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All Journal AL KAUNIYAH Jurnal Talenta Sipil Jurnal Medika: Medika
Bestnissa, Nadya
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Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Dentistry Engineering Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Medicine & Pharmacology Nursing Public Health

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Isolation, Screening, and Characterization of Carbonatogenic Bacteria From Bukit Bulan Lime Soil as Alternative Biocement Agents for Self-Healing Concrete Cracks Kurniawan, Hafiz Muchti; Yulianto, Didik; Bestnissa, Nadya; Satria, Darma; Pratomo, Soni
Al-Kauniyah: Jurnal Biologi Vol. 19 No. 1 (2026): AL-KAUNIYAH JURNAL BIOLOGI
Publisher : Department of Biology, Faculty of Science and Technology, Syarif Hidayatullah State Islami

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/kauniyah.v19i1.43636

Abstract

Eight carbonatogenic bacterial isolates have been successfully isolated from the limestone soils of Bukit Bulan, Jambi Province, Indonesia. This research aims to obtain superior bacteria as biocement agents that can help the self-healing process of concrete cracks. The eight carbonatogenic bacteria are isolates coded BB1, BB2, BB3, BB4, BB5, BB6, BB7, and BB8. Qualitative screening revealed that all isolates were capable of forming calcium carbonate (CaCO₃) precipitation in the test medium. Quantitative tests revealed that all isolates were capable of producing precipitation of calcium carbonate (CaCO₃). CaCO₃ crystals produced by carbonatogenic bacteria exhibit properties of both calcite and vaterite phases, which can potentially enhance the strength of concrete structures. Seventy-five % of the isolates are gram-positive, and 25% are gram-negative. All isolates can produce the enzyme cytochrome oxidase C, which enhances the natural self-healing ability of bacteria in repairing concrete. All isolates can decompose urea, suggesting that they may contribute to the formation of CaCO₃ minerals. The motility test revealed that 50% of carbonatogenic bacteria are motile, which can enhance the efficiency in self-healing concrete. When applied to concrete mixtures, it is known that the carbonatogenic bacteria BB1, BB2, BB3, and BB4 can aid in repairing concrete cracks. The BB3 isolate can close concrete cracks faster than other isolates, indicating that it has the potential to be further developed as a biocement agent.
Gerakan Santri Peduli Lingkungan: Optimalisasi Pengelolaan Sampah di Pondok Pesantren As’ad Kota Jambi Setyarsih, Liani; Pratama, Septa; Bestnissa, Nadya
Jurnal Medika: Medika Vol. 4 No. 4 (2025)
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/6ejp3591

Abstract

Islamic boarding schools (pondok pesantren) as residential educational institutions are characterized by high population density and intensive collective activities, which result in a high volume of waste generation and environmental sanitation problems. These conditions contribute to various health issues, particularly skin diseases such as scabies, which are commonly found in boarding school environments with suboptimal hygiene and waste management. The eco-pesantren program is a strategic approach to improving awareness of health and environmental issues through 3R-based waste management, composting, and environmental education. This community service activity aimed to implement the eco-pesantren program at As’Ad Islamic Boarding School in Jambi City through assistance in waste management practices. The methods applied included a preparation stage involving problem mapping, followed by socialization on environmental health issues, training on waste segregation and processing, and stages of mentoring and evaluation. The results showed an increase in the knowledge and skills of administrators and students in separating organic and non-organic waste, as well as in producing economically valuable products from waste.
Identifikasi Sebaran Rumah Gadang Pada Perkampungan Adat Sijunjung, Nagari Padang Ranah Ariyati, Ariyati; Bestnissa, Nadya; Fuadi, Al Busyra
Jurnal Talenta Sipil Vol 9, No 1 (2026): Februari
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/talentasipil.v9i1.1144

Abstract

Vernacular architecture represents a form of design deeply rooted in the physical, material, and cultural context of its environment. This study explores the relationship between the architectural form of the Rumah Gadang and the geographical as well as cultural conditions of the Sijunjung Traditional Village, located in Nagari Padang Ranah. The main objective of this research is to identify the spatial distribution of Rumah Gadang, to analyze the correlation between tectonic aspects of the building and its site, and to uncover the underlying logic and abstract meaning behind the selection of materials, tools, and construction methods used by the local community. The research employs a qualitative approach through grounded theory, consisting of literature review, field observation, direct measurement, interviews with community leaders, and comparative architectural analysis. The findings reveal that there are 54 Rumah Gadang arranged linearly along the main circulation path rather than clustered by clan, deviating from the traditional spatial pattern of Minangkabau villages. This spatial arrangement indicates an adaptive response to the hilly topography and reflects a communal sense of togetherness among the residents. In conclusion, the architectural form of Rumah Gadang in Nagari Padang Ranah is not merely a cultural artifact but a manifestation of ecological awareness and social consciousness, representing the harmonious integration between people, place, and tradition within the framework of Minangkabau vernacular architecture.
Co-Authors Al Busyra Fuadi Ariyati, Ariyati Darma Satria Didik Yulianto Hafiz Muchti Kurniawan Setyarsih, Liani Soni Pratomo