Zobrazeno 1 - 10
of 65
pro vyhledávání: '"D. Nichiporov"'
Autor:
B. Arjomandy, Biniam Tesfamicael, Ana Bejarano Buele, David A. Watts, D. Nichiporov, Valeri Kozlyuk, Basit S. Athar
Publikováno v:
Medical Physics. 46:1049-1053
Purpose Daily verification of the proton beam range in proton radiation therapy is a vital part of the quality assurance (QA) program. The objective of this work is to study the use of a multilayer Faraday cup (MLFC) to perform a quick and precise da
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::540749534fa758d4ebc0488cfbdbcf92
https://doi.org/10.1002/mp.13348
https://doi.org/10.1002/mp.13348
Publikováno v:
Physics in Medicine and Biology. 61:2972-2990
Accurate, high-spatial resolution dosimetry in proton therapy is a time consuming task, and may be challenging in the case of small fields, due to the lack of adequate instrumentation. The purpose of this work is to develop a novel dose imaging detec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec7da30af9c45dfa64afdadc1171b602
https://doi.org/10.1088/0031-9155/61/8/2972
https://doi.org/10.1088/0031-9155/61/8/2972
Autor:
Indra J. Das, D. Nichiporov, Chee-Wai Cheng, Q. Zhao, V. Anferov, R. Parola, Masaaki Takashina, Vadim Moskvin
Publikováno v:
Medical physics. 39(6Part17)
Purpose:Charged particle therapy, especially proton therapy is a growing treatment modality worldwide. Monte Carlo(MC) simulation of the interactions of proton beam with equipment, devices and patient is a highly efficient tool that can substitute me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6cc111c05acde27adf229d1fdd0da91
https://pubmed.ncbi.nlm.nih.gov/28517449
https://pubmed.ncbi.nlm.nih.gov/28517449
Autor:
Vahagn Nazaryan, Leslie K. Davis, Jerry George, Richard A. Britten, D. Nichiporov, Cynthia Keppel, Xiliang Nie, Mark Wolanski, Susan B. Klein, Marc S. Mendonca
Publikováno v:
Radiation Research. 179:21-28
Considerable evidence now exists to show that that the relative biological effectiveness (RBE) changes considerably along the proton depth-dose distribution, with progressively higher RBE values at the distal part of the modulated, or spread out Brag
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::03e06c63a2b920b9ba3264c1cb21a459
https://doi.org/10.1667/rr2737.1
https://doi.org/10.1667/rr2737.1
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 694:271-279
New techniques in proton radiation therapy and advances in beam delivery systems design such as beam scanning require accurate 2D dosimetry systems to verify the delivered dose distribution. Dose imaging detectors based on gas electron multipliers (G
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e1c993318637cb7dabca6f45eaeb3f3
https://doi.org/10.1016/j.nima.2012.08.049
https://doi.org/10.1016/j.nima.2012.08.049
Publikováno v:
Medical Physics. 39:2559-2568
Purpose: To compare clinically relevant dosimetric characteristics of proton therapy fields produced by two uniform scanning systems that have a number of similar hardware components but employ different techniques of beam spreading. Methods: This wo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28049099de54ee6ae271dc2185e3bfdb
https://doi.org/10.1118/1.3701774
https://doi.org/10.1118/1.3701774
Publikováno v:
Radiation Measurements. 46:1628-1633
Silicon diodes of n-type produced at the Institute for Physical and Technical Problems (Russia) have been evaluated in two clinical proton beams with significantly different dose rates. The diodes demonstrated high radiation hardness up to at least 5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b80875becbd9f12a7e1114f3ad4a9e1
https://doi.org/10.1016/j.radmeas.2011.07.041
https://doi.org/10.1016/j.radmeas.2011.07.041
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 269:2685-2692
Radiotherapy with proton beams requires accurate knowledge of the proton range. When materials with high atomic numbers ( Z ) and densities (e.g. prostheses or implants) are present in the patient, they give rise to pronounced uncertainties in comput
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::189b0df3f21a1d8a9af49ae7bb9c8053
https://doi.org/10.1016/j.nimb.2011.07.109
https://doi.org/10.1016/j.nimb.2011.07.109
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 628:434-439
New techniques in charged particle therapy and widespread use of modern dynamic beam delivery systems demand new beam monitoring devices as well as accurate two-dimensional dosimetry systems to verify the delivered dose distribution. We are developin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eef6c2a3d56bd3bd94cf728034d0678b
https://doi.org/10.1016/j.nima.2010.07.019
https://doi.org/10.1016/j.nima.2010.07.019
Publikováno v:
Radiation Measurements. 46:244-249
A monitor for a uniformly scanned beam was designed and constructed by the Indiana University Cyclotron Facility for use in a clinical proton gantry at the Midwest Proton Radiotherapy Institute. The beam monitor is a thin-walled, wide-aperture ioniza
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dbe66e0c1c4e7824cf2afa3b9e08117d
https://doi.org/10.1016/j.radmeas.2010.11.017
https://doi.org/10.1016/j.radmeas.2010.11.017