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All Journal Jurnal Teknologi Industri Pertanian BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) JURNAL EKSAKTA PENDIDIKAN (JEP) JURNAL PERSPEKTIF PENDIDIKAN Dharma Raflesia : Jurnal Ilmiah Pengembangan dan Penerapan IPTEKS Jurnal Inovasi Pengabdian Masyarakat Pendidikan DIKSAINS : Jurnal Ilmiah Pendidikan Sains Andromeda: Jurnal Pengabdian Masyarakat Rafflesia Journal of Multidisciplinary Research
Arsela Eko Listiono
Universitas Bengkulu
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Decision Sciences, Operations Research & Management Education Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mathematics Physics Social Sciences Other

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KONVERSI KONVERSI BIOGASOLIN DARI RESIDU MINYAK PALM OIL MILLS EFFLUENT (POME) DENGAN BANTUAN IRADIASI ULTRASONIK DAN PERENGKAHAN KATALITIK Agus Sundaryono,Arsela Eko Listiono, M. Lutfi Firdaus, Dewi Handayani
Jurnal Teknologi Industri Pertanian Vol. 28 No. 1 (2018): Jurnal Teknologi Industri Pertanian
Publisher : Department of Agroindustrial Technology, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Palm oil mill effluent (POME) is a liquid waste by product of fresh fruit bunches processing (FFB) in palm oil factory (POF). POME contains oil residue of 0.7% (from treated FFB). The purpose of this study was to convert oil residue of POME into biogasolin with the help of ultrasonic irradiation and catalytic cracking. The convertion was performed by reacting oil residue of POME with methanol in an esterification and transesterification reaction with the aid of ultrasonic irradiation. The reaction product was further reacted in the catalytic cracking reaction using zeolite-based catalysts (Ni/HZa and Mo-Ni/HZa). The overall reaction results were characterized using GCMS to determine the constituent components. The components  found using Mo-Ni/HZa catalyst were 51.22% biogasoline and other products of kerosene and diesel as well as long chain methyl ester components, whereas using Ni/HZa catalyst was found a component equivalent to diesel at 2.44%.Keywords: biogasoline, ultrasonic irradiation, catalytic cracking, zeolite catalyst, POME
Pelatihan Pemanfaatan Tumbuhan Obat yang Berpotensi sebagai Obat Covid-19 kepada Guru-guru IPA se Kabupaten Kaur Sundaryono, Agus; Karyadi, Bhakti; Ruyani, Aceng; Nursaa'adah, Euis; Listiono, Arsela Eko
DHARMA RAFLESIA Vol 21 No 1 (2023): JUNI (ACCREDITED SINTA 5)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/dr.v21i1.19403

Abstract

Kebiul merupakan tumbuhan obat Masyarakat suku Serawai Bengkulu. Oleh masyarakat biji Kebiul digunakan  sebagai obat malaria. Biji Kebiul telah diteliti mampu menghambat perkembangan Plasmodium berghei pada Mencit. Tujuan kegiatan ini adalah sosialisasi hasil penelitian melalui Pelatihan Pemanfaatan Tumbuhan Sumber Daya Lokal sebagai Obat Malaria yang Berpotensi sebagai Obat Covid-19 pada Guru  IPA  di Kabupaten Kaur. Pada awal kasus pandemic covid 19  beberapa peneliti melaporkan bahwa klorokuin dapat digunakan sebagai obat Covid-19, Berdasarkan uji praklinik biji Kebiul, mampu menghambat  perkembangan plasmodium malaria secara lebih baik dibandingkan dengan klorokuin. Melalui gambaran penelitian ini dimungkinkan biji Kebiul mempunyai potensi digunakan sebagai obat Covid-19. Pelatihan ini juga dimaksudkan sebagai upaya membangun sikap konservasi (pemanfaatan sumberdaya alam secara bijaksana) tentang tumbuhan obat di lingkungan sekolah. Pelatihan  diikuti oleh 40 guru IPA, hasil pelatihan berjalan baik, peserta mengikuti kegiatan secara aktif, hasil evaluasi pemahaman materi juga baik, dengan kriteria nilai sangat bagus.
Penerapan Model Pembelajaran Project Based Learning dalam Kegiatan Daur Ulang Astuti, Annisa Puji; Syeptiani, Silvia; Listiono, Arsela Eko
JURNAL PERSPEKTIF PENDIDIKAN Vol 18 No 2 (2024): Jurnal Perspektif Pendidikan
Publisher : LP4MK STKIP PGRI Lubuklinggau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31540/jpp.v18i2.3299

