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All Journal Saintia Biologi Elkawnie BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Belantara Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat EKSAKTA : Jurnal Penelitian dan Pembelajaran MIPA SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan KLOROFIL: Jurnal Ilmu Biologi dan Terapan IJOEP : International Journal of Ecophysiology KLOROFIL: Jurnal Ilmu Biologi dan Terapan Bioscientist : Jurnal Ilmiah Biologi The International Journal of Tropical Veterinary and Biomedical Research
Masitta Tanjung
Universitas Sumatera Utara
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Medicine & Pharmacology Nursing Physics Public Health Social Sciences Veterinary Other

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The Existence of Insects and Their Role on Rice (Oryza sativa L.) Agriculture in Medang Village, Batu Bara District, North Sumatra Hafizah Asby; Masitta Tanjung; Suci Rahayu
Jurnal Penelitian Pendidikan IPA Vol 11 No 3 (2025): March
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i3.10289

Abstract

Research on insect diversity on rice (Oryza sativa L.) agricultural land in Medang Lama Village, Medang Deras District, Batu Bara Regency was carried out in June-December 2024.The research aims to analyze insect species and the role of insects at different growth periods, namely the vegetative period (25-30), the generative period (55-50), and the maturation period (85-90) days after planting (DAP), The method for determining sampling points is carried out using the Purposive Sampling method, while sampling uses the Insecting Net, Visual Control, Hand Sorting and Light Trap methods. The research results showed that the insects obtained were 31 species, 24 families and 7 orders. The highest number of insects was found during the generative period, 173 individuals, 81 individuals during the vegetative period, and the lowest during the maturation period, 56 individuals. During the vegetative period, 10 pest species, 5 predator species and 1 pollinator species were found. During the generative period, 13 pest species, 10 predator species and 6 pollinator species were found. During the ripening period, 6 pest species, 5 predator species and 3 pollinator species were found. Pest insects are predominantly from the Hemiptera order, predatory insects are predominantly from the Coloptera order and pollinator insects are predominantly from the Hymenoptera order. Insect pests attack more often during the vegetative and generative periods than during the ripening period of rice plants.
Information Boards as Forest Conservation Campaign in Bahorok Research Center, Langkat Regency, North Sumatera Utara, Indonesia Kaniwa Berliani; Elimasni; Erni Jumilawaty; Kiki Nurtjahja; Hesti Wahyuningsih; Etti Sartina Siregar; Isnaini Nurwahyuni; Masitta Tanjung; Nunuk Priyani; Deny Supriharti; Julius Paolo Siregar
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 9 No. 2 (2024): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/abdimastalenta.v9i2.16643

Abstract

Yayasan Ekosistem Lestari (YEL) in Bahorok Research Station in Bahorok Sub-district, Langkat District, is a very important location for this work. The hilly terrain of the area provides a beautiful landscape and varied flora and fauna with the main attraction being the corpse flower (Amorphophallus sp). With a preserved natural environment and unique ecological features, this research station allows other parties to participate in protecting the area in various conservation campaign, one of which is the installation/establishment of conservation information boards. Conservation information boards can raise public awareness about the importance of protecting forests and their natural environment. Information on ecosystems, flora, fauna, management, and the importance of conservation can be conveyed through these information boards. Information boards are widely used as an educational tool for local communities and visitors to the forest at the research station. They can learn about forest ecology, the negative impacts of deforestation, and sustainable ways of utilizing forest resources. They can learn about forest ecology, the negative impacts of deforestation, and sustainable ways of utilizing forest resources. Information boards can also be used to invite community participation in conservation efforts, which is expected to improve the quality of knowledge and understanding of conservation areas for communities, researchers, and tourists. Therefore, the installation/establishment of conservation information boards needs to be carried out at Bahorok Research Station, Batu Katak as one of the campaign and solutions to maintain the natural conditions in the forest and river.
In Silico Evaluation of Antioxidant Potential of Adenostemma lavenia Leaf Compounds Against IL-6 in Pulmonary Sepsis Polem, Wardah Sawitri; Ilyas, Syafruddin; Tanjung, Masitta
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 3 (2025): September
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v13i3.16396

