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Narayan Sahoo, Ph.D., FAAPM, FACR, FASTRO

Department of Radiation Physics, Division of Radiation Oncology

Present Title & Affiliation

Primary Appointment

Professor, Department of Radiation Physics - Patient Care, Division of Radiation Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX

Research Interests

Radiation dosimetry of small fields, dose distribution in inhomogeneous media, 3-D dosimtery and proton beam dosimetry.

Treatment plan optimization and evaluation.

Biophysical aspects of radiation therapy including biologically conformal radiation therapy planning and multiscale modeling of radiation response.

Electronic structure and properties of biomolecules.

Education & Training

Degree-Granting Education

1986	State University of New York at Albany, Albany, New York, US, Physics, Ph.D
1978	Institute of Physics, Bhubaneswar, IN, Physics, Diploma in Advanced Physics
1976	Utkal University, Bhubaneswar, IN, Physics, M.Sc
1974	Utkal University, Bhubaneswar, IN, Physics, B.Sc. (Honors)

Postgraduate Training

1990-1992

Post-doctoral Fellowship, Memorial Sloan-Kettering Cancer Center, New York, New York

Licenses & Certifications

2004	Medical Physicist License awarded by the Texas Medical Board
1995	American Board of Radiology: Therapeutic Radiological Physics, Lifetime

Experience & Service

Faculty Academic Appointments

Member, UT MD Anderson UT Health Houston Graduate School of Biomedical Sciences, Houston, TX, Houston, Texas, 2012 - 2025

Associate Member, UT MD Anderson UT Health Houston Graduate School of Biomedical Sciences, Houston, TX, 2004 - 2012

Associate Professor, Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, TX, 2004 - 2010

Associate Professor, Department of Radiation Oncology, Albany Medical College, Albany, NY, 2000 - 2004

Adjunct Assistant Professor, Department of Environmental and Energy Engineering, Rensselaer Polytechnic Institute, Troy, NY, 1999 - 2000

Assistant Professor, Department of Radiation Oncology, Albany Medical College, Albany, NY, 1992 - 2000

Adjunct Professor, Department of Physics, SUNY at Albany, Albany, NY, 1990 - 1992

Research Scientists, Department of Physics, SUNY at Albany, Albany, NY, 1987 - 1990

Research Associate, Department of Physics, SUNY at Albany, Albany, NY, 1986 - 1987

Teaching Assistant, Department of Physics, SUNY at Albany, Albany, NY, 1981 - 1986

Lecturer, Department of Physics, Bhadrakh College, Bhadrakh, 1980 - 1981

Research Fellow, Institute of Physics, Bhubaneswar, 1978 - 1980

Administrative Appointments/Responsibilities

Proton Therapy Physics Service Chief, Department of Radiation Physics - Pt Care, The University of Texas MD Anderson Cancer Center, Houston, TX, 2019 - Present

Director, Advanced Radiation Physics Fellowship Program for Proton Therapy, Department of Radiation Physics - Patient Care, The University of Texas MD Anderson Cancer Center, Houston, TX, 2009 - 2023

Chief Physicist, Department of Radiation Oncology, Albany Medical Center, Albany, NY, 2002 - 2004

Extramural Institutional Committee Activities

Member, Radiation Therapeutics & Radiation Oncology Divisional QAPI committee, The University of Texas MD Anderson Cancer Center, 2024 - Present

Member, Department of Physics Leadership Committee, The University of Texas MD Anderson Cancer Center, 2019 - Present

Member, Department of Radiation Physics and Division of Radiation Oncology Faculty Promotion Committee, The University of Texas MD Anderson Cancer Center, 2019 - Present

Member, Student Scholarship Committee, The University of Texas Graduate School of Biomedical Sciences, Houston, The University of Texas MD Anderson Cancer Center, 2015 - 2018

Member, Quality Improvement Oversight Committee, UT MD Anderson Cancer Center, The University of Texas MD Anderson Cancer Center, 2009 - 2010

Member, Education Committee for Health Professionals, UT MD Anderson Cancer Center, The University of Texas MD Anderson Cancer Center, 2009 - 2023

Member, Quality Assurance Committee, Albany Medical Center, Albany, The University of Texas MD Anderson Cancer Center, 2002 - 2004

Member, Radiation Safety Committee, Albany Medical Center, Albany, The University of Texas MD Anderson Cancer Center, 2002 - 2004

Member, Radiation Safety Committee of one of the affiliated hospitals of Regional Radiation Oncology Program of Albany Medical College, Albany, The University of Texas MD Anderson Cancer Center, 1995 - 1997

Member, Quality Assurance Committee of Department of radiation Oncology at one of the affiliated hospitals of Regional Oncology Program of Albany Medical College, Albany, The University of Texas MD Anderson Cancer Center, 1993 - 2002

Editorial Activities

Member, Board of Editors, Journal of Applied Clinical Medical Physics, 2012 - Present

Physics Advisory Editor, Medical Dosimetry, 2010 - Present

Honors & Awards

2025 - Present	Fellow, American Society of Radiation Oncology (ASTRO)
2022	Fellow, American College of Radiology
2013	Leadership award for Special Contributions in Education, Department of Radiation Physics, UT MD Anderson Cancer Center, Houston
2011	Fellow, American Association of Physicists in Medicine
2007	Outstanding Achievement Award for contributions in the field of Medical Physics, Department of Radiation Physics, UT MD Anderson Cancer Center, Houston
2007 - 2025	Multi-year appointment award, UT MD Anderson Cancer Center, Houston
1985	Honors for academic excellence, State University of New York at Albany

Professional Memberships

American Board of Radiology

2012 - 2016

Children's Oncology Group

2010 - Present

American College of Radiology

2010 - Present

American College of Medical Physics

2010 - 2011

Texas Chapter of the American College of Radiology

2010 - Present

Texas Section of the American Physical Society

2008 - Present

Southwest Chapter of the American Association of Physicists in Medicine

2008 - Present

American Society for Radiation Oncology

2000 - Present

American Association of Physicists in Medicine

1992 - Present

New York State Section of the American Physical Society

1985 - Present

American Physical Society

1985 - Present

Selected Presentations & Talks

National Presentations

2023. Quality Assurance in Proton Therapy. Invited. Annual Conference of Radiation Control Program Directors. Houston, TX, US.
2018. Overview of Potential & challenges for improving therapeutic gain with IMPT. Invited. Annual meeting of South West Chapter of AAPM. Houston, TX, US.
2015. Radiation dosimetry for proton therapy. Invited. AAPM Annual Meeting. Anaheim, CA, US.
2015. In vivo dosimetry for proton therapy. Invited. AAPM Summer School. Colorado Springs, CO, US.
2014. Radiation dosimetry for proton therapy. Invited. AAPM Annual Meeting. Austin, TX, US.
2013. Quality assurance implementation in proton therapy centers, UT MDACC experience. Invited. AAPM Annual Meeting. Indianapolis, IN, US.

International Presentations

2025. Introduction to Proton Therapy Physics. Visiting. GIAN lectures 2025. Kandi, IN.
2024. Integration of technology and biology for precision and personalized radiation oncology. Invited. Annual meeting of Association of Physicists of India (AMPI). Hyderabad, IN.
2024. Proton therapy generation to delivery techniques. Invited. 4th annual Apollo Proton Practicum. Chennai, IN.
2023. Future developments in IMPT for therapeutic gain. Invited. International Conference on Medical Physics. Mumbai, IN.

Formal Peers

2021. Quality Assurance in Proton Therapy. Invited.
2019. Role of proton therapy to enhance the efficacy of radiation treatment for cancer. Invited. Bhubaneswar, IN.
2019. Potential and challenges for improving therapeutic gain in radiation oncology using heavy charged particles. Invited. Jatni, IN.
2019. Role of proton therapy to enhance the efficacy of radiation treatment for cancer. Invited. Cuttack, IN.
2019. Treatment planning strategies to mitigate the range and RBE uncertainties in proton therapy for targets in the brain. Invited. Chennai, IN.
2019. Role of proton therapy to enhance the efficacy of radiation treatment for cancer. Invited. Vellore, IN.
2019. Radiation dosimetry and QA for proton therapy. Invited. Vellore, IN.
2019. Dosimetry and quality Assurance for spot scanned proton beam therapy. Invited. Mumbai, IN.
2016. Proton Therapy Physics. Visiting. Kochi, IN.
2016. Optimization of efficacy of radiation therapy: Application of physics in oncology. Invited. Bhubaneswar, IN.
2016. Treatment planning and quality assurance for spot scanned proton pencil beam therapy. Invited. Chennai, IN.
2013. Proton Beam Therapy for Cancer: Benefits and Obstacles. Invited. Hualien City, TW.
2013. Dosimetry, Treatment Planning and QA aspects of Spot Scanned Proton Pencil Beam. Invited. Gueishan Township, TW.
2013. Optimization of Radiation Therapy. Invited. Kweishan, TW.
2009. Optimization of efficacy of radiation therapy: Application of physics in oncology. Invited. Houghton, MI, US.
2008. Proton Beam Therapy for Cancer: Benefits and Obstacles. Invited. Denton, TX, US.
2002. Biophysical Modeling in Radiation Therapy for Cancer. Invited. Oneonta, NY, US.
1998. Structure Specific Quantitative Analysis of Dose Inhomogeneity-Application to Prostate. Invited. New York, NY, US.
1997. Biophysical Modeling in Radiation Therapy for Cancer. Invited. Bhubaneswar, IN.
1997. Cluster Calculation of Electronic Structure and Associated Properties of Condensed Matter Systems. Invited. Chennai, IN.
1994. Biophysical Modeling in Radiation Therapy for Cancer. Invited. Albany, NY, US.

Less

Grant & Contract Support

Date:	2020 - 2025
Title:	TOF-PET for Proton Therapy (TPPT): In-beam Time-of-Flight (TOF) Positron Emission Tomography (PET) for proton radiation therapy
Funding Source:	University of Texas Austin
Role:	PI

Date:	2020 - 2020
Title:	Image-guided proton therapy using a novel monolithic scintillator-based radiographic and CT imaging system
Funding Source:	UT MD Anderson Cancer Center- CCSG Radiation Oncology and Cancer Imaging System
Role:	Co-I

Date:	2019 - 2022
Title:	Proton Radiography and CT Using a Novel Image Detection System and Approach Based on Monolithic Scintillator and Digital Cameras
Funding Source:	NIH/NCI
Role:	Co-I

Date:	2016 - 2017
Title:	Characterizing the biologic response of therapeutic protons at the cellular and DNA level in terms of their physical interactions
Funding Source:	American Association of Physicists in Medicine
Role:	Co-I

Date:	2016 - 2017
Title:	Quantification of proton therapy plan robustness based on dosimetric and biological indices
Funding Source:	Varian Medical Systems
Role:	PI

Date:	2014 - 2017
Title:	Real-time volumetric scintillation dosimetry for radiation therapy
Funding Source:	NIH/NCI
Role:	Co-I
ID:	1R01CA182450-01

Date:	2013 - 2014
Title:	Enhancing the biological effectiveness of proton therapy using gold nanorods
Funding Source:	UT MD Anderson Cancer Center, Institutional Research Grant
Role:	Co-I

Date:	2011 - 2013
Title:	Large-scale parallelized 4D worst-case robust optimization for intensity-modulated proton therapy
Funding Source:	UT MD Anderson Cancer Center, Institutional Research Grant
Role:	Co-I

Date:	2009 - 2011
Title:	"Development of a computational radiation biophysics program for studying the interaction of bio-molecules in normal and malignant tissues with ionizing radiation, contrast agents and nanomaterials, and for multiscale modeling of the radiation response"
Funding Source:	UT MD Anderson Cancer Center, Department of Radiation Physics
Role:	PI

Date:	2008 - 2010
Title:	Evaluation of Enhanced Spot Beam Model for IMPT and Production of Library of Reference Measured Dose Distribution Data for Evaluation of Future Enhancements of IMPT Treatment Planning System
Funding Source:	Varian Medical Systems
Role:	Co-project leader

Date:	2008 - 2011
Title:	Optimizing Proton Radiation Therapy
Funding Source:	NIH/NCI
Role:	Co-I
ID:	2-P01CA021239-29A1

