A very low diffusion Fricke gel dosimeter with functionalised xylenol orange-PVA (XOPVA)
A gel dosimeter has been developed utilising a recently reported system for reducing Fe3+ diffusion in a Fricke gel dosimeter which chelates xylenol orange to the gelling agent poly(vinyl alcohol) (PVA). Formulations were investigated using both gelatin and PVA as the gelling agent, along with the i...
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| Veröffentlicht in: | Physics in medicine & biology 2019-10, Vol.64 (20), p.205017-205017 |
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| container_issue | 20 |
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| container_title | Physics in medicine & biology |
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| creator | Smith, S T Boase, N R B Masters, K-S Hosokawa, K Asena, A Crowe, S B Kairn, T Trapp, J V |
| description | A gel dosimeter has been developed utilising a recently reported system for reducing Fe3+ diffusion in a Fricke gel dosimeter which chelates xylenol orange to the gelling agent poly(vinyl alcohol) (PVA). Formulations were investigated using both gelatin and PVA as the gelling agent, along with the inclusion of glyoxal. The resulting gel had an optical density dose response of 0.0031 Gy−1, an auto-oxidation rate of 0.000 23 h−1, and a diffusion rate of 0.132 mm2 h−1 which is a significant improvement over previously reported gelatin based Fricke gel dosimeters. The gel was also shown to be energy and dose-rate independent and could be reused after irradiation. Thus, this gel dosimeter has the potential to provide a safe and practical solution to three dimensional radiation dosimetry in the medical environment. |
| doi_str_mv | 10.1088/1361-6560/ab430c |
| format | Article |
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Formulations were investigated using both gelatin and PVA as the gelling agent, along with the inclusion of glyoxal. The resulting gel had an optical density dose response of 0.0031 Gy−1, an auto-oxidation rate of 0.000 23 h−1, and a diffusion rate of 0.132 mm2 h−1 which is a significant improvement over previously reported gelatin based Fricke gel dosimeters. The gel was also shown to be energy and dose-rate independent and could be reused after irradiation. 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Med. Biol</addtitle><description>A gel dosimeter has been developed utilising a recently reported system for reducing Fe3+ diffusion in a Fricke gel dosimeter which chelates xylenol orange to the gelling agent poly(vinyl alcohol) (PVA). Formulations were investigated using both gelatin and PVA as the gelling agent, along with the inclusion of glyoxal. The resulting gel had an optical density dose response of 0.0031 Gy−1, an auto-oxidation rate of 0.000 23 h−1, and a diffusion rate of 0.132 mm2 h−1 which is a significant improvement over previously reported gelatin based Fricke gel dosimeters. The gel was also shown to be energy and dose-rate independent and could be reused after irradiation. Thus, this gel dosimeter has the potential to provide a safe and practical solution to three dimensional radiation dosimetry in the medical environment.</description><subject>Diffusion</subject><subject>dosimetry</subject><subject>Fricke</subject><subject>gel dosimetry</subject><subject>Gels - chemistry</subject><subject>Gels - radiation effects</subject><subject>Phenols - chemistry</subject><subject>polymer</subject><subject>Polyvinyl Alcohol - chemistry</subject><subject>Radiation Dosimeters - standards</subject><subject>Radiometry - instrumentation</subject><subject>Radiometry - methods</subject><subject>Sulfoxides - chemistry</subject><issn>0031-9155</issn><issn>1361-6560</issn><issn>1361-6560</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kEFv1DAQhS0Eokvhzgn5uEiEzthO4hxXFQWkSuUAqDcrccbFJYmDnbTsv8erLT0hpJGeNPreO3yMvUZ4j6D1GcoKi6qs4KztlAT7hG0eX0_ZBkBi0WBZnrAXKd0CIGqhnrMTiSWUqq437HrH7yju-RDuee-dW5MPE7-I3v4kfkMD70PyIy0U-b1ffnC3TnbJSDv4RD3_vR9oCgMPsZ1uqPjyfce311c53r5kz1w7JHr1kKfs28WHr-efisurj5_Pd5eFVUovRela2wiJ4GqQ1OtOdBKctvnf9K5qJIG1Ncq6Uag61CRUl3GNhEIokPKUbY-7cwy_VkqLGX2yNAztRGFNRgit61IoiRmFI2pjSCmSM3P0Yxv3BsEcfJqDPHOQZ44-c-XNw_rajdQ_Fv4KzMC7I-DDbG7DGrOZ9L-97T_weexMpYyAfCVgbebeyT-ph4pr</recordid><startdate>20191016</startdate><enddate>20191016</enddate><creator>Smith, S