Rodney D. Wiersma
Rodney D. Wiersma, Ph.D.
Research Associate Professor of Radiation Oncology
Department: Radiation Oncology
Graduate Group Affiliations
Contact information
3620 Hamilton Walk
John Morgan Building - Room 183
Philadelphia, PA 19104
John Morgan Building - Room 183
Philadelphia, PA 19104
Office: 215-898-0270
Education:
B.S. (Physics)
University of Alberta, Canada, 1999.
M.S. (Physics)
Simon Fraser University, Canada, 2002.
PhD (Physics)
Max-Planck-Institute / University of Hanover, Germany, 2006.
Permanent linkB.S. (Physics)
University of Alberta, Canada, 1999.
M.S. (Physics)
Simon Fraser University, Canada, 2002.
PhD (Physics)
Max-Planck-Institute / University of Hanover, Germany, 2006.
Selected Publications
Koch CJ, Kim MM, Wiersma RD: Radiochemical Oxygen Depletion Depends on Substrate and Dose-Rate: Implications for FLASH Effect. Int J Radiat Oncol Biol Phys 117(1): 214-222, Sep 2023.Sakaamini, Ahmad and Van Slyke, Alexander and Partouche, Julien and Wu, Tianming and Wiersma, Rodney D: An AI-based universal phantom analysis method based on XML-SVG wireframes with novel functional object identifiers. Physics in Medicine and Biology 68(14): 10.1088, Jul 2023.
Wei Zou, Haram Kim, Eric S Diffenderfer, David J Carlson, Cameron J Koch, Ying Xiao, BoonKeng K Teo, Michele M Kim, James M Metz, Yi Fan, Amit Maity, Costas Koumenis, Theresa M Busch, Rodney Wiersma, Keith A Cengel, Lei Dong: A phenomenological model of proton FLASH oxygen depletion effects depending on tissue vasculature and oxygen supply. Frontiers in Oncology 12: 1004121, Nov 2022.
Van Slyke AL, El Khatib M, Velalopoulou A, Diffenderfer E, Shoniyozov K, Kim MM, Karagounis IV, Busch TM, Vinogradov SA, Koch CJ, Wiersma RD.: Oxygen Monitoring in Model Solutions and In Vivo in Mice During Proton Irradiation at Conventional and FLASH Dose Rates. Radiat Res 198: 181-189, Aug 2022.
Liu X, Van Slyke AL, Pearson E, Shoniyozov K, Redler G, Wiersma RD.: Improving the efficiency of small animal 3D-printed compensator IMRT with beamlet intensity total variation regularization. Med Phys 49(8): 5400-5408, Aug 2022.
El Khatib M, Van Slyke AL, Velalopoulou A, Kim MM, Shoniyozov K, Allu SR, Diffenderfer EE, Busch TM, Wiersma RD, Koch CJ, Vinogradov SA.: Ultrafast Tracking of Oxygen Dynamics During Proton FLASH. Int J Radiat Oncol Biol Phys 113: 624-634, Jul 2022.
Yin, Lingshu; Zou, Wei; Kim, Michele M.; Avery, Stephen M.; Wiersma, Rodney D.; Teo, Boon-Keng K.; Dong, Lei; Diffenderfer, Eric S: Evaluation of two-voltage and three-voltage linear methods for deriving ion recombination correction factors in proton FLASH irradiation. IEEE Transactions on Radiation and Plasma Medical Sciences 6(3): 263-270, Mar 2022.
A Sakaamini, X Liu, R Wiersma: A Portable Real-Time Image-Guided 6DoF Robotic Positioning System for Canine FLASH Trials. AAPM Annual Meeting 2022.
J Ryser, R Wiersma, S Avery, X Liu, A Kassaee: Developing a 3D-Printed Phantom for Daily Proton QA of Two Energies (poster). AAPM Annual Meeting 2022.
D Holloman, A Sakaamini, X Liu, S Yoon, T Li, R Wiersma: Dosimetric Accuracy of 6DoF Robotics for SRS Motion Management. AAPM Annual Meeting 2022.