Selected Publications

Peer-Reviewed Articles

Liao, L, Xu, T, Chen, M, Su, TS, Sahoo, N, Zhu, X, Frank, SJ, Nguyen, Q, Liao, Z, Zhang, X. Evaluation of organ-specific relative biological effectiveness of proton therapy using radiation-induced pneumonitis as an endpoint. Clinical and Translational Radiation Oncology 56, 2026. e-Pub 2026. PMID: 41445933.
Gadoue SM, Sahoo N. A comparative study of clinically used fast Monte Carlo dose engines for proton therapy. J Appl Clin Med Phys 26(10):e70266, 2025. e-Pub 2025. PMID: 40988142.
Guan, F, Jiang, D, Wang, X, Yang, M, Iga, K, Li, Y, Bronk, LF, Bronk, JK, Wang, L, Guo, Y, Sahoo, N, Grosshans, DR, Koong, A, Zhu, XR, Mohan, R. Mimicking large spot-scanning radiation fields for proton FLASH preclinical studies with a robotic motion platform. Precision Radiation Oncology 8(4):168-181, 2024. e-Pub 2024. PMID: 40337456.
Hu, Y, Paris, S, Sahoo, N, Wang, Q, Wang, Q, Barsoumian, H, Huang, A, Da Silva, J, Bienassis, C, Leyton, CS, Voss, TA, Masrorpour, F, Riad, TS, Leuschner, C, Puebla-Osorio, N, Gandhi, S, Nguyen, Q, Wang, J, Cortez, MA, Welsh, J. Superior antitumor immune response achieved with proton over photon immunoradiotherapy is amplified by the nanoradioenhancer NBTXR3. Journal of nanobiotechnology 22(1), 2024. e-Pub 2024. PMID: 39354474.
Sosa, A, Rooney, MK, Thames, HD, Sanders, JW, Swanson, DM, Choi, S, Nguyen, Q, Mok, H, Kuban, DA, Ron Zhu, X, Shah, SJ, Mayo, LL, Hoffman, K, Tang, C, McGuire, SE, Sahoo, N, Zhang, X, Lee, AK, Pugh, T, Mahmood, U, Davis, JW, Chapin, BF, Corn, P, Kudchadker, R, Ausat, N, Frank, SJ. Proton therapy toxicity outcomes for localized prostate cancer. Clinical and Translational Radiation Oncology 48, 2024. e-Pub 2024. PMID: 39188999.
Wang, L, Sanders, JW, Ward, JF, Lee, SR, Poenisch, F, Swanson, DM, Sahoo, N, Zhu, XR, Ma, J, Kudchadker, RJ, Choi, S, Nguyen, Q, Mayo, LL, Shah, SJ, Frank, SJ. A Novel Polymer-Encapsulated Multi-Imaging Modality Fiducial Marker with Positive Signal Contrast for Image-Guided Radiation Therapy. Cancers 16(3), 2024. e-Pub 2024. PMID: 38339376.
Cesar, J, Abouzahr, F, Crespo, P, Gajda, M, Kuo, AS, Mawlawi, O, Morozov, A, Ojha, A, Poenisch, F, Proga, M, Sahoo, N, Seco, J, Takaoka, T, Tavienier, S, Titt, U, Wang, X, Zhu, X, Lang, K. First PET Studies of a FLASH Proton Beam. Bio-Algorithms and Med-Systems 20:49-54, 2024. e-Pub 2024.
Abouzahr, F, Cesar, JP, Crespo, P, Gajda, M, Hu, Z, Klein, K, Kuo, AS, Majewski, S, Mawlawi, O, Morozov, A, Ojha, A, Poenisch, F, Proga, M, Sahoo, N, Seco, J, Takaoka, T, Tavernier, S, Titt, U, Wang, X, Zhu, XR, Lang, K. The first probe of a FLASH proton beam by PET. Physics in medicine and biology 68(23), 2023. e-Pub 2023. PMID: 37918021.
Abouzahr F, Cesar JP, Crespo P, Gajda MJ, Hu Z, Klein K, Kuo A, Majewski S, Mawlawi OR, Morozov A, Ojha A, Poenisch F, Proga M, Sahoo N, Seco J, Takaoka T, Tavernier S, Titt U, Wang X, Zhu XR, Lang K. The first probe of a FLASH proton beam by PET. Phys Med Biol, 2023. e-Pub 2023.
Cao W, Li Y, Zhang X, Poenisch F, Yepes P, Sahoo N, Grosshans D, McGovern S, Gunn GB, Frank SJ, Zhu XR. Intensity modulated proton arc therapy via geometry-based energy selection for ependymoma. J Appl Clin Med Phys 24(7):e13954, 2023. e-Pub 2023. PMID: 36913484.
Hu Y, Paris S, Sahoo N, Bertolet G, Wang Q, Wang Q, Barsoumian HB, Da Silva J, Huang A, Doss DJ, Pollock DP, Hsu E, Selene N, Leyton CSK, Voss TA, Masrorpour F, Ganjoo S, Leuschner C, Pietz JT, Puebla-Osorio N, Gandhi S, Nguyen QN, Wang J, Cortez MA, Welsh JW. Nanoparticle-enhanced proton beam immunoradiotherapy drives immune activation and durable tumor rejection. JCI Insight 8(12), 2023. e-Pub 2023. PMID: 37345658.
Abouzahr F, Cesar JP, Crespo P, Gajda M, Hu Z, Kaye W, Klein K, Kuo AS, Majewski S, Mawlawi O, Morozov A, Ojha A, Poenisch F, Polf JC, Proga M, Sahoo N, Seco J, Takaoka T, Tavernier S, Titt U, Wang X, Zhu XR, Lang K. The first PET glimpse of a proton FLASH beam. Phys Med Biol 68(12), 2023. e-Pub 2023. PMID: 37141903.
Guan F, Wang X, Yang M, Draeger E, Han D, Iga K, Guo F, Perles L, Li Y, Sahoo N, Mohan R, Chen Z. Dosimetric response of Gafchromic™ EBT-XD film to therapeutic protons. Precis Radiat Oncol 7(1):15-26, 2023. e-Pub 2023. PMID: 37868341.
Zhu, XR, Li, Y, Yang, M, Whitaker, TJ, Taylor, PA, Zhang, X, Poenisch, F, Sahoo, N, Liao, Z, Chang, JY. Stereotactic body proton therapy for early stage non-small cell lung cancer - Technical challenges and solutions. Journal of Radiosurgery and SBRT 9(1):75-82, 2023. e-Pub 2023.
Zhu XR, Li Y, Yang M, Whitaker TJ, Taylor PA, Zhang X, Poenisch F, Sahoo N, Liao Z, Chang JY. Stereotactic body proton therapy for early stage non-small cell lung cancer–technical challenges and solutions: the MD Anderson experience. Journa of Radiosurgery and SBRT 9:75-82, 2023. e-Pub 2023.
Yang M, Wang X, Guan F, Titt U, Iga K, Jiang D, Takaoka T, Tootake S, Katayose T, Umezawa M, Schüler E, Frank S, Lin SH, Sahoo N, Koong AC, Mohan R, Zhu XR. Adaptation and dosimetric commissioning of a synchrotron-based proton beamline for FLASH experiments. Phys Med Biol 67(16), 2022. e-Pub 2022. PMID: 35853442.
Chen M, Wang Z, Jiang S, Sun J, Wang L, Sahoo N, Brandon Gunn G, Frank SJ, Xu C, Chen J, Nguyen QN, Chang JY, Liao Z, Ronald Zhu X, Zhang X. Predictive performance of different NTCP techniques for radiation-induced esophagitis in NSCLC patients receiving proton radiotherapy. Sci Rep 12(1):9178, 2022. e-Pub 2022. PMID: 35655073.
Titt U, Yang M, Wang X, Iga K, Fredette N, Schueler E, Lin SH, Zhu XR, Sahoo N, Koong AC, Zhang X, Mohan R. Design and validation of a synchrotron proton beam line for FLASH radiotherapy preclinical research experiments. Med Phys 49(1):497-509, 2022. e-Pub 2022. PMID: 34800037.
Cao J, Zhang X, Jiang B, Chen J, Wang X, Wang L, Sahoo N, Zhu XR, Ye R, Blanchard P, Garden AS, Fuller CD, Gunn GB, Frank SJ. Intensity-modulated proton therapy for oropharyngeal cancer reduces rates of late xerostomia. Radiother Oncol 160:32-39, 2021. e-Pub 2021. PMID: 33839202.
Farr JB, Moyers MF, Allgower CE, Bues M, Hsi WC, Jin H, Mihailidis DN, Lu HM, Newhauser WD, Sahoo N, Slopsema R, Yeung D, Zhu XR. Clinical commissioning of intensity-modulated proton therapy systems: Report of AAPM Task Group 185. Med Phys 48(1):e1-e30, 2021. e-Pub 2021. PMID: 33078858.
Ma D, Bronk L, Kerr M, Sobieski M, Chen M, Geng C, Yiu J, Wang X, Sahoo N, Cao W, Zhang X, Stephan C, Mohan R, Grosshans DR, Guan F. Author Correction: Exploring the advantages of intensity-modulated proton therapy: experimental validation of biological effects using two different beam intensity-modulation patterns. Sci Rep 10(1):19101, 2020. e-Pub 2020. PMID: 33127998.
Wang L, Cao J, Wang X, Lin E, Wang Z, Li Y, Li Y, Chen M, Wang X, Jiang B, Zhang R, Sahoo N, Zhang X, Zhu XR, Myers JN, Frank SJ. Proton and photon radiosensitization effects of niraparib, a PARP-1/-2 inhibitor, on human head and neck cancer cells. Head Neck 42(9):2244-2256, 2020. e-Pub 2020. PMID: 32323895.
Eley JG, Chadha AS, Quini C, Vichaya EG, Zhang C, Davis J, Sahoo N, Waddell J, Leiser D, Dilmanian FA, Krishnan S. Pilot study of neurologic toxicity in mice after proton minibeam therapy. Sci Rep 10(1):11368, 2020. e-Pub 2020. PMID: 32647361.
Dilmanian FA, Venkatesulu BP, Sahoo N, Wu X, Nassimi JR, Herchko S, Lu J, Dwarakanath BS, Eley JG, Krishnan S. Proton minibeams-a springboard for physics, biology and clinical creativity. Br J Radiol 93(1107):20190332, 2020. e-Pub 2020. PMID: 31944824.
Chen M, Yepes P, Hojo Y, Poenisch F, Li Y, Chen J, Xu C, He X, Gunn GB, Frank SJ, Sahoo N, Li H, Zhu XR, Zhang X. Transitioning from measurement-based to combined patient-specific quality assurance for intensity-modulated proton therapy. Br J Radiol 93(1107):20190669, 2020. e-Pub 2020. PMID: 31799859.
Ma D, Bronk L, Kerr M, Sobieski M, Chen M, Geng C, Yiu J, Wang X, Sahoo N, Cao W, Zhang X, Stephan C, Mohan R, Grosshans DR, Guan F. Exploring the advantages of intensity-modulated proton therapy: experimental validation of biological effects using two different beam intensity-modulation patterns. Sci Rep 10(1):3199, 2020. e-Pub 2020. PMID: 32081928.
Wang L, Yang L, Han S, Zhu J, Li Y, Wang Z, Fan YH, Lin E, Zhang R, Sahoo N, Li Y, Zhang X, Wang X, Li T, Zhu XR, Zhu H, Heymach JV, Myers JN, Frank SJ. Patterns of protein expression in human head and neck cancer cell lines differ after proton vs photon radiotherapy. Head Neck 42(2):289-301, 2020. e-Pub 2020. PMID: 31710172.
Wu RY, Williamson TD, Sahoo N, Nguyen T, Ikner SM, Liu AY, Wisdom PG, Lii M, Hunter RA, Alvarez PE, Gunn GB, Frank SJ, Hojo Y, Zhu XR, Gillin MT. Evaluation of the high definition field of view option of a large-bore computed tomography scanner for radiation therapy simulation. Phys Imaging Radiat Oncol 13:44-49, 2020. e-Pub 2020. PMID: 32551371.
Arjomandy B, Taylor P, Ainsley C, Safai S, Sahoo N, Pankuch M, Farr JB, Yong Park S, Klein E, Flanz J, Yorke ED, Followill D, Kase Y. AAPM task group 224: Comprehensive proton therapy machine quality assurance. Med Phys 46(8):e678-e705, 2019. e-Pub 2019. PMID: 31125441.
Yang Z, Li H, Li Y, Li Y, Chang Y, Li Q, Yang K, Wu G, Sahoo N, Poenisch F, Gillin M, Zhu XR, Zhang X. Statistical evaluation of worst-case robust optimization intensity-modulated proton therapy plans using an exhaustive sampling approach. Radiat Oncol 14(1):129, 2019. e-Pub 2019. PMID: 31324257.
Ge S, Wang X, Liao Z, Zhang L, Sahoo N, Yang J, Guan F, Mohan R. Potential for Improvements in Robustness and Optimality of Intensity-Modulated Proton Therapy for Lung Cancer with 4-Dimensional Robust Optimization. Cancers (Basel) 11(1), 2019. e-Pub 2019. PMID: 30609652.
Wang L, Han S, Zhu J, Wang X, Li Y, Wang Z, Lin E, Wang X, Molkentine DP, Blanchard P, Yang Y, Zhang R, Sahoo N, Gillin M, Zhu XR, Zhang X, Myers JN, Frank SJ. Proton versus photon radiation-induced cell death in head and neck cancer cells. Head Neck 41(1):46-55, 2019. e-Pub 2019. PMID: 30561022.
Liu C, Schild SE, Chang JY, Liao Z, Korte S, Shen J, Ding X, Hu Y, Kang Y, Keole SR, Sio TT, Wong WW, Sahoo N, Bues M, Liu W. Impact of Spot Size and Spacing on the Quality of Robustly Optimized Intensity Modulated Proton Therapy Plans for Lung Cancer. Int J Radiat Oncol Biol Phys 101(2):479-489, 2018. e-Pub 2018. PMID: 29550033.
Alsanea F, Wootton L, Sahoo N, Kudchadker R, Mahmood U, Beddar S. Exradin W1 plastic scintillation detector for in vivo skin dosimetry in passive scattering proton therapy. Phys Med 47:58-63, 2018. e-Pub 2018. PMID: 29609819.
Pidikiti R, Patel BC, Maynard MR, Dugas JP, Syh J, Sahoo N, Wu HT, Rosen LR. Commissioning of the world's first compact pencil-beam scanning proton therapy system. J Appl Clin Med Phys 19(1):94-105, 2018. e-Pub 2018. PMID: 29152838.
Guan F, Geng C, Ma D, Bronk L, Kerr M, Li Y, Gates D, Kroger B, Sahoo N, Titt U, Grosshans D, Mohan R. RBE Model-Based Biological Dose Optimization for Proton Radiobiology Studies. Int J Part Ther 5(1):160-171, 2018. e-Pub 2018. PMID: 30338268.
Lewis DJ, Taylor PA, Followill DS, Sahoo N, Mahajan A, Stingo FC, Kry SF. A New Anthropomorphic Pediatric Spine Phantom for Proton Therapy Clinical Trial Credentialing. Int J Part Ther 4(4):20-27, 2018. e-Pub 2018. PMID: 30214913.
Wang X, Li Y, Zhang X, Li H, Miyazaki K, Fujimoto R, Akiyama H, Gillin MT, Poenisch F, Sahoo N, Grosshans D, Gunn B, Frank SJ, Wang P, Lang J, Hou Q, Zhu XR. Synchrotron-Based Pencil Beam Scanning Nozzle with an Integrated Mini-Ridge Filter: A Dosimetric Study to Optimize Treatment Delivery. Cancers (Basel) 9(12), 2017. e-Pub 2017. PMID: 29236051.
Titt U, Suzuki K, Li Y, Sahoo N, Gillin MT, Zhu XR. Technical Note: Dosimetric Characteristics of the Ocular Beam Line and Commissioning Data for an Ocular Proton Therapy Planning System at the Proton Therapy Center Houston. Med Phys 44(12):6661-6671, 2017. e-Pub 2017. PMID: 28975637.
Darne CD, Alsanea F, Robertson DG, Sahoo N, Beddar S. Performance characterization of a 3D liquid scintillation detector for discrete spot scanning proton beam systems. Phys Med Biol 62(14):5652-5667, 2017. e-Pub 2017. PMID: 28593931.
Wang L, Wang X, Li Y, Han S, Zhu J, Wang X, Molkentine DP, Blanchard P, Yang Y, Zhang R, Sahoo N, Gillin M, Zhu XR, Zhang X, Myers JN, Frank SJ. Human papillomavirus status and the relative biological effectiveness of proton radiotherapy in head and neck cancer cells. Head Neck 39(4):708-715, 2017. e-Pub 2017. PMID: 28039958.
Wang X, Poenisch F, Sahoo N, Zhu RX, Lii M, Gillin MT, Li J, Grosshans D. Spot scanning proton therapy minimizes neutron dose in the setting of radiation therapy administered during pregnancy. J Appl Clin Med Phys 17(5):6327, 2016. e-Pub 2016. PMID: 27685136.
McFadden CH, Hallacy TM, Flint DB, Granville DA, Asaithamby A, Sahoo N, Akselrod MS, Sawakuchi GO. Time-Lapse Monitoring of DNA Damage Colocalized With Particle Tracks in Single Living Cells. Int J Radiat Oncol Biol Phys 96(1):221-7, 2016. e-Pub 2016. PMID: 27511858.
Suzuki K, Palmer MB, Sahoo N, Zhang X, Poenisch F, Mackin DS, Liu AY, Wu R, Zhu XR, Frank SJ, Gillin MT, Lee AK. Quantitative analysis of treatment process time and throughput capacity for spot scanning proton therapy. Med Phys 43(7):3975, 2016. e-Pub 2016. PMID: 27370116.
Liu W, Schild SE, Chang JY, Liao Z, Chang YH, Wen Z, Shen J, Stoker JB, Ding X, Hu Y, Sahoo N, Herman MG, Vargas C, Keole S, Wong W, Bues M. Exploratory Study of 4D versus 3D Robust Optimization in Intensity Modulated Proton Therapy for Lung Cancer. Int J Radiat Oncol Biol Phys 95(1):523-33, 2016. e-Pub 2016. PMID: 26725727.
Gameiro SR, Malamas AS, Bernstein MB, Tsang KY, Vassantachart A, Sahoo N, Tailor R, Pidikiti R, Guha CP, Hahn SM, Krishnan S, Hodge JW. Tumor Cells Surviving Exposure to Proton or Photon Radiation Share a Common Immunogenic Modulation Signature, Rendering Them More Sensitive to T Cell-Mediated Killing. Int J Radiat Oncol Biol Phys 95(1):120-30, 2016. e-Pub 2016. PMID: 27084634.
Sawakuchi GO, Ferreira FA, McFadden CH, Hallacy TM, Granville DA, Sahoo N, Akselrod MS. Nanoscale measurements of proton tracks using fluorescent nuclear track detectors. Med Phys 43(5):2485, 2016. e-Pub 2016. PMID: 27147359.
Yu J, Zhang X, Liao L, Li H, Zhu R, Park PC, Sahoo N, Gillin M, Li Y, Chang JY, Komaki R, Lin SH. Motion-robust intensity-modulated proton therapy for distal esophageal cancer. Med Phys 43(3):1111, 2016. e-Pub 2016. PMID: 26936698.
Granville DA, Sahoo N, Sawakuchi GO. Simultaneous measurements of absorbed dose and linear energy transfer in therapeutic proton beams. Phys Med Biol 61(4):1765-79, 2016. e-Pub 2016. PMID: 26859539.
Yepes P, Guan F, Kerr M, Randeniya S, Li Y, Bronk L, Liu A, Mirkovic D, Sahoo N, Titt U, Anand A, Mohan R. Validation of a track-repeating algorithm versus measurements in water for proton scanning beams. Biomedical Physics & Engineering Express 2:037002, 2016. e-Pub 2016.
Li Y, Niemela P, Liao L, Jiang S, Li H, Poenisch F, Zhu XR, Siljamaki S, Vanderstraeten R, Sahoo N, Gillin M, Zhang X. Selective robust optimization: A new intensity-modulated proton therapy optimization strategy. Med Phys 42(8):4840, 2015. e-Pub 2015. PMID: 26233211.
Liengsawangwong P, Sahoo N, Ding X, Lii M, Gillin MT, Zhu XR. Dosimetric characteristics of a two-dimensional diode array detector irradiated with passively scattered proton beams. Cancers (Basel) 7(3):1425-1435, 2015. e-Pub 2015. PMID: 26264024.
Liu W, Liao Z, Schild SE, Liu Z, Li H, Li Y, Park PC, Li X, Stoker J, Shen J, Keole S, Anand A, Fatyga M, Dong L, Sahoo N, Vora S, Wong W, Zhu XR, Bues M, Mohan R. Impact of respiratory motion on worst-case scenario optimized intensity modulated proton therapy for lung cancers. Pract Radiat Oncol 5(2):e77-86, 2015. e-Pub 2015. PMID: 25413400.
Wootton L, Holmes C, Sahoo N, Beddar S. Passively scattered proton beam entrance dosimetry with a plastic scintillation detector. Phys Med Biol 60(3):1185-98, 2015. e-Pub 2015. PMID: 25591037.
Tabibian AA, Powers A, Dolormente K, Oommen S, Tiwari A, Palmer M, Zhu XR, Li H, Sahoo N, Wisdom P, Velasco K, Erhart K, Stanley H, Nguyen BN. Is there a clinical benefit with a smooth compensator design compared with a plunged compensator design for passive scattered protons?. Med Dosim 40(1):37-43, 2015. e-Pub 2015. PMID: 25263491.
Chang JY, Li H, Zhu XR, Liao Z, Zhao L, Liu A, Li Y, Sahoo N, Poenisch F, Gomez DR, Wu R, Gillin M, Zhang X. Clinical implementation of intensity modulated proton therapy for thoracic malignancies. Int J Radiat Oncol Biol Phys 90(4):809-18, 2014. e-Pub 2014. PMID: 25260491.
Granville DA, Sahoo N, Sawakuchi GO. Calibration of the Al2O3:C optically stimulated luminescence (OSL) signal for linear energy transfer (LET) measurements in therapeutic proton beams. Phys Med Biol 59(15):4295-310, 2014. e-Pub 2014. PMID: 25029434.
Frank SJ, Cox JD, Gillin M, Mohan R, Garden AS, Rosenthal DI, Gunn GB, Weber RS, Kies MS, Lewin JS, Munsell MF, Palmer MB, Sahoo N, Zhang X, Liu W, Zhu XR. Multifield optimization intensity modulated proton therapy for head and neck tumors: a translation to practice. Int J Radiat Oncol Biol Phys 89(4):846-53, 2014. e-Pub 2014. PMID: 24867532.
Winey B, Shih HA, Sahoo N, Lee A, Vapiwala N, Both S. Core physics competencies for proton therapy training of radiation oncology and medical physics residents and fellows. Int J Radiat Oncol Biol Phys 88(4):971-2, 2014. e-Pub 2014. PMID: 24606858.
Li Y, Kardar L, Li X, Li H, Cao W, Chang JY, Liao L, Zhu RX, Sahoo N, Gillin M, Liao Z, Komaki R, Cox JD, Lim G, Zhang X. On the interplay effects with proton scanning beams in stage III lung cancer. Med Phys 41(2):021721, 2014. e-Pub 2014. PMID: 24506612.
Grant RL, Summers PA, Neihart JL, Blatnica AP, Sahoo N, Gillin MT, Followill DS, Ibbott GS. Relative stopping power measurements to aid in the design of anthropomorphic phantoms for proton radiotherapy. J Appl Clin Med Phys 15(2):4523, 2014. e-Pub 2014. PMID: 24710437.
Zhu XR, Poenisch F, Li H, Zhang X, Sahoo N, Wu RY, Li X, Lee AK, Chang EL, Choi S, Pugh T, Frank SJ, Gillin MT, Mahajan A, Grosshans DR. A single-field integrated boost treatment planning technique for spot scanning proton therapy. Radiat Oncol 9:202, 2014. e-Pub 2014. PMID: 25212571.
Granville DA, Sahoo N, Sawakuchi. Linear energy transfer dependence of Al2O3:C optically stimulated luminescence detectors exposed to therapeutic proton beams. Radiation Measurements 71:69-73, 2014. e-Pub 2014.
Kardar L, Li Y, Li X, Li H, Cao W, Chang JY, Liao L, Zhu RX, Sahoo N, Gillin M, Liao Z, Komaki R, Cox JD, Lim G, Zhang X. Evaluation and mitigation of the interplay effects of intensity modulated proton therapy for lung cancer in a clinical setting. Pract Radiat Oncol 4(6):e259-68, 2014. e-Pub 2014. PMID: 25407877.
Liu W, Mohan R, Park P, Liu Z, Li H, Li X, Li Y, Wu R, Sahoo N, Dong L, Zhu XR, Grosshans DR. Dosimetric benefits of robust treatment planning for intensity modulated proton therapy for base-of-skull cancers. Pract Radiat Oncol 4(6):384-91, 2014. e-Pub 2014. PMID: 25407859.
Mackin D, Zhu XR, Poenisch F, Li H, Sahoo N, Kerr M, Holmes C, Li Y, Lii M, Wu R, Suzuki K, Gillin MT, Frank SJ, Grosshans D, Zhang X. Spot-Scanning Proton Therapy Patient-Specific Quality Assurance: Results from 309 Treatment Plans. International Journal of Particle Therapy 1:711-720, 2014. e-Pub 2014.
Pugh TJ, Munsell MF, Choi S, Nguyen QN, Mathai B, Zhu XR, Sahoo N, Gillin M, Johnson JL, Amos RA, Dong L, Mahmood U, Kuban DA, Frank SJ, Hoffman KE, McGuire SE, Lee AK. Quality of Life and Toxicity From Passively Scattered and Spot-Scanning Proton Beam Therapy for Localized Prostate Cancer. Int J Radiat Oncol Biol Phys 87(5):946-53, 2013. e-Pub 2013. PMID: 24139077.
Mackin D, Li Y, Taylor MB, Kerr M, Holmes C, Sahoo N, Poenisch F, Li H, Lii J, Amos R, Wu R, Suzuki K, Gillin MT, Zhu XR, Zhang X. Improving spot-scanning proton therapy patient specific quality assurance with HPlusQA, a second-check dose calculation engine. Med Phys 40(12):121708, 2013. e-Pub 2013. PMID: 24320494.
