Erno Sajo is a Professor in the Physics Department and the Director of the Medical Physics Program at UMass Lowell.

Erno Sajo

Professor, Director - Medical Physics

College
College of Sciences
Department
Physics
Phone
978-934-3288
Office
Olney Hall 129
Email
Erno_Sajo@uml.edu

Expertise

Medical Physics & Radiological Science

Research Interests

Medical Physics and Radiological Sciences, Radiation Transport, Radiation Biology, Aerosol Transport, Atmospheric Dispersion

Education

  • Ph.D.: Physics, (1990), University of Lowell - Lowell, MA
  • MS: BS/MS Mechanical /Nuclear Engineering, (1983), Technical University of Budapest - Hungary

Selected Awards and Honors

  • Alpha Nu Sigma Honor Society
  • External Member (2012) - Hungarian Academy of Sciences
  • American Nuclear Society Meritorious Service Award (1994)
  • Louisiana Nuclear Society Meritorious Service Award (1993)
  • Best paper award (1989) - Student Conference of the American Nuclear Society

Selected Publications

  • Brivio, D., Naumann, L., Albert, S., Sajo, E., Zygmanski, P. (2019). 3D printing for rapid prototyping of low-Z/density ionization chamber arrays. Medical physics.
  • Brivio, D., Albert, S., Freund, E., Gagne, M.P., Sajo, E., Zygmanski, P. (2019). Self-powered nano-porous aerogel x-ray sensor employing fast electron current. Medical physics, 46(9) 4233-4240.
  • Knutson, N.C., Schmidt, M.C., Belley, M.D., Nguyen, N., Price, M., Mutic, S., Sajo, E., Li , H.H. (2018). Equivalency of beam scan data collection using a 1D tank and automated couch movements to traditional 3D tank measurements. Journal of applied clinical medical physics, 19(6) 60-67.
  • Toomeh, D., Gadoue, S.M., Yasmin-Karim, S., Singh, M., Shanker, R., Pal Singh, S., Kumar, R., Sajo, E., Ngwa, W. (2018). Minimizing the potential of cancer recurrence and metastasis by the use of graphene oxide nano-flakes released from smart fiducials during image-guided radiation therapy. Physica medica : PM : an international journal devoted to the applications of physics to medicine and biology : official journal of the Italian Association of Biomedical Physics (AIFB), 55 8-14.
  • Gadoue, S.M., Zygmanski, P., Sajo, E. (2018). The dichotomous nature of dose enhancement by gold nanoparticle aggregates in radiotherapy. Nanomedicine (London, England), 13(8) 809-823.
  • Brivio, D., Sajo, E., Zygmanski, P. (2017). Technical note: A novel interdigital transparent thin-film detector for medical dosimetry. Medical Physics.
  • Liu, B., Zygmanski, P., Sajo, E. (2017). Portal MV imaging with thin-film high-energy current X-ray detectors: A Monte Carlo study. Medical physics, 44(12) 6128-6137.
  • Brivio, D., Sajo, E., Zygmanski, P. (2017). Signal enhancement due to high-Z nanofilm electrodes in parallel plate ionization chambers with variable microgaps. Medical physics, 44(12) 6632-6640.
  • Ngwa, W., Ikhile, E., Ntekim, A., Lasebikan, N., Alabi, A., Shagaya, U.N., Omolara, F., Ali-Gombe, M., Bojude, A.D., Ngoma, M., Ngoma, T., Bhagwat, M., Irabor, O.C., Schoenfeld, J., Nguyen, P., Sajo, E., Laurie, F., Moni, J., Fitzgerald, T.J. (2017). Potential Role of the Quality Assurance Review Center Platform in Global Radiation Oncology. (99:4 pp. 956-962). International journal of radiation oncology, biology, physics
  • Gadoue, S.M., Toomeh, D., Zygmanski, P., Sajo, E. (2017). Angular dose anisotropy around gold nanoparticles exposed to X-rays. Nanomedicine : nanotechnology, biology, and medicine, 13(5) 1653-1661.
  • Knutson, N.C., Schmidt, M.C., Belley, M.D., Nguyen, N.B., Li , H.H., Sajo, E., Price, M.J. (2017). Technical Note: Direct measurement of continuous TMR data with a 1D tank and automated couch movements. Medical physics, 44(7) 3861-3865.
  • Brivio, D., Ada, E., Sajo, E., Zygmanski, P. (2017). Effective Contact Potential of Thin Film Metal-Insulator Nanostructures and Its Role in Self-Powered Nanofilm X-ray Sensors. ACS applied materials & interfaces, 9(12) 11258-11265.
