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Information Journal Paper

Title

THE BASIC RADIATION PROPERTIES OF THE N-ISOPROPYLACRYLAMIDE BASED POLYMER GEL DOSIMETER

Pages

  347-354

Keywords

MRI 
R2 

Abstract

 Background: In this study the basic radiation properties of N‐isopropylacrylamaide polymer gel dosimeter were determined together with verification of its soti tissue equivalency. Materials and Methods: The NIPAM gel was prepared and irradiated approximately 2 h after manufacturing. The magnetic resonance (MR) images were made 24 h after irradiation. The nuclear magnetic resonance (NMR) response (R2) of the dosimeters was analyzed for conditions of varying dose, batch, dose rate, time post‐irradiation and energy. In order to verify tissue equivalence of NIPAM dosimeter, several parameters such as physical density, effective atomic number, relative electron density, CT (Computed Tomography) number and also elemental composition were determined and compared with those for soti tissue.Results: The response of the gel was found to be stable 24 hours after irradiation. The results showed that the dose response of the NIPAM polymer gel is reproducible in same and different batches of chemical and the gel response was linear up to 26 Gy with r2=0.995. In the measured range, the dose response of the NIPAM gel is independent of beam energy within less than ±0.02 and the dose rate had no effect on the gel response. This polymer gel has been found to be tissue equivalent.Conclusion: NIPAM gel dosimeter appears to be a promising dosimeter in all aspects of dosimetric properties which were assessed in this study, in addition to the advantage of reduced toxicity which it has over other polymer gels.

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    APA: Copy

    FARAJOLLAHI, A.R., PAK, FARIDEH, HORSFIELD, M., & MYABI, Z.. (2014). THE BASIC RADIATION PROPERTIES OF THE N-ISOPROPYLACRYLAMIDE BASED POLYMER GEL DOSIMETER. INTERNATIONAL JOURNAL OF RADIATION RESEARCH, 12(4), 347-354. SID. https://sid.ir/paper/286653/en

    Vancouver: Copy

    FARAJOLLAHI A.R., PAK FARIDEH, HORSFIELD M., MYABI Z.. THE BASIC RADIATION PROPERTIES OF THE N-ISOPROPYLACRYLAMIDE BASED POLYMER GEL DOSIMETER. INTERNATIONAL JOURNAL OF RADIATION RESEARCH[Internet]. 2014;12(4):347-354. Available from: https://sid.ir/paper/286653/en

    IEEE: Copy

    A.R. FARAJOLLAHI, FARIDEH PAK, M. HORSFIELD, and Z. MYABI, “THE BASIC RADIATION PROPERTIES OF THE N-ISOPROPYLACRYLAMIDE BASED POLYMER GEL DOSIMETER,” INTERNATIONAL JOURNAL OF RADIATION RESEARCH, vol. 12, no. 4, pp. 347–354, 2014, [Online]. Available: https://sid.ir/paper/286653/en

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