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All Journal Jurnal Fisika Unand Journal of Natural Sciences and Mathematics Research Jurnal Profesi Medika: Jurnal Kedokteran dan Kesehatan Jurnal Kesehatan Komunitas JURNAL ILMIAH INFORMATIKA Jurdimas (Jurnal Pengabdian Kepada Masyarakat) Royal Jurnal Hilirisasi IPTEKS (JHI) Jurnal Teori dan Aplikasi Fisika Journal of Education Informatic Technology and Science BERNAS: Jurnal Pengabdian Kepada Masyarakat Warta Pengabdian Andalas: Jurnal Ilmiah Pengembangan Dan Penerapan Ipteks Jurnal Puan Indonesia Indonesian Journal of Community Empowerment and Service
Adrial, Rico
Departemen Fisika, Universitas Andalas
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Karakterisasi Bolus Berbahan Campuran Beeswax dan Petroleum Jelly Menggunakan Berkas Elektron Pada Energi 6 MeV dan 9 MeV Rico Adrial; Desy Yulia Ningsih; Zhafirah Putri Fadhilah; Afdhal Muttaqin
Jurnal Teori dan Aplikasi Fisika Vol. 12 No. 1 (2024): Jurnal Teori dan Aplikasi Fisika
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtaf.v12i1.341

Abstract

In radiotherapy cases of cancer on the surface of the skin generally use electron beams. The electron beam has not been able to provide the optimum surface radiation dose. Therefore, a material that is able to increase the dose of surface radiation is needed, which is called a bolus. This study tested a bolus made from a mixture of beeswax and petroleum jelly. The bolus test includes the determination of density, the value of Relative Electron Density (RED) and the determination of the absorbed dose. The absorbed dose value was obtained by irradiating using a Linear Accelerator (LINAC) at 6 MeV and 9 MeV energies. The RED value was obtained from the bolus tomography image using a CT-simulator by determining the Region of Interest (ROI). The bolus density values obtained from physical measurements using the TPS program have almost the same average density values. The RED bolus value obtained at a thickness of 0.2 cm to 0.8 cm has a lower RED value than the RED value of the breast, which is 0.976. However, at 1.0 cm thickness, the RED value is equivalent to breast tissue. The value of the absorbed dose in a bolus made from a mixture of beeswax and petroleum jelly, the thicker the bolus used, the smaller the increase in the absorbed dose. The results of this study indicate that a bolus made from a mixture of beeswax and petroleum jelly can be the choice of bolus material during radiotherapy.
Evaluasi Kinerja LINAC Clinac CX Menggunakan Parameter PDD dan Profile Dose pada Lapangan Radiasi Simetri dan Asimetri di Rumah Sakit Universitas Andalas Zahara, Susi; Adrial, Rico; Milvita, Dian; Diyona, Fiqi
Jurnal Fisika Unand Vol 15 No 2 (2026)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.15.2.229-235.2026

Abstract

This study aims to obtain Quality Control information on the quality of the photon beam and radiation field used for the maximum depth value (Zmak) from the results of Percentage Depth Dose measurements as well as the symmetry and flatness values ​​from the results of profile dose measurements using symmetric and asymmetric radiation fields of (10x10) cm2 and (15x15) cm2 with AAPM TG-40 standards. The results of Quality Control carried out on the LINAC show that the greater the photon beam energy and the area of ​​the field given, the greater the maximum depth value (Zmak) obtained. In the profile dose measurement, the largest symmetry value was obtained in the 1 cm offset section of 2.8% for 6 MV energy using the (10x10) cm2 field and the largest flatness value in the 3 cm off-set section of 1.9% while for 10 MV energy the largest symmetry value in the 3 cm off-set section was 4.3% and the largest flatness value in the 1 cm off-set section was 2.3%. In the field area (15x15) cm2, the largest symmetry values ​​of 6 MV and 10 MV energy were obtained at the 3 cm off-set section of 3.7% and 4.3%, and the largest flatness values ​​of 6 MV and 10 MV energy were found at the 3 cm off-set section of 2.3% and 2.1%. Therefore, the symmetry and asymmetry fields (1 cm off-set) on the LINAC are reliable enough to be used in cancer therapy treatment.
Co-Authors A. Fadhil Desafa Afdal Afdal Afdal Afdal Afdal Afdal, Afdal Afdhal Muttaqin Ahmad Fauzi Pohan Alhafiz, Mohammad Randy Alimin Mahyudin Amatulhaq, Seruni Amel Oktavia S Amel Oktavia S Annisa Destri Ramadiah Arif Budiman Astuti Astuti Baehaqi Betta Centaury Dahyunir Dahlan Damayanti, Elok Deddy Irawan Permana Putra Deddy Irawan Permana Putra, Deddy Irawan Permana Dedi Mardiansyah Delvira Syafna Desy Yulia Ningsih Dian Fitriyani Dian Fitriyani Dian Milvita Dwi Pujiastuti Dwi Pujiastuti Dwi Puryanti Elistia Liza Namigo, Elistia Elvaswer Elvira, Rahmah Fadhilah, Zhafirah Putri Fafi Rahmah Fani Anjelina Feriska Handayani Feriska Handayani Irka, Feriska Handayani Fiqi Diyona Fiqi Diyona Fiqi Diyona Fiqi Diyona Fiqi Diyona, Fiqi Geby Sri Ayu Oktavia Haldis Alvaro Hamzah Arman Husni Hanifa Shafira Harmadi Harmadi Hasnel Sofyan Hasnel Sofyan Heru Prasetio Husni, Hamzah Arman Husni, Mutiatul Imam Taufiq Imam Taufiq Indria Wulandari Intan Pratiwi Riani Laelatul Munawaroh M. Ali Shafii Magfirah, Magfirah Marzuki Marzuki Meqorry Yusfi Mohamad Nur Yahya Mohamad Nur Yahya Mohammad Ali Shafii Muhammad Ilyas Muhammad Ilyas Muhammad Ilyas Muhammad Ilyas Muhammad Ilyas Muhammad Ivana Harika Putra Muldarisnur, Mulda Murdahayu Makmur Murdahayu Makmur Mutiatul Husni Mutya Vonnisa Naela Amalia Zulfa Nasution, Rihadatul Aisy Syofyani Nia Ekawati Niken Pramita Ningsih, Desy Yulia Nini Firmawati Nisa Oktania, Nisa Nurul Annisa Nurwijayanti Oktavia S, Amel Oktavia, Amel Olly Norita Tetra Papesta, Winny Rahmadani Pramita, Niken Priasetyono, Yogi Putra, Muhammad Ivana Harika Rahmah Elvira Rahmah, Fafi Ramacos Fardela Ramadiah, Annisa Destri Riani, Intan Pratiwi S, Amel Oktavia Salim Muhaimin Seruni Amatulhaq Shafira, Hanifa Solly Aryza Sri Handani Sri Oktamuliani Sri Wulandari Sri Wulandari Sumarti, Heni Syafna, Delvira Syarifatul Ulya Trengginas Eka Putra Trengginas Eka Putra Sutantyo Uhty Maesyaroh Ulya, Syarifatul Usna, Sri Rahayu Alfitri Valimtino Valimtino Valimtino, Valimtino Wildian Wildian Winny Rahmadani Papesta WULANDARI, INDRIA Yogi Priasetyono Yulma Susanto, Riyan Zahara, Susi Zhafirah Putri Fadhilah Zhafirah Putri Fadhilah Zozy Aneloi Noli Zulfa, Naela Amalia Zulfi Zulfi Zulfi Zulfi Zulfi Zulfi