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Journal : BULETIN FISIKA

Web-based Indigenous Village P Web-Based Traditional Village Population Administration System in Jimbaran Village, South Kuta, Badung Mahendra Sastra Adhi Wiguna Gede; Nur Fadhillah Muhamad; Trisanjaya Purba Ghaniel; Aldo Dzar Al-Ghifari; Yudisthira Arimbawa Saputra I Gusti Ngurah Agung; Dionicius Hadarian; I Putu Amara Setia Putra; Patriot Akbar; Taufikur Rohman; Pramuditya Adha Ra'afarudin; I Wayan Supardi; Ni Nyoman Rupiasih; Nyoman Wendri
BULETIN FISIKA Vol. 26 No. 2 (2025): BULETIN FISIKA
Publisher : Departement of Physics Faculty of Mathematics and Natural Sciences, and Institute of Research and Community Services Udayana University, Kampus Bukit Jimbaran Badung Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/BF.2025.v26.i02.p06

Abstract

The population administration in Jimbaran Traditional Village faces challenges of inefficiency and data inconsistency due to manual processes, especially in managing unique data structures such as NPK (Family Registration Number), NIKA (Traditional Community Registration Number), and Dadia. To address these issues, a web-based administrative information system was developed using the Prototyping method with the Laravel framework, MySQL database, and an interface built using Tailwind CSS and Alpine.js. The resulting system features key functionalities such as centralized master data management, dynamic input forms with automatic NPK and NIKA numbering, management of Traditional Family Card membership, and an integrated correspondence service module. The implementation results demonstrate that this application successfully serves as a functional solution for centralizing data, accelerating administrative services, and enhancing the accuracy of population data in accordance with the specific needs of the traditional village.
The Corrosive Properties Analysis of Biodegradable Magnesium Composites Mg-xCAp (x=0, 5%, 10%, and 15%) for Bone Implant Applications Bano, Ana; Rupiasih, Ni Nyoman; Setyadi, Iwan; Wibisono, Mirza; Suryadi, Suryadi; Jujur, I Nyoman
BULETIN FISIKA Vol. 27 No. 1 (2026): BULETIN FISIKA
Publisher : Departement of Physics Faculty of Mathematics and Natural Sciences, and Institute of Research and Community Services Udayana University, Kampus Bukit Jimbaran Badung Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/BF.2026.v27.i01.p08

Abstract

Magnesium (Mg) is a promising biodegradable material for bone implant applications due to its suitability of mechanical properties and biocompatibility with natural bone. However, its rapid degradation in physiological environments remains a major obstacle in clinical applications. The addition of carbonated apatite (CAp) as a bioactive reinforcing phase is expected to improve the corrosion resistance of Mg-based composites by forming a more stable surface layer. This study aims to evaluate the corrosion properties of Mg–xCAp composites with variations in CAp content of 0%, 5%, 10%, and 15%. Corrosion testing was carried out electrochemically in simulated body fluid (SBF) solutions using the Open Circuit Potential (OCP), Electrochemical Impedance Spectroscopy (EIS), and Tafel polarization methods. The OCP results showed a potential shift towards a more positive direction up to −1.87 V as the CAp fraction increased, indicating increased electrochemical stability. EIS analysis showed a progressive increase in charge transfer resistance (Rct), with the highest value of 309.8 Ω•cm² in the Mg–15CAp composite, indicating the formation of a more protective surface layer against aggressive ion penetration. Tafel polarization results confirmed a significant decrease in corrosion rate, with Mg–15CAp showing the lowest corrosion rate of 2.03 mm/year. Overall, the addition of CAp proved effective in controlling Mg degradation and improving the corrosion resistance of the composite, thus potentially expanding the application of Mg–CAp as a biodegradable bone implant material.
Co-Authors A. A. N. Surya Mahendra Putra A.A. Ngurah Gunawan Adnyana, I Gusti Agung Putra Adnyna, I. G. A. P Aldo Dzar Al-Ghifari Anastasia Victor, Agnes Maria Salvi Angelia Bella Kusumaningtyas Bano, Ana Decky Danuarta Fernanda Dewa Ayu Sukma Pranastia Dewa Ayu Sukma Pranastia Dewi Handayani Dionicius Hadarian Fahim Mamduh Gunawan, A. A. Ngurah Gusti Ngurah Sutapa Helena Idah Hery Suyanto I B Sujana Manuaba I G. A. Widagda I Gde Antha Kasmawan I Gusti Agung Ayu Ratnawati I Ketut Putra I Made Hendra Hadinata I Made Oka Guna Antara I Nengah Sandi I Nengah Sandi I Nengah Simpen I Nyoman Jujur I Putu Amara Setia Putra I Wayan Supardi I Wayan Supardi I. W. Sumarjaya I.B.S. Manuaba I.W. Sumarjaya Ida Ayu Putu Inten Gayatri Ida Bagus Alit Paramarta Ida Bagus Made Suryatika Ida Wisnu Sari Iwan Setyadi James Sibarani K N Suarbawa Komang Dharmawan Laura Laudensia Senly Jalut M. Joni Made Sumadiyasa Mahendra Sastra Adhi Wiguna Gede Maria Yulni Imas Maulida Nirwana Islami Ni Kadek Gita Hari Yanti Ni Kadek Gita Hari Yanti Ni Luh Yuni Pramita Utami Ni Made Rasmini Ni Nyoman Putri Windari Ni Wayan Eri Sandriani Ni Wayan Eri Sandriani Nur Fadhillah Muhamad Nyoman Wendri Nyoman Wendri Nyoman Wndri P. B. Vidyasagar P. Suardana Patriot Akbar Pramuditya Adha Ra'afarudin Pt Widyatmika Putu Erika Winasri Putu Ika Paramitha Putri R.A Restia Pranagari Ratih Wulandari Ria Yuliani Rosvita Hilbrida Sulastri S. S. Jagtap Septiana Ribka Purnomo Sinaga, Gerson Sukarasa, I Ketut Suryadi Suryadi Taufikur Rohman Trisanjaya Purba Ghaniel Umi Hariyani Wibisono, Mirza Widagda, I. G. A Wolfharditia Oktaviana Nita Yan Ramona Yohanes Sardjono Yosefa Yakunda Tandu Yudisthira Arimbawa Saputra I Gusti Ngurah Agung Yuliara, I Made Zoucella Andre Afani