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Oganesson: a most unusual ‘inert gas’

Posted on 19. July, 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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Microbial biotransformation of α-ionol

Posted on 26. February, 2018.

α-Ionol is a megastigmane derivative belonging to the most important odoriferous degradation products of β-carotene in plants and it contributes to the characteristic fragrances of many flowers.In this study, the microbial biotransformations of α-ionol by fungi were examined with the aim of producing new derivatives that could be used as potential flavour and fragrance ingredients.


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Strong inhibition of the Fe3+ + H2O2 reaction by ethanol: evidence against the free radical theory

Posted on 25. February, 2018.

The effect of ethanol on the catalytic decomposition of H2O2 by Fe3+ was investigated. While expecting a simple competitive oxidation of C2H5OH, far more complex kinetics were encountered experimentally: already minute amounts of C2H5OH (1% of H2O2) had a powerful retardation effect on the disappearance of H2O2.


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Stereochemical aspects of the hydrogenolysis of derivatives of terpenoid and steroidal allylic alcohols

Posted on 23. February, 2018.

Hydrogenolysis involves the replacement of a C–X bond by a C–H bond in a reaction in which X is typically a halogen, oxygen, sulfur, selenium or nitrogen or, less commonly, carbon. In some cases it may be difficult to distinguish between hydrogenolysis and the protonolysis of an organometallic intermediate.


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Moonlighting proteins – nature’s Swiss army knives

Posted on 22. February, 2018.

The human body is an amazingly complex machine with billions of cells that work together to perform a vast number of biochemical processes, each requiring hundreds or thousands of protein machines to serve as the structures and to synthesise the components, convert food to the chemical energy, break down old components, regulate all these processes and coordinate with other components, cells, and organs.


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Journal of Chemical Research Abstracts Edition, Volume 42, Issue No.1, January 2018

Posted on 22. February, 2018.

Download the January Abstracts Edition of Journal of Chemical Research, free of charge.


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Journal of Chemical Research Abstracts Edition, Volume 41, Issue No.12, December 2017

Posted on 22. February, 2018.

Download the December Abstracts Edition of Journal of Chemical Research, free of charge.


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Contents: Journal of Chemical Research , Volume 42, Issue No.1 January 2018

Posted on 16. February, 2018.

The Journal of Chemical Research is a monthly journal which has a broad international authorship and publishes research papers and reviews in all branches of experimental chemistry. Established in 1977 as a joint venture by the British, French and German chemical societies it maintains the high standards set by the founding societies.


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Weather-dependent variation in the winter diet of urban roosting Long-eared Owls (Asio otus) in Pécs (Hungary)

Posted on 7. February, 2018.

Long-eared Owls (Asio otus)  usually winter in groups in settlements, hunt at night and rest in evergreen trees during the day. From prey remnants regurgitated as pellets, one can detect species present in their hunting areas and changes in their abundance. Our aim was to reveal how the ratio of small mammal species in Long-eared Owl prey changes during the winter, since weather can influence hunting success and the availability of prey.


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