Degrees:

Ph.D., Electrical and Computer Engineering (Specialty: Ultrasonic Noninvasive Testing and Medical Imaging), Iowa State University, 1992
M.S., Biomedical Engineering, Iowa State University, 1988
M.S., Electrical and Computer Engineering, Iowa State University, 1986
B.S., Electrical and Computer Engineering, Iowa State University, 1983

Honors & Awards:

Presidential Research Award (Hofstra University)
Faculty Research Development Grant (Hofstra University)
Sigma Xi Scientific Honor Research Society
Eta Kappa Nu Electrical Engineering Honor Society
Teaching Excellence Award (Iowa State University)

Areas of specialization:

Noninvasive Imaging, Surgical, and Therapeutic Techniques
Ultrasonic/Electromagnetic Nondestructive Testing
Medical Imaging (Ultrasonic, Magnetic Resonance)
Sensor/Actuator/Transducer Design
Microelectromechanical Systems (MEMS)
Signal and Image Processing

Academic Interests:

Teaching:
Medical Imaging, Medical Instrumentation, Neural Networks, Signal/Image Processing, Signals and Systems, Electromagnetic Theory.

Research:
Noninvasive Ultrasonic and Electromagnetic New Imaging and Surgical Procedures
Detection of Osteoporosis and Assessment of Bone Loss and Bone Quality
Noninvasive Evaluation of Blood Levels in HIV Patients
Ultrasonic Diagnosis of Skin Melanoma, Scleroderma, and Psoriasis

Courses Taught:

Medical Imaging
Medical Instrumentation
Information Processing in Living Systems
Electromagnetic Theory
Signals and Linear Systems
Filter Theory
Signal/Image Processing
Biomedical and Electrical Senior Design

Selected Supervised Student Projects:

(1) Early Diagnosis of Osteoporosis and Assessment of Bone Quality Using Noninvasive Ultrasonic Imaging
(2) Double-Density Wavelet Transforms for Multiresolution Ultrasonic Fingerprint Scans
(3) A 3D Visualization of 2D PET Images (Sponsor: Northshore University Hospital)
(4) Detection of Mercury Intoxication Levels Using Cavity Ringdown (CRD) Spectroscopy (Sponsor: Brookhaven National Lab)
(5) Modeling of Cell Membranes Using the Hodgkin Huxley Method
(6) Detection of Drug Levels in Human Perspiration Using Raman Spectroscopy (Sponsor: Brookhaven National Lab)
(7) Finite Element Modeling of Diagnostic Ultrasound for Ophthalmic Applications
(8) Experimental Assessment of Teeth Using Ultrasound
(9) Neural Networks in Speech Compression Applications
(10) Voice Activated Switching for Handicapped Persons

Recent Selected Publications:

Ghorayeb S.R., P. Petrakis and M. McGrath. "Experimental Determination of Ultrasonic Phase Velocities in Human Teeth Along Arbitrary Symmetry Directions, " The 25th Silver Anniversary International Conference of the IEEE Engineering in Medicine and Biology Society, Cancun, Mexico, September 17-21, 2003.

Ghorayeb S.R. and T. Valle. "Experimental Evaluation of Human Teeth Using Noninvasive Ultrasound: Echodentography," IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, Vol. 49, No. 10, pp. 1437-1143, October 2002.

Ghorayeb S.R. and T. Valle. Front Cover Image titled "B-Scan Image of a Human Tooth," IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, Vol. 49, No. 10, October 2002.

Ghorayeb S.R. "Immersing Teeth in Ultrasound," Hofstra Horizons: Research and Scholarship at Hofstra University, pp. 3-6, Spring 2002.

Ghorayeb S.R., E. Maione and V. LaMagna. "Modeling of Ultrasonic Wave Propagation in Teeth Using PSpice: A Comparison with Finite Element Models", IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, Vol. 48, No. 4, pp. 1124-1131, July 2001.

Ghorayeb S.R. and E. Maione. "Diagnostic Ultrasound for the Imaging of Teeth: A Comparison Between Experimental Results and Simulation Models, " 2000 IEEE International Ultrasonics Symposium held in San Juan, Puerto Rico, October 22-25, 2000.

Ghorayeb S.R., T. Xue and W. Lord. "A Finite Element Study of Ultrasonic Wave Propagation in a Tooth Phantom," Journal of Dental Research, Vol. 77, No. 1, pp. 39-49, January 1998.

Ghorayeb S.R., T. Xue and W. Lord. "Ultrasonic Imaging of Teeth for Early Detection of Abscesses," 1997 IEEE International Ultrasonics Symposium held in Toronto, Ontario, October 5-8, 1997.

Ghorayeb S.R., W. Lord and S. Udpa. "Application of a Beamforming Technique to Ultrasound Imaging in Nondestructive Testing," IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, Vol. 41, No. 2, pp. 199-208, March 1994.

Yamano M. and Ghorayeb S.R.. "A New Approach to Ultrasonic Image Reconstruction," Nondestructive Characterization of Materials VII, Materials Science Forum, 1995, vol. 213, pp. 855-862.

Hansen T. and Ghorayeb S.R.. "Ultrasonic Applications Using Magnetostrictive Smart Materials," Materials Research Society Bulletin, November 1994.

Lord W., D. Hsu, Ghorayeb S.R., A. Minachi and Z. You. "Finite Element Applications in NDE Engineering," Ultrasonics International , pp. 463-466, July 1991.

Ghorayeb S.R. "Finite Element Modeling of Ultrasonic Waves Propagation in Femoral Bones for Early Detection of Osteoporosis," Proceedings of the Biomechanics'98 Conference held in Beirut, Lebanon, July 7 - 14, 1998.

