• Evaluation of noise values and homogenity of CT scan image results on head phantom after daily calibration 

  Samaliwu, Evelin Trivena; Illya, Gregoria (Department of Physics, Universitas Riau, 2025-07-31)

  Evaluation of CT scan image quality is a crucial aspect in ensuring accurate medical diagnosis. This research aims to evaluate noise values and image homogeneity of CT scans on a head phantom after daily calibration. ...
• Composition-Dependent Structural and Dynamical Properties of Mixed DPPC/DLPC Bilayers: An Atomistic Molecular Dynamics Study 

  Illya, Gregoria; Sutanto, Hadi (Department of Physics, Faculty of Science and Mathematics, Diponegoro University, 2026-08-31)

  Moderate chain-length mismatch in saturated lipid mixtures provides a useful model for understanding how structural perturbations influence membrane behavior. Here, all-atom molecular dynamics simulations were used ...
• Implementation of Community-Based Tourism As Sustainable Tourism Development Strategy on Pari Island, Seribu Islands 

  Simamora, Vera Inne Juni; Nando, Felix; Lawrence, Jennifer (2026)

  The achievement of long-term tourism sustainability requires active participation from local communities, particularly through Community-Based Tourism (CBT) implementation, which can generate benefits across economic, ...
• Unlocking Drug Delivery Potential: The Crucial Role of Liposome Mechanical Properties 

  Illya, Gregoria (Department of Physics, Faculty of Mathematics and Natural Sciences, Udayana University, 2026-03-21)

  The mechanical properties of liposomes play a critical role in determining their stability, drug release behavior, biodistribution, and interaction with biological barriers. These properties are primarily governed by lipid ...
• From cells to laminate: probing and modeling residual stress evolution in thin silicon photovoltaic modules using synchrotron X-ray micro-diffraction experiments and finite element simulations 

  Tippabhotla, Sasi Kumar; Radchenko, Ihor; Song, W.J.R.; Illya, Gregoria; Handara, Vincent; Kunz, Martin; Tamura, Nobumichi; Tay, Andrew A.O.; Budiman, Arief S (John Wiley and Sons Ltd, 2017-04-12)

  Fracture of silicon crystalline solar cells has recently been observed in increasing percentages especially in solar photovoltaic (PV) modules involving thinner silicon solar cells (<200 μm). Many failures due to fracture ...
• Synchrotron X-ray Micro-diffraction – Probing Stress State in Encapsulated Thin Silicon Solar Cells 

  Tippabhotla, Sasi Kumar; Radchenko, Ihor; Rengarajan, Karthic Narayanan; Illya, Gregoria; Handara, Vincent; Kunz, Martin; Tamura, Nobumichi; Budiman, Arief Suriadi (Elsevier Ltd, 2016-03-08)

  There has been a strong commercial push towards thinner silicon in the solar photovoltaic (PV) technologies due to the significant cost reduction associated with it. However, in current products made from crystalline solar ...
• Probing stress and fracture mechanism in encapsulated thin silicon solar cells by synchrotron X-ray microdiffraction 

  Handara, V.A.; Radchenko, I; Tippabhotla, S.K.; Narayanan, Karthic. R.; Illya, G; Kunz, M; Tamura, N; Budiman, A.S. (Elsevier B.V., 2017-01-24)

  Thin (<150 µm) silicon solar cell technology is attractive due to the significant cost reduction associated with it. Consequently, fracture mechanisms in the thin silicon solar cells during soldering and lamination need ...
• Studi Perbandingan Sifat Mekanik Serat Bambu 

  Illya, Gregoria; Bali, Ika (Lembaga Penelitian dan Pengabdian Masyarakat, Universitas Tarumanagara, 2021-10-30)

  Indonesia kaya akan tanaman yang dapat diambil seratnya untuk diolah menjadi produk yang bermanfaat. Di antara tanaman penghasil serat alami, bambu adalah yang paling populer, karena memiliki aplikasi yang serba guna, ...
• Penggunaan Shielding untuk Mereduksi Dosis Radiasi Lensa Mata pada Pemeriksaan CT-Scan Kepala Menggunakan Phantom 

  Kurniasih, Novita; Illya, Gregoria (Jurusan Fisika, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Makassar, 2024-12-01)

  Pada pemeriksaan CT-Scan kepala pada pasien, diperlukan pelindung untuk mereduksi dosis radisi pada lensa mata. Penelitian ini bertujuan untuk melihat pengaruh penggunaan pelindung berbahan karet, tembaga dan bismuth untuk ...
• Penggunaan Shielding untuk Mereduksi Dosis Radiasi Kelenjar Tiroid Melalui Pemeriksaan CT Scan pada Phantom Leher 

  Abigael, Samantha; Illya, Gregoria (Jurusan Fisika, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Makassar, 2026-04-30)

  Penelitian ini dilakukan untuk mengevaluasi efektivitas penggunaan pelindung radiasi dalam menurunkan dosis serap pada organ tiroid selama prosedur CT-Scan, yang merupakan salah satu modalitas pencitraan dengan ...
• Mechanical Studies of Solar Photovoltaics (PV) Backsheets Under Salt Damp Heat Environments 

  Illya, G; Handara, V; Siahandan, M; Nathania, A; Budiman, A.S. (Elsevier Ltd, 2018-07-05)