Dhanesar S, Sahoo N, Kerr M, Taylor MB, Summers P, Zhu XR, Poenisch F, Gillin M. Quality assurance of proton beams using a multilayer ionization chamber system. Med Phys 40(9):092102, 2013. e-Pub 2013. PMID: 24007171.
Park PC, Cheung JP, Zhu XR, Lee AK, Sahoo N, Tucker SL, Liu W, Li H, Mohan R, Court LE, Dong L. Statistical assessment of proton treatment plans under setup and range uncertainties. Int J Radiat Oncol Biol Phys 86(5):1007-13, 2013. e-Pub 2013. PMID: 23688812.
Li H, Sahoo N, Poenisch F, Suzuki K, Li Y, Li X, Zhang X, Lee AK, Gillin MT, Zhu XR. Use of treatment log files in spot scanning proton therapy as part of patient-specific quality assurance. Med Phys 40(2):021703, 2013. e-Pub 2013. PMID: 23387726.
Robertson D, Mirkovic D, Sahoo N, Beddar S. Quenching correction for volumetric scintillation dosimetry of proton beams. Phys Med Biol 58(2):261-73, 2013. e-Pub 2013. PMID: 23257200.
Kandula S, Zhu X, Garden AS, Gillin M, Rosenthal DI, Ang KK, Mohan R, Amin MV, Garcia JA, Wu R, Sahoo N, Frank SJ. Spot-scanning beam proton therapy vs intensity-modulated radiation therapy for ipsilateral head and neck malignancies: A treatment planning comparison. Med Dosim 38(4):390-4, 2013. e-Pub 2013. PMID: 23916884.
Dinh J, Stoker J, Georges RH, Sahoo N, Zhu XR, Rath S, Mahajan A, Grosshans DR. Comparison of proton therapy techniques for treatment of the whole brain as a component of craniospinal radiation. Radiat Oncol 8:289, 2013. e-Pub 2013. PMID: 24344645.
Wang LL, Perles LA, Archambault L, Sahoo N, Mirkovic D, Beddar S. Determination of the quenching correction factors for plastic scintillation detectors in therapeutic high-energy proton beams. Phys Med Biol 57(23):7767-81, 2012. e-Pub 2012. PMID: 23128412.
Park PC, Cheung J, Zhu XR, Sahoo N, Court L, Dong L. Fast range-corrected proton dose approximation method using prior dose distribution. Phys Med Biol 57(11):3555-69, 2012. e-Pub 2012. PMID: 22588165.
Kerns JR, Kry SF, Sahoo N. Characteristics of optically stimulated luminescence dosimeters in the spread-out Bragg peak region of clinical proton beams. Med Phys 39(4):1854-63, 2012. e-Pub 2012. PMID: 22482607.
Archambault L, Poenisch F, Sahoo N, Robertson D, Lee A, Gillin MT, Mohan R, Beddar S. Verification of proton range, position, and intensity in IMPT with a 3D liquid scintillator detector system. Med Phys 39(3):1239-46, 2012. e-Pub 2012. PMID: 22380355.
Li Y, Zhu RX, Sahoo N, Anand A, Zhang X. Beyond Gaussians: a study of single-spot modeling for scanning proton dose calculation. Phys Med Biol 57(4):983-97, 2012. e-Pub 2012. PMID: 22297324.
Boehling NS, Grosshans DR, Bluett JB, Palmer MT, Song X, Amos RA, Sahoo N, Meyer JJ, Mahajan A, Woo SY. Dosimetric Comparison of Three-Dimensional Conformal Proton Radiotherapy, Intensity-Modulated Proton Therapy, and Intensity-Modulated Radiotherapy for Treatment of Pediatric Craniopharyngiomas. Int J Radiat Oncol Biol Phys 82(2):643-52, 2012. e-Pub 2012. PMID: 21277111.
Anand A, Sahoo N, Zhu XR, Sawakuchi GO, Poenisch F, Amos RA, Ciangaru G, Titt U, Suzuki K, Mohan R, Gillin MT. A procedure to determine the planar integral spot dose values of proton pencil beam spots. Med Phys 39(2):891-900, 2012. e-Pub 2012. PMID: 22320798.
Park PC, Zhu XR, Lee AK, Sahoo N, Melancon AD, Zhang L, Dong L. A beam-specific planning target volume (PTV) design for proton therapy to account for setup and range uncertainties. Int J Radiat Oncol Biol Phys 82(2):e329-36, 2012. e-Pub 2012. PMID: 21703781.
Zhang X, Liu W, Li Y, Li X, Quan M, Mohan R, Anand A, Sahoo N, Gillin M, Zhu XR. Parameterization of multiple Bragg curves for scanning proton beams using simultaneous fitting of multiple curves. Phys Med Biol 56(24):7725-35, 2011. e-Pub 2011. PMID: 22085829.
Zhu XR, Poenisch F, Song X, Johnson JL, Ciangaru G, Taylor MB, Lii M, Martin C, Arjomandy B, Lee AK, Choi S, Nguyen QN, Gillin MT, Sahoo N. Patient-specific quality assurance for prostate cancer patients receiving spot scanning proton therapy using single-field uniform dose. Int J Radiat Oncol Biol Phys 81(2):552-9, 2011. e-Pub 2011. PMID: 21300457.
Kerns JR, Kry SF, Sahoo N, Followill DS, Ibbott GS. Angular dependence of the nanoDot OSL dosimeter. Med Phys 38(7):3955-62, 2011. e-Pub 2011. PMID: 21858992.
Suzuki K, Gillin MT, Sahoo N, Zhu XR, Lee AK, Lippy D. Quantitative analysis of beam delivery parameters and treatment process time for proton beam therapy. Med Phys 38(7):4329-37, 2011. e-Pub 2011. PMID: 21859034.
Sha RL, Reddy PY, Sahoo N. A linear source table to determine the treatment times for cylindrical applicators used in high dose rate brachytherapy. Brachytherapy 10(3):249-252, 2011. e-Pub 2011. PMID: 20933480.
Li H, Zhang L, Dong L, Sahoo N, Gillin MT, Zhu XR. A CT-based software tool for evaluating compensator quality in passively scattered proton therapy. Phys Med Biol 55(22):6759-71, 2010. e-Pub 2010. PMID: 21030745.
Arjomandy B, Sahoo N, Ciangaru G, Zhu R, Song X, Gillin M. Verification of patient-specific dose distributions in proton therapy using a commercial two-dimensional ion chamber array. Med Phys 37(11):5831-5837, 2010. e-Pub 2010. PMID: 21158295.
Sawakuchi GO, Sahoo N, Gasparian PB, Rodriguez MG, Archambault L, Titt U, Yukihara EG. Determination of average LET of therapeutic proton beams using Al(2)O(3):C optically stimulated luminescence (OSL) detectors. Phys Med Biol 55(17):4963-76, 2010. e-Pub 2010. PMID: 20693613.
Sawakuchi GO, Mirkovic D, Perles LA, Sahoo N, Zhu XR, Ciangaru G, Suzuki K, Gillin MT, Mohan R, Titt U. An MCNPX Monte Carlo model of a discrete spot scanning proton beam therapy nozzle. Med Phys 37(9):4960-4970, 2010. e-Pub 2010. PMID: 20964215.
Sawakuchi GO, Zhu XR, Poenisch F, Suzuki K, Ciangaru G, Titt U, Anand A, Mohan R, Gillin MT, Sahoo N. Experimental characterization of the low-dose envelope of spot scanning proton beams. Phys Med Biol 55(12):3467-78, 2010. e-Pub 2010. PMID: 20508318.
Arjomandy B, Tailor R, Anand A, Sahoo N, Gillin M, Prado K, Vicic M. Energy dependence and dose response of Gafchromic EBT2 film over a wide range of photon, electron, and proton beam energies. Med Phys 37(5):1942-7, 2010. e-Pub 2010. PMID: 20527528.
Wang X, Sahoo N, Zhu RX, Zullo JR, Gillin MT. Measurement of neutron dose equivalent and its dependence on beam configuration for a passive scattering proton delivery system. Int J Radiat Oncol Biol Phys 76(5):1563-70, 2010. e-Pub 2010. PMID: 20097484.
Zhu XR, Sahoo N, Zhang X, Robertson D, Li H, Choi S, Lee AK, Gillin MT. Intensity modulated proton therapy treatment planning using single-field optimization: the impact of monitor unit constraints on plan quality. Med Phys 37(3):1210-9, 2010. e-Pub 2010. PMID: 20384258.
Sawakuchi GO, Titt U, Mirkovic D, Ciangaru G, Zhu XR, Sahoo N, Gillin MT, Mohan R. Monte Carlo investigation of the low-dose envelope from scanned proton pencil beams. Phys Med Biol 55(3):711-721, 2010. e-Pub 2010. PMID: 20071752.
Gillin MT, Sahoo N, Bues M, Ciangaru G, Sawakuchi G, Poenisch F, Arjomandy B, Martin C, Titt U, Suzuki K, Smith AR, Zhu XR. Commissioning of the discrete spot scanning proton beam delivery system at the University of Texas M.D. Anderson Cancer Center, Proton Therapy Center, Houston. Med Phys 37(1):154-163, 2010. e-Pub 2010. PMID: 20175477.
Zullo JR, Kudchadker RJ, Zhu XR, Sahoo N, Gillin MT. LIF TLD-100 as a dosimeter in high energy proton beam therapy-can it yield accurate results?. Med Dosim 35(1):63-66, 2010. e-Pub 2010. PMID: 19931017.
Ciangaru G, Sahoo N, Zhu XR, Sawakuchi GO, Gillin MT. Computation of doses for large-angle Coulomb scattering of proton pencil beams. Phys Med Biol 54(24):7285-7300, 2009. e-Pub 2009. PMID: 19926912.
Arjomandy B, Sahoo N, Cox J, Lee A, Gillin M. Comparison of surface doses from spot scanning and passively scattered proton therapy beams. Phys Med Biol 54(14):N295-N302, 2009. e-Pub 2009. PMID: 19550003.
Beddar S, Archambault L, Sahoo N, Poenisch F, Chen GT, Gillin MT, Mohan R. Exploration of the potential of liquid scintillators for real-time 3D dosimetry of intensity modulated proton beams. Med Phys 36(5):1736-1743, 2009. e-Pub 2009. PMID: 19544791.
Pönisch F, Archambault L, Briere TM, Sahoo N, Mohan R, Beddar S, Gillin MT. Liquid scintillator for 2D dosimetry for high-energy photon beams. Med Phys 36(5):1478-85, 2009. e-Pub 2009. PMID: 19544763.
Sahoo N, Zhu XR, Arjomandy B, Ciangaru G, Lii M, Amos R, Wu R, Gillin MT. A procedure for calculation of monitor units for passively scattered proton radiotherapy beams. Med Phys 35(11):5088-5097, 2008. e-Pub 2008. PMID: 19070243.
Sahoo N, Kazi AM, Hoffman M. Semi-empirical procedures for correcting detector size effect on clinical MV x-ray beam profiles. Med Phys 35(11):5124-5133, 2008. e-Pub 2008. PMID: 19070247.
Arjomandy B, Sahoo N, Ding, X, Gillin, M. Use of a two-dimensional ionization chamber array for proton therapy beam quality assurance. Med Phys 35(9):3889-3894, 2008. e-Pub 2008. PMID: 18841839.
Titt U, Sahoo N, Ding X, Zheng Y, Newhauser WD, Zhu XR, Polf JC, Gillin MT, Mohan R. Assessment of the accuracy of an MCNPX-based Monte Carlo simulation model for predicting three-dimensional absorbed dose distributions. Phys Med Biol 53(16):4455-70, 2008. e-Pub 2008. PMID: 18670050.
Li Y, Zhang X, Lii M, Sahoo N, Zhu XR, Gillin M, Mohan R. Incorporating partial shining effects in proton pencil-beam dose calculation. Phys Med Biol 53(3):605-616, 2008. e-Pub 2008. PMID: 18199905.
Wang B, Goldstein M, Xu XG, Sahoo N. Adjoint Monte Carlo method for prostate external photon beam treatment planning: an application to 3D patient anatomy. Phys Med Biol 50(5):923-35, 2005. e-Pub 2005. PMID: 15798265.
Jeong J, Briere T, Ohira S, Sahoo N, Nishiyama K, Nagamine K, Das T. Theory of Trapping of Muon and Muonium and Hyperfine Interactions in the Organic Ferromagnet p-NPNN (beta-phase). . Physica B 326:563-567, 2003. e-Pub 2003.
Jeong J, Briere T, Ohira S, Sahoo N, Nishiyama K, Nagamine K, Das T. Study of Muon Magnetic Hyperfine Interactions and Nuclear Quadrupole Interactions and Easy Axis in the Organic Ferromagnet p-Cl-Ph-CH=N-TEMPO. . Physica B 334:334-342, 2003. e-Pub 2003.
Scheicher R, Cammarere D, Sahoo N, Das T, Briere T, Pratt F, Nagamine K. First-Principles Study of Muon and Muonium Trapping in the Protein Chain of Cytochrome c. . Physica B 326:30-33, 2003. e-Pub 2003.
Jeong J, Briere T, Sahoo N, Ohira S, Nishiyama K, Nagamine K, Das T. Quantitative Test of Electronic Structures of Organic Ferromagnet Systems from First Principles Investigations Using Muon Spin Rotation Data. . Phys. Rev B 66:132411, 2002. e-Pub 2002.
Sahoo N. Measurement of transit time of a remote after-loading high dose rate brachytherapy source. Med Phys 28(8):1786-90, 2001. e-Pub 2001. PMID: 11548950.
Pati R, Sahoo N, Das T, Ray S. Electronic Structure and Nuclear Quadrupole Interactions in Heroin. . Journal of Physical Chemistry A 102:3209-3214, 1998. e-Pub 1998.
Pati R, Sahoo N, Das T, Ray S. Electronic Structure Investigation and Nuclear Quadrupole Interactions in β-HMX. . Journal of Physical Chemistry A 101:8302-8308, 1997. e-Pub 1997.
Pati R, Das T, Sahoo N, Ray S. Theoretical Investigation of Electronic Structure and Nuclear Quadrupole Interactions in Cocaine Free Base. . Journal of Physical Chemistry A 101:6101-6106, 1997. e-Pub 1997.
Srinivas S, Sulaiman S, Sahoo N, Das T, Torikai E, Nishiyama K, Nagamine K. Theory of Hyperfine Interactions associated with Negative Muon in Lanthanum Copper-Oxide High-Tc System. Hyperfine Interactions 105:167-173, 1997. e-Pub 1997.
Sahoo N, Ling CC, Anderson LL. Analysis of factors affecting the therapeutic gain in high dose rate gynecological implants relative to low dose rate implants. Med Phys 23(3):419-25, 1996. e-Pub 1996. PMID: 8815385.
Nunes S, Sulaiman S, Sahoo N, Das T, Frank M, Kreische W, Nielsen K. Study of the Location of Implanted Fluorine Atoms in Si and Ge through their Nuclear Quadrupole Interactions. Zeits. f. Naturforschung 51A:560-564, 1996. e-Pub 1996.
Hagelberg F, Srinivas S, Sahoo N, Das TP, Weil KG. Ab initio investigations on Sb4 analogous Zintl clusters. Physical Review. A 53(1):353-365, 1996. e-Pub 1996. PMID: 9912891.
Pati R, Srinivas S, Brier T, Das T, Sahoo N, Ray S. First-principles Investigation of Nitrogen Nuclear Quadrupole Interactions in the RDX (C3H6N6O6) System. . Journal of Physical Chemistry 99:9051-9055, 1995. e-Pub 1995.
Steiner M, Potzel W, Kofferlein M, Karzel H, Schiessl W, Kalvius GM, Mitchell DW, Sahoo N, Klauss HH, Das TP, Feigelson RS, Schmidt G. Lattice dynamics and hyperfine interactions in ZnF2 single crystals. Physical Review. B. Condensed Matter 50(18):13355-13363, 1994. e-Pub 1994. PMID: 9975527.
Hagelberg F, Neeser S, Sahoo N, Das TP, Weil KG. Geometry and bonding in alkali-metal-atom-antimony (AnSb4) clusters. Physical Review. A 50(1):557-566, 1994. e-Pub 1994. PMID: 9910926.
Sulaiman SB, Srinivas S, Sahoo N, Hagelberg F, Das TP, Torikai E, Nagamine K. Theory of the location and associated hyperfine properties of the positive muon in La2CuO4. Physical Review. B. Condensed Matter 49(14):9879-9884, 1994. e-Pub 1994. PMID: 10009788.
Ling CC, Roy J, Sahoo N, Wallner K, Anderson L. Quantifying the effect of dose inhomogeneity in brachytherapy: application to permanent prostatic implant with 125I seeds. Int J Radiat Oncol Biol Phys 28(4):971-8, 1994. e-Pub 1994. PMID: 8138450.
Markert S, Sahoo N, Das T, Mantel M, Langhoff H. Ab-initio Calculations of Excited Rare-Gas Alkali Ions. . Z. Phys D 29:85-89, 1994. e-Pub 1994.
Nunes S, Sahoo N, Hagelberg F, Das T, Nielsen K. 1st-principles Study of the Influence of Fluorine-Fluorine Interactions on the Nuclear-Quadrupole Parameters in Flurobenzenes. . Journal of American Chemical Society 115:5145-5148, 1993. e-Pub 1993.
Hagelberg F, Sahoo N, Das TP, Weil KG, Speidel K. Hartree-Fock investigations of the structure of Sb4 clusters. Physical Review. A 46(9):6087-6090, 1992. e-Pub 1992. PMID: 9908872.
Ling CC, Sahoo N, Leibel S, Anderson LL. High dose rate gynecological applications--radiobiological considerations based on the alpha-beta model. Radiother Oncol 25(2):103-10, 1992. e-Pub 1992. PMID: 1438929.
Sulaiman SB, Sahoo N, Das TP, Donzelli O. Theory of nuclear quadrupole interactions of 135Ba and 139La in YBa2Cu3O6 and La2CuO4. Physical Review. B. Condensed Matter 45(13):7383-7386, 1992. e-Pub 1992. PMID: 10000514.
Sahoo N, Ramani Lata K, Das T. First-Principles Unrestricted Hartree-Fock Investigation of Electronic Structure and Hyperfine Properties of Heme Derivatives-Hemin. . Theoretica Chimica Acta 82:285-298, 1992. e-Pub 1992.
Mitchell DW, Sulaiman SB, Sahoo N, Das TP, Potzel W, Kalvius GM. Hartree-Fock cluster investigation of 67Zn nuclear quadrupole interaction in zinc oxide. Physical Review. B. Condensed Matter 44(13):6728-6730, 1991. e-Pub 1991. PMID: 9998546.
Sulaiman SB, Sahoo N, Das TP, Donzelli O, Torikai E, Nagamine K. Theory of copper hyperfine interactions in the La2CuO4 system. Physical Review. B. Condensed Matter 44(13):7028-7033, 1991. e-Pub 1991. PMID: 9998588.
Ramani Lata K, Sahoo N, Das T. Nature of Second Hydration Shell in Mn2+-Aquoion System-Influence on Proton Relaxivity in Nuclear Magnetic Resonance. . The Journal of Chemical Physics 91:3715-3721, 1991. e-Pub 1991.
Luo L, Sahoo N, Smith G, Gibson W, Das T. Hartree-Fock Cluster Investigation of Geometric and Electronic Structures of Boron-Adsorbed Si(111) Surface. . Journal of The Physical Society of Japan 60:3139-3144, 1991. e-Pub 1991.
Sulaiman S, Sahoo N, Mishra K, Das T, Bonde-Nielssen K. Theory of Location and Quadrupole Interaction of 19F* in Silicon. . Hyperfine Interactions 60:861-864, 1990. e-Pub 1990.
Stein J, Sulaiman S, Sahoo N, Das T. Theory of 63Cu Nuclear Quadrupole Interaction in Cuprite. . Hyperfine Interactions 60:849-852, 1990. e-Pub 1990.
Sahoo N Das T. Theory of Hyperfine Interactions in Aqueous Mn+3-Porphyrin System. . Hyperfine Interactions 61:1197-1200, 1990. e-Pub 1990.
Sahoo N Das T. Geometrical Arrangement of Water Molecules in Copper-Aquoion Complex-Influence on Shifts and Relaxivities in Nuclear Magnetic Resonance. . The Journal of Chemical Physics 93:1200-1208, 1990. e-Pub 1990.
Sahoo N, Markert S, Das TP, Nagamine K. Theory of electron distributions and 63Cu and 17O nuclear quadrupole interactions in the high-Tc system YBa2Cu3O7. Physical Review. B. Condensed Matter 41(1):220-224, 1990. e-Pub 1990. PMID: 9992757.
Mohamed N, Sahoo N, Mishra K, Kelires P, Das T, Frank M, Ott C, Roseler B, Weeske G, Kreische W, Van Rossum M. Theory of 19F* Nuclear Quadrupole Interaction in Solid Hydrogen Fluoride. . Hyperfine Interactions 60:857-860, 1990. e-Pub 1990.
Marfey P, Sahoo N, Das T. Theory of 14N Nuclear Quadrupole Interaction in Pyrrole, Indole and Carbazole. . Hyperfine Interactions 61:1193-1196, 1990. e-Pub 1990.
Lindgren B, Sahoo N, Sulaiman S, Das T. Comparison of Hyperfine Properties of Halosilanes by two Different Cluster Procedures. . Hyperfine Interactions 61:1189-1192, 1990. e-Pub 1990.
Lieberich R, Schmidt P, Sahoo N, Das T. Augmented Plane Wave Study of Electric Field-Gradients in Non-Cubic Metals. . Zeits. f. Naturforschung A 45:368-374, 1990. e-Pub 1990.
Klauss H, Sahoo N, Kelires P, Das T, Potzel W, Kalvius M, Frank M, Kreische W, Das T. Theory of 67Zn and 19F* Nuclear Quadrupole Interaction in ZnF2. . Hyperfine Interactions 60:853-856, 1990. e-Pub 1990.
Sahoo N, Sulaiman SB, Mishra KC, Das TP. Theory of structure and hyperfine properties of anomalous muonium in elemental semiconductors: Diamond, silicon, and germanium. Physical Review B. Condensed Matter 39(18):13389-13410, 1989. e-Pub 1989. PMID: 9948242.
Sahoo N Das T. Hyperfine Interactions and Relaxivities in Divalent and Trivalent Aquoion Systems. The Journal of Chemical Physics 91:7740-7748, 1989. e-Pub 1989.
Mohapatra SM, Dev BN, Mishra KC, Sahoo N, Gibson WM, Das TP. Investigation of the electronic structures and associated properties including hyperfine interactions for halogen-adsorbed silicon surfaces: Fluorine through iodine. Physical Review B. Condensed Matter 38(17):12556-12566, 1988. e-Pub 1988. PMID: 9946201.
Mohapatra S, Sahoo N, Mishra K, Dev B, Gibson W, Das T. Nuclear Quadrupole Interaction Associated with Adsorbed Halogen and Chalcogen atoms at Semiconductor Surfaces. Hyperfine Interactions 34:581-584, 1987. e-Pub 1987.
Sahoo N, Mishra K, Van Rossum M, Das T. First-Principles Cluster Investigation of Electronic Structure and Hyperfine Interactions for Nitrogen in Diamond. . Hyperfine Interactions 35:701-704, 1987. e-Pub 1987.
Sahoo N, Mishra K, Das T. Hartree-Fock Cluster Investigation of Normal Muonium in Silicon-Trend With Respect to Diamond. . Hyperfine Interactions 32:601-606, 1986. e-Pub 1986.
Schmidt P, Coker A, Ray S, Sahoo N, Das T. Theory of Nuclear Quadrupole Interactions in Aluminum and Copper Metals in the Presence of Muon. . Hyperfine Interactions 31:69-74, 1986. e-Pub 1986.
Sahoo N, Mishra K, Das T, Schmidt P. Vacancy Associated Model for Anomalous Muonium in Diamond, Silicon and Germanium. . Hyperfine Interactions 32:619-624, 1986. e-Pub 1986.
Sahoo N, Mishra KC, Das TP. Identification of anomalous muonium in semiconductors as a vacancy-associated center. Physical Review Letters 55:1506-1509, 1985. e-Pub 1985. PMID: 10031841.
Sahoo N, Mishra S, Mishra K, Coker A, Das T, Mitra C, Snyder L, Glodeanu A. Electronic Structure and Hyperfine Interactions of Muonium in Semiconductors. Hyperfine Interaction 18:525-541, 1984. e-Pub 1984.
Sahoo N, Mishra S, Mishra K, Coker A, Das T, Mitra C, Snyder L, Glodeanu A. Self-Consistent Field Investigation of Location and Hyperfine Interaction of Muonium in Diamond. . Physical Review Letters 50:913-917, 1983. e-Pub 1983.
Sahoo N Tripathi R. Adiabatic Index of Hot Dense Stellar Matter. . Physics Letters B 89:295-298, 1980. e-Pub 1980.
Sahoo N Tripathi R. Equation of State for Hot Nuclear Matter. . Physics Letters B 83:417-420, 1979. e-Pub 1979.

