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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

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Official URL: http://www.scientific.net/AMR.1107.103

Abstract

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.

Item Type:Article
Keyword:Polymer gel; Radiation dosimeter; Radiation therapy; Raman spectroscopy
Faculty or Institute:Faculty of Medicine and Health Science
Faculty of Science
Publisher:Trans Tech Publications
DOI Number:10.4028/www.scientific.net/AMR.1107.103
Altmetrics:http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.4028/www.scientific.net/AMR.1107.103
ID Code:34975
Deposited By: Nurul Ainie Mokhtar
Deposited On:11 Oct 2016 10:42
Last Modified:11 Oct 2016 10:42

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