  • Brivio, D., Nguyen, P.L., Sajo, E., Ngwa, W., Zygmanski, P. (2017). A Monte Carlo study of I-125 prostate brachytherapy with gold nanoparticles: dose enhancement with simultaneous rectal dose sparing via radiation shielding. Physics in medicine and biology, 62(5) 1935-1948.
  • Brivio, D., Sajo, E., Zygmanski, P. (2017). Comment on: Polarity effects and apparent ion recombination in microionization chambers Med. Phys. 43(5), 2141-2152 (2016). (44:3 pp. 1204-1205). Medical physics
  • Zygmanski, P., Sajo, E. (2016). A self-powered thin-film radiation detector using intrinsic high-energy current. Medical Physics, 43(1) 4–15.
  • Liu B, Z Ouyang, ., Sajo, E., Ngwa, W. (2016). Cerenkov Radiation Enhanced Radiotherapy with Titanium Dioxide Nanoparticle: A Monte Carlo Study. (43: pp. 3616).
  • Brivio, D., Sajo, E., Zygmanski, P. (2016). Comment on: Polarity effects and apparent ion recombination in microionization chambers. 43(5) 2141-2152.
  • Lok, E., Wong, E., Sajo, E. (2016). Computer Simulation of Tumor Treating Fields (pp. 41-54). Cham: Springer International Publishing
  • Hao, Y., Yasmin-Karim, S., Moreau, M., Sinha, N., Sajo, E., Ngwa, W. (2016). Enhancing radiotherapy for lung cancer using immunoadjuvants delivered in situ from new design radiotherapy biomaterials: a preclinical study. Physics in Medicine and Biology, 61(24) N697.
  • AlMansour S, J Chin, ., Sajo, E., Ngwa, W. (2016). Evaluating the Benefit of Using Dual-Function Fiducial Markers for In-Situ Delivery of Radiosenistizing Gold Nanoparticles During Image-Guided Radiotherapy (43: pp. 3616).
  • Lok, E., Sajo, E. (2016). Fundamental Physics of Tumor Treating Fields. Alternating Electric Fields Therapy in Oncology, 15.
  • Ngwa, W., Sajo, E., Ngoma T, J Dachi, J Julius Mwaiselage, O Kenton and S Avery, . (2016). Global Radiation Oncology Education and Training in Medical Physics Powered by Information and Communication Technologies. (43: pp. 3356).
  • Ouyang Z, G Strack, ., Sajo, E., Ngwa, W. (2016). Measurement of Hydroxyl Radicals in Radiolized Water Systems. (43: pp. 3619).
  • Ouyang, Z., Liu, B., Yasmin-Karim, S., Sajo, E., Ngwa, W. (2016). Nanoparticle-aided external beam radiotherapy leveraging the Cerenkov effect. Physica Medica, 32(7) 944–947.
  • Ouyang Z, Liu B, Yasmin-Karim S, ., Sajo, E., Ngwa, W. (2016). Nanoparticle-Aided External Beam Radiotherapy Leveraging the Cerenkov Effect. (43: pp. 3675).
  • Zygmanski, P., Sajo, E. (2016). Nanoscale radiation transport and clinical beam modeling for gold nanoparticle dose enhanced radiotherapy (GNPT) using X-rays. British Journal of Radiology, 89(1059) -1.
  • Ouyang, Z., Mainali, M.K., Sinha, N., Strack, G., Altundal, Y., Hao, Y., Winningham, T.A., Sajo, E., Celli, J., Ngwa, W. (2016). Potential of using cerium oxide nanoparticles for protecting healthy tissue during accelerated partial breast irradiation (APBI) . Physica Medica , 32(4) 631 - 635.
  • Zygmanski, P., Shrestha, S., Briovio, D., Karellas, A., Sajo, E. (2016). Prototypes of self-powered radiation detectors employing intrinsic high-energy current. Medical Physics, 43(1) 16–22.
  • Ouyang Z, S Yasmin-Karim, G Strack, ., Sajo, E., Ngwa, W. (2016). Selective Protection of Normal Tissue by Cerium Oxide Nanoparticles During Radiation Therapy. (43: pp. 3784).
  • Yuan Y, Zhang Y, Yasmin-Karim S, Karve A, ., Sajo, E., Ngwa, W. (2016). The Efficacy of Gold Nanoparticles as Contrast Agents in Mice. (43: pp. 3617).
  • Han, Z., Brivio, D., Sajo, E., Zygmanski, P. (2016). Topological detector: Measuring continuous dosimetric quantities with few-element detector array. Physics in Medicine and Biology, 61(16) N403 - N414.
