The potential for discovering new antibiotic alternatives through the exploration of local microbes from Riau as a source of bioactive compounds is significant. However, isolating active compounds using a guided assay approach presents challenges due to the limited amount of extract and the low yield obtained from microbial fermentation. To address these challenges, it is crucial to optimize fe…
Asplenium nidus, commonly known as bird's nest fern, belongs to the Aspleniaceae family. This fern typically grows in both lowland and highland areas, characterized by a single leaf and a rosette-shaped group of leaves, and it cannot tolerate direct sunlight. This study aims to isolate and characterize compounds from the chloroform extract of A. nidus and evaluate its antifungal activity using …
Infections caused by microorganisms such as bacteria, are becoming increasingly difficult to treat due to improper use of antibiotics leading to bacterial resistance. Therefore, new antibacterial agents are needed, and one continuously developed source is plants. One potential herbal plant is lampeni (Ardisia humilis Vahl) from the Primulaceae family and Ardisia genus, with several species repo…
Indeks Williamson menunjukkan bahwa ketimpangan antarwilayah di Riau mengikuti pola konvergensi dengan kurva cenderung berbentuk huruf U terbalik, artinya ketimpangan pada awalnya meningkat tetapi kemudian menurun seiring waktu. Kabupaten Bengkalis, Siak, Rohul, Inhil, dan Meranti merupakan penyumbang utama ketimpangan, Bengkalis dan Siak berkontribusi karena di atas rata-rata, sedangkan R…
Cascaded Fiber Bragg Grating (CasFBG) was introduced as an innovative solution to address the challenge of optical signal dispersion on single-mode optical fibers. The system is designed to improve the quality of optical transmission by minimizing the dispersion effect, so as to support the performance of more reliable and efficient optical communication networks. The implementation and analysi…
This study aims to produce teaching materials for learning hikayat in the form of E-books to facilitate teachers and students in increasing their knowledge of hikayat. The method used is the Research and Development (R&D) method, with the ADDIE model. Data collection was carried out using a measuring instrument in the form of a questionnaire. The questionnaires are teacher questionnaire instrum…
This study aims to produce a product of teaching materials for writing short stories containing local wisdom for grade XI students of SMA Negeri 2 Tembilahan to improve short story writing skills and students' cultural literacy knowledge. The research method used is Research and Development (R&D) with the ADDIE development model. Data collection techniques include interviews, validation sheets,…
This research is motivated by the increasing volume of waste in Pekanbaru City due to the high rate of urbanization and population growth. This condition demands a more effective, efficient, and sustainable waste management system in line with the principles of Good Environmental Governance. The objective of this research is to analyze and explain good environmental governance in waste manage…
This study aims to describe the influence of principal leadership and Adversity Quotient on teacher performance. The type of research used in this study is correlational research with a quantitative approach. This research was conducted in District XIII Koto Kampar, Kampar Regency. The research subjects were 75 PAUD teachers. To analyze the research data, simple linear regression and multiple l…
This research examines the relationship between work motivation, school climate, and professionalism of mathematics teachers at State Senior High Schools (SMAN) in Pekanbaru City. This research aims to identify how intrinsic and extrinsic motivation factors, combined with the overall school environment, influence the teaching practices and professional behavior of educators. Using a quantitativ…
The presence of the Pekanbaru-Dumai Toll Road influences traveler behavior regarding transportation mode selection, resulting in an increase in AKDP trans-portation users utilizing the toll road. This study seeks to develop a model of mode selection features and to investigate the factors influencing travelers' mode selection on the Pekanbaru-Dumai Toll Road. This research employs a statistical…
The global energy sector is still dominated by the use of non-renewable fossil fuels, encouraging various countries to switch to renewable energy sources such as biodiesel. Crude palm oil (CPO) as a biodiesel raw material contains high levels of Free Fatty Acids (FFA), which can reduce the quality of biodiesel if only using CaO catalysts. Therefore, an acid catalyst such as silica gel is needed…
Chemistry is one of the subjects that has abstract material characteristics and is related to everyday life. Chemistry learning requires interesting learning, fosters creativity, student innovation, and is not monotonous. Teaching materials play a very important role in the learning process because they function as a tool to con-vey information to students. Therefore, it is essential to use hig…
Mobile Legends Bang-Bang is one of the most popular games in Indonesia with more than 500 million downloaders on Play store App in 2024. Unfortunately, though a lot of gamers engage in trash talk when they are playing the game. The purpose of this research is: to identify the factors that motivate Mobile Legends Bang-Bang players to engage in trash talk and the impact of such trash talk on soci…
Learning Malay is an integral part of the education curriculum in Indonesia, including in junior high schools. However, teaching Malay is often faced with challenges in making students interested and actively involved in the learning process. One way that can be done to increase interest and effectiveness in learning Malay is to utilize elements of local culture and traditions, such as pantun. …