Ghorayeb S.R., R. A. Jensen and R. E. Stuhler, "Ultrasonic Testing of Wooden Utility Poles," Proceedings of the ASNT Fall 1997 Conference held in Pittsburgh, PA, October 20-24, 1997.

Ghorayeb S.R., T. Xue and W. Lord. "Ultrasonic Wave Propagation in a Tooth Phantom," Proceedings of the 24th Annual Review of Progress in QNDE conference held in San Diego, CA, July 27-August 1, 1997.

Ghorayeb S.R. and C. Jennings. "A Non-Intrusive Pressure Sensor Using Inverse Magnetostriction," Proceedings of the American Society for Nondestructive Testing Fall Conference, October 16-20, 1995, Dallas, TX.

Ghorayeb S.R., T. Hansen and F.K. Straub. "The Application of Magnetostrictive Smart Materials in Rotor Servoflap Control," Proceedings of SPIE's Smart Structures and Integrated Systems, February 26-March 3, 1995, San Diego, CA, vol. 2443, pp. 28-37.

Ghorayeb S.R. and M.T. Lusk. "Implementation of the CLEAN Algorithm to Microwave Images in Nondestructive Testing," Proceedings of SPIE's Advanced Microwave and Millimeter-Wave Detectors, July 24-29, 1994, San Diego, CA, vol. 2275, pp. 94-102.

Ghorayeb S.R., W. Lord and S. Udpa. "The Prediction of Ultrasonic Signals Using the Data Independent Beamformer," Proceedings of the ASNT, Spring Conference, March 21-25, 1994, New Orleans, LA, pp. 111-114.

Ghorayeb S.R., W. Lord and T. Xue. "The Study of Ultrasonic Wave Propagation in a Tooth Phantom," Proceedings of the American Society for Nondestructive Testing, Spring Conference, March 21-25, 1994, New Orleans, LA, pp. 27-30.

Ghorayeb S.R., M. Yamano, Z. You and W. Lord. "Ultrasonic SAFT Reconstruction Using the Finite Element Modeling Technique," Proceedings of the 18th Annual Review of Progress in Quantitative Nondestructive Evaluation, July 1991, Brunswick, ME, vol. 11B, pp. 2185-2191.

Ghorayeb S.R., M.S. Hughes, D.K. Holger and L.W. Zachary. "A Preliminary Application of SAFT on Composites," Proceedings of the 17th Annual Review of Progress in Quantitative Nondestructive Evaluation, July 1990, La Jolla, CA, vol. 10A, pp. 1027-1034.

Ghorayeb S.R. "Determining the Optimal Convolution Function for Creating the Least Corrupted Uniformly Spaced Data from Noisy Nonuniformly Spaced Data According to Wiener Filter Theory," Proceedings of the 168th Meeting of the American Astronomical Society, June 1986, Ames, IA, vol. 18, p. 700.

Hughes M.S., D.K. Hsu, F. Margetan, R.B. Thompson, Ghorayeb S.R., D.K. Holger, L.W. Zachary and D.O. Thompson. "Application of SAFT on Composites," Proceedings of the 18th Annual Review of Progress in QNDE, July 1991, Brunswick, ME, vol. 11B, pp. 1413-1419.

Ghorayeb S.R. and D.L. Carlson. "The Wiener Filter Theory and the Ultrasonic Signal Reconstruction Problem," report submitted to the Biomedical Engineering Department, Iowa State University, Ames, IA, June 1989.

Invited Presentations:

Ghorayeb S.R., "Medical Research Portfolio: A Brief Overview," American University Hospital of Beirut, Beirut, Lebanon, July 16, 2004.

Ghorayeb S.R., "Ultrasound Imaging of the Intravascular System," Winthrop University Hospital, Mineola, NY, November 7, 1997.

Ghorayeb S.R., "Beamformation in Ultrasonic Noninvasive Testing," Long Island Jewish Medical Center, New Hyde Park, NY, January 18, 1996.

Ghorayeb S.R., "Cell Disruption and DNA Alterations Using Ultrasound," ICI Seeds, Slater, IA, July 14, 1995.

Ghorayeb S.R., "Prediction of Ultrasonic Signatures Using the Data Independent Beamformer," The University of Northern Iowa, Cedar Falls, IA, April 19, 1995.

Ghorayeb S.R., "Finite Element Simulation of Ultrasonic Wave Propagation in Nondestructive Testing," Systems Research Laboratories, Dayton, OH, December 17, 1992.

Ghorayeb S.R., "The Application of Beamforming methods to Ultrasound Imaging in Nondestructive Testing," Siemens Quantum, Issaquah, WA, October 2, 1992.

Ghorayeb S.R., "Ultrasonic SAFT Reconstruction and Beamformation Using Finite Element Simulation," 3M, St. Paul, MN, May 1, 1992.

Ghorayeb S.R., "Ultrasonic Imaging in Minimally Invasive Endoseopic Testing," DIASONICS Ultrasound, Milpitas, CA, October 8, 1991.

Ghorayeb S.R., "On the Application of Beamforming Methods in Ultrasonic Noninvasive Testing," Acuson, Mountain View, CA, October 7, 1991.

Professional & Technical Memberships:

Senior Member of IEEE (Ultrasonics, Ferroelectrics, and Frequency Control)
Senior Member of IEEE (Medicine and Biology)
Invited Member to the American Institute of Ultrasound in Medicine
American Society for Nondestructive Testing
Invited Member to the International Society for Optical Engineering
American Lebanese Medical Association

Outside Interests:

Hiking, Jogging, Outdoor Activities, Painting, Pottery, Reading, Classical, Jazz, Techno, and New Wave Music.