Dr. Essam Dief Name: Dr. Essam M. Dief Position: Associate Lecturer, PSAS, Beni Suef University Education: M.SC Material Science & Technology, PSAS, Beni Suef University, Egypt E-mail: essam.dief@gmail.com Research: Biomaterials ORCID: 0000-0002-6941-9315 https://orcid.org/0000-0002-6941-9315 C.V https://psas-my.sharepoint.com/personal/coenano_psas_bsu_edu_eg/_layouts/15/onedrive.aspx?id=%2Fpersonal%2Fcoenano%5Fpsas%5Fbsu%5Fedu%5Feg%2FDocuments%2FCV%2DEssam%20Dief%2Epdf&parent=%2Fpersonal%2Fcoenano%5Fpsas%5Fbsu%5Fedu%5Feg%2FDocuments&originalPath=aHR0cHM6Ly9wc2FzLW15LnNoYXJlcG9pbnQuY29tLzpiOi9nL3BlcnNvbmFsL2NvZW5hbm9fcHNhc19ic3VfZWR1X2VnL0ViRG1VSEZ5QjdoS3NLUHRxTlBHVC1vQnhYaDQ4Nm11aVBVY3p6aHBDUkdRc1E%5FcnRpbWU9SXEyOWxLS0kyVWc