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All Journal Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Jurnal technoscientia JFA (Jurnal Fisika dan Aplikasinya) Indonesian Journal of Science and Education Journal of Physics: Theories and Applications Jurnal Penelitian Pendidikan IPA (JPPIPA) Spektra: Jurnal Fisika dan Aplikasinya Indonesian Journal of Chemistry Kwangsan: Jurnal Teknologi Pendidikan JURNAL TEKNOLOGI TECHNOSCIENTIA PROSIDING SEMINAR NASIONAL FISIKA (E-JOURNAL) Jurnal Riset Fisika Indonesia Jurnal Ilmiah Pangan Halal Time in Physics: Journal for Theoretical, Instrumentation, Material-Molecular, and Education Physics Wahana Fisika : Jurnal Fisika dan Terapannya
Permono Adi Putro
Program Studi Fisika, Fakultas Sains, Universitas Mandiri, Subang 41211
Aerospace Engineering Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Other

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Kajian Fluktuasi Sifat Dielektrik Telur Puyuh yang Bervariasi pada Lama Penyimpanan Irawan, Bagus; Maddu, Akhiruddin; Rustami, Erus; Sulaeman, Ahmad Sofyan; Putro, Permono Adi
TIME in Physics Vol. 2 No. 1 (2024): March
Publisher : Universitas Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/timeinphys.2024.v2i1p41-49

Abstract

An increasing of public attention to the quality of food has been increasing, recently. One type of food that consumed is quail eggs (QE). In this study, QE were tested by Electrochemical Impedance Spectroscopy (EIS) method with some parameters such as complex impedance, dielectric constant, and loss tangent analysis. Several interesting results showed that dielectric properties of QE experience a fluctuation phenomenon if the test is influenced by storage duration, qualitatively. Therefore, we approximately prove that QE quality can be tested via EIS to obtain fine results.
Pengaruh Penambahan Jenis Tepung Terhadap Daya Terima Dendeng Lumat Keong Mas Aprialdi, Muhammad Agung; Erina, Efrina; Putro, Permono Adi
Jurnal Ilmiah Pangan Halal Vol. 4 No. 2 (2022): Jurnal Ilmiah Pangan Halal
Publisher : Universitas Djuanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30997/jiph.v4i2.9901

Abstract

Jerky found in the market is generally made from beef, while jerky with other raw materials has not been found much. Dried golden snail contains 18.00% ash content, 56.61% crude protein, 5.87% fat and also 2.99% crude fiber. The processing of golden snail as a raw material in the production of creamed jerky is expected to provide functional food. The method used in this study was an experiment with an organoleptic test, namely a hedonik test by 30 semi-trained panelists. The formula used is a jerky formula that has been standardized and divided into 3 formulas, DK standardized formula, the difference is the addition of 50 grams of wheat flour in the DKT formula and 50 grams of cornstarch in DKM. The results of the hedonik test scale that has been carried out and analyzed with the friedman statistical test and continued with the tukey advanced test show that the DK0 formula is the most preferred sample by the panelists with a score of 15.50 for the color, a score of 2.83 for the aroma, a score for 2.43 on the texture and 2.50 on the taste. Based on the data, it can be seen if standardized blended jerky products without additions can be accepted by the panellist
A Force Field Simulation Approach to Analyze the Molecular Structure Stability of Cyanidin-3-Glucoside Using Avogadro: A Preliminary Study Putro, Permono Adi; Wulandari, Desi; Wulandari, Devia Putri; Nurfaidah, Fitriah; Ahdan, M Farid; Chaerunnisa, Seviana; Octaviani, Vina Umaya
TIME in Physics Vol. 2 No. 2 (2024): September
Publisher : Universitas Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/timeinphys.2024.v2i2p66-76

