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  • A Comparative Study of Community Structure and Plankton Abundance in Seaweed Cultivation Areas in Puntondo, Takalar Regency

    Healthy tropical coastal waters ideally have a diverse plankton community, which serves as an indicator of optimal ecological stability. Monitoring based on the analysis of plankton community structure is required as...
    Rafikah Amalia Indonesia , Nita Rukminasari Indonesia , Muh. Tauhid Umar Indonesia , Irmawati Irmawati Indonesia
    Pages: 382-400 2026-06-30
    10.24036/eksakta/vol27-iss03/691
    79 78
  • Pretest-Posttest Control Group Design of Discovery Learning-Based Content Learning System in The Materials of Atomic Structure and Periodic Elements System of Class X Vocational Schools To Improve High-Level Thinking Ability

    A learning process in the form of electronics employing online learning and merging discovery learning learning models is known as a discovery learning-based content learning system. This study sought to determine...
    Sinta Rahmatika Indonesia , Rahadian Zainul Indonesia
    2023-05-22
    10.24036/eksakta/vol22-iss4/268
    1273 563
  • Computational Calculation and Molecular Docking of Thymol and O-Benzoyl Thymol as Inhibitor TYK2 Enzyme

    Thymol is the active ingredient in plants from Thymus vulgaris (thymus). The calculations and molecular docking have been done computationally for the thymol and o-benzoyl thymol. This computational calculation aims...
    Mirella Fonda Maahury Indonesia , Muhammad Daswar A. Baharudin Indonesia , Rahadian Zainul Indonesia , Ahmad Khudzairi Khalid Malaysia , Vikash Jakmola India , Maksim Rebezov Russian Federation
    Pages: 343-351 2023-09-30
    10.24036/eksakta/vol23-iss03/405
    256 232
  • Color Transitions in Tanjung-2 Chili Pepper at Green and Red Harvest Stages under Varying Growing Structures and Fertigation Levels

    Fruit color is a primary determinant of market acceptance for chili peppers ( Capsicum annuum L.). This study quantified the green-to-red color transition at harvest using the CIELAB system. The experiment had a...
    Meivie Tivalli Indonesia , Kusumiyati Kusumiyati Indonesia , Shazma Anwar Pakistan , Konain Zahra Maqbool Japan , Md Shazzadul Islam Bangladesh
    Pages: 101-119 2026-02-28
    10.24036/eksakta/vol27-iss01/658
    196 120
  • Leaf Anatomical Modification in Drought of Rice Varieties (Oryza sativa L.)

    Each organ plant has been formed perfectly to support physiological processes in an unfavorable environmental condition. Rice ( Oryza sativa L.) be included plants sensitive to drought conditions during a stage of...
    Anggara Dwi Putra Zagoto Indonesia , Violita Violita Indonesia
    Pages: 42-52 2019-08-31
    10.24036/eksakta/vol20-iss2/201
    1377 1258
  • DEGRADASI METIL VIOLET MENGGUNAKAN KATALIS ZnO-TiO2 SECARA FOTOSONOLISIS

    Research on the degradation of methyl violet has been done by using photosonolysis method. The purpose of this study is to determine how much time the optimum, optimum pH and the amount of doping TiO2 optimum...
    Hary Sanjaya Indonesia
    Pages: 91-99 2018-04-25
    10.24036/eksakta/vol19-iss1/131
    2573 3346
  • Mapping Research on BPJS Claims Management and Hospital Reimbursement: A Bibliometric Analysis

     In Indonesia, however, the near-universal coverage achieved by BPJS Kesehatan has not been matched by efficient claims governance: reimbursement deficits and administrative bottlenecks persist, while evidence...
    Sofara Rezanti Indonesia , Ekorini Listiowati Indonesia
    Pages: 670-685 2026-08-30
    10.24036/eksakta/vol27-iss04/721
    94 104
  • Exploring Synergies: Tailoring Electrical Conductivity in Novel Corn Starch and Natural Rubber Polymer Composites through Varied Carbon Additives

    Conductive polymer composites were synthesized using a crosslinking method, enhancing conductivity through the incorporation of carbon additives. Non-conductive natural polymers, corn starch, and natural rubber were...
    Miftahul Fiqri Indonesia , Syahrul Humaidi Indonesia , Erna Frida Indonesia , Estananto Estananto Indonesia
    Pages: 188-200 2024-06-30
    10.24036/eksakta/vol25-iss02/500
    337 289
  • PENGARUH WAKTU HIGH ENERGY MILLING TERHADAP KARAKTERISTIK NANOKAOLIN CAPKALA ASAL KALIMANTAN BARAT

