JOS | Universitas Jenderal Soedirman

Articles

Isolation and Characterization of Cellulase Enzymes from Marine Endophytic Fungi

Kustiariyah Tarman, Safrina Dyah Hardiningtyas, Rina Mardiana, Ismi Isti'anah, Ella Salamah

1-11

DOI: https://doi.org/10.20884/1.jm.2026.21.1.9857
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Adsorption Study of Crystal Violet Using Natural Zeolite of Indonesia

Aulia Hasanah

12-21

DOI: https://doi.org/10.20884/1.jm.2026.21.1.11029
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Synthesıs and in Sılıco Studıes of 1,3,5-Trıaryl-2-Pyrazolıne Derıvatıves Contaınıng Chloro Substıtuent and Pyrrolıdıne Moıety

Jasril Jasril, Ihsan Iktiarudin, Nisa Ulhukmi, Riryn Novianty, Mhd Muslim Syaifullah, Neni Frimayanti

22-31

DOI: https://doi.org/10.20884/1.jm.2026.21.1.11084
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Carbon Electrode and Buleleng Seawater in Degrading the Leachate in Bengkala Village of Buleleng Regency by Using Electro-Oxidation Techniques

Ni Made Wiratini, I Ketut Lasia, Khusna Arif Rakhman, Indra Cipta

32-40

DOI: https://doi.org/10.20884/1.jm.2026.21.1.12130
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Optimization of the epoxidation reaction of Calophyllum inophyllum oil-based epoxy

Dedy Suhendra, Sudirman Sudirman, Murniati Murniati, Sri Seno Handayani, Ni Kadek Suardani Iswari, Erin Ryantin Gunawan

41-48

DOI: https://doi.org/10.20884/1.jm.2026.21.1.12176
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Antioxidant Activity of Flavonoids from T. catappa Linn Fruit Flesh Fractionated using Continuous Column chromatography

Senny Widyaningsih, Moch. Chasani, Undri Rastuti, Santi Nur Handayani, Silena Azahra, Salma Yuni Pratiwi

144-154

DOI: https://doi.org/10.20884/1.jm.2026.21.1.17276
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Theoretical and Environmental Chemistry

Antioxidant Activity, Total Phenolic and Flavonoid Content, and Metabolite Profiling of Kalanchoe Ceratophylla Haw. Leaf Ethanol Extract

Rohmah Luthfiyanti, Berna Elya, Muhammad Hanafi, Lamhot Parulian Manalu, Erma Maryana, Taufik Rahman

119-131

DOI: https://doi.org/10.20884/1.jm.2026.21.1.17066
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Antioxidant Activity of Stannous Complexes Containing Amide Functionality

Raji Thomas, Pushpa Pardasani

94-101

DOI: https://doi.org/10.20884/1.jm.2026.21.1.14935
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Material synthesis for energy and environmental

Characterization of Palm Oil Mill Fly Ash Based Adsorbent as Bleaching Agent of Crude Palm Oil

Elda Pelita, Desniorita Desniorita, Dyah Nirmala, Rita Youfa, Regna Tri Jayanti, Anang Baharuddin Sahaq, Resi Levi Permadani

59-70

DOI: https://doi.org/10.20884/1.jm.2026.21.1.14061
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Evaluation of Pyrolysis Temperature and Time on The Quality Improvement of Calliandra Wood Charcoal Briquettes as An Alternative Energy Source

Rio Ardiansyah Murda, Try Vista Ulina Br Pasaribu, Maeda Wahyuningrum, Muhammad Rizky Zen, Sena Maulana, Nino Rinaldi, Muhammad Iqbal Maulana, Khoryfatul Munawaroh, Fathi Lizardi, Akbar Ash Shiddiqi Faedloni

71-84

DOI: https://doi.org/10.20884/1.jm.2026.21.1.14411
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Mixed Natural Rubber Latex and Co2SiO4/SiO2 Derived from Silica of Oil Palm Leaves and Cobalt Nitrate

Sal Prima Yudha S, Morina Adfa, Swadexi Istiqphara, Muhamad Alvin Reagen, Teja Dwi Sutanto

102-108

DOI: https://doi.org/10.20884/1.jm.2026.21.1.16369
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Rice Husk Ash-Derived Magnetized Silica Functionalized with TMPDT for Heavy Metal Ion Removal

Sri Hastuti, Hasna Haifa Irfani, Rifania Aura Nuzula, Teguh Endah Saraswati, Abu Masykur, Candra Purnawan, Atmanto Heru Wibowo, Dina Fitriana

155-165

DOI: https://doi.org/10.20884/1.jm.2026.21.1.17837
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The Initial Screening of Heavy Metal Adsorption on Highly Porous Metal-Organic Frameworks based on MIL-101(Cr), Ethylenediamine-modified MIL-101(Cr), and MIL-101(Cr)-NH2

Dendy Dendy, Witri Wahyu Lestari, Isa Anshori, Sentot Budi Rahardjo, Edi Pramono, Teguh Endah Saraswati, Fajar Rakhman Wibowo

132-143

DOI: https://doi.org/10.20884/1.jm.2026.21.1.17186
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Biomolecule Isolation, Modification and Application

Assessing Vinblastine and Proline Contents in Catharanthus roseus Cultivated on Inceptisol under Water Stress

Simbar Sulanjari Susanto, Sri Nuryani Hidayah Utami, Eko Hanudin

175-183

DOI: https://doi.org/10.20884/1.jm.2026.21.1.18939
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Synthesis, in Vitro Studies of Monocarbonyl Curcumin Analog Compounds Against Breast Cancer Cells and Normal Vero Cells, and In Silico Studies on Protein Variation

Endang Astuti, Widya Rahmawati, Rahmawati Sulistya, Ircham Nur Chabib, Tutik Dwi Wahyuningsih, Tri Joko Raharjo, Muhammad Idham Darussalam Mardjan

49-58

DOI: https://doi.org/10.20884/1.jm.2026.21.1.13888
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Optimization of Extraction Conditions to Enhance Polyphenol Content and Antioxidant Activity İn Orthosiphon Aristatus Leaves

Dimas Febriyanto, Inda Setyawati, Laksmi Ambarsari, Waras Nurcholis

109-118

DOI: https://doi.org/10.20884/1.jm.2026.21.1.16820
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Physicochemical Characterization and Chemical Profiling of Essential Oils from Mountainous Zingiber Species in Vietnam

Minh Tu THI MINH Nguyen Thi, Le Thi My Chau, Tran Dinh Thang, Nguyen Thi Thao, Tran Thi Ngoc Thu, Hoang Thi Le Hang

166-174

DOI: https://doi.org/10.20884/1.jm.2026.21.1.17848
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Analytical Method Development and Validation

Endoscope-Based Digital Image Colorimetry for Nitrite Quantification in Processed Meats

Giovania Halim, Valerie Wangsawijaya, Grace Renata Gondowardojo, Martin Tjahjono

85-93

DOI: https://doi.org/10.20884/1.jm.2026.21.1.14528
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