JOHN M. KOKOSA, retired Professor of Chemistry at Kettering University, Flint, Michigan, conducts research in solvent microextraction, is an industrial consultant, and is an Adjunct Professor of Chemistry at Mott Community College in Flint. He was among the first scientists to explore headspace-solvent microextraction, chaired an invited symposium on solvent microextraction at PittCon 2006, and holds the U.S. patent for ... Read morethe automation of SME sampling. He is the author of numerous refereed publications and presentations and has authored a laboratory manual for freshmen organic chemistry and a commercial FTIR database for Thermo Nicolet instruments. ANDRZEJ PRZYJAZNY is a Professor of Chemistry at Kettering University, Flint, Michigan. He has an MS and DSc in chemistry from the Gda¿nsk University of Technology (Poland) and a PhD in chemistry from Southern Illinois University at Carbondale. Dr. Przyjazny specializes in analytical chemistry of organic environmental pollutants and has published over fifty papers in refereed journals on this subject. He was one of the first scientists to explore headspace-solvent microextraction. MICHAEL A. JEANNOT worked directly on the original development of drop-based SME at the University of Alberta, and has continued research in this area during his tenure at St. Cloud State University. He has coauthored five SME articles with a theoretical focus for Analytical Chemistry and the Journal of Chromatography A. Show Less