a
Laboratory of Applied Environmental Chemistry, University of Eastern Finland, Patteristonkatu 1, Mikkeli-50101, Finland
E-mail: mmuruganandham@yahoo.com
;
Fax: +35 815336013
;
Tel: +35 8403553415
b
Department of Chemistry and Bioscience, Graduate School of Science and Engineering, Kagoshima University, 1-21-35 Korimoto, Kagoshima 890-0065, Japan
c
Faculty of Technology, Lappeenranta University of Technology, Patteristonkatu 1, FI-50100 Mikkeli, Finland