  • Toomeh D, W Ngwa, ., Sajo, E., Y Hao and S Gadoue, . (2016). Using Graphene Oxide Nano Flakes During Image Guided Radiotherapy to Minimize the Potential of Cancer Recurrence Or Metastasis (43: pp. 3825).
  • Hao Y, Altundal Y,Moreau M, ., Sajo, E., Ngwa , W. (2016). New Potential for Employing Fiducials to Combat Metastasis via the Abscopal Effect. International Journal of Radiation Oncology • Biology • Physics, 93(4) E628. DOI: 10.1016/j.ijrobp.2015.07.2148.
  • Brivio D, Nguyen PL, ., Sajo, E., Ngwa W, Zygmanski P, . (2016). Radiosensitization of prostate with simultaneous rectal dose sparing via radiation trapping by gold nanoparticles in I-125 prostate brachytherapy. International Journal of Radiation Oncology • Biology • Physics, 96(2) E259–E260. DOI: 10.1016/j.ijrobp.2016.06.1273.
  • Sajo, E. (2016). Topological x-ray detectors (pp. www.radiation-oncology.de/uploads/Dokumente/Invitation 13. Summer Workshop 27.08.2016.pdf). Heidelberg University, Germany
  • Jermoumi, M., Yucel, A., Hao, Y., Cifter, G., Sajo, E., Ngwa, W. (2015). A Software App for Radiotherapy with In-situ Dose-painting using high Z nanoparticles (pp. 618–621).
  • Sinha, N., Cifter, G., Sajo, E., Kumar, R., Sridhar, S., Nguyen, P.L., Cormack, R.A., Makrigiorgos, G.M., Ngwa, W. (2015). Brachytherapy Application With In Situ Dose Painting Administered by Gold Nanoparticle Eluters. International Journal of Radiation Oncology* Biology* Physics, 91(2) 385–392.
  • Sajo, E., Wallace, W., Lumley, A., Heimbuch, B., Donahue, K., Nielsen, B., Owens, J., Wander, J. (2015). Capture of aerosolized spores from air streams impinging onto fabrics. Journal of Aerosol Science, 80 75–85.
  • Spencer, M., Sajo, E. (2015). Cell Survivor: Teaching radiobiological intuition with a video game (60:). Bulletin of the American Physical Society
  • Cifter, G., Altundal, Y., Detappe, A., Sajo, E., Berbeco, R., Makrigiorgos, M., Ngwa, W. (2015). Dose enhancement during concomitant chemoradiotherapy using FDA approved concentrations of carboplatin and oxaliplatin nanoparticles (pp. 1723–1726).
  • Brivio, D., Zygmanski, P., Arnoldussen, M., Hanlon, J., Chell, E., Sajo, E., Makrigiorgos, G., Ngwa, W. (2015). Kilovoltage radiosurgery with gold nanoparticles for neovascular age-related macular degeneration (AMD): a Monte Carlo evaluation. Physics in medicine and biology, 60(24) 9203.
  • Hao, Y., Cifter, G., Altundal, Y., Sinha, N., Moreau, M., Sajo, E., Makrigiorgos, G., Ngwa, W. (2015). MO-FG-BRA-04: Leveraging the Abscopal Effect Via New Design Radiotherapy Biomaterials Loaded with Immune Checkpoint Inhibitors (42:6 pp. 3565–3565). Medical physics
  • Cifter, G., Sajo, E., Korideck, H., Kumar, R., Sridhar, S., Cormack, R., Makrigiorgos, G., Ngwa, W. (2015). MO-FG-BRA-05: Next Generation Radiotherapy Biomaterials Loaded With Gold Nanoparticles (42:6 pp. 3565–3565). Medical physics
  • Goertz, L., Tsiamas, P., Karellas, A., Sajo, E., Zygmanski, P. (2015). Monte Carlo simulation of a prototypical patient dosimetry system for fluoroscopic procedures. Physics in medicine and biology, 60(15) 5891.
  • Altundal, Y., Sajo, E., Makrigiorgos, G.M., Berbeco, R.I., Ngwa, W. (2015). Nanoparticle-aided Radiotherapy for Retinoblastoma and Choroidal Melanoma (pp. 907–910).
  • Hao, Y., Altundal, Y., Moreau, M., Sajo, E., Ngwa, W. (2015). New Potential for Employing Fiducials to Combat Metastasis via the Abscopal Effect. International Journal of Radiation Oncology• Biology• Physics, 93(3) E628.
  • Altundal, Y., Cifter, G., Detappe, A., Sajo, E., Tsiamas, P., Zygmanski, P., Berbeco, R., Cormack, R.A., Makrigiorgos, M., Ngwa, W. (2015). New potential for enhancing concomitant chemoradiotherapy with FDA approved concentrations of cisplatin via the photoelectric effect. Physica Medica, 31(1) 25–30.
  • Hao, Y., Altundal, Y., Moreau, M., Sajo, E., Kumar, R., Ngwa, W. (2015). Potential for enhancing external beam radiotherapy for lung cancer using high-Z nanoparticles administered via inhalation. Physics in medicine and biology, 60(18) 7035.
