基于白细胞的复合树脂剂量计薄膜。

Leuco-Based Composite Resin Dosimeter Film.

作者信息

Iwata Takato, Kinashi Kenji, Doan Hoan Ngoc, Vo Phu Phong, Sakai Wataru, Tsutsumi Naoto

机构信息

Master's Program of Innovative Materials, Doctor's Program of Materials Chemistry, Graduate School of Science and Technology, and Faculty of Materials Science and Engineering, Kyoto Institute of Technology, Matsugasaki, Sakyo, Kyoto 606-8585, Japan.

出版信息

ACS Omega. 2019 Jun 7;4(6):9946-9951. doi: 10.1021/acsomega.9b00435. eCollection 2019 Jun 30.

DOI:10.1021/acsomega.9b00435

PMID:31460086

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6648168/

Abstract

A polystyrene (PS)-based composite resin dosimeter (CRD) film comprising 2-(phenylamino)-6-(dipentylamino)-3-methylspiro[9-xanthene-9,3'-phthalide] (Black305) fluoran leuco dye, cerium-doped yttrium aluminum perovskite YAlO:Ce (YAP:Ce) scintillator, and 2-(4-methoxystyryl)-4,6-bis(trichloromethyl)-1,3,5-triazine (MBTT) photoacid generator was developed for the visualization of X-ray exposure doses in the range of 18-170 Gy. The color of the CRD film changed from yellow to black within this range based on the X-ray exposure dose. A CRD film based on Black305/YAP:Ce/MBTT/PS could be used to produce a dosimeter with various color change sensitivities by controlling the thermodynamic parameters of the constituent materials. A CRD film is a promising tool for measuring the X-ray exposure dose and can be used as an alternative to the existing radiochromic dosimeters.

摘要

一种基于聚苯乙烯（PS）的复合树脂剂量计（CRD）薄膜被研发出来，它包含2-（苯氨基）-6-（二戊基氨基）-3-甲基螺[9-呫吨-9,3'-酞内酯]（Black305）荧烷无色染料、铈掺杂钇铝钙钛矿YAlO:Ce（YAP:Ce）闪烁体以及2-（4-甲氧基苯乙烯基）-4,6-双（三氯甲基）-1,3,5-三嗪（MBTT）光酸产生剂，用于可视化18 - 170 Gy范围内的X射线照射剂量。在此剂量范围内，CRD薄膜的颜色会根据X射线照射剂量从黄色变为黑色。基于Black305/YAP:Ce/MBTT/PS的CRD薄膜可通过控制组成材料的热力学参数来制造具有不同颜色变化灵敏度的剂量计。CRD薄膜是测量X射线照射剂量的一种有前途的工具，并且可作为现有辐射变色剂量计的替代品。