Abstract

Cyanidin-3-glucoside (C3G) is a flavonoid compound that is an antioxidant and natural colorant widely found in berries and vegetables such as red cabbage. This study aims to explore the structural stability of C3G using computer simulations based on force field theory through Avogadro software. In this study, the Universal Force Field (UFF), Merck Molecular Force Field (MMFF94), and General Amber Force Field (GAFF) methods were used to analyze the stability of C3G. The energy optimization results showed that the Ghemical method produced a more stable structure than other methods, although there was a discrepancy with GAFF. The GAFF method was more stable than UFF, but required more energy to achieve stability. Overall, the difference in force field methods affected the molecule's stability through optimization energy and structure parameterization variations, which affected the distance and angle of atomic bonds. These findings provide an efficient picture of the stable conformation of C3G, which can be applied in the food, health, and cosmetic industries.
Calibration and Signal Processing of MPU6050 Sensor to Improve Navigation Stability of Autonomous Underwater Vehicle (AUV) Putro, Permono Adi; Pinardi, Kuntjoro; Ramadhan, Aditia; Zein, Aulia Sultan Rafael; Nurfalah, Yokeu
TIME in Physics Vol. 3 No. 1 (2025): March
Publisher : Universitas Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/timeinphys.2025.v3i1p31-44

Abstract

A stable and accurate navigation system is crucial for the operation of Autonomous Underwater Vehicles (AUVs), especially in underwater environments where GPS signals are unavailable. This study aims to enhance AUV navigation performance by optimizing the use of a low-cost inertial sensor, the MPU6050, through calibration and signal processing techniques. The methodology includes reading raw data from accelerometer and gyroscope sensors, performing static calibration to reduce bias and noise, applying Fast Fourier Transform (FFT) for signal analysis, and implementing digital filters such as low-pass and high-pass filters. The raw data reveal significant deviations due to gyroscope bias and accelerometer noise. Static calibration effectively reduces systematic errors, although residual biases remain. FFT analysis identifies dominant frequency components in each axis, while digital filtering helps eliminate irrelevant frequency noise. Precision testing demonstrates that the sensor produces relatively stable data post-calibration, with the Z-axis showing higher deviation compared to the X and Y axes. The combination of calibration and signal processing methods significantly improves the data quality and reliability of the MPU6050 sensor. This research contributes to the development of more efficient and low-cost AUV navigation systems and supports the broader application of simple IMU sensors in underwater exploration and maritime technologies.
Analisa Kandungan Boraks pada Tahu dengan Menggunakan Texture Analyzer dan Spektrometer Putro, Permono Adi; Susanti, Novita Dwi; Wulandari, Devia Putri
Jurnal Riset Fisika Indonesia Vol 5 No 2 (2025): Juni
Publisher : Jurusan Fisika, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jrfi.v5i2.5844

Abstract

Food safety is a critical issue in ensuring public health, especially in preventing contamination from harmful substances illegally added to food. One such hazardous additive is borax, which is sometimes used by unscrupulous food producers to preserve texture and shelf life, despite its known toxicity and prohibition in food products. This study aims to detect the presence of borax in tofu, a widely consumed protein source, by utilizing two analytical tools such as a Texture Analyzer and a Spectrometer. The Texture Analyzer was employed to evaluate the physical firmness of tofu, as borax is known to increase its hardness. The Spectrometer was used to confirm the chemical presence of borax. Results indicated that tofu samples containing borax showed significantly firmer textures compared to control samples, and the spectrometric analysis successfully detected borax compounds. These findings demonstrate that both instruments are effective in identifying borax contamination. The study recommends the sustainable development of rapid and accurate detection methods for other hazardous additives to enhance food safety monitoring and enforcement practices.
A Bibliometric Analysis of Carbon Dots in Sensors Application Putro, Permono Adi; Hardhienata, Hendradi; Isnaeni, Isnaeni; Ahmad, Faozan; Khaerudini, Deni Shidqi; Prasetyo, Andhika Prima; Maddu, Akhiruddin
Jurnal Penelitian Fisika dan Aplikasinya (JPFA) Vol. 12 No. 2 (2022)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpfa.v12n2.p138-155

Abstract

The exponential increase in carbonaceous-based research has prompted the scientific community to apply it to numerous value-added applications. This paper aimed to systematically analyze the comprehensive contributions clusters of publications per year, country, institution, authors, and keywords-wise by using a quantitative review technique called bibliometric analysis. The data was retrieved from the Scopus database to identify the overall scientific trend results with the keyword "carbon dots as a sensor" from 2010 to 2020. The VOSviewer, WordItOut, and Datawrapper are selected as tools for bibliometric analysis and data visualization. In this work, the total citations from the Scopus Core Set and the total citations in the most recent year have only been used for the assessment of highly cited papers. The results showed that after 2014, the number of publications increased significantly with the work related to “carbon dots as sensors.” Thus, comprehensive journals like the Angewandte Chemie - International Edition were the most popular in publishing articles, contributing to almost 6.39% of the research area. The country-wise analysis revealed that China accounted for more than 67.18% of the articles published, followed by the United States and India, comprising 6.24% and 6.13%, respectively. Lastly, keyword cluster analysis revealed five major research hotspots for future discussion. Thus, this analysis provides an important starting point for further studies on research concerning the direction of "carbon dots as a sensor" for positive development in the research area.
Purification and Characterization of Monazite from Bangka using Mechanical-Magnetic Separation Method Aldila, Herman; Indriawati, Anisa; Putro, Permono Adi
Jurnal Penelitian Pendidikan IPA Vol 10 No 5 (2024): May
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i5.6644