Invited Articles

Mohapatra S, Dev B, Thundat T, Luo L, Gibson W, Mishra K, Sahoo N, Das T. Theory of Electronic Structures and Associated Properties of Surface Adsorbed Semiconductor Systems. Rev in Solid State Physics 4:873-900, 1990. e-Pub 1990.

Review Articles

Pollard-Larkin JM, Briere TM, Kudchadker RJ, Sadagopan R, Nitsch PL, Wang XA, Salehpour M, Wang J, Vedam S, Nelson CL, Sahoo N, Zhu XR, Court LE, Balter PA, Robinson IJ, Yang J, Howell RM, Followill DS, Kry S, Beddar SA, Martel MK. Our Experience Leading a Large Medical Physics Practice During the COVID-19 Pandemic. Adv Radiat Oncol 6(4):100683, 2021. e-Pub 2021. PMID: 33824935.
Sahoo N, Poenisch F, Zhang X, Li Y, Lii M, Li H, Gautam AS, Wu R, Gillin M, Zhu XR. 3D treatment planning system-Varian Eclipse for proton therapy planning. Med Dosim 43(2):184-194, 2018. e-Pub 2018. PMID: 29753334.
Zhu XR, Li Y, Mackin D, Li H, Poenisch F, Lee AK, Mahajan A, Frank SJ, Gillin MT, Sahoo N, Zhang X. Towards effective and efficient patient-specific quality assurance for spot scanning proton therapy. Cancers (Basel) 7(2):631-47, 2015. e-Pub 2015. PMID: 25867000.
Arjomandy B, Sahoo N, Zhu XR, Zullo JR, Wu RY, Zhu M, Ding X, Martin C, Ciangaru G, Gillin MT. An overview of the comprehensive proton therapy machine quality assurance procedures implemented at The University of Texas M. D. Anderson Cancer Center Proton Therapy Center-Houston. Med Phys 36(6):2269-2282, 2009. e-Pub 2009. PMID: 19610316.

