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#21
December 2001

From David Bradley Science Writer and
Advanced Chemistry Development

? Reactive Science News sciencebase science newsfeed
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Work out that depression??The uplifting effects of long-term exercise in depression may be down to a single compound - phenylethylamine - according to researchers at Nottingham Trent University.
? Punching a hole in bacteria??As bacteria gain resistance to our antibiotic armoury, medical scientists are earnestly hunting for alternatives to the many overused drugs. Now, Reza Ghadiri and colleagues at the Scripps Research Institute in La Jolla, California, believe they have found one solution to the problem.
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A truly sacred cow The tsetse fly is one of Africa's most harmful pests carrying fatal sleeping sickness (trypanosomiasis) and nagana (the equivalent disease in cattle) caused by a protozoan but could soon be completely eradicated from parts of the continent thanks to an artificial cow.
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Cockroach chemist?The fast and most ancient land insect on earth, the American cockroach, Periplaneta americana, turns out to be also a spectacular organic chemist, according to S.A. Shukolyukov and V.S. Saakov, researchers from the Sechenov Institute of Evolutionary Physiology and Biochemistry in St Petersburg. They have discovered that P. americana can synthesize a chemical no other animal is known to be capable of the carrot-lovers' best friend: beta-carotene.
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Periodic Features

M.E. Elyashberg, K.A. Blinov, E.R. Martirosian: A new approach to computer-aided molecular structure elucidation: the expert system Structure Elucidator (PDF, 106 Kb)

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Published in the Laboratory Automation and Information Management 34 (1999) 15 - 30.

Mikhail E. Elyashberg, Kirill A. Blinov, Antony J. Williams, Sergey G. Molodtsov and Eduard R. Martirosian: Application of a New Expert System for the Structure Elucidation of Natural Products from the 1D and 2D NMR Data (PDF, 170 Kb)

? J.Nat.Prod. - accepted for publication.
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