  • Ngwa, W., Sajo, E., Ngoma, T., Bortfeld, T., Gierga, D., White, K.B., Akinwande, B., Enwerem-Bromson, M.M., Teboh, F.R., Winningham, T.A., others, . (2015). Potential for information and communication technologies to catalyze global collaborations in radiation oncology. International journal of radiation oncology, biology, physics, 91(2) 444.
  • Altundal, Y., Sajo, E., Ngwa, W. (2015). SU-D-210-04: Using Radiotherapy Biomaterials to Brand and Track Deadly Cancer Cells (42:6 pp. 3222–3222). Medical physics
  • Ouyang, Z., Altundal, Y., Sajo, E., Ngwa, W. (2015). SU-ET-279: Dose Enhancement Effect Due to Cerium Oxide Nanoparticles Employed as Radiation Protectants (42:6 pp. 3397–3397). Medical physics
  • Cifter, F., Dhou, S., Altundal, Y., Sajo, E., Lewis, J., Cormack, R. (2015). SU-ET-352: Effects of Skull Attenuation and Missing Backscatter On Brain Dose in HDR Treatment of the Head with Surface Applicators (42:6 pp. 3414–3414). Medical physics
  • Cifter, G., Chin, J., Cifter, F., Altundal, Y., Sinha, N., Sajo, E., Ngwa, W. (2015). Targeted radiotherapy enhancement during electronic brachytherapy of accelerated partial breast irradiation (APBI) using controlled release of gold nanoparticles. Physica Medica, 31(8) 1070–1074.
  • Elshahat, B., Gill, H.S., Filipyev, I., Shrestha, S., Hesser, J., Kumar, J., Karellas, A., Zygmanski, P., Sajo, E. (2015). Technical Note: Nanometric organic photovoltaic thin film detectors for dose monitoring in diagnostic x-ray imaging. Medical physics, 42(7) 4027–4032.
  • Brivio, D., Sajo, E., Zygmanski, P. (2015). Towards thin-film self-powered radiation detectors employing disparate conductive layers. Journal of Physics D: Applied Physics, 48(27) 275503.
  • Brivio, D., Zygmanski, P., Sajo, E., Makrigiorgos, G., Ngwa, W. (2015). TU-F-CAMPUS-T-02: Monte Carlo Evaluation of Kilovoltage Radiosurgery with AuNPs for Age Related Macular Degeneration (AMD) (42:6 pp. 3644–3644). Medical physics
  • Jermoumi, M., Sajo, E., Houari, K., Ngwa, W. (2015). TU-F-CAMPUS-T-05: Dose Escalation to Biological Tumor Volumes of Prostate Cancer Patients Using Gold Nanoparticles (42:6 pp. 3644–3645). Medical physics
  • Ngwa, W., Sajo, E. (2015). Closing the Cancer Divide through Ubuntu: Information and Communication Technology powered models for global radiation oncology. . Int. J. Rad Onc Biol Phys, 94(3) 440-449.
  • Sajo, E. (2015). Nanoscale Medical Physics. 12th Image Guided and Robotic Radiotherapy Workshop, Heidelberg University
  • Zygmanski, P., Shrestha, S., Elshahat, B., Karellas, A., (2015). Dosimetric properties of high energy current (HEC) detector in keV x-ray beams. Phys Med Biol, 60(7) 121-9.
  • Tsiamas, P., Mishra, P., Cifter, F., Berbeco, R.I., Marcus, K., Sajo, E., Zygmanski, P. (2014). Low-Z linac targets for low-MV gold nanoparticle radiation therapy. Med. Phys. , 41 021701.
  • Elshahat, B., Filipyev, I., Shrestha, S., Hesser, J., Gill, H., Kumar, J., Karellas, A., Zygmanski, P., Sajo, E. (2014). SU-E-CAMPUS-I-01: Nanometric Organic Photovoltaic Thin Film X-Ray Detectors for Clinical KVp Beams (41:6 pp. 384–385). Medical Physics
  • Sinha, N., Cifter, G., Sajo, E., Ngwa, W. (2014). SU-ET-333: Towards Customizable Radiotherapy Enhancement (CuRE) for Prostate Cancer Using Cisplatin Nanoparticles (41:6 pp. 301–301). Medical Physics
  • Cifter, G., Chin, J., Cifter, F., Sinha, N., Bellon, J., Sajo, E., Ngwa, W. (2014). Targeted Radiotherapy Enhancement During Accelerated Partial Breast Irradiation (ABPI) Using Controlled Release of Gold Nanoparticles (GNPs). Med. Phys. 41, 41 519.
  • Bortfeld, T., Ngoma, T., Odedina, F., Morgan, S., Wu, R., Sajo, E., Ngwa, W. (2014). WE-A-16A-01: International Medical Physics Symposium: Increasing Access to Medical Physics Education/Training and Research Excellence (41:6 pp. 484–486). Medical Physics
