Sigma-Aldrich Corp. is aligning its organization into three market-focused business units as part of an effort to better address the needs of its global customers and to drive growth. Effective January 1st, Frank Wicks will transition from his current role as president of the Research business to become president of the new Applied Markets Business Unit, which will serve customers in diagnostics, testing and industrial markets.   Eric Green, vice president and managing director of the Internatio...