Picture of  Assem Hedayat

Assem Hedayat PhD Adjunct Professor Mechanical, Biomedical

Research Area(s)

  • Nanofabrication of medical devices and components
  • Bioimaging and analysis using synchrotron technologies
  • Additive manufacturing


Education and Experience

Ph.D, Michigan State University,
Master of Science, Georgia Tech
Bachelor of Science, The American University in Cairo
Dr. Hedayat’s expertise in biomaterials is industrial and academic. He was the president and CEO of Bregma Materials Solutions for 14 years. He is a former research scientist in the College of Medicine, and a former assistant professor of biomaterials at the College of Dentistry.


Courses Previously Taught

DENT411   Table Clinic Research II, College of Dentistry
DENT210   Application of Dental Research to Clinical Decision Making, College of Dentistry
DENT310   Table Clinic Research I, College of Dentistry
DENT221   Dental Materials I, College of Dentistry
DENT321   Dental Materials II, College of Dentistry
BIO806     Biomaterials, College of Engineering



  • Best Paper Award, BIOIMAGING2018, Madeira, Portugal, 19-21 January, 2018. EndoCal 10 obturation voids in root canal and isthmus of a human premolar: A synchrotron micro-CT imaging study

  • Co-principal investigator (with Dr. Ahmed Shoker – College of Medicine) of a $789,000 (CAD) Grant from Western Economic Diversification and Enterprise Saskatchewan, October 1, 2010 to September 30, 2013, for the research and development of a novel device to enhance the life span and quality of life for end stage renal disease patients.

  • Served as a member of the advisory committees of graduate students at the Department of Mechanical Engineering and the Division of Biomedical Engineering.

  • Coordinated more than 70 table clinic studies for undergraduate students at the College of Dentistry (2012 to 2018)

  • Member of the Network for Canadian Oral Health Research (NCOHR) Innovation Exchange Working Group

  • Expert Reviewer for Nanomedicine: Nanotechnology, Biology and Medicine (Elsevier) – Impact Factor = 6.93

  • Interviewed on Radio Canada International ”Surprising discovery in dentistry: potential health concerns”: http://www.rcinet.ca/en/2013/12/19/surprising-discovery-in-dentistry-potential-health-concerns/

  • Paul Harris Fellow, Rotary International


Hedayat, A., Nagy, N., Packota, G., Monteith, J., Allen, D., Wysokinski, T., & Zhu, N. (2016). Synchrotron Radiation Based X-ray Micro-Computed Tomography Reveals Dental Bur Debris Under Dental Restorations. Journal of Synchrotron Radiation, 23(3): 777-782.

Hedayat, A., Elmoselhi, H., & Shoker, A. (2014). Structural Delineation of the Exeltra Plus 210 Hemodialyzer’s capillary pores as targets to ameliorate its filtration. British Journal of Applied Science and Technology, 4(11): 1622-1633.

Hedayat, A., & Shoker A. (2014). Polyflux® 210H hemodialysis membrane targets to improve filtration. Saudi Journal of Kidney Diseases and Transplantation, 25(1): 156-160.

Hedayat, A., Elmoselhi, H., Peace, R., & Shoker, A. (2013). Study of uremic toxin fluxes across nanofabricated hemodialysis membranes using irreversible thermodynamics. Computational and Structural Biotechnology Journal, 6(7). doi: 10.5936/csbj.201303005

Hedayat, A., Elmoselhi, H., & Shoker A. (2012). Theoretical application of irreversible (non-equilibrium) thermodynamic principles to enhance solute fluxes across nanofabricated hemodialysis membranes. International Journal of Nephrology, 2012. doi: 10.1155/2012/718085.

Hedayat, A., Szpunar, J., Kiran Kumar, N., A., P., Peace, R., Elmoselhi, H., & Shoker, A. Morphological characterization of the Polyflux® 210H hemodialysis filter pores. (2012). International Journal of Nephrology, 2012. doi: 10.1155/2012/304135.

Yannacopoulos, S., Kasap, S. O., Hedayat, A. &, Verma, A. (1994). An experimental study of phase transformations in an Al-Zn-Mg-Zr alloy: DSC and hot microhardness measurements. Canadian Metallurgical Quarterly, 3(1): 51-60.

Hedayat, A., Rechtien, J. & Mukherjee, K. (1992). Phase transformation in carbon coated nitinol with application to the design of a prosthesis for the reconstruction of the anterior cruciate ligament. Journal of Materials Science: Materials in Medicine, 2: 65-74.

Hedayat, A., Rechtien, J. & Mukherjee, K. (1992). The effect of surface constraint on the phase transformation of nitinol. Journal of Materials Science, 27: 5306-5314.

Hedayat, A., Yannacopoulos, S. & Postlethwaite, J. (1992). The conjoint action of C02 corrosion and reciprocating sliding wear on plain carbon steel: Part I. The effect of contact pressure and amine inhibitor. Corrosion, 48(11): 953-959.

Hedayat, A., Postlethwaite, J. & Yannacopoulos, S. (1992). The conjoint action of C02 corrosion and reciprocating sliding wear on plain carbon steel: Part II. Electrochemical studies Corrosion, 48(12): 1027-1031.

Hedayat, A., Yannacopoulos, S., Postlethwaite, J. & Sangal, S. (1992). Aqueous corrosion of plain carbon steel during sliding wear. Wear, 154: 167-176.