July 21, 2008 We are pleased to inform that the following eminent scientists will be among us. We are expecting others. * Prof. John B. Fenn. (Nobel Laureate) Virginia Commonwealth Univ. USA, Prof. Mostafa A. El-Sayed. Georgia Tech. USA and Prof. Samy El-Shall, Virginia Commonwealth Univ. USA, Prof. Alaa S. Abd-El-Aziz. Univ. British Columbia Okanagan. Canada, Prof. Mike Zaworotko, Univ. South Florida, U.S. A., Prof. Omar M. Yaghi, Univ. California Los Angeles. USA., and Dr. Mohamed Eddaoudi, Univ. South Florida, U. S. A. The list of invited speakers was updated on July 21, 2008 *The themes page was updated. KEY DATES : February 2008 Second circular: ( in preparation) Deadline for receipt of abstracts: 30th October 2008 Notification of abstract acceptance: 5th December 2008 Deadline for full paper submission: 23rd March 2009 Scientific Program: 23rd – 25th March, 2009 PUBLICATION OF FULL PAPERS A selection of papers presented at the conference will be published in a special issue of Journal of Taibah University for Science. When preparing your manuscript, Please refer to http://www.taibahu.edu.sa/E/science/en/Instructions_for_Authors.html Full papers should be submitted on site of the conference and will pass through normal review process, being published before the end of 2009.