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All Journal Tadris: Jurnal keguruan dan Ilmu Tarbiyah Communications in Science and Technology
Santria, Anas
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Education Engineering

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Using Virtual Reality as Learning Tools on Chemistry: Advantages and Challenges Sari, Indah; Sinaga, Parlindungan; Hernani, Hernani; Mudzakir, Ahmad; Santria, Anas
Tadris: Jurnal Keguruan dan Ilmu Tarbiyah Vol 8 No 1 (2023): Tadris: Jurnal Keguruan dan Ilmu Tarbiyah
Publisher : Universitas Islam Negeri Raden Intan Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/tadris.v8i1.14593

Abstract

This research aims to elucidate the potential benefits and inherent challenges of employing Virtual Reality (VR) technology as an instructional tool in contemporary educational settings. With an emphasis on understanding teachers' perceptions, the study investigates the difficulties faced during traditional oral teaching and the potential advantages that VR-based pedagogy may bring to the educational environment. The participants of this empirical investigation included 20 educators (11 males and 9 females), who provided their insight on a set of 15 questions specifically designed and later analyzed via Rasch measurement. The Rasch model's assessment provided comprehensive insight into the teaching difficulties experienced by educators and the potential benefits accrued from the application of VR as a teaching aid. The findings indicate that the majority of educators face challenges while instructing through oral methodologies without appropriate pedagogical tools. Conversely, the integration of VR in teaching methods was found to foster students' knowledge acquisition, comprehension, and application in novel situations, augmenting their analytical and evaluative capabilities. VR application was also found to bolster student engagement, motivation, and attention in the learning process. However, despite these promising findings, several obstacles were identified, most notably the cost of VR technology and the requisite technical skills needed for its implementation by educators. The results of this study bear significant implications for future research, particularly as a teaching tool in chemistry. It also prompts a discussion on educators' capacity-building to seamlessly integrate VR technology into existing teaching methodologies.
Formation and stability investigation of meso-hydroxy diacyl-dipyrromethane Ferryansyah, Mohammad Akbar; Santria, Anas; Ishikawa, Naoto; Firmansyah, Dikhi
Communications in Science and Technology Vol 10 No 1 (2025)
Publisher : Komunitas Ilmuwan dan Profesional Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21924/cst.10.1.2025.1593

Abstract

The oxidation of dipyrromethane by 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) generally produces dipyrrin, but in the presence of trace water, a meso-hydroxy dipyrromethane can be formed. To investigate this unusual product, we then studied meso-hydroxy bis(p-anisoyl)-p-fluorophenyl dipyrromethane (3) obtained from the oxidation of bis(p-anisoyl)-p-fluorophenyl dipyrromethane (2). Spectroscopic studies (1H-NMR, UV-Vis, and fluorescence), mass spectrometry, and computational analyses were performed to investigate this mechanism. Zinc complexation of compound 3 altered the 1H-NMR spectrum and shifted the absorption peak from 325 nm to 567 nm with “turn-on” fluorescence. Thermochemical studies have indicated that the formation of meso-hydroxy requires energy higher than dipyrrin. This study suggests that the electronic properties of meso-aryl and acyl groups are the key factors for the nucleophilic attack of water on cationic dipyrromethane intermediate. These results further improve the understanding of dipyrromethane oxidation pathways, which is crucial for the design and synthesis of dipyrrin-chemosensors.
Co-Authors Ahmad Aminudin Ferryansyah, Mohammad Akbar Firmansyah, Dikhi HERNANI - Ishikawa, Naoto Mochammad Imron Awalludin Parlindungan Sinaga