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Contents: Journal of Chemical Research , Volume 41, Issue No.9, September 2017

Posted on 25. September, 2017.

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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The preparation and reactions of B-norsteroidal 6-ketones and their relatives

Posted on 30. September, 2011.

B-norsteroids are involved in the the apoptopic activity of the marine sterol orostonal and the anti-tubercular activity of the parguesterols, and are used in the synthesis of hormone analogues.  The preparation and reactivity of the heavily substituted cyclopentanone B-norsteroidal 6-ketones, which have formed precursors for the synthesis of ring B-azasteroids, are reviewed by Cavit Uyanik and James R. Hanson in the September issue of Journal of Chemical Research. They suggest further areas for investigation of these modified steroids.


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Contents: Materials At High Temperatures Volume 28 Issue 3 2011

Posted on 14. September, 2011.

Materials at High Temperatures publishes peer reviewed contributions relating to high temperature applications in the power, chemical, engine, processing and furnace industries.


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Study finds culling more effective than vaccinating

Posted on 13. September, 2011.

In both economic and epidemiological terms, the practice of culling on farms within a radius of 1 to 3 km of infected farms is the best method of combating Highly Pathogenic Avian Influenza (HPAI) according to a recent study by the Netherlands-based research group Wageningen UR.


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Feathers show stress hormone in birds

Posted on 13. September, 2011.

When faced with environmental threats like bad weather, predators or oil spills, wild birds secrete a hormone called corticosterone. Traditionally, researchers have analysed blood samples to detect corticosterone levels in wild birds.


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Females choose mates for their personalities

Posted on 13. September, 2011.

Adventurous female zebra finches choose mates with similar personalities, regardless of the male's appearance and other assets, according to new research led by the University of Exeter and published in the journal Ethology. This is the first study to show that the non-sexual behaviour or personalities of both mates influences partner choice in non-humans.


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Birds of a feather display only a fraction of possible colours

Posted on 13. September, 2011.

While bird colouration appears to humans to be so extraordinarily diverse, a new study published online in Behavioral Ecology reports that bird plumages exhibit only a small fraction (less than a third) of the possible colours birds can observe.  Early lineages of living birds probably produced an even smaller range of colours, but the evolution of innovative pigments and structural (or optical) colours has allowed many birds to create more diverse and colourful plumages over time.


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Namibia aims for poultry self-sufficiency

Posted on 13. September, 2011.

Namibian Poultry Industries, which began construction in April of a multi-million dollar poultry facility, aims to produce 250,000 chickens per week, enough to “serve the whole Namibian market” once it reaches full production in mid-2012, according to the Namibian.


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Murre chicks hatch for first time in 100 years on Prince Island

Posted on 13. September, 2011.

Common Murres are abundant off central through northern California with tens to hundreds of thousands of birds nesting at the South and North Farallon Islands, Point Reyes and other similar locations. However the colony that historically nested on Prince Island, a small islet off San Miguel Island within Channel Islands National Park, disappeared nearly a century ago, likely a result of human disturbance and egg harvesting, according to the American Bird Conservancy.


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