Optimum storage temperature of a reusable radiochromic gel dosimeter composed of PVA, iodine, and silica nanoparticles (PAISiN)

Abstract

A recently introduced radiochromic complex composed of polyvinyl alcohol, iodide, and silica nanoparticles named “PAISiN” has potential as an extremity dosimeter because of its easily recognizable color change and reusability. In this study, the influence of temperature on the decolorization process of PAISiN after X-ray irradiation was investigated at four different temperatures. The results indicated that the optimal storage temperature for maintaining the post-irradiation coloration status of PAISiN was judged to be 10–11 °C.