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A study of N-isopropyl acrylamide (NIPAM)-based polymer gel dosimeter by using Raman spectroscopy


Adenan, Mohd Zulfadli and Ahmad @ Ayob, Mansor and Mohd Noor, Noramaliza and Saion, Elias (2015) A study of N-isopropyl acrylamide (NIPAM)-based polymer gel dosimeter by using Raman spectroscopy. Advanced Materials Research, 1107. pp. 103-107. ISSN 1022-6680; ESSN: 1662-8985


Polymer gel is a kind of radiation dosimetry system that has been applied widely in radiotherapy treatment. In this study, the samples of NIPAM-based polymer gel which posses a good potential as 3D radiation dosimetry are synthesized. The samples of polymer gel were irradiated up to 20 Gy by using gamma cell instrument with 60Co sources at a constant dose rate. Upon irradiation, then the chemical changes in polymer gel were characterized by using Raman spectroscopy. The polymerization was referred to an increment in Raman intensity at 815 cm-1, assigned for C-C stretching mode of NIPAM polymer gel, as the dose increased. The consumptions of the co-monomers were referred to a decrement in Raman intensities at 1025 cm-1 and 2353 cm-1 assigned for C=C stretching modes of NIPAM and BIS respectively, as the dose increased. Result shows that the amount of carbon single bonds increases while the amount of carbon covalent bonds decreases following irradiation.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Medicine and Health Science
Faculty of Science
DOI Number: https://doi.org/10.4028/www.scientific.net/AMR.1107.103
Publisher: Trans Tech Publications
Keywords: Polymer gel; Radiation dosimeter; Radiation therapy; Raman spectroscopy
Depositing User: Nurul Ainie Mokhtar
Date Deposited: 11 Oct 2016 02:42
Last Modified: 11 Oct 2016 02:42
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.4028/www.scientific.net/AMR.1107.103
URI: http://psasir.upm.edu.my/id/eprint/34975
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