Abstracts

Adair AH, Liao L, Zhang X, Zhu XR, Sahoo N, Gunn B, Frank S, Yepes PP. Development of the aperture for McSquare+: An in-house intensity modulated proton therapy simulation at the Proton Therapy Center at the University of Texas MD Anderson Cancer Center. Medical Physics 50(6):e845-e846, 2023. e-Pub 2023.
Guan F, Jiang D, Wang X, Yang M, Iga K, Li Y, Bronk LF, Bronk J, Sahoo N, Grosshans D, Koong AC, Titt U, Zhu XR, Mohan R. A strategy to increase the radiation field size in a proton flash setup for preclinical radiobiological studies. Medical Physics 50(6):e728-E729, 2023. e-Pub 2023.
Li Y, Whitaker TJ, Sahoo N. Feasibility study of applying Multi-Layer Ion Chamber in routine photon and electron dosimetry QA. Medical Physics 50(6):e716-e717, 2023. e-Pub 2023.
Titt U, Wang L, Yang M, Wang X, Iga K, Sahoo N, Zhu X, Koong A, Lin S, Frank S, Mohan R. Designing customized In-Vitro experimental setups for proton FLASH preclinical studies. Medical Physics 49(6):e866-e867, 2022. e-Pub 2022.
Titt U, Yang M, Wang X, Lin S, Iga K, Sahoo N, Koong A, Zhang X, Mohan R. Optimizing design and commissioning of a synchrotron proton beamline for FLASH preclinical experiments. Medical Physics 48(6), 2021. e-Pub 2021.
Titt U, Grosshans D, Sahoo N, Zhu, XR, Mohan R. Monte Carlo evaluation of neutron dose equivalent to patients treated with vertex beams in IMPT and PSPT. Medical Physics 48(6), 2021. e-Pub 2021.
Adair A, Liao L, Zhang X, Zhu X, Sahoo N, Gunn B, Frank S, Yepes, P. Improving the speed of optimizing intensity modulated proton therapy treatment plans by means of redesigning the fluence map optimization based in-house Proton Therapy Center optimizer at The University of Texas MD Anderson Cancer Center. Medical Physics 47(6):e797, 2020. e-Pub 2020.
Liao L, Chen M, Adair A, Zhu X, Cao W, Sahoo N, Ynag M, Gunn B, Frank S, Zhang X. Region-specific robust optimization for intensity-modulated proton therapy. Medical Physics 47(6):e481, 2020. e-Pub 2020.
Chen M, Wang Z, Sun J, Jiang S, Gunn B, Frank S, Xu C, Chen J, Nguyen Q, Chang J, Liao Z, Sahoo N, Zhu X, Zhang Z. A generic normal tissue complication probability model for predicting radiation-induced esophagitis observed in non-small cell lung cancer patient. Medical Physics 47(6):e446, 2020. e-Pub 2020.
Guan F, Bronk L, Ma D, Kerr M, Wang X, Sahoo N, Grosshans DR, Mohan R. Comparing the microdosimetric kinetic model-predicted proton RBE values using constant and variable quadratic beta coefficients. International Journal of Radiation Oncology • Biology • Physics 105(1):E792-E793, 2019. e-Pub 2019.
Venkatesulu BP, Mahadevan LSK, Hsieh CE, Kim BK, Sanders KL, Symons JL, Singh PK, Sahoo N, Krishnan S. Harnessing the differential immune signature of high versus low linear energy transfer protons to elicit potent systemic immune responses in colorectal cancer. International Journal of Radiation Oncology • Biology • Physics 105(1):E667-E668, 2019. e-Pub 2019.
Darne CD, Alsanea F, Robertson DG, Hojo Y, Sahoo N, Beddar S. 3D scintillator detector system for proton scanning beam therapy. International Journal of Radiation Oncology • Biology • Physics 105(1):S89-S90, 2019. e-Pub 2019.
Ma D, Kerr M, Bronk L, Wang X, Sahoo N, Grosshans D, Mohan R, Guan F. Experimental validation of the enhancement of biological effects using enhanced-LET proton therapy. Medical Physics 46(6):e354, 2019. e-Pub 2019.
Gautam A, McGovern S, Zhu X, Sahoo N. Determination of the water equivalent thickness of strata XRT gel and evaluation of the dosimetric fffect of its application on the skin of proton therapy patients. Medical Physics 46(6):e542, 2019. e-Pub 2019.
Sahoo N, Gautam A, Poenisch F, Williamson T, Zhang X, Li Y, Li H, Wu R, Gillin M, Grosshans D, Zhu X. Treatment planning strategies to mitigate the range and RBE uncertainties in proton therapy for targets in the brain. Medical Physics 46(6):e443, 2019. e-Pub 2019.
Chen M, Yepes P, Poenisch F, Li, Y, Cu C, He X, Chen J, Sahoo N, Li H, Zhu X, Zhang X. Impact of dose calculation engine on field patching in spot scanning proton therapy. Medical Physics 46(6):e589, 2019. e-Pub 2019.
Chen M, Yepes P, Cao W Poenisch F, Li, Y, Cu C, He X, Chen J, Sahoo N, Li H, Zhu X, Zhang X. LET-guided planning strategies for localized prostate cancer in proton therapy. Medical Physics 46(6):e596, 2019. e-Pub 2019.
Poenisch F, Roemhild P, Sahoo N, Gillin M, Zhu XR. Smearing parameter for smooth compensator in passive scattering proton therapy. Medical Physics 45(6):e-267, 2018. e-Pub 2018.
Bronk L, Kroger B, Ma D, Kerr M, Tran K, Teubner F, Patel D, Titt U, Sahoo N, Sulman E, Guan F, Mohan R, Grosshans D. Mapping biological effects along a scanned 81.4 MeV Proton Beam: LET modulation of the DNA repair response. Medical Physics 45(6):e-391, 2018. e-Pub 2018.
Patel D, Poenisch F, Sahoo N, Zhu X R, Gillin M, Janson M, Mohan R, Titt U. Evaluation of a pencil beam scanning proton dose model for a commercial treatment planning system. Medical Physics 45(6):e-261, 2018. e-Pub 2018.
Choi S, Blanchard P, Ye R, Lee AK, Nguyen QN, Pugh T, Zhu XR, Sahoo N, Frank SJ. Outcomes following proton therapy for the treatment of prostate cancer: efficacy and toxicity results from 2 prospective single institution cohorts. International Journal of Radiation Oncology, Biology, Physics 99(2S):E221, 2017. e-Pub 2017.
Aliru ML, Aziz K, Bodd M, Sanders K, Mahadevan LSK, Sahoo N, Tailor RC, Krishnan S. Targeted gold nano-particles enhance radiation effects in pancreatic tumor models. International Journal of Radiation Oncology, Biology, Physics 99(2S):E574-E575, 2017. e-Pub 2017.
Mahadevan LSK, Sahoo N, Aliru, ML, Krishnan S. Dependence of immunogenic modulation of tumor cells by proton radiation on the linear energy transfer. International Journal of Radiation Oncology, Biology, Physics 99(2S):E607, 2017. e-Pub 2017.
Branco D, Taylor P, Mirkovic D, Zhang X, Yepes P, Kry S, Sahoo N, Followill D. Evaluation of proton therapy analytic algorithm distal dose calculation in static lung phantom. Medical Physics 44(6):3045, 2017. e-Pub 2017.
Zhang Y, Jiang B, Wang X, Sahoo N, Gillin M, Zhu X, Zhang X. An automated check of cluster distributions of spot maps as a safety procedure for IMPT treatment. Medical Physics 44(6):2875, 2017. e-Pub 2017.
Wang J, Li Y, Zhang X, Li H, Gillin M, Zhu X, Sahoo N. Analysis of the impact of setup uncertainties on dose to the organs at risk and plan robustness using normal tissue complication probability in passive scattering proton beam therapy. Medical Physics 44(6):2868, 2017. e-Pub 2017.
Khuntia N, Gautam A, Zhang X, Zhu X, Gillin M, Sahoo N. Effect of variable RBE on the distal range of the passive scattering proton beams. Medical Physics 44(6):2851, 2017. e-Pub 2017.
Khoo A, Sahoo N, Krishnan S, Diagaradjane P. Enhancing the Relative Biological Effectiveness of Proton Therapy Using EGFR-Targeted Gold Nanorods. International Journal of Radiation Oncology, Biology, Physics 96(2S):S237, 2016. e-Pub 2016.
Li H, Wu R, Poenisch F, Zhang L, Palmer M, Gautam A, Sahoo N, Zhang X, Balter P, Gillin M, Gunn B, Frank S, Zhu X. Clinical Implementation of in Room Mobile CT for Image Guided Proton Therapy. Med Phys 43(6):3451, 2016. e-Pub 2016.
Sahoo N. Recent developments in dosimetry, treatment planning and quality assurance for intensity modulated proton therapy. Medical Physics International Journal 4(2):542, 2016. e-Pub 2016.
Kerr M, Bronk L, Guan F, Patel D, Li Y, Wang X, Sahoo N, Peeler C, Titt U, Mirkovic D, Grosshans D, Mohan R. Spatial Mapping of Scanned Proton Biologic Effect Using the High-Throughput Technique, Continued. Med. Phys 43(6):3888, 2016. e-Pub 2016.
Liu W, Schild S, Chang J, Liao Z, Ding X, Hu Y, Shen J, Korte S, Sahoo N, Wong W, Herman M, Bues M. Impact of Spot Size and Spacing On the Quality of Robustly-Optimized Intensity-Modulated Proton Therapy Plans for Lung Cancer. Med. Phys 43(6):3886, 2016. e-Pub 2016.
Guan F, Bronk L, Kerr M, Wang X, Li Y, Peeler C, Sahoo N, Patel D, Mirkovic D, Titt U, Grosshans D, Mohan R. Investigation of LET Spectral Dependence of the Biological Effects of Therapeutic Protons. Med. Phys 43(6):3843, 2016. e-Pub 2016.
Li Y, Gautam A, Kerr M, Martin C, Poenisch F, Zhang X, Li H, Wu R, Zhu X, Gillin M, Sahoo N. Study of Dosimetry Accuracy of Small Passively Scattered Proton Beam Fields. Med. Phys 43(6):3362, 2016. e-Pub 2016.
Elrey J, Wolfe T, Vichaya E, Quini C, Chadha A, Zhang C, Davis J, Sahoo N, Dilmanian F, Krishnan S. Behavorial and Pathologic Differences in Mice Exposed to Proton Minibeam Arrays VErsus Proton Broad Beams. Med. Phys 43(6):3313, 2016. e-Pub 2016.
Poenisch F, Gillin M, Sahoo N, Martin C, Zhu X. Daily QA Analysis for Spot Scanning Beamline. Med Phy 43(6):3499, 2016. e-Pub 2016.
Khoo A, Sahoo N, Krishnan S, Diagaradjane P. Molecular-Targeted Gold Nanorods Enhances the RBE of Proton Therapy. Med. Phys 43(6):3617, 2016. e-Pub 2016.
Sahoo N, Rath A, Poenisch F, Zhang X, Liu W, Zhu X, Gillin M. Design of a novel radiation therapy regimen based on the analysis of factors affecting its efficacy for biologically heterogeneous tumor targets. Medical Physics International Journal 4(2):150, 2016. e-Pub 2016.
Sahoo N, Li Y, Poenisch F, Anand A, Shen J, Bues M, Gautam A, Zhu X, Gillin M. Determination of Pion of ion chambers used for reference dosimetry of passively scattered and spot scanned proton beams produced by the synchrotron of Hitachi ProBeat machine. Medical Physics International Kournal 4(2):187, 2016. e-Pub 2016.
Bernstein MB, Gameiro SR, Malamas A, Wolfe T, Sahoo N, Tailor RC, Pidikiti R, Guha C, Hahn SM, Hodge JW, Krishnan S. Proton Irradiation Modulates Tumor Phenotype Leading to Enhanced Immune-Mediated Cell Killing. International Journal of Radiation Oncology, Biology, Physics 93(3):E542, 2015. e-Pub 2015.
Liu W, Schild S, Chang J, Liao Z, Wen Z, Shen J, Stoker J, Wong W, Sahoo N, Herman M, Mohan R, Bues M. A Novel 4D Robust Optimization Mitigates Interplay Effect in Intensity-Modulated Proton Therapy for Lung Cancer. Med Phys 42(6):3525, 2015. e-Pub 2015. PMID: 26128478.
Robertson D, Sahoo N, Beddar S. Quality Assurance of Scanned Proton Beams with a Volumetric Liquid Scintillator Detector. Med Phys 42(6):3728, 2015. e-Pub 2015. PMID: 26129535.
Wootton L, Holmes C, Sahoo N, Beddar S. Proton Beam Entrance Dosimetry with the Exradin W1 Plastic Scintillation Detector. Med Phys 42(6):3727, 2015. e-Pub 2015. PMID: 26129530.
Sahoo N. Radiation Dosimetry for Proton Therapy. Med Phys 42(6):3703, 2015. e-Pub 2015. PMID: 26129425.
Cho J, Campbell P, Wang M, Alqathami M, Mawlawi O, Li H, Sahoo N, Kerr M, Zubarev E, Cho S. Hydrogel Fiducial Markers for In-Vivo Proton Therapy and Range Verifications Using PET. Med Phys 42(6):3677, 2015. e-Pub 2015. PMID: 26129292.
Arjomandy B, Klein E, Taylor P, Ainsley C, Safai S, Sahoo N, Pankuch M, Park S, Farr J, Kase Y, Flanz J, Yorke E, Followill D. Quality Assurances for Proton Therapy Delivery Equipment. Med Phys 42(6):3485, 2015. e-Pub 2015. PMID: 26128310.
Frank S, Garden A, Anderson M, Rosenthal D, Morrison W, Gunn B, Fuller C, Phan J, Zhang X, Poenisch F, Wu R, Li H, Gautam A, Sahoo N, Gillin M, Zhu X. Is MFO-IMPT Robust Enough for the Treatment of Head and Neck Tumors? A 2-Year Outcome Analysis Following Proton Therapy On the First 50 Oropharynx Patients at the MD Anderson Cancer Center. Med Phys 42(6):3457, 2015. e-Pub 2015. PMID: 26128194.
Yu J, Liao L, Sahoo N, Zhu X, Gillin M, Zhang X. Experimental Verification of Robustness Optimized Intensity Modulated Proton Therapy Plans for Craniospinal Irradiation. Med Phys 42(6):3429, 2015. e-Pub 2015. PMID: 26128077.
Granville DA, Sahoo N, Sawakuchi GO. Measurement of LET in Patient-Specific Proton Therapy Treatment Fields Using Optically Stimulated Luminescence Detectors. Med Phys 42(6):3209, 2015. e-Pub 2015. PMID: 26127171.
Pugh TJ, Gonzalez G, Choi S, Mahmood U, Mathai B, Munsell M, Sahoo N, Gillin M, Zhu X, Lee AK. Proton Beam Therapy for Localized Prostate Cancer: A Comparison of Passively Scattered to Intensity Modulated Proton Therapy. Int Journal of Radiation Oncology, Biology, Physics 90(1S):S54, 2014. e-Pub 2014.
Lee AK, Gonzalez G, Choi S, Pugh TJ, Mahmood U, Mathai B, Munsell M, Sahoo N, Gillin M, Zhu X. The Impact of Hormone Therapy on Long-Term Quality of Life in Men Receiving Proton Therapy for Prostate Cancer. Int Journal of Radiation Oncology, Biology, Physics 90(1S):S713, 2014. e-Pub 2014.
Arjomandy B, Sahoo N, Pankuch M. Proton Therapy I: Basics of Proton Therapy. Medical Physics 41(6):MO-A-18C-01, 2014. e-Pub 2014.
Liao L, Jiang S, Li Y, Wang X, Li H, Zhu X, Sahoo N, Gillin M, Mahajan A, Grosshans D, Lim G, Zhang X. Robust Intensity Modulated Proton Therapy Plan Can Eliminate Junction Shifts for Cranospinal Irradiation. Medical Physics 41(6):TH-C-BRD-12, 2014. e-Pub 2014.
Granville D, Sahoo N, Sawakuchi GO. Optically Simulated Luminescence Detectors as 'LET-METERS' in Proton Beams. Medical Physics 41(6):WE-D-17A-6, 2014. e-Pub 2014.
Mackin D, Zhang X, Li Y, Li H, Wu R, Poenisch F, Suzuki K, Kerr M, Holmes C, Zhu X, Sahoo N, Gillin M. Spot-Scanning Proton Therapy Patient-Specific Quality Assurance: Our Methodology and Results from 295 Treatment Plans. Medical Physics 41(6):MO-F-16A, 2014. e-Pub 2014.
Lewis D, Summers P, Followill D, Sahoo N, Majahan A, Stingo F, Kry S. Development and Implementation of An Anthropomorphic Pediatric Spine Phantom for the Assessment of Craniospinal Irradiation Procedures in Proton Therapy. Medical Physics 41(6):SU-E-CAMPUS-T-03, 2014. e-Pub 2014.
Stoker J, Summers P, Li X, Gomez D, Sahoo N, Zhu X, Gillin M. Dosimetric Impact of Scan Orientation Relative to Target Motion During Spot Scanning Proton Therapy. Medical Physics 41(6):SU-E-T-133, 2014. e-Pub 2014.
Lewis D, Summers P, Followill D, Sahoo N, Majahan A, Stingo F, Kry S. Development and Implementation of an Anthropromorphic Pediatric Spoine Phantom for the Assessment of Craniospinal Irradiation Procedures in Proton Therapy. Medical Physics 41(6):SU-E-CAMPUS-T-03, 2014. e-Pub 2014.
Lafratta R, Yang J, Sahoo N, Tucker S, Followill D, Ibbott G. Preliminary 2D and 3D Gamma Calculation Comparison Using PRESAGE. Medical Physics 41(6):SU-E-T-535, 2014. e-Pub 2014.
