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Acceleration mechanism of bioavailable Fe(Ⅲ) on Te(IV) bioreduction of Shewanella oneidensis MR-1: Promotion of electron generation, electron transfer and energy level.

Author(s): He Y, Guo J, Song Y, Chen Z, Lu C, Han Y, Li H, Hou Y, Zhao R

The release of highly toxic tellurite into the aquatic environment poses significant environmental risks. The acceleration mechanism and tellurium nanorods (TeNPs) characteristics with bioavailable ferric citrate (Fe(III)) were investigated in the tellurite (Te(IV)) bioreduction. Experiments showed that 5?mM Fe(III) increased the Te(IV) bioreduction rate ...

Article GUID: 32853890


Synthesis, crystal structure and Hirshfeld surface of bis-(2-amino-pyridinium) hexa-chlorido-stannate(IV).

Author(s): Ghallab R, Boutebdja M, Dénès G, Merazig H

In the title mol-ecular salt, (C5H7N2)2[SnCl6], the cation is protonated at the pyridine N atom and the complete dianion is generated by a crystallographic centre of symmetry. In the crystal, N-H?Cl hydrogen bonds link the components into a three-dimensional network built up from the stacking of alternate cationic and anionic layers. The nature of the int ...

Article GUID: 32844014


Inhibitory potentials of Cymbopogon citratus oil against aluminium-induced behavioral deficits and neuropathology in rats.

Author(s): Temitayo GI, Olawande B, Emmanuel YO, Timothy AT, Kehinde O, Susan LF, Ezra L, Joseph OO

Cymbopogon citratus is a tropical phytomedicinal plant that is widely known for its hypoglycemic, hypolipidemic, anxiolytic, sedative, antioxidative and anti-inflammatory properties. In this study, we have examined the neuroprotective effects of the essential oil (ESO) of Cymbopogon citratus, following aluminum chloride (AlCl3)-induced neurotoxicity withi ...

Article GUID: 32839358


Beyond the Usual Suspects and Towards Politicisation: Immigration in Quebec's Party Manifestos, 1991-2018.

Author(s): Xhardez C, Paquet M

Immigration is increasingly politicised: issues surrounding immigration are more salient and party immigration positions are becoming more polarised. Literature on this topic has overwhelmingly focused on Europe and the USA, while identifying radical right parties and particular social dynamics as the main drivers of politicisation. In this paper, we cons ...

Article GUID: 32837335


Comparing perturbation models for evaluating stability of neuroimaging pipelines.

Author(s): Kiar G, de Oliveira Castro P, Rioux P, Petit E, Brown ST, Evans AC, Glatard T

With an increase in awareness regarding a troubling lack of reproducibility in analytical software tools, the degree of validity in scientific derivatives and their downstream results has become unclear. The nature of reproducibility issues may vary across domains, tools, data sets, and computational infrastructures, but numerical instabilities are though ...

Article GUID: 32831546


Volatility spillover around price limits in an emerging market

Author(s): Aktas OU; Kryzanowski L; Zhang J;

The intraday volatility effects of price-limit hits for stocks in the BIST-50 index during a volatile period are examined. Our evidence supports the volatility no-effect, dampening and spillover hypotheses depending on whether the lower or upper price limit is hit and on when the hit begins and ends. Post-hit volatilities tend to be lower for limit hits n ...

Article GUID: 32837364


The contribution of dry indoor built environment on the spread of Coronavirus: Data from various Indian states.

Author(s): V AAR, R V, Haghighat F

Coronavirus spread is more serious in urban metropolitan cities compared to rural areas. It is observed from the data on the infection rate available in the various sources that the cold and dry conditions accelerate the spread of coronavirus. In the present work, the existing theory of respiratory droplet drying is used to propose the mechanism of virus ...

Article GUID: 32834934


The COVID-19 pandemic: model-based evaluation of non-pharmaceutical interventions and prognoses.

Author(s): De Visscher A

An epidemiological model for COVID-19 was developed and implemented in MATLAB/GNU Octave for use by public health practitioners, policy makers, and the general public. The model distinguishes four stages in the disease: infected, sick, seriously sick, and better. The model was preliminarily parameterized based on observations of the spread of the disease. ...

Article GUID: 32836820


Renyi entropy and mutual information measurement of market expectations and investor fear during the COVID-19 pandemic

Author(s): Lahmiri S; Bekiros S;

The COVID-19 pandemic has seriously affected world economies. In this regard, it is expected that information level and sharing between equity, digital currency, and energy markets has been altered due to the pandemic outbreak. Specifically, the resulting twisted risk among markets is presumed to rise during the abnormal state of world economy. The purpos ...

Article GUID: 32834621


Investigation into the oil removal from sand using a surface washing agent under different environmental conditions.

Author(s): Bi H, An C, Chen X, Owens E, Lee K

Spilled oil frequently reaches the shorelines and affects coastal biota and communities. The application of surface washing agents is an important shoreline cleanup technique that can help remove stranded oil from substrate surfaces with the advantages of high removal efficiency, low toxicity, and strong economic viability. In this study, the investigatio ...

Article GUID: 32829266


Ontogenetic shift from aposematism and gregariousness to crypsis in a Romaleid grasshopper.

Author(s): Despland E

Traits of chemically-defended animals can change as an individual grows and matures, and both theoretical and empirical evidence favour a direction of change from crypsis to aposematism. This study examines the suite of traits involved in an unusual opposite shift from aposematism to crypsis in a neotropical toxic-plant-feeding Romaleid grasshopper, Chrom ...

Article GUID: 32817631


Effect of Fe2+ ions on gypsum precipitation during bulk crystallization of reverse osmosis concentrates.

Author(s): Melliti E, Touati K, Van der Bruggen B, Elfil H

In reverse osmosis desalination, the concentrate is a saline solution that may become supersaturated. Heterogeneous nucleation of salts occurs at the membrane surface, resulting in the buildup of inorganic deposits on the membrane. The inorganic nucleation process, however, is complex in natural waters. Most studies focused primarily on single salt foulin ...

Article GUID: 32814139


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