  • Altundal, Y., Sajo, E., Korideck, H., Ngwa, W. (2014). WE-G-BRE-03: Dose Painting by Numbers Using Targeted Gold Nanoparticles (41:6 pp. 517–517). Medical Physics
  • Hao, Y., Altundal, Y., Sajo, E., Detappe, A., Makrigiorgos, G., Berbeco, R., Ngwa, W. (2014). WE-G-BRE-06: New Potential for Enhancing External Beam Radiotherapy for Lung Cancer Using FDA-Approved Concentrations of Cisplatin Or Carboplatin Nanoparticles Administered Via Inhalation (41:6 pp. 518–518). Medical Physics
  • Sajo, E. (2014). Thin film radiation detectors for medical imaging and dosimetry applications. Image Guided and Robotic Radiotherapy Workshop, Heidelberg University
  • Sajo, E. (2014). Medical Physics Education Across Continents: The UMass Lowell and Heidelberg University Joint Coordination Effort. ” International Medical Physics Symposium: Increasing Access to Medical Physics Education/Training and Research Excellence. Annual Meeting of the American Association of Physicists in Medicine
  • Tsiamas, P., Sajo, E., Cifter, F., Theodorou, K., Kappas, C., Makrigiorgos, M., Marcus, K., Zygmanski, P. (2014). Beam quality and dose perturbation of 6MV flattening-filter-free linac. Physica Medica, 30(1) 47-56.
  • Tsiamas, P., Mishra, P., Cifter, F., Berbeco, R., Marcus, K., Sajo, E., Zygmanski, P. (2014). Low-Z linac targets for low-MV gold nanoparticle radiation therapy. Medical Physics, 41(2).
  • Zygmanski, P., Hoegele, W., Tsiamas, P., Cifter, F., Ngwa, W., Berbeco, R., Makrigiorgos, M., Sajo, E. (2013). A stochastic model of cell survival for high-Z nanoparticle radiotherapy. Medical physics, 40(2) 024102.
  • Matthews, K., Cherry, M.L., Sajo, E., Wang, W.H. (2013). Practical Techniques for Hand Held Directional Gamma Detection.
  • Altundal, Y., Sajo, E., Makrigiorgos, G., Ngwa, W. (2013). SU-E-T-302; Customizable Radiotherapy Enhancement (CuRE) for Retinal Diseases Using Nanoparticles. Medical Physics, 40(6) 274–274.
  • Sinha, N., Sajo, E., Korideck, H., Makrigiorgos, G., Ngwa, W. (2013). SU-E-T-586: Brachytherapy Application with in Situ Dose-Painting Administered Via Gold-Nanoparticle Eluters (BANDAGE) for Prostate Cancer (PCa). Medical Physics, 40(6) 340–340.
  • Cifter, G., Sajo, E., Makrigiorgos, G., Ngwa, W. (2013). WE-A-108-02: Radiotherapy Enhancement for Prostate Cancer Using Platinum-Based Nanoparticles. Medical Physics, 40(6) 465–465.
  • Ngwa, W., Altundal, Y., Sajo, E., Makrigiorgos, G., Berbeco, R. (2013). WE-E-108-02: Tumor Vasculature Dose-Painting with FDA Approved Concentrations of Cisplatin, Oxaliplatin, and Carboplatin Nanoparticles During External Beam Radiotherapy. Medical Physics, 40(6) 488–488.
  • Zygmanski, P., Liu, B., Tsiamas, P., Cifter, F., Petersheim, M., Hesser, J., Sajo, E. (2013). Dependence of Monte Carlo microdosimetric computations on the simulation geometry of gold nanoparticles. Physics in Medicine and Biology, 58(22) 7961-7977.
  • Sajo, E. (2013). Nanoparticle Transport in the Airways and Bloodstream. (Invited paper). The Image Guided and Robotic Radiotherapy Workshop
  • Sinha, N., Sajo, E., Korideck, H., Makrigiorgos, G., Ngwa, W. (2013). Brachytherapy Application with in Situ Dose-painting Administered Via Gold-Nanoparticle Eluters (BANDAGE) for Prostate Cancer (PCa). Annual Meeting of the American Association of Physicists in Medicine
  • Altundal, Y., Sajo, E., Makrigiorgos, G., Ngwa, W. (2013). Customizable Radiotherapy Enhancement (CuRE) for Retinal Diseases Using Nanoparticles. Annual Meeting of the American Association of Physicists in Medicine
  • Cifter, G., , E., Makrigiorgos, M., Ngwa, W. (2013). Radiotherapy Enhancement for Prostate Cancer Using Platinum-Based Nanoparticles. Annual Meeting of the American Association of Physicists in Medicine