Sahoo N, Zhu X, Zhang X, Poenisch F, Li H, Wu R, Lii M, Umfleet W, Gillin M, Mahajan A, Grosshans D. Analysis of the Impact of Range and Setup Uncertainties On the Dose to Brain Stem and Whole Brain in the Passively Scattered Proton Therapy Plans. Medical Physics 41(6):SU-E-T-493, 2014. e-Pub 2014.
Liu W, Liao Z, Schild S, Park P, Li H, Li Y, Li X, Shen J, Anand A, Sahoo N, Dong L, Bues M, Zhu X, Mohan R. Impact of Respiratory Motion On Robustly-Optimized Intensity-Modulated Proton Therapy to Treat Lung Cancer. Medical Physics 41(6):SU-E-T-452, 2014. e-Pub 2014.
Li X, Kantor M, Zhu X, Frank S, Sahoo N, Li H. Dosimetric Accuracy of Proton Therapy for Patients with Metal Implants in CT Scans Using Metal Deletion Technique (MDT) Artifacts Reduction. Medical Physics 41(6):SU-E-T-396, 2014. e-Pub 2014.
Jiang S, Liao L, Li Y, Wang X, Li H, Zhu X, Sahoo N, Gillin M, Hojo Y, Sun J, Chang J, Liao Z, Grosshans D, Frank S, Zhang X. A Novel Hybrid Planning Approach to Allow More Patients Benefited by the Intensity Modulated Proton Therapy. Medical Physics 41(6):SU-E-P-06, 2014. e-Pub 2014.
Dhanesar S, Zhang X, Taylor M, Li Y, Li H, Bluett J, Gillin MT, Liao Z, Zhu XR, Sahoo N. Study of robustness of passive scattering proton therapy plans for targets in lung and comparison with IMRT Plans. International Journal Radiation Oncology Biology Physics, 2013. e-Pub 2013.
Neihart J, Sahoo N, Balter P, Summers P, Palmer M, Kerr M, Followill D. Design and Verification of a Heterogeneous Proton Equivalent Thorax Phantom for Use in End-To-End Assessment of Pencil Beam Proton Therapy. Medical Physics 40(6):TU-A-108-07, 2013. e-Pub 2013.
Matney J, Chen Y, Park P, Li H, Bluett J, Sahoo N, Court L, Liao Z, Mohan R. Photon and Proton Radiotherapy of the Lung Would Benefit From 4D Dose Calculation Techniques. Medical Physics 40(6):TH-A-116-03, 2013. e-Pub 2013.
Park P, Cheung J, Zhu X, Liu W, Sahoo N, Court L, Mohan R, Li H, Dong L. A Statistical Approach to Quantification and Visualization of Setup and Range Uncertainties for Proton Plan Verification. Medical Physics 40(6):TH-A-116-1, 2013. e-Pub 2013.
Taylor M, Liao Z, Bluett J, Kerr M, Li H, Sahoo N, Gillin M, Zhu X, Zhang X. Improving Passive Scattering Proton Therapy Plan Quality by Optimizing Compensator Parameters. Medical Physics 40(6):MO-G-137-5, 2013. e-Pub 2013.
Park P, Matney J, Mohan R, Zhu X, Dong L, Li H, Cheung J, Sahoo N, Yang J, Poenisch F, Liu W. Perturbation of Tissue Density Is An Important Metric to Be Considered When Planning for Respiratory Motion Management for Lung Proton Therapy. Medical Physics 40(6):MO-D-108-09, 2013. e-Pub 2013.
Dhanesar S, Sahoo N, Kerr M, Taylor M, Summers P, Alvarez P, Wu R, Poenisch F, Zhu X, Gillin M. Intensity Modulated Proton Therapy Plans with Multiple Fields for Prostate Cancer. Medical Physics 40(6):SU-E-T-403, 2013. e-Pub 2013.
Mackin D, Zhang X, Li Y, Taylor M, Kerr M, Holmes C, Sahoo N, Poenisch F, Li H, Lii M, Amos R, Wu R, Suzuki K, Gillin M, Zhu X. Improving Spot Scanning Proton Therapy Patient-Specific Quality Assurance Through Early Application of Second-Check Dose Calculation Software. Medical Physics 40(6):SU-E-T-167, 2013. e-Pub 2013.
Kerr M, Dhanesar S, Guan F, Taylor M, Zhu X, Gillin M, Amos R, Sahoo N. Relative Proton Stopping Power Ratio Database for Common Dosimetry Phantom Materials. Medical Physics 40(6):SU-E-T-47, 2013. e-Pub 2013.
Sahoo N, Dhanesar S, Poenisch F, Lii M, Li H, Zhang X, Amos R, Wu R, Gillin M, Zhu X. Application of a Semi-Empirical Formula to Determine Spread Out Bragg Peak Factors and Range Shifter Factors From Measured Depth Dose Curves for Passively Scattered Proton Beams. Medical Physics 40(6):SU-E-T-04, 2013. e-Pub 2013.
Arjomandy B, His W, Nazaryan V, Pankuch M, Kozlyuk V, Sahoo N. Determination of KQ Factor for PTW Bragg Peak Chamber Used in Proton Pencil Beam Dose Calibration. Medical Physics 40(6):SU-E-T-77, 2013. e-Pub 2013.
Stoker J, Amos R, Li Y, Liu W, Park P, Sahoo N, Zhang X, Zhu X, Gillin M. Comparison of Discrete Spot Scanning and Passive Scattering Craniospinal Proton Irradiation. Medical Physics 40(6):SU-E-T-693, 2013. e-Pub 2013.
Li H, Wu R, Poeniusch F, Zjang L, Palmer M, Gauta A, Sahoo N, Zhang X, Baslter P, Gillin M, Gunn B, Frank S, Zhu X. Clinical Implementation of in Room Mobile CT for Image Guided Proton Therapy. Medical Physics 40(6):3451, 2013. e-Pub 2013.
Yoshikazu T, Sahoo N, Poenisch F, Umezawa M, Briere TM, Zhu XR, Mohan R, Dong L. Experimental evaluation of the interplay effect and motion management by respiratory gating in synchrotron based spot scanning proton beam delivery. Int Journal of Radiation Oncology Biology Physics 84(3S):S54-S55, 2012. e-Pub 2012.
Dhanesar S, Sahoo N, Grosshans D, McAleer M, Wages C, Crawford C, Palmer M, Woo S, Mahajan A, Zhu XR. Comparison of Skin Doses in Spot Scanning and Passive Scattering Proton Therapy Treatment Plans for Pediatric Patients with Spinal Ependymomas. Int Journal of Radiation Oncology Biology Physics 84(3S):S386, 2012. e-Pub 2012.
Zhu X, Li H, Li Y, Lii M, Taylor M, Zhang X, Poenisch F, Frank S, Gillin M, Sahoo N. Development of an Efficient and Effective Patient Specific QA Program for IMPT. Medical Physics 39(6):3600, 2012. e-Pub 2012.
Park P, Cheung J, Chen Y, Zhu X, Sahoo N, Court L, Mohan R, Dong L. Statistical Assessment of Plan Robustness Under Uncertainties: IMRT Vs. Proton Therapy. Medical Physics 39(6):3985, 2012. e-Pub 2012.
Li X, Cao W, Wang X, Li Y, Zhu X, Sahoo N, Gillin M, Lim G, Zhang X. Deliverable Optimization Incorporating Monitor Unit Constraints for Intensity Modulated Proton Therapy Treatment Planning. Medical Physics 39(6):3982, 2012. e-Pub 2012.
Anand A, Kerns, J, Sahoo N, Zhu X, Gillin M. A Technique to Determine the Gantry Laser and the Proton Pencil Beam Coincidence Using Computer Radiography Detector for Routine Quality Checks. Medical Physics 39(6):3886-3887, 2012. e-Pub 2012.
Tsunashima Y, Sahoo N, Sake T, Poenisch F, Umezawa M, Briere T, Zhu X, Mohan R, Dong L. Achievability and Optimization of Synchrotron-Based Respiratory Gated Spot Scanning Proton Beam Delivery. Medical Physics 39(6):3795, 2012. e-Pub 2012.
Song X Sahoo N, Wu R, Taylor M, Georges R, Zhu X, Summers P, Gillin M. Dosimetry of Double Scattered Proton Beam Fields Used for Cranio-Spinal Irradiation. Medical Physics 39(6):3770, 2012. e-Pub 2012.
Vredevoogd K, Ibbott G, Gillin M, Kry S, Gifford K, Maryanski M. Three-Dimensional Measurement of Dose and LET From a Proton Beam Via Polymer Gel Dosimetry. Medical Physics 39(6):3726, 2012. e-Pub 2012.
Li Y, Lii M, Li H, Taylor M, Li X, Zhu X, Sahoo N, Gillin M, Zhang X. Independent Dose Verification System for Spot Scanning Proton Therapy. Medical Physics 39(6):3714, 2012. e-Pub 2012.
Dhanesar S, Sahoo N, Taylor M, Song X, Poenisch F, Summers P, Li H, Zhu XR, Gillin M. Evaluation of Zebra Multi-Layer Ionization Chamber System for Patient Treatment Field and Machine QA for Spot Scanning and Passive Scattering Proton Beams. Medical Physics 39(6):3613, 2012. e-Pub 2012.
Sahoo N, Dhanesar SK, Song X, Poenisch F, Lii M, Li H, Amos R, Wu R, Gillin MT, Zhu XR. Determination of Spread Out Bragg Peak Factors and Range Shifter Factors From Measured Depth Dose Curves for Passively Scattered Proton Beams. Int Journal of Radiation Oncology, Biology, Physics 84(3S):S849, 2012. e-Pub 2012.
Song X, Zhang L, Park PC, Zhu RX, Sahoo N, Gillin MT, Dong L. Application of Beam-specific PTV in Proton Therapy Treatment Planning. Int Journal of Radiation Oncology Biology,Physics 84(3S):S848-S849, 2012. e-Pub 2012.
Anand A, Sahoo N, Zhu X, Titt U, Sawakuchi G, Li Y, Poenisch F, Amos R, Suzuki K, Ciangaru G, Mohan R, Gillin M. Scanned Proton Pencil Beam’s Lateral Profile Library to Describe the Spot Dose Characteristics. Medical Physics 38(6):3855, 2011. e-Pub 2011.
Wang L, Perles L, Archambault L, Sahoo N, Beddar S, Mirkovic D. Application of a Plastic Scintillation Detector in Measuring Depth-Dose Curves for Passive-Scattering Proton Beams. Medical Physics 38(6):3366, 2011. e-Pub 2011.
Kerns J, Kry S, Sahoo N. Proton Characteristics of the NanoDot Dosimeter. Medical Physics 38(6):3507, 2011. e-Pub 2011.
Kerns J, Kry S, Sahoo N, Followill D, Ibbott G. Angular Dependence of the NanoDot Dosimeter. Medical Physics 38(6):3517, 2011. e-Pub 2011.
Sahoo N, Anand A, Martin C, Ciangaru G, Poenisch, Li H, Gillin M, Zhu XR. Study of the Effect of the Optical Density to Dose Conversion Calibration Curves On the Measurement of Transverse Lateral Dose Profiles of Proton Beams Using Kodak XV Films. Medical Physics 38(6):3519, 2011. e-Pub 2011.
Summers P, Followill D, Sahoo N, Poenisch F, Tucker S, Gillin M, Riley B, Ibbott B. Development of An Anthropomorphic Head Phantom for the Assessment of Proton Therapy Treatment Procedures. Medical Physics 36(8):3569, 2011. e-Pub 2011.
Wen Z, Sahoo N. A Novel Procedure to Determine the Dose Output Change with Spread Out Bragg Peak Width and Range Shift in Passively Scattered Proton Beams. Medical Physics 38(6):3570, 2011. e-Pub 2011.
Zhu X, Grosshans D, Lee A, Choi S, Mahajan A, Chang E, Pugh T, Wu R, Amin M, Palmer M, Taylor M, Gillin M, Sahoo N. Spot Scanning Proton Therapy: Single Field Simultaneous Integrated Boost. Medical Physics 38(6):3602, 2011. e-Pub 2011.
Ciangaru G, Sahoo N, Sawakuchi G, Zhu X, Mohan R, Gillin M. Feasibility Study of Radiobiological Effectiveness-Based Treatment Plan Optimization for Spot-Scanned Proton Therapy Beams. Medical Physics 38(6):3638, 2011. e-Pub 2011.
Park P, Zhu X, Sahoo N, Lee A, Zhang L, Cheung J, Dong L. Incorporating Beam-Specific Target Volumes Into Beam Angle Selection in Proton Therapy. Medical Physics 38(6):3739, 2011. e-Pub 2011.
Tsunashima Y, Poenisch F, Li H, Zhu X, Balter P, Umezawa M, Sahoo N, Mohan R, Dong L. Dosimetric Characterization of Motion Effect in Delivering Uniform Target Dose Distribution Using Scanning Proton Beams. Medical Physics 38(6):3779, 2011. e-Pub 2011.
Pollard J, Poenisch F, Sahoo N, Zhu X, Gillin M. Verification of the Accuracy of the Proton Range Compensator Scatter Factor and Dose Within Inhomogeneity Calculations Using the Eclipse Treatment Planning System. Medical Physics 37(6):3260, 2010. e-Pub 2010.
Yaldo D, Tailor R, Scarboro S, Sahoo N, Kry S, Kisling K, Followill D, Howell R. Evaluation of the Sensitivity of the Anisotropic Analytical Algorithm (AAA) to the Commissioning Dataset. Medical Physics 37(6):3255, 2010. e-Pub 2010.
Li Y, Li X, Luo D, Quan E, Pan T, Sahoo N, Chang J, Mohan R, Zhang X. A Novel Inverse Planning Strategy for Dose Escalation with PET Image Guidance in RT of NSCLC. Medical Physics 37(6):3211, 2010. e-Pub 2010.
Sahoo N, Ciangaru G, Sawakuchi GO, Anand A, Poenisch F, Suzuki K, Mohan R, Gillin M, Zhu X. Study of the Magnitude of Detector Size Effect in the Measured Lateral Profiles of Proton Pencil Beam Spots. Medical Physics 37(6):3293, 2010. e-Pub 2010.
Yukihara EG, Gasparian PBR, Sawakuchi GO, Ruan C, Ahmad S, Kalavagunta C, Clouse WJ, Sahoo N, and Titt U. Medical Applications of Optically Stimulated Luminescence Dosimeters (OSLDs). Radiation Measurements 45(3-6):658-662, 2010. e-Pub 2010.
Sahoo N, Zhu XR, Anand A, Sawakuchi GO, Ciangaru G, Poenisch F, Suzuki K, Titt U, Mohan R, Gillin M. Dosimetry of proton spot beam profiles of the scanning beam nozzle at the Proton Therapy Center in Houston. International Symposium on Standards, Applications and Quality Assurance in Medical Radiation Dosimetry, Book of Extended Synopsis:495-496, 2010. e-Pub 2010.
Sawakuchi G, Sahoo N, Gasparian P, Rodriguez M, Archambault L, Titt U, Yukihara E. Determination of Average LET of Therapeutic Proton Beams Using Al2O3:C Optically Stimulated Luminescence (OSL) Detectors. Medical Physics 37(6):3453, 2010. e-Pub 2010.
Sawakuchi G, Zhu X, Poenisch P, Suzuki K, Ciangaru G, Titt U, Anand A, Mohan R, Gillin M, Sahoo N. Experimental Characterization of the Low-Dose Envelope of Spot Scanning Proton Beams. Medical Physics 37(6):3426, 2010. e-Pub 2010.
Park P, Zhu X, Melancon A, Tsunashima Y, Sahoo N, Lee A, Dong L. A Novel Beam-Specific PTV Design to Account for Setup Error and Range Uncertainties for Scanning Beam Proton Therapy. Medical Physics 37(6):3409, 2010. e-Pub 2010.
Archambault L, Poenisch F, Polf J, Robertson D, Sahoo N, Gillin M, Mohan R, Beddar S. A 3D Liquid Scintillator Detector System for Intensity Modulated Proton Therapy: Online Measurements of Proton Spots Intensity. Medical Physics 37(6):3409, 2010. e-Pub 2010.
Poenisch F, Sahoo N, Martin C, Zhu X, Gillin M. Feasibility of Using a Multi-Array Ion Chamber Detector for Daily QA in Protons Therapy. Medical Physics 37(6):3364, 2010. e-Pub 2010.
Zhu X, Sahoo N, Zhang X, Robertson D, Li H, Choi S, Lee A, Gillin M. The Impact of Monitor Unit Constraints On Plan Quality of IMPT Planning Using Single-Field Optimization. Medical Physics 37(6):3365, 2010. e-Pub 2010.
Anand A, Sahoo N, Zhu X, Sawakuchi G, Poenisch F, Amos R, Suzuki K, Mohan R, Gillin M. A Technique to Determine the Integral Depth Dose of Proton Pencil Beam Spots. Medical Physics 37(6):3363, 2010. e-Pub 2010.
Grant R, Ibbott G, Riley B, Sahoo N, Tucker S, Zhu X, Followill D. Effect of Film Orientation On Proton Beam Dosimetry. Medical Physics 37(6):3296, 2010. e-Pub 2010.
Robertson D, Poenisch F, Archambault L, Sahoo N, Gillin M, Mohan R, Beddar S. Liquid Scintillator Dosimetry for Passive Scattering Proton Beam Quality Assurance. Medical Physics 37(6):3292, 2010. e-Pub 2010.
Ding X, Sahoo N, Song X, Zhu X, Lii M, Gillin M. GEANT4 Monte-Carlo Simulation of Dosimetry Parameters of the Passively Scattered Beam Lines at the Proton Therapy Center in Houston. Medical Physics 37(6):3273, 2010. e-Pub 2010.
Anand A, Arjomandy B, Tailor R, Sahoo N, Gillin M. Dose Response and Energy Dependency of Gafchromic EBT2 Film Over a Wide Range of Beam Energies and Modalities. Medical Physics 37(6):3265, 2010. e-Pub 2010.
Kerns J, Ibbott G, Johnson V, Kry S, Sahoo N, Followill D. Characterization of Optically-Stimulated Luminescent Detectors (OSLDs) in Photon & Proton Beams. Medical Physics 37(6):3452, 2010. e-Pub 2010.
Sahoo, N, Song X, Zhu XR, Gillin M. A Novel Procedure to Account for the Changes in the Position of High or Low Density Objects in Treatment Planning for Spot Scanned Proton Beam Therapy. International Journal of Radiation Oncology Biology Physics 78(3S):S134, 2010. e-Pub 2010.