    Synthesis of nanokaolin from Capkala’s natural clay from Bengkayang, West Borneo has been studied. Modification of kaolin particles into nano size was done by high energy milling methods using HCl 2M activator...
    Muhamad Nasir Indonesia
    Pages: 200-209 2017-11-30
    10.24036/eksakta/vol18-iss02/78
    845 1005
  • Modeling the Relationship of Net Atomic Charge with the Activity of 5-Aminopyrazole Derivative Compounds as Antioxidants with AM1 Method

    This study was conducted to analyze the quantitative relationship between structure and net atomic charge modeling activity of 21 5-aminopyrazole derivatives as antioxidants. This study aims to determine the value of...
    Nagmah Putri Dinda Toni Indonesia , Fajriah Azra Indonesia , Mirella Fonda Maahury Indonesia
    Pages: 242-254 2022-12-30
    10.24036/eksakta/vol23-iss04/334
    415 537
  • Antihyperglycemic Activity of Methanolic Annona muricata L. Leaf Extract Nanoemulsion in Alloxan Induced Mice

    Diabetes mellitus is a chronic metabolic disorder characterized by hyperglycemia and oxidative stress-related organ damage, including liver injury. This study evaluated the antihyperglycemic activity and liver...
    Desfira Syahrani Indonesia , Ratih Dyah Puspitasari Indonesia , Dina Erliana Indonesia , Munifilia Ekasari Indonesia
    Pages: 719-731 2026-08-30
    10.24036/eksakta/vol27-iss04/690
    82 63
  • Exploring Cosmological Dynamics: From FLRW Universe to Cosmic Microwave Background Fluctuations

    This study explores key aspects of cosmology, starting with the foundational FLRW equations that describe the universe's evolution, emphasizing its homogeneity and isotropy. We incorporate mass viscosity into these...
    Budiman Nasution Indonesia , Winsyahputra Ritonga Indonesia , Ruben Cornelius Siagian Indonesia , Veryyon Harahap Indonesia , Lulut Alfaris Indonesia , Aldi Cahya Muhammad Bangladesh , Nazish Laeiq India
    Pages: 500-512 2023-12-30
    10.24036/eksakta/vol23-iss04/427
    263 231
  • ISOLASI KUMARIN DARI KULIT BUAH LIMAU SUNDAI (Citrus nobilis Lour)

    Coumarin has been isolated and characteritated from rind of  Citrus nobilis Lour by maseration methode with methanol. After fractionation by n-hexane and ethyl acetate, collected the phase ethyl acetate which...
    Melindra Mulia Indonesia
    Pages: 137-145 2017-11-30
    10.24036/eksakta/vol18-iss02/70
    1703 5575
  • Isolation and Characterization of Flavonoid from Mimosa pudica

    Indonesia has a rich biodiversity, including the putri malu plant ( Mimosa pudica L.) which is known to have secondary metabolites with medicinal potential but has not been fully utilized. The purpose of this work...
    Muhamad Afham Indonesia , Rudi Hendra Indonesia , Hilwan Yuda Teruna Indonesia
    Pages: 302-311 2025-09-30
    10.24036/eksakta/vol26-iss03/608
    319 304
  • The Effect of Graphite Concentration in TiO2 Semiconductors on Efficiency of Dye Sensitized Solar Cells (DSSC) Using Dye Melastoma malabathricum L Fruit Extract

    The effect of graphite mass in TiO 2 semiconductors on the efficiency of Dye-Sensitized Solar Cell (DSSC) based on dye extract of Melastoma malabathricum has been investigated. This study aims to determine the...
    Diah Riski Gusti Indonesia , Diah Mastutik Indonesia , Intan Lestari Indonesia , Yuliana Walidatur Rofiah Indonesia
    Pages: 10-17 2021-03-27
    10.24036/eksakta/vol22-iss1/258
    420 402
  • Characterization of Hesperidin-PEG 1000 Solid Dispersion Prepared by Freeze Drying Method

    Hesperidin is a disaccharide-derivative bioflavonoid in BCS class II, insoluble in water but soluble in propylene glycol and polyethylene glycol, and its poor aqueous solubility may impair bioavailability,...
    Aga Mikail Indonesia , Aditya Trias Pradana Indonesia , Endang Wahyu Fitriani Indonesia , Agnes Nuniek Winantari Indonesia , Astridani Rizky Putranti Indonesia , Xandramela Limala Alicya Junaidi Lee Indonesia
    Pages: 536-548 2026-08-30
    10.24036/eksakta/vol27-iss04/702
    88 79
  • SARS-CoV-2 Proteases: Role and Potential as Drug Target

    The coronavirus disease of 2019 (COVID-19) has become a long global pandemic caused by a transmitted and pathogenic virus called Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2). Even though WHO has...
    Chrecentia Hanna Swestikaputri Indonesia , Tjahjani Mirawati Sudiro Indonesia
    Pages: 453-464 2023-09-30
    10.24036/eksakta/vol23-iss03/437
    262 278
  • DEGRADASI METHYLENE BLUE MENGGUNAKAN KATALIS ZnO-PEG DENGAN METODE FOTOSONOLISIS

