A Russian nucleic acid chemist, Vladimir Efimov, will spend aone-year sabbatical at Triplex Pharmaceutical Corp. of TheWoodlands, Texas. Efimov is currently head of the laboratory ofgene bioengineering at the Shemyakin Institute of BioorganicChemistry at the Russian Academy of Sciences in Moscow.

Cortecs International Ltd. of London has appointed Dudley Earlto its board as a non-executive director. Earl is a formergeneral manager of product licensing and former generalmanager of research at the U.K. bioscience company Zeneca.

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