  • Ngwa, W., Altundal, Y., Sajo, E., Makrigiorgos, G., Berbeco, R. (2013). Tumor Vasculature Dose-Painting with FDA Approved Concentrations of Cisplatin, Oxiplatin, and Carboplatin Nanoparticles During External Beam Radiotherapy. Annual Meeting of the American Association of Physicists in Medicine
  • Shiomitsu, K., Sajo, E., Rubin, C., Sehgal, I. (2013). The radiosensitizing effect of the aurora kinase inhibitors, ENMD-2076, on canine mast cell tumours in vitro. Veterinary and Comparative Oncology.
  • Geng, J., Park, H., Sajo, E. (2013). Simulation of aerosol coagulation and deposition under multiple flow regimes with arbitrary computational precision. Aerosol Science and Technology, 47(5) 530-542.
  • Zygmanski, P., Hoegele, W., Tsiamas, P., Cifter, F., Ngwa, W., Berbeco, R., Makrigiorgos, M., Sajo, E. (2013). A stochastic model of cell survival for high-Z nanoparticle radiotherapy. Medical Physics, 40(2).
  • Tsiamas, P., Liu, B., Cifter, F., Ngwa, W., Berbeco, R., Kappas, C., Theodorou, K., Marcus, K., Makrigiorgos, M., Sajo, E., Zygmanski, P. (2013). Impact of beam quality on megavoltage radiotherapy treatment techniques utilizing gold nanoparticles for dose enhancement. Physics in Medicine and Biology, 58(3) 451-464.
  • Tsiamas, P., Sajo, E., Cifter, F., Theodorou, K., Kappas, K., Makrigiorgos, M., Marcus, K., Zygmanski, P. (2012). SU-E-T-35: Optimal Clinical Megavoltage X-Ray Beam Quality for Contrast Enhanced RT (CERT). Medical Physics, 39(6) 3710–3710.
  • Dugas, J.P., Varnes, M.E., Sajo, E., Welch, C.E., Ham, K., Hogstrom, K.R. (2011). Dependence of cell survival on iododeoxyuridine concentration in 35-keV photon-activated Auger electron radiotherapy. International journal of radiation oncology, biology, physics, 79(1) 255-61.
  • Sajo, E. (2010). Update and Erratum on the Numerical Evaluation of the Exact Coagulation Cernel for Simultaneous Brownian Motion and Gravitational Settling. Aerosol Science and Technology, 44(10) 916-916.
  • Oves, S.D., Hogstrom, K.R., Ham, K., Sajo, E., Dugas, J.P. (2008). Dosimetry intercomparison using a 35-keV X-ray synchrotron beam. European journal of radiology, 68(3 Suppl) S121-5.
  • Dugas, J.P., Oves, S.D., Sajo, E., Matthews, 2nd, K.L., Ham, K., Hogstrom, K.R. (2008). Monochromatic beam characterization for Auger electron dosimetry and radiotherapy. European journal of radiology, 68(3 Suppl) S137-41.
  • Shiomitsu, K., Sajo, E., Xia, X., Hunley, D.W., Mauldin, G.E., Li , S., Mauldin, G.N. (2008). Radiosensitivity of canine osteosarcoma cells transfected with wild-type p53 in vitro. Veterinary and comparative oncology, 6(3) 193-200.
  • Sajo, E., Williams, M.L. (2006). TRANSMED: DETERMINISTIC PHOTON TRANSPORT FOR EXTERNAL BEAM THERAPY. CMPWG I.
  • Williams, M.L., Ilas, D., Sajo, E., Jones, D.B., Watkins, K.E. (2003). Deterministic photon transport calculations in general geometry for external beam radiation therapy. Medical physics, 30(12) 3183-95.
  • Sajo, E. (2003). An estimate of spatial uncertainty of mean concentrations predicted by Gaussian dispersion models. Health physics, 85(2) 174-83.
  • Sajo, E., Zhu, H., Courtney, J.C. (2002). Spatial distribution of indoor aerosol deposition under accidental release conditions. Health physics, 83(6) 871-83.
  • Williams, M.L., Sajo, E. (2002). Deterministic calculations of photon spectra for clinical accelerator targets. Medical physics, 29(6) 1019-28.
  • Sajo, E. (1999). On the recursive properties of Dawson's integral. Journal of Physics A: Mathematical and General, 26(12).
  • Sajo, E., Sheff, JR, . (1995). Solution to the inversely stated transient source-receptor problem. Transactions of the American Nuclear Society, 73(CONF-951006–).
  • Sajo, E. (1990). Application of G-transformation to reduce higher transcendental functions. Annals of Nuclear Energy, 17(10) 579–582.
  • Sajo, E. (1989). A note on products of the type (a + b)n. Annals of Nuclear Energy, 16(7) 361 - 362.

