a
Seoul Centre, Korea Basic Science Institute, Seoul 136-713, Republic of Korea
E-mail: gshwang@kbsi.re.kr
;
Fax: +82-2-920-0709
;
Tel: +82-2-6943-4137
b
Graduate School of Analytical Science and Technology, Chungnam National University, Daejeon 305-764, Republic of Korea
c
Department of Biology, Chungnam National University, Daejeon 305-764, Republic of Korea
E-mail: zebrakim@cnu.ac.kr
;
Fax: +82-42-822-9690
;
Tel: +82-42-821-7535
d
Department of Chemistry, Sungkyunkwan University, Suwon 440-746, Republic of Korea