Abstract

Penelitian ini bertujuan untuk mendeskripsikan ketercapaian dan keefektifan penerapan model pembelajaran Project Based Learning (PjBL) dalam kegiatan daur ulang limbah pada materi pencemaran lingkungan sebagai salah satu cara untuk menyelesaikan permasalahan pengelolaan sampah di sekolah. Metode penelitian ini adalah kualitatif jenis deskriptif. Dari 114 siswa yang tergabung dalam 4 kelas, terdapat 16 proyek kerajinan daur ulang limbah yang dihasilkan. Ketercapaian penerapan model pembelajaran berbasis proyek atau Project Based Learning diukur dari beberapa aspek seperti pemahaman konsep, kreativitas dalam proyek, kerja sama tim, keterampilan problem solving, presentasi hasil proyek, kesesuaian dengan tujuan, dan refleksi pembelajaran. Dari ke 7 aspek ini, siswa yang mendapatkan persentase skor dengan kategori “Sangat Baik” dengan predikat “A” sebanyak 3 kelompok atau sebesar 18,75%, kategori “Baik” dengan predikat “B” sebanyak 8 kelompok atau sebesar 50%, kategori “Cukup” dengan predikat “C” sebanyak 4 kelompok atau sebesar 25%, dan kategori “Kurang” dengan predikat “D” sebanyak 1 kelompok atau sebesar 6,25 %. Persentase rata-rata skor sebesar 83,7 menunjukkan ketercapaian model PjBL terhadap peningkatan kreativitas siswa dengan predikat “B” atau “Baik”.
Analysis Of The Quality Of Learning Achieved Through The Application Of The Inquiry Base Learning Model And Its Effect On Student Learning Interest In Science Laboratory Management And Engineering Subjects Listiono, Arsela Eko; Tukiman, Tukiman; Dilisti, Dilisti
Journal of Multidisciplinary Research Vol. 1 No. 2 (2025): January
Publisher : Utami Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70963/jmr.v1i2.137

Abstract

This study aims to analyse the quality of learning achieved through the application of the inquisiry base learning (IBL) learning model and its effect on student learning interest in the Science Laboratory Management and Engineering course. The research method used is quantitative method with experimental design. The results showed that the application of the IBL model significantly improved the quality of learning, which was indicated by an increase in the average score of students. In addition, students' interest in learning also increased significantly after the application of this model. This study recommends the use of the IBL model as one of the effective approaches to improve the quality of learning and student interest in learning.
Using Augmented Reality for Disaster Mitigation Education in a Natural Disaster Response School Fitri, Elsi Adelia; Arni, Yusni; Listiono, Arsella Eko; Romawina, Demi
JURNAL EKSAKTA PENDIDIKAN (JEP) Vol 9 No 1 (2025): JEP (Jurnal Eksakta Pendidikan)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jep/vol9-iss1/980

Abstract

Indonesia has a high potential for disasters, especially in coastal areas, so disaster awareness and preparedness need to be instilled early on. One effective way is through Augmented Reality (AR)-based education. This study analyzes the use of AR media as a source of science learning integrated with natural disaster mitigation. The method used is descriptive with qualitative and quantitative approaches. Participants consisted of 58 fifth grade students in South Sumatra. Data were collected through observation, questionnaires, teacher interviews, and analysis of teaching materials. The results of the study indicate that the topics of earth relief, plate movement, and environmental factors can be integrated into disaster mitigation. Students showed interest in AR, teachers supported the use of AR in learning. In conclusion, AR has a positive impact on student understanding, engagement, and disaster preparedness, and has the potential to be an interactive learning medium. Theoretically, this study contributes to science learning by integrating natural disaster mitigation using AR, especially for abstract concepts. Practically, these findings support the development of AR-based learning media to improve natural disaster preparedness. The application of AR integrated with natural disaster mitigation is still rarely explored in previous studies, especially in science learning
PENGEMBANGAN PEMAHAMAN TANAMAN OBAT DALAM PENDIDIKAN KONSERVASI MENDUKUNG PENGEMBANGAN KEBUN TOGA DI SMP KHAIRUL UMAH REJANG LEBONG Listiono, Arsela Eko; Umaya, Umaya; Firdaus, Mochamad Lutfi; Nursa’adah, Euis; Mayub, Afrizal; Fitri, Elsi Adelia
Jurnal Inovasi Pengabdian Masyarakat Pendidikan Vol. 5 No. 1 (2024): JIPMP
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/jurnalinovasi.v5i1.36975

