Published: Aug 31, 2026

Articles

In Silico Analysis of Pinocembrin Inclusion Complexes with beta-Cyclodextrin and Hydroxypropyl-beta-Cyclodextrin Using DFT and Molecular Docking

10.22487/kovalen.2026.v12.i2.18233
53-64 Syifa Prasetya Putri, I Gusti Made Sanjaya, Muhammad Ikhlas Abdjan
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Fe Removal by Pistia stratiotes Under Mixed-Metal Conditions: Evaluating Ionic Competition During Phytoremediation

10.22487/kovalen.2026.v12.i2.18238
65-82 Ninik Triayu Susparini, Marwita, Holisha Widiyanto, Lusi Aferta, Dian Susvira, Boima Situmeang
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Ethanolic Soxhlet Extract of Harendong Leaf (Melastoma malabathricum): A Study of Total Phenolic Content and Antioxidant Activity

10.22487/kovalen.2026.v12.i2.18216
83-91 Maysah Purnamasari, Sumaah
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Effect of Spent Coffee Grounds on the Organoleptic Properties, pH, Moisturizing Effect, and Skin Irritation of Body Scrub Formulated with Waste Cooking-Olive Oils Liquid Soap

10.22487/kovalen.2026.v12.i2.18123
92-105 Syamsul Bakhri, Lastri Wiyani, Dhea Kirana Faradila Amir, Rilda Yasifa Idznih, Isna Rahmayanti Burhanuddin, Rewnita Shahra Asmin
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Microwave-Assisted Synthesis of Nanohydroxyapatite Using a Biotemplate

10.22487/kovalen.2026.v12.i2.18223
106-112 Pepi Helza Yanti, Mardian Siregar, Tri Nugraha Saputra
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Formulation of Encapsulated Extracts from Local Palu Red Onion Bulbs (Allium cepa var. aggregatum L.) Using Carrageenan Coating: Characterization, Stability, and Antioxidant Activity

10.22487/kovalen.2026.v12.i2.18156
113-124 Nurhaeni, Aulia Pariusi Pariusi, Aini Auliana Amar, Ruslan, Abdul Rahman Razak, Indriani
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Design and Optimization of Fe Doped TiO2 Photocatalytic Reactors for Pollutant Degradation: A Systematic Literature Review

10.22487/kovalen.2026.v12.i2.18038
125-140 Misriyani Misriyani, Emil Hardiansyah
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