University of Karachi (UoK) – Associate Member Prof. Dr. Muhammad Iqbal Choudhary Director, H.E.J. Research Institute of Chemistry Karachi 75270 T (+92) (21) 482 49 24-5 or (+92) (21) 481 90 10 E hej@cyber.net.pk ; iqbal.choudhary@iccs.edu