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Jurnal Biologi dan Pembelajarannya (JBP)
Published by Universitas Nusantara PGRI Kediri
ISSN : 24068659     EISSN : 27460959     DOI : https://doi.org/10.29407/
Core Subject : Health, Science, Education, Agriculture,
Agriculture, Biological Sciences & Forestry Education Health Professions Immunology & microbiology
Jurnal Biologi dan Pembelajarannya is a blind peer-review published by Research Institutions and Community Services, University of Nusantara PGRI Kediri and the media for researchers and lecturers who will publish the results of their research. The aim of the Journal is to facilitate scientific publication of the results of researches in Indonesia and participate to boost the quality and quantity of research for academics and researchers. Journal Biologi dan Pembelajarannya published twice a year in April and October with the scopes of the research areas that can be published in the Journal Biologi dan Pembelajarannya are : Biology Education, Action Research Class, Microbiology, Systematics and Taxonomy, Environmental science, Biology, Biodiversity, Ecology, Zoology, Botany.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 183 Documents
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Aktivitas Antibakteri Ekstrak Daun Angsana (Pterocarpus indicus) terhadap Staphylococcus aureus dan Salmonella typhimurium Kun Mardiwati Rahayu; Syaharani Latifah
Jurnal Biologi dan Pembelajarannya (JB&P) Vol 13 No 1 (2026): APRIL 2026
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jbp.v13i1.28604

Abstract

Bacterial infections caused by Staphylococcus aureus and Salmonella typhimurium remain a global health problem, particularly with increasing antibiotic resistance. This study aims to analyze the phytochemical profile and test the antibacterial activity of angsana (Pterocarpus indicus) leaf extract against these two bacteria. The study used an experimental method with a Completely Randomized Design (CRD) consisting of four extract concentrations (10%, 20%, 40%, and 80%), a positive control (chloramphenicol), and a negative control (DMSO), each with six replications. Antibacterial activity was tested using the Kirby-Bauer disc diffusion method, with the observation parameter being the diameter of the inhibition zone. The results showed that angsana leaf extract had concentration-dependent antibacterial activity against Staphylococcus aureus and Salmonella typhimurium, with the highest inhibition at 80% concentration of 19.69 mm and 19.24 mm, respectively (strong category). Comparatively, Salmonella typhimurium was more sensitive at medium concentrations, while Staphylococcus aureus showed a higher response at maximum concentrations. Although the extract's activity was still lower than chloramphenicol, these results demonstrate the potential of angsana leaf extract as a broad-spectrum antibacterial agent against both Gram-positive and Gram-negative bacteria. Therefore, angsana leaf extract has the potential to be developed as an alternative or complementary therapy in controlling bacterial infections, although further research is needed to optimize its effectiveness and further examine its mechanism of action.
Teknologi Imersif dalam Pembelajaran Biologi: Perbandingan Augmented Reality Assemblr Edu, Virtual Reality Shinnecon, dan BioDigital 3D Interaktif Berbantuan Smart TV terhadap Keterlibatan dan Respons Siswa rahmani, yulpa; Sukmawardani, Yulia; Sa’adah, Sumiyati
Jurnal Biologi dan Pembelajarannya (JB&P) Vol 13 No 1 (2026): APRIL 2026
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jbp.v13i1.28752

Abstract

Biology learning, particularly on human organ systems, requires concrete visualization to support meaningful conceptual understanding. The development of immersive technology offers new opportunities to enhance student engagement through interactive and multisensory learning experiences. This study aims to analyze and compare student engagement and responses toward the implementation of Augmented Reality Assemblr Edu, Virtual Reality Shinnecon, and BioDigital 3D interactive visualization assisted by Smart TV in biology learning. The research employed a descriptive comparative approach using a simple mixed-method design. Data were collected through observation sheets, student response questionnaires, and brief interviews. The findings indicate that immersive technology integration positively influences student engagement, with BioDigital 3D interactive visualization assisted by Smart TV demonstrating higher interactive involvement and positive responses compared to the other media. The study concludes that immersive technology provides meaningful learning experiences and supports active participation in biology classrooms.
Populasi Lichens Pada Tegakan Pohon Di Desa Kinangkong Kecamatan Laubaleng, Karo Sumatera Utara Ashar Hasairin; Br. Karo, Melisa Br. Karo; Adi Hartono
Jurnal Biologi dan Pembelajarannya (JB&P) Vol 13 No 1 (2026): APRIL 2026
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jbp.v13i1.27360

Abstract

Penelitian ini bertujuan untuk mengetahui keanekaragaman lichens pada tegakan pohon Kemiri (Aleurites moluccanus), Pohon Pinang (Areca cathecu) dan Pohon Kakao (Theobroma cacao) di Desa Kinangkong Kecamatan Laubaleng Kabupaten Karo, Sumatera Utara. Penelitian bersifat deskripstif dengan metode eksploraif dan inventarisasi pada tegakan pohon Kemiri (Aleurites moluccanus), pohon Pinang (Areca cathecu) dan pohon Kakao (Theobroma cacao). Teknik Purposive Sampling dengan menggunakan transek vertikal ke atas. Hasil penelitian menunjukkan bahwa pada pohon Kemiri (Aleurites moluccanus) ditemukan 11 jenis lichens dengan jumlah 91 spesies, pada pohon Pinang (Areca cathecu) ditemukan 10 jenis lichens dengan jumlah 51 spesies dan pada pohon Kakao (Theobroma cacao) ditemukan 9 jenis lichens dengan jumlah 54 spesies. Keanekaragaman lichens yang tinggi pada pohon Kemiri (Aleurites moluccanus) dengan indeks nilai penting (H′= 26,84) diikuti pada pohon Kakao (Theobroma cacao) dan pohon Pinang (Areca cathecu). Jumlah lichens dari ketiga pohon tersebut sebanyak 14 jenis dari 7 famili dengan 4 tipe talus (crustose, foliose, fructicose dan squamolose). Karakteristik habitat yang mendukung pertumbuhan dan perkembangan lichens pada lokasi penelitian berada pada suhu 27 0C – 29 0C, kelembaban 61% - 66%.

Page 19 of 19 | Total Record : 183

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