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All Journal Journal of Malay Islamic Studies Jurnal Pendidikan IPA Indonesia Indonesian Journal Health Science and Medicine
Samsudin, Syakirah
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Religion Humanities Economics, Econometrics & Finance Education Health Professions Medicine & Pharmacology Public Health Social Sciences Veterinary

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The Effectiveness of Project-Based Learning Model with RAHMA Syntax to Improve Prospective Biology Teachers’ Critical Thinking Skills Darussyamsu, Rahmawati; Lufri, Lufri; Ahda, Yuni; Alberida, Heffi; Ambiyar, Ambiyar; Samsudin, Syakirah
Jurnal Pendidikan IPA Indonesia Vol. 13 No. 4 (2024): December 2024
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/xy8mr440

Abstract

This research aims to measure the effectiveness of the Project-Based Learning Model with RAHMA Syntax (PjBL-RAHMA) in improving prospective biology teachers’ critical thinking skills. RAHMA is an acronym for Recognizing Problems, Analyzing Problems, Handling Projects, Monitoring Progress, and Assessing Results. This research was quasi-experimental with a posttest-only control group design. This research involved 223 prospective biology teachers from three well-accredited public universities in Sumatra, Indonesia. Data from the critical thinking skills test results were analyzed using JASP software. Prospective biology teachers’ achievement of critical thinking skills after learning using the PjBL-RAHMA model showed that the experimental class was better than the control class. This research concludes that PjBL-RAHMA effectively improves prospective biology teachers’ critical thinking skills. This research also explains the contribution of each PjBL-RAHMA syntax in improving prospective biology teachers’ critical thinking skills. The PjBL-RAHMA syntax has increased prospective biology teachers’ ability to understand and analyze real-life problems, providing good reasons, logical thinking, and creating solutions to problems, especially in pedagogy.
Glutathione Transferase Response to Platinum Doped Titanium Dioxide in Aedes aegypti Pupae Al-Salih, Moatasem; Al-Salih , Moatasem; Samsudin, Syakirah; Misnan, Rosmilah bt
Indonesian Journal on Health Science and Medicine Vol. 2 No. 3 (2025): Desember
Publisher : Universitas Muhammadiyah Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21070/ijhsm.v2i3.302

Abstract

General Background: Aedes aegypti is a major vector of arboviruses, and increasing resistance to chemical insecticides demands novel control strategies. Specific Background: Photocatalytic nanoparticles such as Pt-doped TiO₂ generate reactive oxygen species under light, inducing oxidative injury in mosquitoes; however, the biochemical defense response, particularly glutathione S-transferase (GST), remains insufficiently understood at the pupal stage. Knowledge Gap: No study has simultaneously assessed lipid peroxidation and GST activity in Ae. aegypti pupae exposed to Pt-TiO₂ under different light conditions. Aims: This research examined malondialdehyde (MDA) levels and GST activity in pupae exposed to Pure TiO₂ and Pt-TiO₂ under light and dark conditions. Results: Light exposure significantly amplified oxidative stress and GST activity, with Pt-TiO₂ producing the highest MDA and strongest GST induction, while dark conditions showed no meaningful biochemical alterations. Novelty: The study provides the first integrated evidence linking enhanced photocatalytic ROS generation by Pt-TiO₂ to concurrent oxidative damage and compensatory antioxidant activation in pupae. Implications: These findings clarify the mechanism of Pt-TiO₂ toxicity and support its use as an efficient light-activated nano-insecticide for vector control.Highlight : Highlights the strong light-dependent oxidative stress induced by Pt-doped TiO₂ nanoparticles. Emphasizes GST upregulation as a key biochemical response to nanoparticle exposure. Shows that lipid peroxidation remains elevated despite antioxidant activation. Keywords : Aedes aegypti; Pt-doped TiO₂ nanoparticles; oxidative stress; glutathione S-transferase; malondialdehyde
Organic-Transactional Assimilation in a Multicultural Society: Ethnicity, Religion, and Economic Interaction in Kampung 10 Ulu, Indonesia Samiha, Yulia Tri; Samsudin, Syakirah; Turakhanovn, Abdullayeva Ulfatoy; Hussain, Mohammed
Journal of Malay Islamic Studies Vol. 9 No. 1 (2026): Journal of Malay Islamic Studies
Publisher : Universitas Islam Negeri Raden Fatah Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19109/jmis.v9i1.4460

Abstract

Kampung 10 Ulu in Palembang is a multi-ethnic settlement (Malay, Chinese, and Arab) where the community lives harmoniously despite cultural and religious differences. This study aims to analyze the influence of culture and the impact of ethnicity on religious, social, and economic life in the area. Qualitative methods with a naturalistic inquiry approach were used through observation, interviews, and documentation, accompanied by data reduction analysis, data presentation, and verification of findings. The results show that inter-ethnic tolerance is formed through strong interactions, such as the practice of Sanjo (silaturahmi) and cultural adaptations (for example, the Ruwah alms ritual adopted by the Chinese ethnic group). Economically, the strategic location on the banks of the Musi River and the trading habits of the Chinese ethnic group strengthen the trading activities of other communities. Cultural assimilation also occurs through inter-ethnic and inter-religious marriages that do not disrupt family harmony. The findings regarding the concept of 'organic-transactional assimilation' contribute to global multicultural sociology by demonstrating that economic interdependence and shared organic spaces can foster more resilient social integration than formal, top-down models of multiculturalism. The implications of this study confirm that ethnic diversity in Kampung 10 Ulu not only enriches local culture but also creates a model of tolerance and collaboration that can be replicated in other multi-ethnic communities. 
Co-Authors Al-Salih , Moatasem Al-Salih, Moatasem Ambiyar, Ambiyar Darussyamsu, Rahmawati Heffi Alberida Hussain, Mohammed Lufri Lufri Misnan, Rosmilah bt Turakhanovn, Abdullayeva Ulfatoy Yulia Tri Samiha Yuni Ahda