Moustafa El-Shenawy (National Research Center, Cairo, Egypt.), Mohamed El-shenawy (National Institute of Oceanography and Fisheries), Aida Farag (Dept. of Microbiology, National Institute of Oceanography and Fisheries, Alexandria, Egypt), Mohammed Tawfeek (National Research Center,Dokki,Cairo, Egypt), Mahmoud Mahmoud (National Research Center,Dokki,Cairo, Egypt), Samir Nasr (Institute of Graduate Studied and Research, Alexandria, Egypt), Ola Saleh (National Research Center,Dokki,Cairo), Lobna El-hosseiny (Institute of Graduate Studied and Research, Alexandria, Egypt), Hoda Baghdadi (Institute of Graduate Studied and Research, Alexandria, Egypt), Jose Soriano (Faculty of Pharmacy, University of Valencia, Spain)