Sahoo N, Zhu XR, Arjomandy B, Ciangaru G, Ding X, Gillin M. Feasibility study of a set of quality assurance checks for Spot Scanning Proton Therapy beams by using a 2-D Ion Chamber Array. International Journal of Radiation Oncology Biology Physics 75(3S):S698-S699, 2009. e-Pub 2009.
Sahoo N, Martin C, Zhu X, Ding X, Arjomandy B, Ciangaru G, Gillin M. Study of Differences in Lateral Penumbra Widths of Passively Scattered and Spot Scanned Proton Therapy Beams. Medical Physics 36(6):2585-2585, 2009. e-Pub 2009.
Li H, Zhu X, Ciangaru G, Sahoo N, Suzuki K, Lee A, Gillin M. Spot Position Uncertainty of Scanning Proton Pencil Beam. Medical Physics 36(6):2587-2587, 2009. e-Pub 2009.
Arjomandy B, Sahoo N, Cox J, Lee A, Zhu X, Gillin M. Surface Doses Comparison for Spot Scanned and Passively Scattered Proton Therapy Beams. Medical Physics 36(6):2544-2544, 2009. e-Pub 2009.
Grant R, Ibbott G, Sahoo N, Tucker S, Zhu X, Followill D. Evaluation of An Anthropomorphic Pelvis Phantom for Proton Therapy. Medical Physics 36(6):2607-2607, 2009. e-Pub 2009.
Ciangaru G, Sahoo N, Zhu X, Sawakuchi G, Gillin M. Algorithm for Accurate Computation of Doses From Large-Angle Scattering of Scanned Proton Pencil Beams. Medical Physics 36(6):2783-2783, 2009. e-Pub 2009.
Yukihara E, Gasparian P, Sawakuchi G, Sahoo N. Optically Stimulated Luminescence Detectors (OSLDs) Applied to Proton Therapy Beam Dosimetry. Medical Physics 36(6):2810-2810, 2009. e-Pub 2009.
Zhu X, Titt U, Bues, M, Sahoo N, Ciangaru G, Sawakuchi G, Poenish F, Lii M, Zhang X, Li Y, Arjomandy B, Suzuki K, Mohan R, Gillin M. Configuration and Validation of a Single Gaussian Dose Model for Scanning Proton Beams. Medical Physics 36(6):2666-2666, 2009. e-Pub 2009.
Zhu X, Sahoo N, Sawakuchi G, Lii M, Ciangaru G, Bues M, Pan X, Zhang X, Ding X, Titt U, Arjomandy B, Suzuki K, Mohan R, Gillin M. Configuration and Validation of a Double Gaussian Dose Model for Scanning Proton Beams. Medical Physics 36(6):2667-2667, 2009. e-Pub 2009.
Archambault L, Poenisch F, Sahoo N, Gillin M, Mohan R, Beddar S. A 3D System for Spatial Localization of Scanned Proton Beams: Characterization and Experimental Validation. Medical Physics 36(6):2776-2776, 2009. e-Pub 2009.
Wang X, Sahoo N, Zhu X, Ding X, Arjomandy B, Ciangaru G, Gillin M. Study of Field Size Factors for Passively Scattered Proton Therapy Beams. Medical Physics 36(6):2582-2582, 2009. e-Pub 2009.
Schinkel C, Sahoo N, Tailor R, Vicic M, Prado K. Validation and Implementation of Semi-Empirical Methods to Remove Detector Averaging From Profiles for Treatment Planning System Photon Beam Modeling. Medical Physics 36(6):2810-2810, 2009. e-Pub 2009.
Sawakuchi G, Titt U, Mirkovic D, Zhu X, Sahoo N, Bues B, Ciangaru G, Poenisch F, Suzuki K, Arjomandy B, Gillin M, Mohan R. Validation of An MCNPX Monte Carlo Model of a Discrete-Spot Scanning Beam Nozzle and Evaluation of the Beamlet Lateral Envelope of Low Doses. Medical Physics 36(6):2782, 2009. e-Pub 2009.
Arjomandy B, Sahoo N, Ding X, Gillin M. Verification of patients’ treatment field dose distribution in proton therapy using a two-dimensional ionization chamber array. International Journal of Radiation Oncology Biology Physics 72(1S):S660, 2008. e-Pub 2008.
Wang X, Gillin M, Sahoo N. Neutron Dose Equivalent Measurement for Typical Cranial and Spinal Treatments at MD Anderson. International Journal of Radiation Oncology Biology Physics 72(1S):S144, 2008. e-Pub 2008.
Ding X, Sahoo N, Zhu XR, Yang J, Arjomandy B, Lii M, Titt U, Mohan R, Smith A, Gillin M. Validation study of the GEANT 4 monte-carlo simulation of the proton dose distribution from passively scattered proton beam nozzles at the proton therapy center at Houston. Medical Physics 35(6):2799, 2008. e-Pub 2008.
Sahoo N, Kazi A, Hoffman, M. Study of the effect of size of the beam scanning diodes on measurement of beam profiles of the clinical high energy photon beams. Medical Physics 35(6):2772, 2008. e-Pub 2008.
Archambault L, Beddar S, Sahoo N, Poenisch F, Gillin M, Mohan R. Experimental proof and feasibility of a 3D real-time detector system for therapeutic proton beams. Medical Physics 35(6):2905, 2008. e-Pub 2008.
Poenisch F, Archambault L, Briere T, Sahoo N, Beddar S, Mohan R, Gillin M. Liquid scintillators for 2D photon dosimetry. Medical Physics 35(6):2904, 2008. e-Pub 2008.
Ciangaru G, Sahoo N, Arjomandy B, Zhu XR, Gillin M. Effect of titanium implants on therapeutic proton dose delivered to patients. Medical Physics 35(6):2782, 2008. e-Pub 2008.
Arjomandy B, Gillin M, Zhu XR, Sahoo N, Ciangaru G, Bues M, Poenisch F, Ding X. A 2D Ion chamber array detector as a QA device for spot scanning Proton Beams. Medical Physics 35(6):2779, 2008. e-Pub 2008.
Gillin M, Zhu XR, Sahoo N, Bues M, Ciangaru G, Arjomandy B, Poenisch F. Dosimetry characteristics of the discrete spot scanning proton beam at PTCH. Medical Physics 35(6):2746, 2008. e-Pub 2008.
Wu R, Amos R, Sahoo N, Kornguth D, Bluett J, Gillin M, Zhu XR. Effect of CT truncation artifacts to proton dose calculation. Medical Physics 35(6):2697, 2008. e-Pub 2008.
Li H, Sahoo N, Dong L, Gillin M, Mohan R, Zhu X. CT artifacts of high-density materials in proton radiation therapy. Mediacl Physics 35(6):2693, 2008. e-Pub 2008.
Arjomandy B, Sahoo N, Zhu XR, Zullo J, Wu R, Zhu M, Ding X, Gillin M. An overview of comprehensive proton machine Quality Assurance at the University of Texas M.D. Anderson Cancer Center. Medical Physics 35(6):2995, 2008. e-Pub 2008.
Gillin M, Zhu XR, Sahoo N, Lii M, Arjomandy B. Time and manpower requirements for clinical commissioning of the passively scattered proton beams at PTC-H. Medical Physics 35(6):2980, 2008. e-Pub 2008.
Li H, Liu R, Wu R, Sahoo N, Mohan R, Gillin M, Zhu XR. Effect of CT calibration phantom size on the range in proton radiation therapy. Medical Physics 35(6):2955, 2008. e-Pub 2008.
Gillin M, Zhu XR, Sahoo N, Lii J, Bues M, Ciangaru G, Smith A. Clinical commissioning of the Hitachi scanning beam- initial efforts. Particle Therapy Co-Operative Group (PTCOG) 47 meeting, May 19-24, 2008, University of Florida Proton Therapy Institute, Jacksonville, FL, USA, Abstract no. O22:28, 2008. e-Pub 2008.
Li H, Zhang L, Dong L, Sahoo, N, Mohan R, Gillin, M, Zhu, XR. A CT image based software tool for quality assurance of compensators used in proton therapy. Particle Therapy Co-Operative Group (PTCOG) 47 meeting, May 19-24, 2008, University of Florida Proton Therapy Institute, Jacksonville, FL, USA, Abstract no. P56:101, 2008. e-Pub 2008.
Sahoo, N, Zhu XR, Arjomandy B, Amos R, Johnson J, Lii M, Wu R, Ciangaru G, Ding X, Zhu, M, Newhauser W, Titt U, Gillin M. Summary of our experience of patient treatment related physics quality assurance activities at the Proton Therapy Center-Houston. Particle Therapy Co-Operative Group (PTCOG) 47 meeting, May 19-24, 2008, University of Florida Proton Therapy Institute, Jacksonville, FL, USA, Abstract No. P53:98, 2008. e-Pub 2008.
Gillin M, Zhu XR, Sahoo N, Lii J, Arjomandy B. Clinical commissioning of the passive scattered beams at PTCH. Particle Therapy Co-Operative Group (PTCOG) 47 meeting, May 19-24, 2008, University of Florida Proton Therapy Institute, Jacksonville, FL, USA, Abstract no. P48:93, 2008. e-Pub 2008.
Dong, L, Liao Z, Sahoo N, Zhu XR, Komaki R, Chang J, Bucci MK, Cox J, Gillin M, Mohan R. Dosimetric advantages of proton simultaneous in-field boost (PSIB) technique for treating lung cancer. Particle Therapy Co-Operative Group (PTCOG) 47 meeting, May 19-24, 2008, University of Florida Proton Therapy Institute, Jacksonville, FL, USA, Abstract no. O9:12, 2008. e-Pub 2008.
Smith A, Sahoo N, Ciangaru G, Polf J, Titt U. Concepts in proton therapy treatment planning, delivery, and QA. Scientific Program, International Symposium on Proton Beam Therapy, National Cancer Center,Seoul, Korea, October 2007:19, 2007. e-Pub 2007.
Newhauser W, Fontenot J, Zheng Y, Taddei P, Mirkovic D, Titt U, Zhu X, Sahoo N, Schaffner B, Langenegger A, Koch N, Zhang X, Mohan R. A Monte-Carlo based dose engine for proton radiotherapy treatment planning. Medicl Physics 34:2406, 2007. e-Pub 2007.
Wu R, Zhang X, Amos R, Prado K, Lii M, Sahoo N, Gillin M, Zhu X. Evaluation of Titanium metal imaging artifacts on proton dose calculation. Medical Physics 34:2452, 2007. e-Pub 2007.
Liengsawangwong P, Ding X, Arjomandy B, Lii M, Sahoo N, Amos R, Gillin M, Zhu X. Dosimimetric characterization of a 2D diode array detector in passive scattering proton beams. Medical Physics 34:2440, 2007. e-Pub 2007.
Arjomandy B, Sahoo N, Gillin M, Zhu X. Use of a two-dimensional ionization chamber array for proton therapy quality assurance checks. Medical Physics 34:2502, 2007. e-Pub 2007.
Titt U, Sahoo N, Zhu R, Ding X, Zheng Y, Hillin M, Mohan R. Validation of the Monte Carlo model of the passive scattering nozzles at the Proton Therapy Center Houston. Medical Physics 34:2503, 2007. e-Pub 2007.
Sahoo N, Zhu X, Lii M, Amos R, Arjomandy B, Wu R, Gillin M. Study of dose distribution in passively scattered proton beams for small field sizes. Medical Physics 34:2491, 2007. e-Pub 2007.
Dong L, Zhang Y, Zhu XR, Sahoo N, Wu R, Balter P, Mohan R, Gillin, M. A digital couch solution for treatment planning beams through the treatment couch. Particle Therapy Co-Operative Group (PTCOG) 46 meeting, May 18-20, Wanjie, Zibo, China, Abstarct No. 19, 2007. e-Pub 2007.
Komaki R, Chang JY, Liao M, Bucci MK, McAleer MF, Wei X, Allen P, Cai H, Gillin M, Zhu XR, Sahoo N, Woo S, Cox JD. Acute Esophageal reactions from proton beam therapy and concurrent chemotherapy for non-small cell lung cancer (NSCLC): reduction in incidence and severity despite higher doses. Particle Therapy Co-Operative Group (PTCOG) 46 meeting, May 18-20, Wanjie, Zibo, China, Abstarct No. 10, 2007. e-Pub 2007.
Sahoo N, Zhu XR, Zhu M, Amos R, Kudchadker R, Johnson J, Arjomandy B, Lii M, Wu R, Gillin MT. Analysis of the accuracy of a monitor unit calculation procedure for passively scattered proton therapy beams. International Journal of Radiation Oncology Biology Physics 69(3S):S689, 2007. e-Pub 2007.
Gillin M, Sahoo N, Zhu XR, Zullo JR. Daily quality assurance activities at the Proton Therapy Center-Houston. Particle Therapy Co-Operative Group (PTCOG) 45 meeting, October 7-11, Houston, USA, Abstract No. 77, 2006. e-Pub 2006.
Sahoo N, Zhu XR, Wu R, Titt U, Amos R, Newhauser W, Zullo J, Gillin M. Beam characteristics of the passively scattered proton beams at PTC-H. Particle Therapy Co-Operative Group (PTCOG) 45 meeting, October 7-11, Houston, USA, Abstract No. 73, 2006. e-Pub 2006.
Gillin M, Sahoo N, Zhu XR, Zullo JR. Abutment of long passively modulated proton fields. Particle Therapy Co-Operative Group (PTCOG) 45 meeting, October 7-11, Houston, USA, Abstract No. 36, 2006. e-Pub 2006.
Mohan R, Titt U, Sahoo N, Li Y, Zhang X, Gillin M. Degradation of distal edge by low density heterogeneities. Particle Therapy Co-Operative Group (PTCOG) 45 meeting, October 7-11, Houston, USA, Abstract No. 32, 2006. e-Pub 2006.
Sahoo N, Zhu XR, Lii M, Zhang X, Amos R, Wu R, Zullo JR, Barfield M, Arjomandy B, Titt U, Newhauser W, Mohan R, Gillin M. Clinical Commissioning of the Eclipse treatment planning system for protons. Particle Therapy Co-Operative Group (PTCOG) 45 meeting, October 7-11, Houston, USA, Abstract No. 35, 2006. e-Pub 2006.
Zullo JR, Gillin M, Sahoo N, Zhu XR, Amos R. Periodic quality assurance testing recommendations for the Proton Therapy Center-Houston. Particle Therapy co-Operative Group (PTCOG) 45 meeting, October 7-11, Houston, USA, Abstract No. P1, 2006. e-Pub 2006.
Sahoo N, Kazi A, Hoffman M. A semiempirical procedure for correcting detector size effects on clinical MV x-ray beam profiles. Medical Physics 33:2061, 2006. e-Pub 2006.
Smith A, Gillin M, Bues M, Zhu R, Sahoo N, Oliver P, Yang J, Ciangaru G, Polf J, Yanagisawa M, Chiba D, Ishida T, Sasaki T, Akiyama H, Hiramoto K, Nishimura N, Suzuki K. Acceptance tests and clinical commissioning of the M.D. Anderson Proton Therapy Center. Particle Therapy Co-Operative Group (PTCOG) 44 meeting, June 12-16, Zurich, Switzerland, Abstract No. 8, 2006. e-Pub 2006.
Sahoo N, Kazi A, Hoffman M. A procedure for correcting the effect of detector properties on measured profiles of small field MV x-ray beams. Medical Physics 33:2060, 2006. e-Pub 2006.
ShiuA, Wang C, Sadagopan R, Cho S, Lii M, Chang S, Woo S, Mahajan A, Sahoo N. Implementation of a 6D robotic couch-top for the automation of image-guided brain SRS and spinal SRT. Int Journal of Radiation Oncology, Biology, Physics 63:S515, 2005. e-Pub 2005.
Kazi A, Sahoo, N, Hoffman, M. Penumbra width correction of clinical high-energy x-ray beams. . Medical Physics 31:1908, 2004. e-Pub 2004.
Sahoo N Sahoo A. A linear source table for determination of treatment times for cylindrical applicators used for high dose rate brachytherapy. . Medical Physics 30:1332, 2003. e-Pub 2003.
Sahoo N Sahoo A. Determination of scatter loss factor for clinical high-energy x-ray beams near tissue-air interface. Medical Physics 30:1481, 2003. e-Pub 2003.
Pujari M, Sahoo N, Das T. Theoretical study of 14N hyperfine interactions in NO-Hemoglobin in R and T States. . Bulletin of the American Physical Society, Abstract No. S 30.009, 2002. e-Pub 2002.
Das T, Li H, Mohamed N, Sahoo N, Briere T, Frank M, Kreische W. Influence of intermolecular bonding and many-body effects on electron distribution in solid hydrogen fluoride - nuclear quadrupole interaction for 19F*. . Bulletin of the American Physical Society, Abstract No. E17.005, 2001. e-Pub 2001.
Sahoo N. Study of tissue target volume ratio (TTVR) and other dosimetric indices as tools for treatment planning and evaluation of permanent prostate brachytherapy. . Medical Physics 28:1830, 2001. e-Pub 2001.
Das T, Scheicher R, Cammarere D, Sahoo N, Nagamine K. First-Principles hartree-fock calculations for µ+ in water and in a CS2 environment. Bulletin of the American Physical Society, Abstract No. Z27.003, 2000. e-Pub 2000.
Cammarere D, Scheicher R, Sahoo N, Das T, Nagamine K. First-Principles investigation of hyperfine and magnetic properties of horse heart cyt c and determination of µ+ and Mu trapping sites. . Bulletin of the American Physical Society, Abstract No. E13.007, 2000. e-Pub 2000.

