablets were developed based on a ciprofloxacin-based swellable drug polyelectrolyte matrix (SDPM-CIP). The matrix contains a molecular dispersion of ciprofloxacin ionically bonded to the acidic groups of carbomer, forming the polyelectrolyte-drug complex CB-CIP. This formulation showed that the release profile of the ciprofloxacin bilayer tablets currently commercialised can be achieved with a simpler strategy. Thus, since ciprofloxacin urine concentrations are associated with the clinical cure of urinary tract infections, the goal of this work was to compare the urinary excretion of SDPM-CIP tablets with those of the CIPRO XR® bilayer tablets...
November 20, 2017: Drug Delivery and Translational Research
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