Abstract

In this research, the purification and characteristics of monazite, a by-product of the tin ore enrichment process. Monazite is given pre-treatment to monazite sand using the mechanical-magnetic separation method to increase the content of rare earth metal elements. Based on the results of the analysis of monazite samples from Tin mine tailings concentrate that has been purified, the dominant elements of the highest rare earth metals are cerium (Ce), lanthanum (La), neodymium (Nd), and Yttrium (Y). The mechanical-magnetic separation method, monazite from Tin mine tailings concentrate can have higher purity. These rare earth metal elements can be further extracted or synthesized; and used as supporting or even main materials in developing advanced technological industries.
Canonical Correlation Analysis and Its Extension for SSVEP-based BCI Detection: A Systematic Review Suhendra, Muhamad Agung; Robiyana, Iqbal; Sumardi, Tedi; Sulaeman, Ahmad Sofyan; Putro, Permono Adi; Nurizati, Nurizati; Suryadi, Usep Tatang; Wijaya, Anderias Eko; Ajidarmo, Sunanto; Budiman, Arief; Amri, M. Faizal
Jurnal Penelitian Pendidikan IPA Vol 10 No 12 (2024): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i12.9844

Abstract

SSVEP-based Brain-Computer Interfaces (BCIs) utilize steady-state visual evoked potentials, which are brain responses triggered by visual stimuli flickering at specific frequencies. Users can focus on these stimuli, allowing the system to interpret their intent based on the brain's electrical activity. This technology has applications in communication for individuals with disabilities, gaming, and neuro-feedback, offering an ultimate means of interaction through thought alone. In this study, systematic literature review was conducted to identify analytical methods for SSVEP spellers with PRISMA method from the eligibility criteria. CCA and its extension become gold-standar method that give excellent performances for SSVEP recognition and signal classification. Some uniques features also found such as MsetCCA, FB-CCA, MF-CCA, TW-CCA, CP-CCA, IIS-CCA, TT-CCA and RLS-CCA. Therefore, we have various options for choosing the best method for recognizing SSVEP from EEG signals based BCI.
Co-Authors ADI YULANDI Ahdan, M Farid Ahmad Sulaeman Ahmad, Faozan Akhiruddin Maddu Amri, M. Faizal Andhika Prima Prasetyo Anugrah, Daru Seto Bagus Aprialdi, Muhammad Agung Badryatusyahryah Badryatusyahryah Bagus Irawan Cecep Kustandi Chaerunnisa, Seviana Deni Shidqi Khaerudini Desi Wulandari, Desi Erina, Efrina Erizal Erizal Hardhienata, Hendradi Herman Aldila Imas Ratna Ermawati, Imas Ratna Indriawati, Anisa Iqbal Robiyana Isnaeni - Isnaeni Isnaeni Isnaeni Isnaeni Isnaeni Isnaeni Laura Virdy Darmalim Liana Dewi Nuratikah Liszulfah Roza Liszulfah Roza Liszulfah Roza Liszulfah Roza Muhamad Agung Suhendra Murni Winarsih Novita Dwi Susanti, Novita Dwi Nurfaidah, Fitriah Nurfalah, Yokeu Nurfina Yudasari Nurizati Nurizati Nurwarrohman Andre Sasongko Octaviani, Vina Umaya Parsaoran Siahaan Pinardi, Kuntjoro Ramadhan, Aditia Rustami, Erus Suhendra, Muhamad Agung Sulaeman, Ahmad Sofyan Sumardi, Tedi Tedi Sumardi Usep Tatang Suryadi, Usep Tatang Wulandari, Devia Putri Yulia Irdawati Zein, Aulia Sultan Rafael