Ahmed I. Abd-Elhamid 
        
				
					
					
						
						Ahmed I. Abd-Elhamid 
	
					    
Advanced Technology and New Materials Research Institute, City for Scientific Research and Technology Applications, Borg El arab, P. O. Box 21934, Alexandria, Egypt                            
                            
						
					 
				 
								Biography
				Ahmed I. Abd-Elhamid is the member of the Advanced Technology and New Materials Research Institute, City for Scientific Research and Technology Applications, Alexandria, Egypt. He is one of the coauthor of the paper “Preparation and Characterization of Silica Nanoparticles by Wet Mechanical Attrition of White and Yellow Sand”.