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All Journal Buletin Dharmas Andalas Biodiversitas Journal of Biological Diversity
Arthauly Yopita Sinurat
Program Studi Biologi, Fakultas Matematika Dan Ilmu Pengetahuan Alam, Universitas Andalas, Padang
Religion Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Electrical & Electronics Engineering Library & Information Science

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Implementasi Praktikum Biologi Berbasis Teknologi untuk Peningkatan Kompetensi Siswa dan Guru di SMU N 15 Padang Rita Maliza; Muhammad Idris; Ashrifurrahman Ashrifurrahman; Arthauly Yopita Sinurat; M.Nazri Janra; Nofrita Nofrita; Muhammad Syukri Fadil; Robby Jannatan; Mansyurdin Mansyurdin; Wilson Novarino; Kurniadi Ilham; Putra Santoso; Henny Herwina; Bramadi Arya; Tasya Putri Pratama Elisa; Reziq Marchellino Irwan
Buletin Dharmas Andalas Vol. 3 No. 1 (2026): Buletin Dharmas Andalas
Publisher : Departemen Budidaya Tanaman Perkebunan, Fakultas Pertanian, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/bda.v3i1.60

Abstract

This community service activity was conducted on October 27, 2025, at SMA Negeri 15 Padang, with the aim of enhancing the competencies of teachers and students in biotechnology through the integration of modern technology as part of the digital transformation of education. The methods employed included direct training and mentoring, supported by a guidebook entitled “Basic Biology and Biotechnology: From Microscope to DNA.” The activity was organized into several thematic groups, namely plant and animal tissue histology, animal anatomy, plant culture, and DNA isolation. The results demonstrated a significant improvement in participants’ abilities to operate basic biotechnology tools, understand applied biotechnology concepts, and develop innovative practicum activities aligned with the Merdeka Curriculum. In addition, this activity strengthened collaboration among schools, universities, and media in disseminating science learning innovations. In conclusion, the implementation of technology-based biology practicum is effective in improving participants’ competencies and scientific literacy and has strong potential for sustainable development through continued mentoring and the development of digital modules.
Antibacterial activity and compound identification of Eurya acuminata leaf fractions against bacteria-causing skin infections FESKAHARNY ALAMSJAH; ANTHONI AGUSTIEN; ARTHAULY YOPITA SINURAT; MUFIDHATUL MUQARRAMAH
Biodiversitas Journal of Biological Diversity Vol. 25 No. 8 (2024)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d250815

Abstract

Abstract. Alamsjah F, Agustien A, Sinurat AY, Muqarramah M. 2024. Antibacterial activity and compound identification of Eurya acuminata leaf fractions against bacteria-causing skin infections. Biodiversitas 25: 3441-3448. Antibiotics previously used to treat skin infections have recently been ineffective due to pathogenic bacteria resistance, and the discovery of antibacterial agents derived from medicinal plants is a breakthrough. Eurya acuminata DC. is a member of the Pentaphylacaceae family and has efficacy values as a medicinal plant used in traditional medicines. This study aims to analyze the antibacterial activity of fractions (hexane, ethyl acetate, and water) of E. acuminata against bacteria causing skin infections and identify the chemical components of active fractions. A diffusion test was conducted for the antibacterial test. TLC (Thin Layer Chromatography) was used to determine the chemical components of the fractions. The fraction with the highest level of antibacterial activity was subjected to additional analysis using diffusion and LC-MS/MS (Liquid Chromatography-Mass Spectrometry/Mass Spectrometry). The antibacterial test showed that hexane, ethyl acetate, and water fractions were active against bacteria, with the ethyl acetate fraction having the highest activity. The TLC profile and the diffusion assay of the ethyl acetate fraction showed that spot number 4 with an Rf 1,00 had antibacterial activity. Identification of the compounds of the ethyl acetate fraction by LC-MS/MS resulted in identified compounds such as acacetin, kaempferol, peonidin, chrysoeriol, nobiletin, luteolin, and antroquinonol. This study demonstrates a new hope for further research into natural antibacterial agents, and it is a breakthrough with these phytochemicals.
Co-Authors . Mansyurdin Anthoni Agustien Ashrifurrahman Ashrifurrahman Bramadi Arya FESKAHARNY ALAMSJAH Henny Herwina Kurniadi Ilham M.Nazri Janra Maliza, Rita MUFIDHATUL MUQARRAMAH Muhammad Idris Muhammad Syukri Fadil Nofrita Nofrita Putra Santoso Reziq Marchellino Irwan Robby Jannatan Tasya Putri Pratama Elisa Wilson Novarino