Enhancement of dose response and nuclear magnetic resonance image of PAGAT polymer gel dosimeter by adding silver nanoparticles
In the present study, the normoxic polyacrylamide gelatin and tetrakis hydroxy methyl phosphoniun chloride (PAGAT) polymer gel dosimeters were synthesized with and without the presence of silver (Ag) nanoparticles. The amount of Ag nanoparticles varied from 1 to 3 ml with concentration 3.14 g/l, thu...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Public Library of Science
2017
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| Online Access: | http://psasir.upm.edu.my/id/eprint/52107/1/52107.pdf |
| _version_ | 1796975682548400128 |
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| author | Sabbaghizadeh, Rahim Shamsudin, Roslinda Deyhimihaghighi, Najmeh Sedghi, Arman |
| author_facet | Sabbaghizadeh, Rahim Shamsudin, Roslinda Deyhimihaghighi, Najmeh Sedghi, Arman |
| author_sort | Sabbaghizadeh, Rahim |
| collection | UPM |
| description | In the present study, the normoxic polyacrylamide gelatin and tetrakis hydroxy methyl phosphoniun chloride (PAGAT) polymer gel dosimeters were synthesized with and without the presence of silver (Ag) nanoparticles. The amount of Ag nanoparticles varied from 1 to 3 ml with concentration 3.14 g/l, thus forming two types of PAGAT polymer gel dosimeters before irradiating them with 6 to 25 Gy produced by 1.25-MeV 60Co gamma rays. In this range, the predominant gamma ray interaction with matter is by Compton scattering effect, as the photoelectric absorption effect diminishes. MRI was employed when evaluating the polymerization of the dosimeters and the gray scale of the MRI film was determined via an optical densitometer. Subsequent analyses of optical densities revealed that the extent of polymerization increased with the increase in the absorbed dose, while the increase of penetration depth within the dosimeters has a reverse effect. Moreover, a significant increase in the optical density-dose response (11.82%) was noted for dosimeters containing 2 ml Ag nanoparticles. |
| first_indexed | 2024-03-06T09:14:56Z |
| format | Article |
| id | upm.eprints-52107 |
| institution | Universiti Putra Malaysia |
| language | English |
| last_indexed | 2024-03-06T09:14:56Z |
| publishDate | 2017 |
| publisher | Public Library of Science |
| record_format | dspace |
| spelling | upm.eprints-521072017-05-05T02:58:22Z http://psasir.upm.edu.my/id/eprint/52107/ Enhancement of dose response and nuclear magnetic resonance image of PAGAT polymer gel dosimeter by adding silver nanoparticles Sabbaghizadeh, Rahim Shamsudin, Roslinda Deyhimihaghighi, Najmeh Sedghi, Arman In the present study, the normoxic polyacrylamide gelatin and tetrakis hydroxy methyl phosphoniun chloride (PAGAT) polymer gel dosimeters were synthesized with and without the presence of silver (Ag) nanoparticles. The amount of Ag nanoparticles varied from 1 to 3 ml with concentration 3.14 g/l, thus forming two types of PAGAT polymer gel dosimeters before irradiating them with 6 to 25 Gy produced by 1.25-MeV 60Co gamma rays. In this range, the predominant gamma ray interaction with matter is by Compton scattering effect, as the photoelectric absorption effect diminishes. MRI was employed when evaluating the polymerization of the dosimeters and the gray scale of the MRI film was determined via an optical densitometer. Subsequent analyses of optical densities revealed that the extent of polymerization increased with the increase in the absorbed dose, while the increase of penetration depth within the dosimeters has a reverse effect. Moreover, a significant increase in the optical density-dose response (11.82%) was noted for dosimeters containing 2 ml Ag nanoparticles. Public Library of Science 2017 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/52107/1/52107.pdf Sabbaghizadeh, Rahim and Shamsudin, Roslinda and Deyhimihaghighi, Najmeh and Sedghi, Arman (2017) Enhancement of dose response and nuclear magnetic resonance image of PAGAT polymer gel dosimeter by adding silver nanoparticles. PLOS ONE, 12 (1). art. no. e0168737. pp. 1-18. ISSN 1932-6203 10.1371/journal.pone.0168737 |
| spellingShingle | Sabbaghizadeh, Rahim Shamsudin, Roslinda Deyhimihaghighi, Najmeh Sedghi, Arman Enhancement of dose response and nuclear magnetic resonance image of PAGAT polymer gel dosimeter by adding silver nanoparticles |
| title | Enhancement of dose response and nuclear magnetic resonance image of PAGAT polymer gel dosimeter by adding silver nanoparticles |
| title_full | Enhancement of dose response and nuclear magnetic resonance image of PAGAT polymer gel dosimeter by adding silver nanoparticles |
| title_fullStr | Enhancement of dose response and nuclear magnetic resonance image of PAGAT polymer gel dosimeter by adding silver nanoparticles |
| title_full_unstemmed | Enhancement of dose response and nuclear magnetic resonance image of PAGAT polymer gel dosimeter by adding silver nanoparticles |
| title_short | Enhancement of dose response and nuclear magnetic resonance image of PAGAT polymer gel dosimeter by adding silver nanoparticles |
| title_sort | enhancement of dose response and nuclear magnetic resonance image of pagat polymer gel dosimeter by adding silver nanoparticles |
| url | http://psasir.upm.edu.my/id/eprint/52107/1/52107.pdf |
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