Selected Presentations

  • By: E. Sajo, "How to Improve the Education and Public Perception of Nuclear Power" - Invited colloquium at the Research and Development Committee of the Hungarian Academy of Sciences
  • By: E. Sajo, –Analysis of Aerosol Transport in the TPI Reactive Airlock."
  • By: E. Sajo, –Hazard assessment of airborne pollutants." - In Assessment and Remediation of Public Health Impacts by Hurricanes and Major Flooding Events,
  • By: E. Sajo, –Investigation of Indoor Aerosol Dispersion" - the Department of Energy, Health Physics Faculty Award Program, Oak Ridge Institute of Science and Education, February
  • Deterministic computations of nanoscale energy deposition about clusters of nanoparticles." - Image Guided and Robotic Radiotherapy Workshop, September 2012 - Heidelberg University, Germany
  • By: P. Tsiamas, E. Sajo, F. Cifter, K. Theodorou, C. Kappas, GM. Makrigiorgos, K. Marcus, P. Zygmanski, –Optimal beam quality of MV-x-rays for Contrast Enhanced Radiation Therapy." - Annual Meeting of the American Association of Physicists in Medicine, July 2012 - Charlotte, NC
  • By: Varnes M, Dugas J, Welch C, Sajo E, Hogstrom K. –Dependence of CHO cell survival on IUdR uptake for 35-keV photoactivated Auger electron therapy." - Medical Application of Synchrotron Radiation, February 2010 - Melbourne, Australia
  • By: Hampel J, Donahue K, Larkham T, Nielsen BJ, Owens JR, Wallace WH, Chambers P, Howland C, Sajo E. –Transition of Reactive Materials and Aerosol Science to Airlock Technologies." - Chemical and Biological Defense Science and Technology Conference, November 2009 - Dallas, TX
  • By: Sajo E, Geng J, Chambers P, Donahue K, Nielsen BJ, and Hampel J. –Computational Aerosol Transport Simulation of Military Airlocks." - Chemical and Biological Defense Science and Technology Conference, November 2009 - Dallas, TX
  • By: Sajo E, Geng J, Donahue K, and Hampel J. –Aerosol Coagulation and Deposition with Arbitrary Section Boundaries with Applications to Military Airlocks." - Chemical and Biological Defense Science and Technology Conference, November 2009 - Dallas, TX
  • By: Wallace WH, Sajo E, Lumley A, Heimbuch BK, Nielsen BJ, Owens JR, Wander JD, Chambers P, Hampel J. –Deposition of B. Anthracis Spores on Airlock Materials." - Chemical and Biological Defense Science and Technology Conference, November 2009 - Dallas, TX
  • By: Heimbuch BK, Wallace WH, Sajo E, Nielsen BJ, Kinney K, Owens JR, Wander JD. –Deposition of Bacillus Spores on Zero-Volume Airlock Materials." - Aerosol Research (AAAR) Annual Conference, October 2009 - Minneapolis, MN
  • By: Dugas JP, Varnes ME, Welch CE, Sajo E, Hogstrom KR, –Dependence of CHO Cell Survival On IUdR Uptake for 35-KeV Photoactivated Auger Electron Therapy." - Annual Meeting of the American Association of Physicists in Medicine, July 2009 - Anaheim CA
  • By: J. Dugas, S. Oves, E. Sajo, K. Hogstrom, –Characterizing a monochromatic X-ray beam from a 1.3 GeV synchrotron for Auger electron radiotherapy and dosimetry studies." - the Annual Meeting of the American Association of Physicists in Medicine, July 2008 - Orlando, FL
  • By: E. Sajo, –Aerosol phase space tracking using radiation transport theory." - –Aerosol Measurements" Session at the Annual Meeting of the Health Physics Society, July 2008 - Pittsburgh, PA
  • By: PJ Dugas, Oves SD, Matthews KL, Sajo E, Hogstrom K. Fluence: Determination in a polarized synchrotron-generated monochromatic X-ray beam. - Med Phys 2007, 2007
  • By: K. Hogstrom, S. Oves, J. Dugas, E. Sajo, K. Ham. –Dosimetry Intercomparison using 35-keV X- rays at CAMD." - Medical Applications of Synchrotron Radiation (MASR 2007), August 2007 - Saskatoon, Canada
  • By: PJ. Dugas, S. Oves, E. Sajo, K. Matthews, K. Ham, K. Hogstrom. –Monochromatic Beam Characterization for K-edge Capture Dosimetry and Radiotherapy at CAMD." - Medical Applications of Synchrotron Radiation (MASR 2007), August 2007 - Saskatoon, Canada
  • By: E. Sajo, –Numerical computation of particle collision rates in disparate flow regimes." - –Aerosol Measurements" Session at the Annual Meeting of the Health Physics Society, July 2007 - Portland, OR
  • By: E. Sajo, –The role of coagulation in aerosol transport - Theory versus Experimental observations" - the –Aerosol Measurements" Section of the Annual Meeting of the Health Physics Society, June 2006 - Providence, RI
  • By: E. Sajo, –Aerosol Transport and Dispersion" - the Nuclear Science and Technology Division of Oak Ridge National Laboratory, October 2005
  • By: Jarrott JM, Sajo E.: Experimental Method Development for Direct Dosimetry of Permanent Prostate Brachytherapy Implants. - the Annual Meeting of the American Association of Physicists in Medicine, July 2005 - Seattle, WA
  • By: E. Sajo, –Experimental Investigation of Aerosol Transport and Deposition due to Accidental Releases" - –Aerosol Measurements" Section at the Annual Meeting of the Health Physics Society, June 2005 - Spokane, WA
  • By: E. Sajo, –Computational Aerosol Transport" - the Aerosol Measurements User Group meeting, March 2005 - Los Alamos National Laboratory
  • By: E. Sajo, –Uncertainty assessment in atmospheric dispersion computations." - the Midyear meeting of the Health Physics Society, February 2005
  • By: O. Hidalgo-Salvatierra, I. Jurkovic, E. Sajo, –Irregular Radioactive Seeds Identified Before Prostate Implantation and Seeds Excreted After Implantation" - the Annual Meeting of ASTRO, November 2004
