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All Journal Jurnal Penelitian Saintek Jurnal Konseling dan Pendidikan Jurnal Neutrino : jurnal fisika dan aplikasinya SINTEK JURNAL: Jurnal Ilmiah Teknik Mesin Jurnal Pendidikan Fisika FKIP UM Metro JURNAL ILMIAH PENDIDIKAN FISIKA AL BIRUNI Edufisika: Jurnal Pendidikan Fisika Jurnal Penelitian Pembelajaran Fisika Jurnal Obsesi: Jurnal Pendidikan Anak Usia Dini JIPF (Jurnal Ilmu Pendidikan Fisika) Momentum: Physics Education Journal Journal of Natural Science and Integration Journal of Science Education Research Triadik JPBIO (Jurnal Pendidikan Biologi) Jurnal Biotek Kasuari: Physics Education Journal (KPEJ) ULIN: Jurnal Hutan Tropis Jurnal Kependidikan: Jurnal Hasil Penelitian dan Kajian Kepustakaan di Bidang Pendidikan, Pengajaran dan Pembelajaran Bioscientist : Jurnal Ilmiah Biologi Lumbung Inovasi: Jurnal Pengabdian Kepada Masyarakat International Journal of Research in Education (IJRE) DIKSAINS : Jurnal Ilmiah Pendidikan Sains Jurnal Ilmiah Ilmu Terapan Universitas Jambi Dikdimas : Jurnal Pengabdian Kepada Masyarakat IJOEM: Indonesian Journal of Elearning and Multimedia Amplitudo: Jurnal Ilmu dan Pembelajaran Fisika PPSDP International Journal of Education Journal of Environment and Sustainability Education Jurnal Pendidikan MIPA IJIS Edu : Indonesian Journal of Integrated Science Education
Wardana, Rendy Wikrama
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Nursing Physics Social Sciences Other

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Potensi Biomassa Pohon dan Emisi Karbondioksida Untuk Menilai Keseimbangan Karbon di Lingkungan Wahyuningsih, Endah Tri; Karyadi, Bhakti; Wardana, Rendy Wikrama; Nursa’adah, Euis; Mayub, Afrizal
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 4 (2025): December
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v13i4.16620

Abstract

This study aims to analyze carbon emissions from motor vehicles and the potential for carbon absorption by vegetation on four main roads in Bengkulu City: Padang Jati, Hibrida, Pagar Dewa, and Sukarami. The approach used is quantitative-descriptive, with data collected through traffic surveys and direct measurements of vegetation parameters during the observation period. Emissions are calculated using emission factors based on IPCC/KLHK standards according to vehicle type, while tree biomass is analyzed using allometric equations based on trunk diameter, track length, and vegetation type. Carbon analysis on four roads in Bengkulu City shows a significant imbalance between vehicle emissions and vegetation absorption. Sukarami recorded the highest emissions (751,813 kg CO₂) with a biomass of only 24,053 kg (absorption of 40,607 kg), making it a carbon source. Conversely, Padang Jati had the largest biomass (881,578 kg) compared to emissions of 431,889 kg CO₂, making it a carbon sink with absorption of 344%. Hibrida and Pagar Dewa showed intermediate conditions, with emissions of 424,145–570,063 kg CO₂ and absorption of 544,349–947 kg, indicating an unbalanced absorption capacity. These results emphasize the need to increase vegetation cover and manage green spaces as strategies for mitigating urban climate change.
The effect of salung leaf extract (Psychotria viridiflora) on blood glucose levels in mice Dara, Niki Dwi Dia; Ruyani, Aceng; Wardana, Rendy Wikrama; Mayub, Afrizal; Karyadi, Bhakti
Jurnal Penelitian Saintek Vol 30, No 2 (2025)
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jps.v30i2.87757

Abstract

This research is crucial in the context of the rising global prevalence of diabetes, a metabolic disorder that significantly affects public health. This study aims to determine the effect of salung leaf extract (Psychotria viridiflora) on blood glucose levels in hyperglycemic mice (Mus musculus). The study used 25 mice (Mus musculus) weighing 20-40 grams, divided into 5 treatment groups (P). Each group consisted of 5 mice, including a negative control, positive control, and three experimental groups with the administration of P. viridiflora extract at various doses (0.0112; 0.0225; and 0.0337 g/kgBW). Blood glucose measurements were conducted four times, on days 0, 6, 12, and 18, which included an initial glucose measurement, post-alloxan induction, and subsequent measurements after treatment. Among the three tested doses, the highest dose (0.0337 g/kg BW) proved to be the most effective in reducing blood sugar levels in alloxan-induced M. musculus, with effectiveness comparable to the standard drug Glibenclamide. Thus, the extract of P. viridiflora leaves shows strong potential as an alternative herbal antidiabetic therapy for M. musculus.
Development of Learning Media to Enhance Students' Digital Literacy: A Bibliometric Analysis Purwanto, Andik; Hamzah, Syukri; Wardana, Rendy Wikrama; Yanti, Fitri April; Butali, Reygan A.
IJIS Edu : Indonesian Journal of Integrated Science Education Vol 8, No 1 (2026): January 2026
Publisher : UIN Fatmawati Sukarno Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29300/ijisedu.v8i1.7181

