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Now available on Fast Track: Oganesson: a most unusual ‘inert gas’

Posted on 18. May, 2018.

Oganesson, with the symbol Og, is the artificially prepared (i.e. ‘man-made’) elementwith atomic number 118, previously known as eka-radon or Uuo (‘ununoctium’), and recently ‘blessed’ with an official name by IUPAC3. Atoms of the element were first produced using the U400 cyclotron at the Joint Institute for Nuclear Research (JINR) in Dubna, Russia, via a heavy-ion fusion reaction utilising collision of a 4820Ca beam with a 24998Cf target. 


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Now available on Fast Track: Examining unihemispheric sleep and its potential relation to lateral resting behaviour and unipedal resting stance in Caribbean Flamingos

Posted on 11. April, 2018.

While much recent research has examined flamingo unipedal resting, as well as laterality in the resting behaviours of these birds, the phenomenon of unihemispheric sleep is not well documented in flamingos, and the potential relationship between unihemispheric sleep and these other aspects of flamingo resting behaviour has not been thoroughly explored. 


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Kinetics and mechanism of counterionic salt-catalysed piperidinolysis of anionic phenyl salicylate in the presence of cationic–nonionic mixed micelles

Posted on 9. April, 2018.

The quantitative correlation of counterion-affinity to aqueous hexadecyltrimethylammonium bromide (HDAB, cationic micelles/nanoparticles) and the counterion-induced HDAB micellar growth, in the presence of different amounts of poly(ethylene glycol hexadecyl ether) (C16E20, nonionic surfactant), was achieved by the use of a semi-empirical kinetic (SEK) method. 


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Now available on Fast Track: Effects of supplemental food on the behaviour and paternity status of male Indigo Buntings (Passerina cyanea)

Posted on 6. April, 2018.

Breeding is energetically costly and, if energy-limited, birds may alter their time budgets, spending less time engaged in some activities and more time in others. Investigators who have provided breeding birds with supplemental food have noted changes in time budgets, but the extent and types of changes have been found to vary among species. 


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From fundamental science to product: a bottom-up approach to sunscreen development

Posted on 5. April, 2018.

Ultraviolet (UV) radiation from the Sun is categorised as UVC (100–280 nm), UVB (280–315 nm) and UVA (315–400 nm). Stratospheric ozone prevents any significant amount of highly destructive UVC radiation from reaching the Earth’s surface, as well as absorbing a significant portion of UVB radiation.


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‘Green tide’ to biochar: preparation and adsorption isotherms for three typical organic pollutants

Posted on 2. April, 2018.

Enteromorpha prolifera (EP) is a typical marine macroalgae and has the characteristics of easy growth and rapid propagation. The rapid proliferation of EP due to eutrophication and climate change can cause outbreaks of ‘green tide’. ‘Green tide’ has frequently broken out in coastal areas of China’s Yellow Sea and it may damage the marine ecosystem and threaten coastal aquaculture. 


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Free for 24 hours - Problems and resolutions in dealing with waste disposable paper cups

Posted on 21. March, 2018.

Disposable paper cups used for serving coffee, tea and other drinks contain high quality virgin cellulose fibre board (95 wt%) combined with a thin internal polyethylene (PE) coating (5 wt%). They are typically employed where washing and sanitising of reusable cups is awkward, such as in hospitals, in the entertainment and transportation sectors, and for occasional use by large numbers of people in short time intervals which makes reusable cup service practically impossible.


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Contents: Science Progress, Volume 101, Number 1, March 2018

Posted on 20. March, 2018.

Science Progress commissions world authorities to contribute articles on the most interesting, important and meaningful topics - ranging from cosmology to the environment, and publishes occasional issues on specific topics.


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A free review - Kinetics and mechanism of cationic micelle/flexible nanoparticle catalysis

Posted on 19. March, 2018.

The aqueous surfactant (Surf) solution at [Surf] > cmc (critical micelle concentration) contains flexible micelles/nanoparticles. These particles form a pseudophase of different shapes and sizes where the medium polarity decreases as the distance increases from the exterior region of the interface of the Surf/H2O particle towards its furthest interior region.


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