Polymer gel dosimeter with AQUAJOINT® as hydrogel matrix

We report a polymer gel dosimeter based on a new gel matrix (AQUAJOINT®) that is a thermo-irreversible hydrogel formed by mixing two types of water-based liquids at room temperature. Normoxic N-vinylpyrrolidone-based polymer gels were prepared with AQUAJOINT® instead of gelatin. This AQUAJOINT®-base...

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Published inRadiation physics and chemistry (Oxford, England : 1993) Vol. 146; pp. 121 - 125
Main Authors Maeyama, Takuya, Ishida, Yasuhiro, Kudo, Yoshihiro, Fukasaku, Kazuaki, Ishikawa, Kenichi L., Fukunishi, Nobuhisa
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 01.05.2018
Elsevier BV
Subjects
AQUAJOINT
Deformation
Dosimeters
Dosimetry
Formability
Gel dosimetry
Gelatin
Heat resistance
Hydrogels
MRI
NMR
Nuclear magnetic resonance
Polymer gel dosimeter
Polymer gels
Temperature
Thermal resistance
Viscoelasticity
MRI
AQUAJOINT
Gel dosimetry
Polymer gel dosimeter
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Summary:We report a polymer gel dosimeter based on a new gel matrix (AQUAJOINT®) that is a thermo-irreversible hydrogel formed by mixing two types of water-based liquids at room temperature. Normoxic N-vinylpyrrolidone-based polymer gels were prepared with AQUAJOINT® instead of gelatin. This AQUAJOINT®-based gel dosimeter exhibits a 2.5-fold increase in sensitivity over a gelatin-based gel dosimeter and a linear dose–response in the dose range of 0–8 Gy. This gel has heat resistance in a jar and controlled gel properties such as viscoelastic and mechanical characters, which may be useful for deformable polymer gel dosimetry. •We report a polymer gel dosimeter based on a new gel matrix (AQUAJOINT®).•AQUAJOINT® is a thermo-irreversible hydrogel formed by mixing two types of liquids.•Sensitivity was enhanced than gelatin-based polymer gel by changing gelling agents.
ISSN:0969-806X
1879-0895
DOI:10.1016/j.radphyschem.2018.01.014