  • By: E. Sajo, P. Park, –Validation of the CAEROT code: 3-D Aerosol Transport and deposition in Confined Atmospheres" - 49th Annual Conference of the Health Physics Society, July 2004 - Washington, DC
  • By: E. Sajo, ML Williams, –Post-Implant Prostate Dosimetry Without Seed Localization" - Annual Meeting of the American Association of Physicists in Medicine, July 2004 - Pittsburgh, PA
  • By: Scott, L. M., E. Sajo –Estimated Public Radon Exposure Resulting from Storage and Cleaning of Petroleum Production Equipment" - Proceedings of The VI IRPA Regional Conference on Radiation Protection and Safety, November 2003 - Lima, Peru
  • By: E. Sajo, H. Park, –Computational Aerosol Transport to Predict Size-specific Concentration Distribution and Deposition in Space and Time" - the 7th Annual George Mason University - Defense Threat Reduction Agency Workshop on Atmospheric Transport and Dispersion Modeling, June 2003 - Fairfax, VA
  • By: E. Sajo, S. Raja, –A Three-dimensional Indoor Aerosol Transport Model" - 47th Annual Conference of the Health Physics Society, June 2002 - Tampa, FL
  • By: J. Pine, E. Sajo, –Modeling Biological Hazards" - US Dept. Justice Hazards Research and Applications Conference, July 2001 - Boulder, CO
  • By: E. Sajo, –Aerosol Dispersion Measurements in Enclosed Atmospheres" - the 2000 Midyear Conference of the Health Physics Society, 2000 - Virginia Beach, VA
  • By: W. R. Lee, E. Sajo, –Analysis of Mutational Effect of Incorporated Radionuclides" - the 11th International Congress of Radiation Research, July 1999 - Dublin, Ireland
  • By: E. Sajo, D. R. Reible, "Recommendations for Air Quality Dispersion Models and Related Aerometric Data Sets in Support of the Breton Aerometric Monitoring Program, Task 1", 1998
  • By: E. Sajo, "Experimental and Theoretical Investigations of Aerosol Transport in Closed Systems." - the 3rd International Conference of Physicists, July 1998 - Cuzco, Peru
  • By: E. Sajo, "Experimental and Theoretical Investigations of Aerosol Transport in Closed Systems." - the 3rd International Conference of Physicists, June 1998 - Cuzco, Peru
  • By: E. Sajo, "Verification of Proposed and Calculated Thermal Hydraulic Balance Conditions Associated with the Reactor Power Uprate and the High Pressure Turbine Upgrade at the Entergy River Bend Station", 1997
  • By: J. Pine, E. Sajo, R. East, "Extremely Hazardous Substances Transportation Study for Calcasieu and Southern Mississippi River Corridors", 1997
  • By: E. Sajo, M.L. Williams, "Pressure Vessel Neutron Spectrum Analysis of VVER440 Benchmark Experiments" - the American Nuclear Societyês Topical Meeting on Radiation Protection and Shielding, April 1996 - Falmouth, MA
  • By: E. Sajo, M.L. Williams, "Pressure Vessel Neutron Spectrum Analysis of VVER440 Benchmark Experiments" - the American Nuclear Societyês Topical Meeting on Radiation Protection and Shielding, April 1996 - Falmouth, MA
  • By: E. Sajo, "Beta Spectroscopy of Short-Lived Isotopes Using In-Cocktail Neutron Activation" - the Third International Conference on Methods and Applications of Radioanalytical Chemistry, April 1994 - Kailua-Kona, HI
  • By: E. Sajo, "Beta Spectroscopy of Short-Lived Isotopes Using In-Cocktail Neutron Activation" - the Third International Conference on Methods and Applications of Radioanalytical Chemistry, April 1994 - Kailua-Kona, HI
  • By: E. Sajo, M.L. Williams and M. Asgari, "Calculated and Measured Neutron Spectra Transmitted through Steel", 1993
  • By: E. Sajo, M.L. Williams, M. Asgari, F.B.K. Kam, "Computational Analysis of the VVER-440 Benchmark Experiment and Surveillance Neutron Dosimetry in the Czech LR-0 Test Facility", 1993
  • By: E. Sajo, F.B.K. Kam, "VVER-440 Dosimetry and Neutron Spectrum Benchmark" - Proceedings of the 21st Water Reactor Safety Information Meeting, October 1993 - Bethesda, MD
  • By: E. Sajo, F.B.K. Kam, "VVER-440 Dosimetry and Neutron Spectrum Benchmark" - the 21st Water Reactor Safety Information Meeting, October 1993 - Bethesda, MD
  • By: E. Sajo, "The Generalized Dawson Integral as a Universal Source Term of Source-Receptor Relations" - the International Conference on Industrial and Applied Mathematics, July 1991 - Washington, D.C.
  • By: E. Sajo, "An Analytical Solution of the Semi-Time Dependent Diffusion Equation" - American Nuclear Society Midwest Regional Student Conference, 1989 - University of Illinois at Urbana- Champaign
  • By: E. Sajo, "A New Mathematical Relation for Products of the Pochhammer Kind" - the 67th Annual Conference of the American Society of Engineering Education, 1989 - University of Vermont
  • By: E. Sajo, "A New Expansion for Sums of Pochhammer's Symbol" - the ANS Midwest Regional Student Conference, 1989
  • By: E. Sajo, "Chernobyl: Possible Causes and Consequences", 1986 - Invited presentation at the University of Lowell
  • By: E. Sajo, "An Analytical Multi-Group, Multi-Region Diffusion Model for PWRs." - The Bicentennial Student Conference, 1983 - the Technical University of Budapest

Selected Intellectual Property

  • Patent - Sajo, E., Zygmanski, P."Nanodetection Methods for High-Sensitivity Medical Imaging with Low Doses of Ionizing Radiation.," United States
  • Patent - Sajo, E., Williams, M.L."Embedded Radiation Emitter for the Localization and Dosimetry of Brachytherapy Seed Implants," US Patent 6,761,679 United States

Selected Contracts, Fellowships, Grants and Sponsored Research

  • Faculty Development in Nuclear Science and Engineering at UML (2011), Grant -
    Sajo, E. (Principal)
  • Computation of dose kernels using deterministic method (2011), Grant -
    Sajo, E. (Principal)