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Analisis Cemaran Mikroba Pada Minuman Jajanan Yang Dijual Pedagang Kaki Lima …
Street-vended beverages are drinks prepared and sold by street vendors in crowded public areas, such as markets and streets, intended for immediate consumption without further processing. This study aimed to assess the microbiological safety of street-vended beverages sold by vendors in Pekanbaru City. Samples were collected from seven districts, yielding a total of 16 beverage samples. Microbi…
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- 2003110684
Optimasi Proses Pembuatan Dan Adsorpsi Carbon Dots Dari Fluff Teh (Camellia S…
Carbon dots from fluff tea are one of the adsorbents that can be used to remove colorants from water. Fluff tea is a waste product from tea processing factories, consisting of whole and broken tea leaves and branches resulting from green tea production. Fluff tea contains amino acids, proteins, cellulose, microelements, tannins, and polyphenols that can be utilized as adsorbents. This research …
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- 2003110700
Analisis Metabolomik Untuk Mengevaluasi Pengaruh Pengadukan Fermentasi Dan Je…
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…
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Isolasi Dan Uji Aktivitas Antijamur Senyawa Metabolit Sekunder Dari Fraksi 3 …
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 …
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Isolasi Senyawa Aktif Antibakteri Dari Ekstrak Etil Asetat Daun Lampeni (Ar…
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…
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- 2003111260
Modifikasi Katalis CaO dari Cangkang Kerang Darah dengan Silika Gel dari Sabu…
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…
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- 2210247900
Pengembangan LKPD Berbasis Problem Based Learning Untuk Meningkatkan Kemampua…
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…
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- 2010247439
Studi Komparatif Aktivasi-Karbonisasi Dan Karbonisasi-Aktivasi Limbah Agroind…
The agro-industrial waste from tea stems can be utilized as a source of activated carbon, as it contains 43.45% carbon bound in organic compounds such as cellulose, hemicellulose, and lignin. This approach can help reduce waste and mitigate negative environmental impacts. The cellulose in tea stems is converted through carbonization and activation into a porous carbon structure, which is effect…
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- 2003134853
Analisis Pengaruh Kedisiplinan Belajar dan Kepercayaan Diri Terhadap Hasil Be…
Research has been conducted with the purpose of identifying the partial and simultaneous influence of discipline learn and self-confidence on student learning achievement in class X chemistry subjects at MA Darul Hikmah Pekanbaru. The kind of research adopted is survey research with quantitative approach. The research was conducted at MA Darul Hikmah Pekanbaru in the even semester of 2023/2024 …
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- 2005111397
Uji Validitas Dan Praktikalitas Lembar Kegiatan Peserta Didik Elektronik (E-L…
Electronic Student Worksheets (E-LKPD) include teaching materials that are intensively developed to facilitate their learning process. One website with many features that can be utilized to create E-LKPD is Liveworksheets. This study aims to develop an E-LKPD based on the Attention, Relevance, Confidence, and Satisfaction (ARCS) model on the subject of acid-base that is valid and knows the user…
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- 2005112323
Pengembangan E-Lkpd Berbasis Model Pembelajaran Pdeode Menggunakan Wizer.Me P…
This research study develops PDEODE-based E-LKPD using wizer.me on chemical equilibrium material, aimed at grade XI SMA/MA students. The goal is to create valid teaching materials, using the Research and Development (R&D) method with the 4-D model. The subjects of this study included 3 students for one-on-one trials, 2 chemistry teachers, and 20 students as respondents in small group trials, na…
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- 2005111514
Pengembangan LKPD Berbasis Nature Of Science (NOS) Pada Pokok Bahasan Ikatan …
The development of LKPD based on the Nature of Science (NoS) on chemical bonds topics aims to produce a valid Student Worksheets (LKPD) and determine user responses. This research uses the type of research and development (R&D) with the 4-D development model. The data collection instruments used are validation sheets and user response questionnaires for teachers and students. The results showed…
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- 2005110438
Pengembangan Instrumen Four-Tier Multiple Choice Diagnostic Test Pada Materi …
This research was motivated by the use of test instruments by teachers in schools who were not focused enough on diagnosing students' level of understanding of concepts, so that the cause of difficulties in understanding chemical material could not be known precisely. The main aim of this research is to develop a four-tier multiple choice diagnostic test instrument on redox and electrochemical …
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- 1805111102
Pengaruh Kecerdasan Interpersonal Dan Kepercayaan Diri Terhadap Hasil Belajar…
Different interpersonal intelligence and self-confidence in each student can influence student learning outcomes. This research aims to determine the influence of interpersonal intelligence and self-confidence on the chemistry learning outcomes of class X SMA/MA equivalent students. The type of research carried out in this research is quantitative. The research was conducted at SMAN 15 Pekanbar…
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Pengaruh Kedisiplinan Dan Kemandirian Belajar Terhadap Hasil Belajar Peserta …
Learning outcomes are influenced by several internal factors, including learning discipline and learning independence. This study aims to examine the following topics: 1) how learning disciplines affect chemistry learning outcomes; 2) how learning independence affects chemistry learning outcomes; and 3) how learning discipline and learning independence work together to influence chemistry lear…
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- 2005114293
Optimasi Degradasi Methylene Blue Menggunakan Komposit Rgo/Tio2
LARA ISMANO FITRI, NIM. 2010242048 Optimization of Methylene Blue Degradation Using rGO-TiO2 Composite, supervised by Desi Heltina and Amun Amri. The increasing water pollution, especially from organic dye waste, poses a serious threat to human health. According to World Bank data (2019), 20% of global wastewater originates from the textile industry. In Indonesia, many textile industries lack…
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- 2010242048
Asesmen Dan Evaluasi Struktur Gedung Terbangun Di Kota Pekanbaru
The case study of the building in this study is a building with an initial design of 7 floors but the construction has only been completed 4 floors, so in evaluating this building a new building approach and existing buildings are used using linear analysis of spectrum response based on SNI 1726-2019 and Non-Linear Pushover analysis based on ASCE 41-17, so that in the analysis 3 structural …
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- 2210247014
Pengembangan E-LKPD Berbasis Discovery Learning Menggunakan Aplikasi Ispring…
This study aims to produce E-LKPD based on Discovery Learning using the iSpring Suite application on the reaction rate material for grade XI SMA/MA which is valid based on experts and users of E-LKPD. This type of research is Research and Development (R&D) which is based on the 4-D model. This research was conducted at SMAN 4 and SMAN 3 Pekanbaru. The data collection instruments used were valid…
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- 2005125282
Isolasi, Karakterisasi, Dan Identifikasi Bakteri Asam Laktat (Bal) Dari Cinca…
Cincalok, a traditional food from Indragiri Hilir Regency, is made by spontaneous fermentation of rebon shrimp (Acetes sp.) mixed with salt and sago. This food is thought to contain lactic acid bacteria (LAB) that have the potential as probiotic agents that can provide positive benefits to the body's health if consumed in the right amount. This study aimed to isolate LAB and characterize them m…
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- 2003111265
PENERAPAN MEDIA PEMBELAJARAN ELEKTRONIK SWAY OFFICE UNTUK MENINGKATKAN PEMAHA…
Abstract-Students are less involved in the learning process as a result of the difficulty of the learning material, which contributes to their lack of understanding of concepts. Textbooks are often used by educators as learning resources. PowerPoint is the medium used, which only consists of short textual content. As a result, students experience boredom and become less involved in learning. Sw…
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- 2005112299
Karya Umum 
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Kesenian, Hiburan, dan Olahraga 
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Geografi dan Sejarah