Abstract

This research aims to determine the need for the development and application of learning media as an effort to improve students' digital literacy. The research method carried out is the determination of keywords, namely "digital literacy competency education" and "journal" in the Publish or Perish (PoP) software as a research data source database with the Scopus database, resulting in 157 articles from 2014-2024 and obtaining 42 articles as samples in accordance with the keyword criteria. Meta-data analysis was carried out using Mendeley and VOSViewer to visualize a bibliographic network with research variables such as the year of publication of the article, the country of publication of the journal, the name of the author of the article, and the article with the most citations. The results of the analysis show that the development and application of learning media as an effort to improve students' digital literacy is indeed needed in supporting the learning process and can be an interesting alternative method to improve student academic achievement. In addition, the results of mapping analysis using VOSviewer show several themes about the use of comic-based physics learning media such as 'university student', 'application', 'role', 'scientific literacy', and 'effect' which are still rarely researched and become the latest themes in research. So it can be concluded that the development and application of learning media as an effort to improve students' digital literacy needs to be researched again. 
Co-Authors Abdul Rahim, Suzieleez Syrene ACENG RUYANI Andik Purwanto Anggraini, Yestilia Aniliawati, Ur anjelie, Anggi April Yanti, Fitri Ardina, Mona Ariefa Primair Yani Ariefa Primairyani, Ariefa Ayub, Yenni Novita Lestari BHAKTI KARYADI Binti Abdul Rahim, Suzieleez Syrene Butali, Reygan A. Cantika, Pricilia Debi Dara, Niki Dwi Dia Defianti, Aprina Efriyani, Veni Efriyani Eka Saputra Eko Risdianto Elsi Adelia Fitri Endang Widi Winarni Fadhilah, Annisa Alya Farid, Muchammad Firdaus, Mochamad Lutfi Firmanul Catur Wibowo Fitri April Yanti, Fitri April Fitriana, Febi Hamzah, Syukri Handayani, Rinda Fitri Harofah, Ayu Idhil Hayuni Retno Widarti Hendri Saputra Henny Johan Herawati, Asmida Heryensi, Elza I Wayan Dharmayana Ida Lestari Indra Sakti Indriani, Lativa Dwi Irwan Koto, Irwan Iwan Setiawan Johan , Henny Kasim, Hafia Ameliyah Khamis, Noorzana Lestari, Novia Ayu Lestari, Tri Reski Lia Anggraini Liliasari , Lisantia, Risky Novi Lumbangaol, Asian M. Anas Thohir M. Lutfi Firdaus, M. Lutfi Maya, Ratmi Mayub, Afizal Mayub, Afrizal Medriati, Rosane Nahadi NIKMAH, KHOIRUN Nirwana, Nirwana Noni Noviana Nulhakim, Lukman Nursa'adah, Euis Nursaadah, Euis P. C. Tjiang Parlindungan, Deni Partikasari, Rika Pathonawiratama, Gustin Pistira, Pistira Pujianto, Dian Puspita Sari, Hesi Putra, Syalendra Putri Anjarsari Putri, Siti Meizhuri Aulia Putri, Zakyya Septiana Raden Mohamad Herdian Bhakti Rambat Nur Sasongko Rotami, Ladya Saprudin Saprudin, Saprudin Saragih, Indah Soraya Sartika, Rita Sathasivam, Renuka V. Setiani, Winda Sudarwan Danim Sudirman Sudirman Sukarso, A. A. Sutarno Sutarno Sutarno, M Sutarno, M. Thoha Firdaus Tungga, Nora Kumala Uliyandari, Mellyta Umaya Umaya, Umaya Utomo, Niko Veronica, Liza Christine Wahyuningsih, Endah Tri Walid, Ahmad Wulandari, Fenni Krisna Yanti, Isya Vira Yunitasari Yunitasari, Yunitasari