Abstract

This study aims to evaluate the antioxidant potential of bioactive compounds from Adenostemma lavenia in targeting interleukin-6 (IL-6) associated with pulmonary sepsis. Phytochemicals from Adenostemma lavenia leaves were identified using GC-MS, and ten bioactive compounds with potential antioxidant activity were selected. These compounds underwent further in silico evaluation, including drug-likeness screening, biological activity prediction, pharmacokinetic and toxicity analysis, and molecular docking against interleukin-6 (PDB ID: 8J6F). Among them, stigmasterol showed the highest docking score of –8.1 kcal/mol and a PASS prediction probability (Pa) of 0.867 for antioxidant activity. Half of them fully complied with drug-likeness criteria. Among these, D-Allose, 2,4-Di-tert-butylphenol, and Phytol demonstrated the highest predicted antioxidant activity. Toxicity evaluations revealed a generally safe profile, with minimal nephrotoxicity in two compounds. Notably, Phytol exhibited the closest similarity in binding residues to the native ligand of IL-6, suggesting a strong binding orientation and promising therapeutic value. The in silico findings highlight Phytol and other antioxidant-rich phytoconstituents of A. lavenia as promising agents targeting IL-6, supporting their potential use as adjunct therapies for oxidative stress-related conditions such as pulmonary sepsis. These results contribute to the scientific understanding of natural antioxidants in inflammation control and warrant further validation through in vitro and in vivo studies.
Identifikasi Bacillus thuringiensis Dari Tanah Kebun Kelapa Sawit Kabupaten Batubara Menggunakan Pewarnaan Coomassie Brilliant Blue (CBB) Siregar, Roza Ulfayanti; Suryanto, Dwi; Tanjung, Masitta
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 3 (2025): September
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v13i3.17632

Abstract

This study aims to simply identify Bacillus thuringiensis isolates from oil palm plantation soil in Batubara Regency through Coomassie Brilliant Blue (CBB) staining. Soil samples were isolated using a serial dilution method and then grown on selective media. The colonies formed were observed based on the morphological characteristics of Bt. The results of this study indicate that several isolates have morphological characteristics that match the characteristics of Bacillus thuringiensis. CBB staining successfully detected the presence of crystalline proteins in several isolates, characterized by the formation of crystals and the ability to bind blue dye in cells that have undergone sporulation, indicating the presence of delta-endotoxin. This study confirms that oil palm plantation soil in Batubara Regency has the potential as a source of local Bt isolates. The Bt isolates found can be used as initial candidates in the development of biopesticides while supporting environmentally friendly and sustainable pest control strategies.
Co-Authors Ameilia Zuliyanti Siregar Arida Susilowati Iswanto Ashfira Asmitra Sembiring Delvian Delvian Deny Supriharti DWI SURYANTO Elimasni EMITA SABRI Emita Sabri Emita Sabri Emita Sabri Erni Jumilawaty Etti Sartina Siregar Ferdian, Riyan Hafizah Asby Halimatussakdiah Halimatussakdiah Hesti Wahyuningsih Isnaini Nurwahyuni Julius Paolo Siregar Kaniwa Berliani KIKI NURTJAHJA M. Basyuni Mahdiyyah Ardhina Maya Murni Chanigo Mayang Sari Yeanny Melvariani Syari Batubara Muhammad Hasan Nelly Anna Netti Herlina NUNUK PRIYANI Nursal Nursal Nursal, Nursal Polem, Wardah Sawitri Rasyida Ulfa Ridwanti Batubara Siregar, Roza Ulfayanti Sister Sianturi Suci Rahayu Syafruddin Ilyas Tisna Harmawan Vivi Mardina