Department of Chemical Science;
Faculty of Science;
Universiti Tunku Abdul Rahman;
Jln Universiti;
Bandar Barat;
31900 Kampar;
Perak;
Malaysia;
Liquid Crystal Research Laboratory;
School of Chemical Sciences;
Universiti Sains Malaysia;
11800 Minden;
Penang;
Malaysia;
Faculty of Engineering;
Soka University;
1-236 Tangi-cho;
Hachioji;
Tokyo 192-8577;
Japan;