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The Effect of MRI Parameters on the Sensitivity and Dose Resolution of PASSAG Polymer Gel Dosimeter by Meysam Haghighi Borujeini; Masoume Farsizaban; Gholamreza Ataei; Vahid Anaraki; Ruhollah Ghahramani-Asl; Farzaneh Falahati; Bagher Farhood is a Chemistry article available to read on EtoBox.
What is The Effect of MRI Parameters on the Sensitivity and Dose Resolution of PASSAG Polymer Gel Dosimeter about?
Magnetic resonance imaging (MRI) system is used as one of the most common methods to read out the response of polymer gel dosimeters. The imaging protocols can have a remarkable effect on the response of polymer gel dosimeters; hence, the impact of imaging parameters on the response of each type of polymer gel dosimeter should be addressed. This study aims to investigate the effect of MRI parameters on PASSAG polymer gel dosimeter response. PASSAG gel dosimeter was first fabricated and then, these gel samples were irradiated by a 6 MV X-rays. Thereafter, the MRI responses (R 2 ) of the gel samples were analyzed. In addition, the impact of MRI parameters, including number of echoes (NOE), echo spacing (ES), repetition time (TR), and matrix size, on the sensitivity and dose resolution of the gel samples were evaluated. The findings showed that the highest R 2 -dose sensitivity belongs to the gel samples imaged with 32 NOE. It was also found that the dose resolution value improves with the increase of NOE. The R 2 -dose sensitivities and dose resolution values obtained from PASSAG gel samples imaged with ESs of 16.8, 22.0, and 27.2 ms were almost the same. Furthermore, the R 2 -dose s
Who reads The Effect of MRI Parameters on the Sensitivity and Dose Resolution of PASSAG Polymer Gel Dosimeter?
It is typically read by researchers, students, and practitioners in Chemistry.
- Author
- Meysam Haghighi Borujeini; Masoume Farsizaban; Gholamreza Ataei; Vahid Anaraki; Ruhollah Ghahramani-Asl; Farzaneh Falahati; Bagher Farhood
- Publisher
- Springer Science and Business Media LLC
- Published
- 2021
- Language
- EN
- Field
- Chemistry (Physical Sciences)