Images for: Purification and Structure Elucidation of Secondary Metabolites Isolated from Certain Rhizospheric Bacteria and Assessing Their Pharmacological and Antimicrobial Activities / A Thesis Submitted to the Basic and Applied Science (BAS) Institute : Egypt-Japan University of Science and Technology (E-JUST) : In Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy (PhD) In Biotechnology /