Book Chapters

Zhu XR, Poenisch F, Sahoo N, Gillin. Clinical Commissioning Pencil beam scanning for intensity modulated proton therapy. In: Proton Therapy: Indications, Techniques and Outcomes. 1st. Elsevier, 2020.
Poenisch F, Sahoo N, Li H, Hojo Y. Physics Quality Assurance. In: Proton Therapy: Indications, Techniques and Outcomes. Elsevier, 2020.
Gillin MT, Hojo Y, Sahoo N, Zhu XR. Treatment Delivery Procedures. In: Proton Therapy: Indications, Techniques and Outcomes. 1st. Elsevier, 2020.
Sahoo N. Introduction to Radiation Therapy Physics. In: Principles and Practice of Radiation Therapy. 5th. Elsevier, 2020.
Sahoo N, Sawakuchi GO, Gillin MT, Zhu XR. Radiation dosimetry of proton beams. In: Particle Therapy: Emerging Technology for Treatment of Cancer. Springer India, 77-94, 2016.
Sahoo N, Gautam AS, Poenisch F, Zhu XR, Li H, Zhang X, Wu R, Beddar S, Gillin MT. In-vivo Dosimetry for Proton Therapy. In: Principles and Practice of Proton Beam Therapy. Medical Physics Publishing, 795-817, 2015.
Mohan R, Sahoo N. Uncertainties in proton therapy:their impact and management. In: Principles and Practice of Proton Beam Therapy. Medical Physics Publishing, 595-622, 2015.
Zhu XR, Poenisch F, Li H, Zhang X, Sahoo N, Gillin M. Field shaping:scanning beam. In: Principles and Practice of Proton Beam Therapy. Medical Physics Publishing, 209-228, 2015.
Li H, Giebeler A, Dong L, Zhang X, Poenisch F, Sahoo N, Gillin M, Zhu XR. Treatment planning for passive scattering proton therapy. In: Principles and Practice of Proton Beam Therapy. Medical Physics Publishing, 647-665, 2015.
Gillin M, Zhu XR, Sahoo N. Considerations for an Effective Quality Assurance Program for Proton Therapy. In: Ion Beams in Therapy. Springer Verlag, 2012.

Books (edited and written)

Multiple. Particle Radiotherapy Emerging Technology for Treatment of Cancer. Springer India, 2016.

Letters to the Editor

Sahoo N, Ling C, Anderson L. Response to the Comment on Analysis of factors affecting the therapeutic gain in high dose rate gynecological implants relative to low dose rate implants by Dale R. Medical Physics 23: 1577, 1996.
Sahoo N, Mishra K, Das T. Response to the Comment on Identification of Anomalous Muonium in Semiconductors as a Vacancy-Associated Center by Estreicher S, Marynick D. . Physical Review Letters 56: 1512, 1986.
Sahoo N, Mishra K, Das T. Comments on Surface effects in Cluster Calculations of Energy profiles of Muonium in Diamond. Physical Review Letters 57: 3300, 1986.

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CV information above last modified March 31, 2026

Narayan Sahoo, Ph.D., FAAPM, FACR, FASTRO

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Narayan Sahoo, Ph.D., FAAPM, FACR, FASTRO

Present Title & Affiliation

Primary Appointment

Research Interests

Education & Training

Degree-Granting Education

Postgraduate Training

Licenses & Certifications

Experience & Service

Faculty Academic Appointments

Administrative Appointments/Responsibilities

Extramural Institutional Committee Activities

Editorial Activities

Honors & Awards

Professional Memberships

Selected Presentations & Talks

National Presentations

International Presentations

Formal Peers

Grant & Contract Support

Selected Publications

Peer-Reviewed Articles

Invited Articles

Review Articles

Abstracts

Book Chapters

Books (edited and written)

Letters to the Editor

Patient Reviews

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