Vol. 13 No. 3 (2023)

View Vol. 13 No. 3 (2023)

The issue of JELS Vol. 13  No. 3  2023  was published on 2023-10-30. The authors of this issue are from Indonesia: Universitas Brawijaya, Universitas Palangka Raya, Universitas Negeri Malang, Badan Riset dan Inovasi Nasional (BRIN), Universitas Islam Madura, Institut Teknologi Sepuluh Nopember. Japan: Hiroshima University. Taiwan: National Central University. Amerika Serikat: University of Texas Arlington.

Published: 2023-10-30

Full Issue

  • Particle Swarm Optimization – Extreme Learning Machine with Decreasing Inertia Weight for COVID-19 Prediction in Surabaya

    • Mohamad Handri Tuloli, Brawijaya University
    • Syaiful Anam, Department of Mathematics, Brawijaya University
    • Nur Shofianah, Department of Mathematics, Brawijaya University
    Pages: 138-144 | Abstract views: 111 | PDF downloads: 126 | PDF
    DOI: https://doi.org/10.21776/ub.jels.2023.013.03.01

  • Phylogenetic Inference on Limnonectes kuhlii Complex in Java and Sumatra Reveals Significant Novel Diversity

    • Muhamad Fahmi, Universitas Brawijaya, Malang, Indonesia
    • Ahmad Muammar Kadafi, Universitas Palangka Raya, Palangka Raya, Indonesia
    • Bagus Priambodo, Universitas Negeri Malang, Malang, Indonesia
    • Muhammad Alif Fauzi, Universitas Brawijaya, Malang, Indonesia
    • Amir Hamidy, National Research and Innovation Agency (BRIN), Bogor, Indonesia
    • Anggun Sausan Firdaus, National Central University, Taoyuan City, Taiwan
    • Eric Nelson Smith, University of Texas Arlington, Texas, USA
    • Nia Kurniawan, Universitas Brawijaya, Malang, Indonesia
    Pages: 145-152 | Abstract views: 251 | PDF downloads: 181 | PDF
    DOI: https://doi.org/10.21776/ub.jels.2023.013.03.02

  • Effectiveness of Extract Supplements (Apium graveolens L.) to Estrogen Receptors Expression and Oocyte Diameter at Nucleolar Chromatin and Perinucleolar Stages in Female of Nile tilapia (Oreochromis niloticus L.)

    • Novy Kurnia Rikardo, Universitas Brawijaya, Malang, Indonesia
    • Agung Pramana Warih Marhendra, Universitas Brawijaya, Malang, Indonesia
    • Nia Kurniawan, Universitas Brawijaya, Malang, Indonesia
    • Wibi Riawan, Universitas Brawijaya, Malang, Indonesia
    • Sri Rahayu, Universitas Brawijaya, Malang, Indonesia
    Pages: 153-158 | Abstract views: 99 | PDF downloads: 97 | PDF
    DOI: https://doi.org/10.21776/ub.jels.2023.013.03.03

  • Influence of Marsilea crenata and Alpinia purpurata Ethanol Extract on MDA and SOD Testicular Cells of Hyperglycemia Mice

    • Febriane Eka Damayanti, Universitas Brawijaya, Malang, Indonesia
    • Sri Rahayu, Universitas Brawijaya, Malang, Indonesia
    • Sri Widyarti, Universitas Brawijaya, Malang, Indonesia
    Pages: 159-165 | Abstract views: 113 | PDF downloads: 116 | PDF
    DOI: https://doi.org/10.21776/ub.jels.2023.013.03.04

  • Effect of Stirring Speed and Solid to Solvent Ratio on Fucoidan Yield from Sargassum sp.

    • Naili Uswatun Hasah, Universitas Islam Madura, Pamekasan, Indonesia
    • Dewi Purnama Wati, Universitas Islam Madura, Pamekasan, Indonesia
    • Sugiono Sugiono, Universitas Islam Madura, Pamekasan, Indonesia
    Pages: 166-169 | Abstract views: 81 | PDF downloads: 80 | PDF
    DOI: https://doi.org/10.21776/ub.jels.2023.013.03.05

  • Effect of Combination between the Extract of Marsilea crenata and Alpinia purpurata K.Schum Rhizome on Sperm Quality of Hyperglycemia Mice

    • Shofi Nur Aliyah, Universitas Brawijaya, Malang, Indonesia
    • Sri Rahayu, Universitas Brawijaya, Malang, Indonesia
    • Agung Pramana Warih Marhendra, Universitas Brawijaya, Malang, Indonesia
    Pages: 170-176 | Abstract views: 123 | PDF downloads: 127 | PDF
    DOI: https://doi.org/10.21776/ub.jels.2023.013.03.06

  • Reduction of Remazol Brilliant Blue-R Dye Levels Through Electrocoagulation Process at Laboratory Scale to Reduce Pollution Levels of Textile Industrial Waste in River Streams

    • Moh. Sholichin, Universitas Brawijaya, Malang, Indonesia
    • Bambang Ismuyanto, Universitas Brawijaya, Malang, Indonesia
    • A. S. Dwi Saptati N. H., Universitas Brawijaya, Malang, Indonesia
    • H. Susilo, Universitas Brawijaya, Malang, Indonesia
    Pages: 177-183 | Abstract views: 115 | PDF downloads: 107 | PDF
    DOI: https://doi.org/10.21776/ub.jels.2023.013.03.07

  • Potency of Coconut Shell Biochar to Remediate Ion Chromium in Contaminated Water

    • Salman Faris, Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia
    • Harmin Sulistiyaning Titah, Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia
    • Herman Pratikno, Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia
    Pages: 184-188 | Abstract views: 95 | PDF downloads: 117 | PDF
    DOI: https://doi.org/10.21776/ub.jels.2023.013.03.08