Search Results - "Nichiporov, D."

Characterization of a GEM-based scintillation detector with He-CF4 gas mixture in clinical proton beams by Nichiporov, D, Coutinho, L, Klyachko, A V

“…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…”
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Clinical characterization of a proton beam continuous uniform scanning system with dose layer stacking by Farr, J. B., Mascia, A. E., Hsi, W.-C., Allgower, C. E., Jesseph, F., Schreuder, A. N., Wolanski, M., Nichiporov, D. F., Anferov, V.

“…A proton beam delivery system on a gantry with continuous uniform scanning and dose layer stacking at the Midwest Proton Radiotherapy Institute has been…”
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Range shift and dose perturbation with high-density materials in proton beam therapy by Nichiporov, D., Moskvin, V., Fanelli, L., Das, I.J.

“…Radiotherapy with proton beams requires accurate knowledge of the proton range. When materials with high atomic numbers ( Z) and densities (e.g. prostheses or…”
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A GEM-based dose imaging detector with optical readout for proton radiotherapy by Klyachko, A.V., Moskvin, V., Nichiporov, D.F., Solberg, K.A.

“…New techniques in proton radiation therapy and advances in beam delivery systems design such as beam scanning require accurate 2D dosimetry systems to verify…”
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On the properties of n-type silicon diode detectors for clinical proton dosimetry by Nichiporov, D., Kostjuchenko, V., Symons, J., Khrunov, V.

“…Silicon diodes of n-type produced at the Institute for Physical and Technical Problems (Russia) have been evaluated in two clinical proton beams with…”
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SU‐E‐T‐10: A Computational Model for the Estimation of Biological Dose in a Clinical Proton Beam by Das, I, Anferov, V, Besemer, A, Moskvin, V, Nichiporov, D

“…Purpose: The variability of relative biological effectiveness (RBE) of a proton beam with spatial distribution is well known. It is dependent on the proton…”
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SU‐E‐T‐491: A FLUKA Monte Carlo Computational Model of a Scanning Proton Beam Therapy Nozzle at IU Proton Therapy Center by Moskvin, V, Cheng, C, Anferov, V, Nichiporov, D, Zhao, Q, Takashina, M, Parola, R, Das, I

“…Purpose: Charged particle therapy, especially proton therapy is a growing treatment modality worldwide. Monte Carlo (MC) simulation of the interactions of…”
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Performance characteristics and long-term calibration stability of a beam monitor for a proton scanning gantry by Nichiporov, D.F., Klyachko, A.V., Solberg, K.A., Zhao, Q.

“…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…”
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Evaluation of aluminum oxide fluorescent and OSL detectors in proton radiotherapy beams by Bartz, J.A., Sykora, G.J., Underwood, T.H., Nichiporov, D.N., Sawakuchi, G.O., Akselrod, M.S.

“…Fluorescent Nuclear Track Detectors (FNTD) and Optically Stimulated Luminescence Detectors (OSLD) were investigated for application in proton therapy…”
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SU‐E‐T‐206: A Patient Dose Monitor for a Proton Uniform Scanning Gantry by Nichiporov, D, Klyachko, A, Solberg, K, Kunkler, B, Eads, A, Ball, M

“…Purpose: Discontinuation by the manufacturer of construction materials and several known design imperfections of the existing patient dose monitor (PDM) in our…”
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Dose imaging detectors for radiotherapy based on gas electron multipliers by Klyachko, A.V., Friesel, D.L., Kline, C., Liechty, J., Nichiporov, D.F., Solberg, K.A.

“…New techniques in charged particle therapy and widespread use of modern dynamic beam delivery systems demand new beam monitoring devices as well as accurate…”
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SU‐GG‐T‐336: Effect of Treatment and Beam Parameters on Surface Dose in Proton Beam Therapy by Das, I, Fanelli, L, Gautam, A, Zhao, L, Wolanski, M, Nichiporov, D, Cheng, C

“…Purpose: The advantage of lower skin dose in proton beam therapy may result in less radiation‐related side effects which are typically seen in…”
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SU‐FF‐T‐373: Investigation of Humidity Effects On Beam Monitor Performance in a Proton Clinical Gantry by Nichiporov, D, Solberg, K, Klyachko, A, Das, I, Zhao, Q

“…Purpose: To investigate the effect of ambient humidity on performance characteristics of ionization chambers used as beam monitors in two clinical proton…”
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Patient Specific Dosimetry and Quality Assurance for an Active Uniform Scanning Proton Beam by Mascia, A.E, Wolanski, M, Jesseph, R, Nichiporov, D

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SU‐FF‐T‐328: Dose Perturbation and Range Shift with High‐Z Medium in Proton Beam by Das, I, Nichiporov, D, Moskvin, V, Shahnazi, K, Fanelli, L, Fitzek, M, Johnstone, P

“…Purpose: Treatment planning for proton beams requires accurate CT numbers to correlate with electron densities that define the proton range. When high atomic…”
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Introducing New Technology into the Clinic: The First Year of Experience in Proton Therapy with a Uniform Scanning System by Fitzek, M.M, Thornton, A.F, Chang, A, Shahnazi, K, Sullivan, M, Wolanski, M, Allgower, C, Anferov, V, Nichiporov, D, Derenchuk, V

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TH‐C‐M100F‐06: Therapeutic Uniform Scanning Proton Beam Development and Characterization: Longitudinal Results by Mascia, A, Farr, J, Hsi, W, Allgower, C, Nichiporov, D

“…Purpose: To utilize a new depth‐dose detector and to construct, develop, characterize and quantify longitudinal beam profiles with an active uniform scanning…”
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Comparison of Commissioning Results for Passive and Scanning Proton Beam Spreading Systems by Wolanski, M.R, Allgower, C, Coutinho, L, Farr, J.B, Fitzek, M, Jesseph, R, Mascia, A, Thornton, A, Anferov, V, Nichiporov, D

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41 POTENTIAL APPLICATIONS OF A GAS ELECTRON MULTIPLIER-BASED DETECTOR TO SMALL FIELD DOSIMETRY AND IMAGING IN PROTON THERAPY by Nichiporov, D, Klyachko, A, Coutinho, L, Parola, R, Moskvin, V, Cheng, C.W, Das, I

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TU‐FF‐A2‐04: Preliminary Radiological Characterization of An Active Proton Beam Spreading System for Therapeutic Use by Farr, J, Mascia, A, Nichiporov, D, Hsi, W, Allgower, C, Schreuder, A, Thornton, A

“…Purpose: At most proton therapy centers, a clinically useable radiation field is delivered by means of a passive beam spreading system. However, at this proton…”
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