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PENGARUH KONSENTRASI KATALIS KOH, MgO DAN CaO PADA PEMBUATAN BIODIESEL DENGAN PROSES TRANSESTERIFIKASI
Jurnal Inovasi Teknik Kimia
Vol 10
, No 2
(2025)
Biodiesel dapat didefinisikan sebagai ester monoalkil yang dapat dihasilkan dari bahan alami yang terbarukan seperti minyak nabati dan hewani. Bahan bakar ini berpotensi untuk digunakan sebagai bahan bakar alternatif pengganti solar karena sifatnya yang mirip. Selain itu, biodiesel yang berasal dari minyak nabati merupakan bahan bakar terbarukan (renewable), mudah ditangani, tidak menghasilkan polutan berbahaya bagi lingkungan (tidak beracun), mudah terurai secara alami, emisi berbahaya dari pem...
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Molecular Identification of Color Variants of Procambarus clarkii Using the COI Gene for Taxonomic Validation
Bhagawati, Dian
; Husein Sastranegara, Muhammad
; Agus Nuryanto
; Anastasia Endang Pulungsari
; Elly Tuti Winarni
; Atang
; Hanan Hassan Alsheikh Mahmoud
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 7
, No 2
(2025)
This study addresses taxonomic uncertainty surrounding color variants of Procambarus clarkii in aquaculture and conservation contexts. We investigated whether commercially significant color morphs represent distinct subspecies or phenotypic variations of a single species. Using the cytochrome c oxidase subunit I (COI) gene as a molecular marker, we analyzed four color morphs (blue, white, orange, and brown) from aquaculture facilities in Banyumas Regency. DNA extraction, PCR amplification, and s...
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The Effectiveness of Using Smartphone-Based Phyphox in Field Practice Tilt to Improve Students' Creative Thinking Skills
Rusdin, Muhammad Epi
; Prasetyo, Erwin
; Anwar, Zaina
; Pujianti Bejahida Donuata
; Nurfadilah
; Farizi, Zakaria Al
Jurnal Penelitian Pembelajaran Fisika
Vol 16
, No 2
(2025)
The use of technology is a solution to overcome problems in physics learning. This study aims to determine the effectiveness of using Smartphone-based Phyphox in improving students' creative thinking skills. The design used in this research is a nonequivalent pre-test and post-test control group design. This study used a purposive sampling technique to get two groups. The statistical analysis used was independent sample t-test. The results of the analysis showed that there was an effect of using...
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Development of Diagnostic Tests to Identify Students' Problem-Solving Difficulties in Static Fluid Material
Jurnal Penelitian Pembelajaran Fisika
Vol 16
, No 2
(2025)
The availability of diagnostic instruments specifically designed to identify students' difficulties in solving problems related to static fluids is still limited, even though this material often leads to misconceptions and conceptual difficulties. This article aims to present the results of the development of a diagnostic test instrument to identify students' problem-solving difficulties in the static fluid material. This study employs the R&D (Research and Development) method using the ADDI...
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SOSIALISASI PINTAR NABUNG UANG “PINANG” SEJAK DINI DI SD NEGERI 005 WARU
Jurnal Pengabdian Masyarakat Unwahas
Vol 10
, No 1
(2025)
Menabung merupakan gaya hidup positif yang seharusnya muncul di masyarakat. Namun, perilaku masyarakat yang cukup konsumtif menjauhkan masyarakat dari aktivitas gemar menabung, tidak terkecuali bagi generasi muda dan anak-anak. Generasi muda saat ini justru lebih banyak menghabiskan uang mereka untuk hal yang dirasa tidak tepat. Artikel ini membahas mengenai upaya sosialisasi menabung bagi siswa kelas 5 di SD Negeri 005 Waru, Kabupaten Penajam Paser Utara. Kegiatan ini merupakan salah satu progr...
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Enhancing Functional Foods with Plant Extracts: A Study on Gummy Candies Containing Sungkai Leaf Extract
Nurhasanah, Siti
; Muhaimin
; Pyopyash , Sverigenia Aprilia
; Zaida
; Pangawikan, Aldilla Din Pangawikan
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 7
, No 2
(2025)
Gummy candy is a popular food product, but it is generally high in calories and low in functional content. Sungkai leaves (Peronema canescens Jack) are known to contain antioxidant compounds that have the potential to be developed as functional food ingredients. To overcome the high calorie content of gummy candy, this study developed a low-calorie gummy candy formulation with the addition of encapsulated sungkai leaf extract and a low-calorie sweetener. This study aims to determine the optimal...
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Election Officers' Health and Safety: An Occupational Risk Analysis
Nurcahyanie, Yunia Dwie
; Panjaitan, Nismah
; Mulyana, Olievia Prabandini
; Yulianto , Muhammad Teguh
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 7
, No 2
(2025)
General elections are vital to democracy in Indonesia, yet the occupational health and safety (K3) of Voting Organizer Group (KPPS or election officers) officers is often overlooked. This study evaluates the impact of workload on the physiological health of election officers during the 2024 General Election using an ergonomics-based approach. Data were collected from seven KPPS members at TPS 07 Cerme Kidul, Gresik, East Java, measuring blood pressure and oxygen saturation before and after elect...
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Kinetic and Equilibrium Study of Synthetic Dye Adsorption Using Alkali-Activated Scallop Shells as Sustainable Adsorbents
Advance Sustainable Science, Engineering and Technology (ASSET)
Vol 7
, No 2
(2025)
Scallop shells are abundant in Indonesia, particularly along the northern coast of Java Island in Pekalongan Regency. These shells serve as natural adsorbents for removing synthetic textile dyes from aqueous solutions due to their high mineral content, especially calcium carbonate. Adsorption experiments were conducted to evaluate the potential of scallop shells as adsorbents for removing vat dye solutions. Adsorption kinetics were analyzed using pseudo-first-order and pseudo-second-order models...
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Tantangan Dan Peluang Dalam Pengembangan Laporan Keuangan Syariah: Studi Literatur
Jurnal Ekonomi Bisnis dan Kewirausahaan
Vol 14
, No 1
(2025)
Sharia financial reports have an important role in the development of the sharia financial industry. However, its development is still faced with various challenges. This research aims to identify challenges and opportunities in developing sharia financial reports through literature studies. The research method used is literature study by analyzing various journals, books and related documents. The research results show that the main challenges include a lack of global standardization, limited h...
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Digital Madrasah: Empowering Technology Literacy for Teachers
Sudirman, Subhan Ajrin
; Naufan Rizqullah, Muhammad
; Lestari, Novia
; Yuharnida, Yuharnida
; Pribadi, Bagus
; Putra, Rahman Pranovri
Indonesian Journal of Empowerment and Community Service
Vol 6
, No 1
(2025)
The digital transformation of madrasahs has become imperative in the current digital era to address the evolving challenges of educational relevance. The digitalization process in madrasahs, particularly at MAN 3 Tanah Datar, encounters several obstacles, including limitations in infrastructure and human resources. Through the Science and Technology Literacy initiative spearheaded by the Faculty of Science and Technology at UIN Imam Bonjol Padang, this community service activity aims to strength...
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