1. Department of Chemistry; S. P. G. College; University of Lucknow; Lucknow - 226020, Uttar Pradesh India
2. Department of Chemistry; Faculty of Sciences and Arts - Khulais; University of Jeddah; Khulais P.O.Box 355 21921 Kingston of Saudi Arabia
3. Department of Material Science and Engineering; Indian Institute of Technology Kanpur; Kanpur - 208016, Uttar Pradesh India
4. Department of Chemistry; Faculty of Science; Mu'tah University, P. O. BOX 7; Mutah 61710 Karak Jordan and Faculty of Pharmacy, Aqaba University of Technology, Aqaba - Jordan
5. Div. of Bioresource; Paper and Coatings Technology; School of Industrial Technology; Univercity Sains Malaysia; 11800 Penang Malaysia
6. Department of Chemistry; Indian Institute of Technology Kanpur; Kanpur - 208016, Uttar Pradesh India