Abstract

Pengabdian kepada masyarakat ini diselenggarakan di SMP IT Khoirul Ummah Rejang Lebong. Jika dilihat berdasarkan tata kelola gedung, SMP IT Khoirul Ummah belum memiliki gedung laboratorium namun memiliki lahan kosong yang cukup luas dan berpotensi dalam mengembangkan taman tanaman obat keluarga sebagai sumber bahan belajar bagi siswa. Metode yang digunakan meliputi penyampaian materi, sesi diskusi, demonstrasi pembuatan simplisia serta uji larutan asam basa, dan penanaman bunga telang sebagai pendidikan konservasi. Hasilnya yaitu terciptanya kebun tanaman obat keluarga yang dapat dimanfaatkan serta dikelola lebih baik oleh warga SMP IT Khoirul Ummah. Selain itu juga peserta pengabdian masyarakat ini khususnya warga SMP IT Khoirul Ummah memperoleh pengetahuan baru serta wawasan mengenai manfaat tanaman obat di sekitar untuk dijadikan sebagai obat pendamping keluarga.
SOSIALISASI EKSPERIMEN FENOMENA QUANTUM FLUORESENSI KEPADA SISWA SMPN 28 BENGKULU UTARA I Nyoman Candra; Listiono, Arsela Eko; Febriansyah, Muhammad; Nabila, Anggun T.; Nurhamidah; Elvinawati
Andromeda: Jurnal Pengabdian Masyarakat Rafflesia Vol. 5 No. 1 (2025): ANDROMEDA: Jurnal Pengabdian Masyarakat Rafflesia
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/andromeda.v5i1.41970

Abstract

The subject of Chemistry is still relatively unfamiliar among junior high school students because it is still part of the broader Science subject taught at that level. This is also the case at SMPN 28 Bengkulu Utara, where students are still unfamiliar with chemistry. To introduce chemistry and create a positive impression of the subject among students at SMPN 28 Bengkulu Utara, an outreach activity was conducted focusing on interesting chemical phenomena — in this case, the phenomenon of quantum fluorescence.During the activity, explanations were given about the meaning of fluorescence, the causes behind it, and its applications in everyday life. The outreach activity also included demonstrations of the fluorescence phenomenon. Participants engaged in the event enthusiastically, as seen through the students' active participation. This activity is expected to help participants become more familiar with chemistry, a subject that has long been considered difficult, intimidating, and abstract. Keywords: fluorescence; chemistry; carbon quantum dots; light
PENERAPAN MODEL PEMBELAJARAN TWO STAY TWO STRAY DALAM MENINGKATKAN KEAKTIFAN DAN HASIL BELAJAR MAHASISWA PADA MATERI KIMIA AIR Listiono, Arsela Eko; Susanti, Susanti; Syeptiani, Silvia; Astuti, Annisa Puji
DIKSAINS : Jurnal Ilmiah Pendidikan Sains Vol. 5 No. 2 (2024): Juni 2025
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/diksains.5.2.165-171

