1. Department of Analytical Chemistry, Faculty of Chemistry, University of Bucharest, Sos. Panduri, Bucharest Sector 5, Romania, Department of Analytical Chemistry and Department of Biotechnology, Lund University, P.O. Box 124, S-22100 Lund, Sweden, Department of Plant Sciences, University of Western Ontario, London, Ontario, Canada N6A 5B7, Department of Chemical Enzymology, Chemical Faculty, Moscow State University, Moscow 119899 GSP, Russia, and Department of Agriculture and Crop Science, The Ohio State...