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All Journal JFA (Jurnal Fisika dan Aplikasinya)
Agus Rubiyanto Agus Rubiyanto
Department of Physics, Institut Teknologi Sepuluh Nopember, Kampus ITS-Sukolilo Surabaya
Physics

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Assessment of 3D-Printed Bolus for Post-Mastectomy Breast Cancer Radiation Therapy: Urifa Nabihal Aini, Hayfa Annisa, Diska Maharani, Aditya Prayugo Hariyanto, Agus Rubiyanto, Nasori Nasori, Aloysious Mario, Endarko Endarko Urifa Nabihal Aini Urifa Nabihal Aini; Hayfa Annisa Hayfa Annisa; Diska Maharani Diska Maharani; Aditya Prayugo Hariyanto Aditya Prayugo Hariyanto; Agus Rubiyanto Agus Rubiyanto; Nasori Nasori; Aloysious Mario Aloysious Mario; Endarko Endarko
Jurnal Fisika dan Aplikasinya Vol 20 No 2 (2024): June 2024 Edition
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat, LPPM-ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j24604682.v20i2.20671

Abstract

The fabricated 3D-printed bolus with 5 mm thick PLA and TPU materials was successfully used to analyze the air gap, relative electron density ( RED), and mass attenuation coefficient values for Post-Mastectomy Breast Cancer Radiation Therapy (PMRT). The 3D bolus was designed using 3D-Slicer Segment Editor software according to the thickness used, then smoothed and finished using Autodesk Meshmixer software, and printed on a 3D Creality printer. The air gap value was then analyzed by taking images from the phantom and 3D-printed bolus on a CT-Scan, then processed on Radiant DICOM, and the air gap value for the two 3D bolus materials was obtained. Analysis of two 3D bolus materials, PLA and TPU, showed that TPU is more suitable for bolus use in postmastectomy breast cancer cases based on its material properties. In addition, TPU is also better in terms of the air gap value because it has a smaller air gap, an RED value that is almost close to that of breast tissue, and better mass attenuation. Therefore, the recommended 3D-printed bolus material is TPU with a thickness of 5 mm as a tissue substitute for postmastectomy breast cancer cases.
Pengaruh Ketebalan Lapisan TiO2 terhadap Performasi Dye Sensitized Solar Cells: Nurrisma Puspitasari, Nurul Amalia Silviyanti, Gatut Yudoyono, Gontjang Prajitno, Agus Rubiyanto, Endarko Nurrisma Puspitasari Nurrisma Puspitasari; Nurul Amalia Silviyanti Nurul Amalia Silviyanti; Gatut Yudoyono Gatut Yudoyono; Gontjang Prajitno Gontjang Prajitno; Agus Rubiyanto Agus Rubiyanto; Endarko Endarko
Jurnal Fisika dan Aplikasinya Vol 14 No 1 (2018): January 2018 Edition
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat, LPPM-ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j24604682.v14i1.3553

Abstract

Dye Sensitized Solar Cell (DSSC) is the third generation of solar cells. DSSC is formed by sandwich structure, there are five parts: ITO glass (Indium Tin Oxide) as substrate; TiO2 as semiconductor material; dye (chlorophyll-turmeric-mangosteen) as an electron donor; gel electrolyte as electron transfer and active carbon as a catalyst in the counter electrode. The synthesis of nanometer-sized TiO2 powder is obtained by coprecipitation method. From the research that has been done, the efficiency of DSSC with 10 µm TiO2 layer thickness bigger than 20 µm and 30 µm layer thickness. The DSSC efficiency result is 0.25% for 10 µm TiO2 layer thickness , 0.143% for 20 µm TiO2 layer thickness, and 0.195% for 30 µm TiO2 layer thickness.
Pengaruh Jenis Katalis pada Elektroda Pembanding terhadap Efisiensi Dye Sensitized Solar Cells dengan Klorofil sebagai Dye Sensitizer: Nurrisma Puspitasari, Siti Rabiatul Adawiyah, Muhammad Noer Fajar, Gatut Yudoyono, Agus Rubiyanto, Endarko Nurrisma Puspitasari Nurrisma Puspitasari; Siti Rabiatul Adawiyah Siti Rabiatul Adawiyah; Muhammad Noer Fajar Muhammad Noer Fajar; Gatut Yudoyono Gatut Yudoyono; Agus Rubiyanto Agus Rubiyanto; Endarko Endarko
Jurnal Fisika dan Aplikasinya Vol 13 No 1 (2017): January 2017 Edition
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat, LPPM-ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j24604682.v13i1.2150

Abstract

Dye-sensitized Solar Cell (DSSC) is a dye sensitized solar cells are formed by a sandwich structure where there are five parts include: glass ITO (Indium Tin Oxide) as a substrate; TiO2 as a semiconductor material; chlorophyll dye as an electron donor; electrolyte as electron transfer. Nanometer-sized TiO2 powder obtained through synthesis by coprecipitation method. Measurements were taken at the power of 100 mW/cm2. The results of the efficiency of DSSC using active carbon as a catalyst in the reference electrode, produces a larger percentage than black carbon and graphite, which is of 0.05% for active carbon, black carbon to 0.032%, 0.029% for graphite.
Co-Authors Aditya Prayugo Hariyanto Aditya Prayugo Hariyanto Aloysious Mario Aloysious Mario Diska Maharani Diska Maharani Endarko Endarko Gatut Yudoyono Gatut Yudoyono Gontjang Prajitno Gontjang Prajitno Hayfa Annisa Hayfa Annisa Muhammad Noer Fajar Muhammad Noer Fajar Nasori Nasori Nurrisma Puspitasari Nurrisma Puspitasari Nurul Amalia Silviyanti Nurul Amalia Silviyanti Siti Rabiatul Adawiyah Siti Rabiatul Adawiyah Urifa Nabihal Aini Urifa Nabihal Aini