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All Journal Journal of Computer Science and Information Systems (JCoInS) Malacca Pharmaceutics English Education: English Journal for Teaching and Learning
Harahap, Saima Putri
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Education Immunology & microbiology Medicine & Pharmacology

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Antimicrobial Properties of Medicinal Plants in the Lower Area of Ie Seu-um Geothermal Outflow, Indonesia Fakri, Fajar; Harahap, Saima Putri; Muhni, Akmal; Khairan, Khairan; Hewindati, Yuni Tri; Idroes, Ghazi Mauer
Malacca Pharmaceutics Vol. 1 No. 2 (2023): October 2023
Publisher : Heca Sentra Analitika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60084/mp.v1i2.44

Abstract

The lower area of the Ie Seu-um manifestation, located in Ie Seu-um village, Aceh Besar District, harbors several medicinal plants that exhibit potential for the treatment of infectious diseases. This study aims to assess the secondary metabolite content and in vitro antimicrobial activity against Staphylococcus aureus, Escherichia coli, and Candida albicans of medicinal plants inhabiting the geothermal region. Medicinal plants, namely Pluchea indica (L.) Less., Acrostichum aureum L., Acacia mangium L., and Calotropis gigantea (L.) Dryand., were collected within a range of 100-150 meters from the hot springs in the lower area. Methanol extracts of these medicinal plants underwent phytochemical screening and were tested for antimicrobial activity using the Kirby-Bauer disc diffusion method at a concentration of 50%. The results of phytochemical screening demonstrated positive variations in alkaloids, flavonoids, saponins, steroids, triterpenoids, and tannins for each medicinal plant. The antimicrobial activity of the methanol extracts noticeably inhibited the growth of S. aureus compared to E. coli and C. albicans. The largest inhibition zones were observed for the leaf part of A. mangium (12.70 ± 2.30 mm) against S. aureus, the aerial part of A. aureum (11.57 ± 2.01 mm) against E. coli, and the aerial part of P. indica (9.89 ± 1.11 mm) against C. albicans. Based on the research findings, medicinal plants originating from the lower area of the Ie Seu-um manifestation exhibit potential as antimicrobial agents, particularly against gram-positive bacteria.
Optimasi Keuntungan UMKM ATK (AlatTulis Kantor) Fotocopy Menggunkan Linear Programing (Studi Kasus Fotocopy Kumle) Urrizka, Annisa; Humairoh, Arsy; Manja, Dwi Putri; Harahap, Saima Putri; Ranandia, Windi; Ritonga, Irmayanti
Journal of Computer Science and Information System(JCoInS) Vol 6, No 1: JCoIns | 2025
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jcoins.v6i1.6888

Abstract

Photocopy stationery stores face challenges in determining optimal prices to maximize profits while considering stock constraints, costs, and demand. This study uses a linear programming approach to solve this problem. The data used include reseller prices, selling prices, stock capacity, and market demand for seven types of goods. Validated using QM software for Windows. The results of the study indicate that this method successfully determines the optimal combination of selling price and production quantity, which provides a maximum profit of Rp910,000 per day. This approach provides a strategic solution for photocopy stationery managers in data-based decision making.
Teachers’ Strategies in Building Students’ English Learning Motivation Harahap, Saima Putri; Siregar, Fitri Rayani; Rambe, Shokira Linda Vinde
English Education : English Journal for Teaching and Learning Vol 11, No 02 (2023)
Publisher : UIN Syekh Ali Hasan Ahmad Addary Padangsidimpuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24952/ee.v11i02.10356

Abstract

This research investigated the teachers’ strategy in building students’ English learning motivation. This research used qualitative research in descriptive method. The data sources of thie research were the two English teachers of the XI grade students of SMA N 4 Padangsidimpuan. The data were collected through observation and interview. This research is analyzed by using Miles and Huberman’s interactive model of data including reducing the data, diaplaying the data, taking conclusion and verification. This research used method triangulation to check the data trustworthiness. Based on the result of the research, it can be concluded that the strategies used by the English teachers were categorized into four part including creating the basic motivational ondition, generating intial motivation, maintaining and protecting motivation, and encouraging positive self-evaluation.
Co-Authors Akmal Muhni Fajar Fakri Ghazi Mauer Idroes Hewindati, Yuni Tri Humairoh, Arsy Khairan Khairan Manja, Dwi Putri Rambe, Shokira Linda Vinde Ranandia, Windi Ritonga, Irmayanti Siregar, Fitri Rayani Urrizka, Annisa