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  • Optimization of Photovoltaic Cells Using Copper-Aluminium Electrodes and Magnesium Sulfate-Based Gel Electrolytes

    Photovoltaic cells are devices that can convert sunlight energy into electrical energy by applying the photovoltaic principle. Indonesia is a country located on the equator that receives a lot of sunlight every year....
    Fitri Yanni Indonesia , Rahadian Zainul Indonesia
    Pages: 228-238 2025-06-30
    10.24036/eksakta/vol26-iss02/573
    105 131
  • Optimizing Copper-Aluminum Photovoltaic Cells with Sodium Chloride Gel Electrolyte Under Neon Lamp Ilumination: A Comprehensive Review

    Photovoltaic cells are devices capable of converting light energy into electrical energy through the photovoltaic effect, where absorbed photons in semiconductor materials generate an electric current. Ideally,...
    Dhea Nurfadilla Chandra Indonesia , Mohammad Abdullah Malaysia , Adhan Efendi Taiwan, Province of China , Ilham Saputra Taiwan, Province of China
    Pages: 344-354 2025-09-30
    10.24036/eksakta/vol26-iss03/582
    132 109
  • 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
    360 466
  • Optimization of the Optimum Condition of Mushroom Light Excitation (Neonothopanus sp) Bioluminescence

    On the South Coast of West Sumatra was found a luminous mushroom, the Neonothopanus sp. The light-emitting characteristics of this mushroom are not yet known. For the use of this bioluminescence in various fields,...
    Mila Qurniawati Indonesia , Ratna Wulan Indonesia
    Pages: 1-9 2021-03-27
    10.24036/eksakta/vol22-iss1/232
    346 363
  • Computational Analysis of Iron Corrosion Inhibition by Compounds in Rimbang Leaf Extract (Solanum torvum) Using the DFT Method

    Iron is one of the most widely used metals in industry. This study was conducted on the performance of inhibitor compounds in rimbang leaf extract against iron corrosion based on several theoretical approaches. The...
    Qory Sidwa Jufri Indonesia , Emriadi Indonesia , Imelda Indonesia
    Pages: 424-435 2024-12-30
    10.24036/eksakta/vol25-iss04/548
    137 219
  • Optimization of Genetic Algorithm for Implementation Designing and Modeling in Academic Scheduling

    This research was investigated using the Genetic Algebra Method for scheduling lectures and practicums. Genetic algorithms are used to solve problems that are modeled according to evolutionary principles in...
    Tri Suratno Indonesia , Niken Rarasati Indonesia , Gusmanely Z` Indonesia
    Pages: 17-24 2019-04-28
    10.24036/eksakta/vol20-iss1/166
    1154 1023
  • Efficient 1D Heat Equation Solver: Leveraging Numba in Python

    This paper presents a Numba-based solver for the 1D Heat Equation, seamlessly blending Python’s readability with Numba’s dynamic Just-In-Time (JIT) compilation. The explicit method exhibits a notable runtime...
    Sandy Hardian Susanto Herho United States , Siti Nurzannah Kaban United States , Dasapta Erwin Irawan Indonesia , Rubiyanto Kapid Indonesia
    Pages: 126-137 2024-06-30
    10.24036/eksakta/vol25-iss02/487
    342 232
  • Residual-Based Analysis of the Mismatch Between LoRa Channel Models and Field Measurements in Urban and Rural Environments

    This study investigates discrepancies between classical propagation models (Okumura-Hata, CI, FI) and LoRa field measurements in urban and rural environments. While rural areas exhibited linear path loss trends,...
    Muhamad Bagus Fikril Alan Indonesia , Pradini Puspitaningayu Indonesia , Nurhayati Nurhayati Indonesia , Muhammad 'Aamir Nashrullah Indonesia , Nobuo Funabiki Japan , Erwin Sutanto Indonesia , Fahmi Fahmi Indonesia
    Pages: 298-315 2026-06-30
    10.24036/eksakta/vol27-iss03/683
    24 24
  • 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
    211 189
  • Spatial-Temporal Analysis of b-value Before and After the 2018 Lombok Earthquake Using OK1993 Based on Voronoi in the Bali-NTB Region

    This study is motivated by the tectonic complexity of the Bali-NTB region, which results in a heterogeneous seismic distribution and active stress dynamics. The objective is to analyze the spatiotemporal evolution of...
    Tata Dwi Hardi Yanti Indonesia , Yudha Styawan Indonesia , Rizki Wulandari Indonesia
    Pages: 265-276 2026-06-30
    10.24036/eksakta/vol27-iss03/678
    33 25
  • Electrolyte Optimization Study on Dry Cell Generator Electrolysis System for Producing Hydrogen Gas Using RSM Method (Response Surface Method)

    This study aims to determine the optimum condition of hydrogen gas produced through the electrolysis process of dry cell  generators using RSM progran. To produce hydrogen gas is done through the method of water...
    Salsabila Tri Rahmi Indonesia , Efran Ustia Rahmad Indonesia , Devi Purnamasari Indonesia , Rahadian Zainul Indonesia
    Pages: 226-236 2023-06-30
    10.24036/eksakta/vol24-iss02/273
    441 227
  • In Silico Evaluation of Cardiac Glycosides from Vernonia amygdalina as EGFR Inhibitors in Triple Negative Breast Cancer

    Triple-negative breast cancer (TNBC) is an aggressive subtype with limited targeted therapies, emphasizing the urgent need for novel molecular inhibitors. Epidermal growth factor receptor (EGFR) is overexpressed in...
    Gisela Agustin Habayahan Indonesia , Denny Satria Indonesia
    Pages: 219-230 2026-04-30
    10.24036/eksakta/vol27-iss02/676
    21 29
  • Optimization of Growth and Yield in Bird's Eye Chili (Capsicum frutescens L.) through Sustainable Organic Fertilization Using Banana Stem Compost and Tofu Industry Liquid Waste

    The objective of this experiment was to investigate the interaction between the application of banana stem compost and tofu industry liquid waste on the growth and yield of Bird's Eye Chili (Capsicum frutescens L.)....
    Zahanis Zahanis Indonesia , Fatimah Fatimah Indonesia , Devi Purnamasari Indonesia , Sindi Fantika Indonesia
    Pages: 311-321 2021-12-30
    10.24036/eksakta/vol22-iss4/255
    467 236
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