  Solar Photovoltaics (PV) technology actually makes the most sense in tropical regions where the sunlight intensity is maximum. The environmental conditions in tropical countries makes the photovoltaics components vulnerable ...
• Low Stress Encapsulants? Influence of Encapsulation Materials on Stress and Fracture of Thin Silicon Solar Cells as Revealed by Synchrotron X-ray Submicron Diffraction 

  Rengarajan, Karthic Narayanan; Radchenko, Ihor; Illya, Gregoria; Handara, Vincent; Kunz, Martin; Tamura, Nobumichi; Budiman, Arief Suriadi (Elsevier Ltd, 2016-03-08)

  We study the effect of two polymer encapsulations with different material properties such as Young's modulus (E), yield strength etc. on the residual stress of mono-crystalline silicon. We observe through synchrotron X-ray ...
• Impact-Resistant and Tough 3D Helicoidally Architected Polymer Composites Enabling Next-Generation Lightweight Silicon Photovoltaics Module Design and Technology 

  Budiman, Arief Suriadi; Sahay, Rahul; Agarwal, Komal; Illya, Gregoria; Widjaja, Ryo Geoffrey; Baji, Avinash; Raghavan, Nagarajan (Multidisciplinary Digital Publishing Institute (MDPI), 2021-09-28)

  Lightweight photovoltaics (PV) modules are important for certain segments of the renewable energy markets—such as exhibition halls, factories, supermarkets, farms, etc. However, lightweight silicon-based PV modules have ...
• Fracture Mechanics and Testing of Interface Adhesion Strength in Multilayered Structures – Application in Advanced Solar PV Materials and Technology 

  Shivakumar, Ranjana; Tippabhotla, Sasi Kumar; Handara, Vincent Adhi; Illya, Gregoria; Tay, Andrew A.O.; Novoa, Fernando; Dauskardt, Reinhold H.; Budiman, Arief Suriadi (Elsevier Ltd, 2016-03-08)

  Quantitative characterization techniques based on fracture mechanics were proposed and used to examine the interface strength in multilayered structures. Novel in situ micro-fracture testing for nanolayers inside a ...
• Evaluasi Pengaruh Penggunaan Bolus terhadap Nilai Homogeneity Index, Conformity Index, dan Mean Dose OAR pada TPS IMRT untuk Pasien Post-Masectomy Kanker Payudara 

  Aulia, Zahra; Illya, Gregoria (Lembaga Penelitian dan Pengabdian Masyarakat Universitas Pahlawan Tuanku Tambusai, 2024-06-26)

  Kanker payudara merupakan salah satu jenis kanker dengan angka kasus terbanyak yang menyerang wanita di seluruh dunia. Kanker payudara juga merupakan salah satu penyebab utama kematian akibat kanker pada wanita. Kanker ...
• Evaluasi Dosis Foton pada Pasien Kanker Rektum dengan Teknik 3DCRT dan IMRT 

  Novinda, Gabriella; Illya, Gregoria (Program Studi Pendidikan Fisika FKIP Universitas Muslim Maros, 2024-06-29)

  Rectal cancer is one of the deadliest cancers in Indonesia. Treatment of rectal cancer is often done with radiotherapy. External radiotherapy of rectal cancer uses linac which has several methods of irradiation. This study ...
• Enabling lightweight polycarbonate-polycarbonate (PC-PC) photovoltaics module technology – Enhancing integration of silicon solar cells into aesthetic design for greener building and urban structures 

  Budiman, A.S.; Illya, G; Anbazhagan, S; Tippabhotla, S.K.; Song, W.J.; Sahay, R; Tay, A.A.O. (Elsevier Ltd, 2022-02-26)

  Light weight photovoltaic (PV) modules have advantages both to reduce costs of PV installations as well as to enhance their further integration with building and other urban structures such as roofs of public parking areas ...
• Enabling curvable silicon photovoltaics technology using polycarbonate-sandwiched laminate design 

  Budiman, A.S.; Anbazhagan, S; Illya, G; Sahay, R; Tippabhotla, S.K.; Tay, A.A.O. (Elsevier Ltd, 2021-04-10)

  Cracks in brittle silicon solar cells (wafers) are a major concern in the solar photovoltaics (PV) industry. Because of the slicing of the wafers from large ingots and further stressing during subsequent operations such ...
• Determination of Diagnostic Reference Levels for General Radiography in Thorax, Abdomen, and Lumbar Spine Examinations at XYZ Hospital Using Tube Output Measurment 

  Handoko, Evan Fernando; Illya, Gregoria (Springer Nature Singapore, 2025-03-16)

  The use of X-rays can provide benefits as well as negative effects for patients. To maximize the benefits of X-rays, the negative effects of radiation should be minimized. Alternative way to minimize radiation effects is ...
• Determination of Diagnostic Reference Level (DRL) CT-Scan Modality Types of Head, Abdomen and Thorax Examination in X Hospital 

  Paat, Agustinus Roland; Illya, Gregoria (Springer Nature Singapore, 2025-03-16)

  Diagnostic Reference Level (DRL) is needed as an effort for dose optimization on aircraft modalities that use radiation. One modality that has a high radiation dose is CT-scan. CT-scan has a high dose compared to other ...

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