    Study about degradation of methylene blue using photosonolysis method has been done. This research aims to investigate  effect of variation radiation times, pH, and concentrations doping PEG (polyethylene...
    Hary Sanjaya Indonesia
    Pages: 21-29 2017-11-30
    10.24036/eksakta/vol18-iss02/45
    2680 4003
  • Preparation and Analysis of Dual-Property Coated Metal Foams for Potential Wick Structures in Heat Pipe Applications

    Hydrophilic and hydrophobic coated metal foams have been successfully prepared via a cleaning procedure and a simple spraying technique to be used as a wick structure in a heat pipe. The main object of this work is...
    Doli Bonardo Indonesia , Hollanda Arief Kusuma Indonesia , Muhammad Tanveer Pakistan , Budi Dharma Indonesia , Fauzan Amri Indonesia
    Pages: 50-61 2025-03-30
    10.24036/eksakta/vol26-iss01/530
    193 282
  • Stem Anatomical Variation of Genus Gyrinops (Thymelaeaceae) in Sulawesi

    The purpose of this study was to determine the variation of the stem anatomical structure (i.e. cortex: sclerenchyma, phloem; xylem: trachea, rays, interxylary phloem and wood parenchyma; and pith) of Gyrinops...
    Karmilawati Karmilawati Indonesia , Tri Mulyaningsih Indonesia , Aida Muspiah Indonesia , Michiho Ito Japan
    Pages: 35-45 2021-03-27
    10.24036/eksakta/vol22-iss1/261
    593 410
  • Characterization and Quality Analysis of Puff Pastry Made with Corn-Based Dough

    This study aimed to analyze the dough characteristics and quality of puff pastry with corn flour as a partial substitute for wheat flour. The use of local ingredients such as corn is important for supporting food...
    Anni Faridah Indonesia , Juliana Siregar Indonesia , Rahmi Holinesti Indonesia , Ranggi Rahimul Insan Indonesia , Wiwik Indrayeni Indonesia , Fitriyasih Fitriyasih Indonesia , Ade Raimuna Indonesia
    Pages: 466-478 2026-06-30
    10.24036/eksakta/vol27-iss03/705
    124 102
  • Design and Reliability Analysis of Four-Legged Jacket Type Offshore Platform in North Java Sea

    In ideal conditions, offshore platform design follows standardized international criteria such as the American Petroleum Institute Recommended Practice 2A-LRFD (API RP2A-LRFD) to ensure structural reliability and...
    Siti Kaban United States , Sandy Hardian Susanto Herho United States , Ricky Tawekal Indonesia , Dasapta Erwin Irawan Indonesia
    Pages: 35-49 2025-03-30
    10.24036/eksakta/vol26-iss01/550
    182 307
  • Fluid Flow Analysis in Cisarua Hot Spring, South Lampung: A Study Using Geoelectric and Induced Polarization Methods

    Characterization of subsurface hydrothermal fluid flow pathways is essential for exploration and sustainable development of fault-controlled, non-volcanic geothermal systems. The Cisarua Hot Spring in Natar District,...
    Fadhiah Nurul Aini Indonesia , Joan Margareth Sihol Marito S Indonesia , Selvi Misnia Irawati Indonesia
    Pages: 415-430 2026-06-30
    10.24036/eksakta/vol27-iss03/703
    116 89
  • Genome-Wide Association Study in Pigmentation as One of Skin Aging Characteristics

    Skin aging is a physiological process marked by changes in the skin's structure, giving rise to the characteristics of skin aging, such as pigmentation. Genome-Wide Association Studies (GWAS) identify genetic...
    Farah Shabihah Indonesia , Rafika Indah Paramita Indonesia
    Pages: 237-248 2023-06-30
    10.24036/eksakta/vol24-iss02/412
    513 391
  • Anatomy of Cleome rutidosperma DC. (Cleomaceae) Ovary Development in Mataram City

    Cleome rutidosperma is one of the species that belong to famili Cleomaceae and ordo Brassicales.  The purpose of this research is to observe the ovary development of C. rutidosperma and analyse the differences...
    Zuhara Dwi Lestari Indonesia , Quratul Puspa Aeni Indonesia , Zalianty Dwinur Safitri Indonesia , Satria Gunawan Indonesia , Windi Pratami Indonesia , Nur Shopya Affifaturrahmah Indonesia , Suci Miranti Indonesia , Tri Mulyaningsih Indonesia
    Pages: 1-11 2025-03-30
    10.24036/eksakta/vol26-iss01/536
    239 457
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