Thermal, dosimetric and thermo-mechanical characterization of ABS and PLA polymer materials via plastic injection molding for innovative bolus materials in radiotherapy applications

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dc.authorscopusidHüseyin Ozan Tekin / 56971130700
dc.authorwosidHüseyin Ozan Tekin / J-9611-2016
dc.contributor.authorŞahin, Tülin
dc.contributor.authorÇavdar Karaçam, Songül
dc.contributor.authorTunçman, Duygu
dc.contributor.authorŞahin, Şenol
dc.contributor.authorErgen, Şefika Arzu
dc.contributor.authorÇolpan Öksüz, Didem
dc.contributor.authorALMisned, Ghada
dc.contributor.authorTekin, Hüseyin Ozan
dc.date.accessioned2025-04-18T09:00:01Z
dc.date.available2025-04-18T09:00:01Z
dc.date.issued2024
dc.departmentİstinye Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Bilgisayar Mühendisliği Bölümü
dc.description.abstractThe impact of radiation on polymer materials, and consequently on their mechanical and physical properties, is a burgeoning field of research. This research assesses the dosimetric, mechanical, and thermal characteristics of Acrylonitrile Butadiene Styrene (ABS) and Polylactic Acid (PLA) materials developed through plastic injection molding as possible alternatives to commercial bolus used in radiotherapy. The materials were thoroughly compared with the commercial bolus material, EXAFLEX, by various tests such as Hounsfield Unit (HU) Analysis, Radiation Transmittance, Thermogravimetric Analysis (TGA), Thermomechanical Analysis (TMA), and Fourier Transform Infrared Spectroscopy (FTIR). The research indicates that ABS and PLA materials have similar radiological qualities to EXAFLEX, showing constant surface and accumulation area doses. Minor differences are seen deeper inside the phantom, indicating a stable tissue equivalency. ABS demonstrated strong resistance to radiation -induced chemical modifications, but PLA exhibited susceptibility to molecular changes. The TMA findings showed that radiation caused a decrease in softening temperatures and an increase in the coefficient of thermal expansion for both ABS and PLA, indicating changes in their thermal stability and mechanical characteristics after irradiation. The study highlights the potential of ABS and PLA materials made through plastic injection molding as efficient and safety substitutes for commercial bolus materials, particularly for large area irradiation. This requires more research into their clinical uses and consequences.
dc.description.sponsorshipPrincess Nourah bint Abdulrahman University
dc.identifier.citationŞahin, T., Karaçam, S. Ç., Tunçman, D., Şahin, Ş., Ergen, Ş. A., Öksüz, D. Ç., ... & Tekin, H. O. (2024). Thermal, Dosimetric and Thermo-Mechanical Characterization of ABS and PLA polymer materials via Plastic Injection Molding for Innovative Bolus Materials in Radiotherapy applications. Radiation Physics and Chemistry, 111901.
dc.identifier.doi10.1016/j.radphyschem.2024.111901
dc.identifier.endpage12
dc.identifier.issn0969-806X
dc.identifier.issn1879-0895
dc.identifier.scopus2-s2.0-85195027283
dc.identifier.scopusqualityQ1
dc.identifier.startpage1
dc.identifier.urihttp://dx.doi.org/10.1016/j.radphyschem.2024.111901
dc.identifier.urihttps://hdl.handle.net/20.500.12713/6659
dc.identifier.volume223
dc.identifier.wosWOS:001251969300001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthorTekin, Hüseyin Ozan
dc.institutionauthoridHüseyin Ozan Tekin / 0000-0002-0997-3488
dc.language.isoen
dc.publisherPergamon-elsevier science LTD
dc.relation.ispartofRadiation Physics and Chemistry
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectABS
dc.subjectPLA
dc.subjectThermal Properties
dc.subjectRadiotherapy
dc.subjectRadiation Dosimetry
dc.titleThermal, dosimetric and thermo-mechanical characterization of ABS and PLA polymer materials via plastic injection molding for innovative bolus materials in radiotherapy applications
dc.typeArticle

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