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Pinisi: Physics Journal
Published by Universitas Negeri Makassar
ISSN : -     EISSN : 3109094X     DOI : -
Core Subject : Science,
Earth & Planetary Sciences Energy Materials Science & Nanotechnology Physics
Pinisi Physics Journal (PPJ) is a peer-reviewed scientific journal that welcomes high-quality manuscripts focusing on the advancement and application of physics in various fields.
Arjuna Subject : Fisika dan Astronomi - Fisika dan Astronomi (Lain-Lain)
Articles 14 Documents
 1   2 
Physical and Optical Behavior of Turmeric in Aqueous Media: A Literature Review Said, Sukmawati
Pinisi: Physics Journal Vol. 1 No. 2 (2025): Pinisi: Physics Journal
Publisher : Physics Department, Faculty of Mathematics and Natural Sciences, Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/ppj.v1i2.10747

Abstract

The phenomenon of mixing turmeric in water is widely used as a simple science experiment to introduce basic concepts of physics and chemistry. However, the physical behavior of curcumin—the primary pigment in turmeric—is complex and influenced by various physical principles, including diffusion, optics, thermodynamics, and molecular dynamics. This literature review aims to synthesize and analyze scientific findings related to turmeric–water interactions from the perspective of fundamental physics. By reviewing national and international research articles, this study identifies the diffusion mechanism of curcumin as described by Fick’s Law, its optical properties responsible for light absorption and color appearance, and the physical factors—such as temperature, pH, and light exposure—that affect curcumin stability in aqueous media. Additionally, the review highlights the roles of Brownian motion and solute–solvent molecular interactions in explaining the microscopic behavior of curcumin particles. The findings indicate that the “turmeric in water” phenomenon is not merely a simple mixing process but involves complex physical dynamics suitable for use as phenomenon-based learning material in science education. This study provides a strong theoretical foundation for the development of educational experiments and opens avenues for future research on the physical characteristics of natural pigments.
Study of the Relationship between Radiocarbon Dating (¹⁴C Isotope) and Dendrochronology: Applications of Nuclear Physics in Archaeology Sari, Insira Nayla; Putri, A. Surtika; Lidasti, Atiqah; W, Theresia Lasri Da Costa; Yulia, Reski; Nurhayati, Nurhayati; Resky Irfanita
Pinisi: Physics Journal Vol. 1 No. 2 (2025): Pinisi: Physics Journal
Publisher : Physics Department, Faculty of Mathematics and Natural Sciences, Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/ppj.v1i2.10761

Abstract

This article presents the results of an in-depth literature review on radiocarbon dating, tracing its development from the earliest stages. Particular emphasis is placed on the role of carbon-14 (¹⁴C) in determining the age of materials and on how dendrochronological calibration can enhance accuracy. The discussion also focuses on the decay of carbon-14 isotopes and their half-life, the methods and principles underlying radiocarbon dating, dendrochronological calibration, and other applications of radiocarbon dating in age determination. In conclusion, the article highlights the significant contributions of radiocarbon dating and dendrochronology in addressing critical challenges in archaeological research, thereby enabling scholars to gain a deeper understanding of natural history and human culture.
APLIKASI FISIKA NUKLIR PADA POSITRON EMISSION TOPOGRAPHY DALAM DIAGNOSIS MEDIS Rezki, Nazhifah; Ulfayani, Adilah; Ramadhani, Aisyah; Syam, Muthmainnah; Fadhillah, Izzatul; Nurhayati, Nurhayati; Ansar, Asnaeni
Pinisi: Physics Journal Vol. 1 No. 2 (2025): Pinisi: Physics Journal
Publisher : Physics Department, Faculty of Mathematics and Natural Sciences, Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/ppj.v1i2.10791

Abstract

Nuclear physics is the study of atomic nuclei and the particles and phenomena associated with them. It plays a vital role in technology, particularly in the medical field. One medical device that applies the principles of nuclear physics is Positron Emission Tomography (PET), an imaging technology used effectively for diagnosing various diseases. The purpose of this article is to examine the use of nuclear physics in PET for medical diagnosis, including a review of the nuclear-physics mechanisms behind PET itself. This article highlights the importance of a thorough understanding of nuclear physics in medical diagnostics.
Material Pelindung Radiasi Ramah Lingkungan: Tinjauan Komprehensif Material Alternatif Pengganti Timbal untuk Aplikasi Proteksi Radiasi Nurhasmi, Nurhasmi
Pinisi: Physics Journal Vol. 1 No. 2 (2025): Pinisi: Physics Journal
Publisher : Physics Department, Faculty of Mathematics and Natural Sciences, Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35580/ppj.v1i2.10794

Abstract

The use of lead-based radiation shielding materials continues to face increasing rejection due to their toxicity, substantial weight, and incompatibility with sustainability principles. Recent research has driven the development of safer and lighter alternative materials that provide radiation attenuation effectiveness comparable to, or even surpassing, that of lead. This review article summarizes advancements in geopolymers, environmentally friendly heavy concrete, and polymer composites enriched with heavy metals as lead-free radiation shielding materials. Lattice vibration interactions, particularly optical phonons, are also discussed due to their growing relevance in enhancing photon-energy absorption in polymer composites. This review is intended to provide a comprehensive overview of emerging trends, underlying mechanisms, and the implementation potential of next-generation alternative radiation shielding materials

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