Abstract

ABSTRAK   Penelitian ini bertujuan untuk menganalisis peningkatan keaktifan dan hasil belajar mahasiswa pada materi kimia air melalui penerapan model pembelajaran kooperatif  Two Stay Two  Stray  (TSTS).  Latar  belakang  penelitian  ini  adalah  rendahnya tingkat keaktifan dan hasil belajar mahasiswa dalam mata kuliah kimia air yang seringkali diajarkan secara konvensional, sehingga  kurang mendorong interaksi dan pemahaman mendalam. Penelitian ini menggunakan pendekatan kuantitatif dengan desain Quasi-Eksperimen jenis Nonequivalent Control Group Design. Populasi penelitian adalah mahasiswa program studi Pendidikan IPA yang mengambil mata kuliah Kimia Lingkungan. Sampel dipilih secara purposive sampling, terdiri dari dua kelas: satu kelas eksperimen yang menerapkan model TSTS, dan satu kelas kontrol yang menggunakan metode pembelajaran konvensional. Data keaktifan dikumpulkan melalui lembar observasi, sedangkan data hasil belajar diperoleh dari pretest dan posttest yang diberikan kepada kedua kelompok. Analisis data dilakukan secara deskriptif dan inferensial. Data hasil belajar dianalisis menggunakan Independent Sample T-Test atau Mann-Whitney U Test setelah uji normalitas dan homogenitas, serta perhitungan N-Gain untuk melihat peningkatan. Data keaktifan dianalisis secara deskriptif persentase. Hasil penelitian menunjukkan bahwa model pembelajaran Two Stay Two Stray secara signifikan mampu meningkatkan keaktifan dan hasil belajar mahasiswa pada materi Kimia Air dibandingkan dengan metode pembelajaran konvensional. Nilai N-gain Score pada tabel pada kelas eksperimen  berada dalam kategori tinggi yaitu 0,74 berada pada 0,30 > N-gain > 0,70, sedangkan pada kelas kontrol mendapatkan nilai 0,68 berada pada 0,30 ≤ N-gain ≤ 0,70 berada dalam kategori sedang. Peningkatan keaktifan terlihat dari partisipasi aktif mahasiswa dalam diskusi kelompok dan berbagi informasi, yang berkolerasi positif dengan peningkatan pemahaman konsep.   Kata  kunci : Two Stay Two Stray (TSTS),  Kimia Air, Keaktifan Mahasiswa, Hasil Belajar   ABSTRACT   This study aims to analyze the increase in student activity and learning outcomes in water chemistry materials through the application of the Two Stay Two Stray (TSTS) cooperative learning model. The background of this research is the low level of student activity and learning outcomes in water chemistry courses which are often taught conventionally, so that they do not encourage interaction and deep understanding. This study uses a quantitative approach with a Quasi-Experimental design of the Nonequivalent Control Group Design. The research population is students of the Sains study program who take the Environment Chemistry course. The sample was selected by purposive sampling, consisting of two classes: one experimental class applying the TSTS model, and one control class using conventional learning methods. Activity data was collected through observation sheets, while learning outcome data was obtained from pretest and posttest given to both  groups. Data analysis  was carried out descriptively and inferentially.  The learning outcome data was analyzed using the Independent Sample T-Test or Man-Whitney U Test after the normality and homogeneity test, as well as the calculation of N-Gain to see improvement. Activeness data was  analyzed descriptively as a percentage. The results of the study show that the Two Stay Two Stray learning model is significantly able to increase student activity and learning outcomes in Water Chemistry materials compared to conventional learning methods. The N-gain Score value in the  table in the experimental class was in the high category, which was 0.74, was in the high category, which was 0.30 > N-gain > 0.70, while in the control class, the value of 0.68 was in the 0.30 ≤ N-gain ≤ 0.70 was in the medium category. The increase in activeness can be seen from the active participation of students in group discussions and information sharing, which is positively correlated with increased understanding of concepts.   Keywords : Two Stay Two Stray (TSTS), Water Chemistry, Student Activity, Learning Outcomes
ANALISIS MEDIA PEMBELAJARAN ANATOMI DAN FISIOLOGI TUMBUHAN BERBASIS PROYEK MAHASISWA CALON GURU IPA Astuti, Annisa Puji; Syeptiani, Silvia; Listiono, Arsela Eko
DIKSAINS : Jurnal Ilmiah Pendidikan Sains Vol. 5 No. 2 (2024): Juni 2025
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/diksains.5.2.172-180