T</creator><creator>Boase, N R B</creator><creator>Masters, K-S</creator><creator>Hosokawa, K</creator><creator>Asena, A</creator><creator>Crowe, S B</creator><creator>Kairn, T</creator><creator>Trapp, J V</creator><general>IOP Publishing</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0001-7028-6452</orcidid></search><sort><creationdate>20191016</creationdate><title>A very low diffusion Fricke gel dosimeter with functionalised xylenol orange-PVA (XOPVA)</title><author>Smith, S T ; Boase, N R B ; Masters, K-S ; Hosokawa, K ; Asena, A ; Crowe, S B ; Kairn, T ; Trapp, J V</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c448t-5fac92310f703ed8b2b30f8c5fa9df693e0cc71379414b18e24b23181e1224033</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Diffusion</topic><topic>dosimetry</topic><topic>Fricke</topic><topic>gel dosimetry</topic><topic>Gels - chemistry</topic><topic>Gels - radiation effects</topic><topic>Phenols - chemistry</topic><topic>polymer</topic><topic>Polyvinyl Alcohol - chemistry</topic><topic>Radiation Dosimeters - standards</topic><topic>Radiometry - instrumentation</topic><topic>Radiometry - methods</topic><topic>Sulfoxides - chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Smith, S T</creatorcontrib><creatorcontrib>Boase, N R B</creatorcontrib><creatorcontrib>Masters, K-S</creatorcontrib><creatorcontrib>Hosokawa, K</creatorcontrib><creatorcontrib>Asena, A</creatorcontrib><creatorcontrib>Crowe, S B</creatorcontrib><creatorcontrib>Kairn, T</creatorcontrib><creatorcontrib>Trapp, J V</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Physics in medicine & biology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Smith, S T</au><au>Boase, N R B</au><au>Masters, K-S</au><au>Hosokawa, K</au><au>Asena, A</au><au>Crowe, S B</au><au>Kairn, T</au><au>Trapp, J V</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A very low diffusion Fricke gel dosimeter with functionalised xylenol orange-PVA (XOPVA)</atitle><jtitle>Physics in medicine & biology</jtitle><stitle>PMB</stitle><addtitle>Phys. Med. Biol</addtitle><date>2019-10-16</date><risdate>2019</risdate><volume>64</volume><issue>20</issue><spage>205017</spage><epage>205017</epage><pages>205017-205017</pages><issn>0031-9155</issn><issn>1361-6560</issn><eissn>1361-6560</eissn><coden>PHMBA7</coden><abstract>A gel dosimeter has been developed utilising a recently reported system for reducing Fe3+ diffusion in a Fricke gel dosimeter which chelates xylenol orange to the gelling agent poly(vinyl alcohol) (PVA). Formulations were investigated using both gelatin and PVA as the gelling agent, along with the inclusion of glyoxal. The resulting gel had an optical density dose response of 0.0031 Gy−1, an auto-oxidation rate of 0.000 23 h−1, and a diffusion rate of 0.132 mm2 h−1 which is a significant improvement over previously reported gelatin based Fricke gel dosimeters. The gel was also shown to be energy and dose-rate independent and could be reused after irradiation. Thus, this gel dosimeter has the potential to provide a safe and practical solution to three dimensional radiation dosimetry in the medical environment.</abstract><cop>England</cop><pub>IOP Publishing</pub><pmid>31505477</pmid><doi>10.1088/1361-6560/ab430c</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0001-7028-6452</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | Physics in medicine & biology, 2019-10, Vol.64 (20), p.205017-205017 |
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| source | MEDLINE; IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | Diffusion dosimetry Fricke gel dosimetry Gels - chemistry Gels - radiation effects Phenols - chemistry polymer Polyvinyl Alcohol - chemistry Radiation Dosimeters - standards Radiometry - instrumentation Radiometry - methods Sulfoxides - chemistry |
| title | A very low diffusion Fricke gel dosimeter with functionalised xylenol orange-PVA (XOPVA) |
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