Abstract

ABSTRAK   Penelitian ini bertujuan untuk menganalisis kualitas media pembelajaran Anatomi dan Fisiologi Tumbuhan yang dikembangkan oleh mahasiswa calon guru IPA melalui model pembelajaran berbasis proyek (Project Based Learning). Metode penelitian yang digunakan adalah deskriptif dengan pendekatan kuantitatif. Subjek dalam penelitian ini yaitu mahasiswa semester 3 kelas A dan B prodi S1 Pendidikan IPA FKIP Universitas Bengkulu yang berjumlah 64 orang. Instrumen yang digunakan adalah lembar penilaian media Anatomi dan Fisiologi Tumbuhan dengan kriteria: kebutuhan, ideal, dan nilai nilai, ketepatan efektivitas pemanfaatan media pembelajaran dan pencapaian tujuan pembelajaran yang telah dirumuskan yang dikembangkan menjadi 9 aspek penilaian. Hasil analisis menunjukkan bahwa aspek dengan skor tertinggi adalah kesesuaian dengan nilai edukatif (persentase 86,81%) dan relevansi dengan materi (86,11%) yang termasuk dalam kategori "sangat baik". Sementara itu, aspek kreativitas dan orisinalitas memperoleh persentase terendah sebesar 75,69% dengan kategori "baik". Rata-rata keseluruhan kualitas media mencapai 81,33% dengan kategori "sangat baik".   Kata kunci: analisis, media pembelajaran, anatomi dan fisiologi tumbuhan, berbasis proyek.   ABSTRACT   This study aims to analyze the quality of instructional media on Plant Anatomy and Physiology developed by prospective science teachers through a Project-Based Learning (PjBL) model. The research method used is descriptive with a quantitative approach. The subjects of this study were 64 third-semester students from classes A and B of the Science Education undergraduate program at the Faculty of Teacher Training and Education, University of Bengkulu. The instrument used was an assessment rubric for instructional media on Plant Anatomy and Physiology, with criteria covering needs, ideals and values, accuracy, effectiveness in media utilization, and achievement of predetermined learning objectives, which were further elaborated into nine assessment aspects. The analysis results showed that the highest-scoring aspects were alignment with educational value (86.81%) and relevance to the subject matter (86.11%), both categorized as "excellent." Meanwhile, the lowest-scoring aspect was creativity and originality, with a percentage of 75.69%, categorized as "good." Overall, the average quality of the instructional media reached 81.33%, which falls under the "excellent" category.   Keywords: analysis, instructional media, plant anatomy and physiology, project-based learning.
BIODEGRADATION OF STYROFOAM WASTE BY HONGKONG MEALWORMS (Tenebrio molitor) Kurniani, Riska; Ruyani, Aceng; Johan, Henny; Defianti, Aprina; Yani, Ariefa Primair; Listiono, Arsela Eko
BIOLINK (Jurnal Biologi Lingkungan Industri Kesehatan) Vol. 12 No. 1 (2025): Biolink August
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v12i1.15203

Abstract

This research aims to describe the ability of mealworms (Tenebrio molitor) to reduce styrofoam waste by observing the decrease in styrofoam weight and survival rate over one week. The method used is an experiment with a Completely Randomized Design (CRD) with 4 treatments (P0, P50, P100, P150) and 4 replications. The data was analyzed using descriptive statistics. The research stages include container preparation, larvae, stocking, feeding, and maintenance. The results show that the weight loss of styrofoam occurred at P50 (18.5%), P100 (22.75%), and P150 (36%). Meanwhile, the control group (P0) only experienced a weight loss of 1.5%. This indicates that the greater the number of T. molitor, the greater the weight loss of styrofoam. The highest survival rate for T. molitor was observed at P50, with a decrease in numbers of only 12.5%. At P150, the decrease was 16.8%, and at P100, it was 28.75%. This decrease is suspected to be caused by competition among T. molitor, population density, and a lack of nutrients despite the addition of supplementary feed. Based on the analysis of the results, it can be concluded that T. molitor is capable of reducing styrofoam waste, with the highest survival rate in the P50 group.
Co-Authors ACENG RUYANI Ariefa Primair Yani ASTUTI, ANNISA PUJI BHAKTI KARYADI Budiyanto Budiyanto Defianti, Aprina Dilisti, Dilisti Elsi Adelia Fitri Elvinawati Febriansyah, Muhammad Firdaus, Mochamad Lutfi Henny Johan I Nyoman Candra Kurniani, Riska Mayub, Afrizal Nabila, Anggun T. Nurhamidah Nursaa'adah, Euis Nursa’adah, Euis Romawina, Demi Susanti Susanti Syeptiani, Silvia Tukiman Tukiman Umaya Umaya, Umaya Yusni Arni