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All Journal Jurnal Fisika dan Terapannya Medika Trada Media Bina Ilmiah
Yugiantoro, Darojat
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Humanities Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Physics Social Sciences Other

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Evaluasi Air dan Oli sebagai Material Dasar Phantom Anechoic untuk Aplikasi Ultrasonography (USG) Maulani Qonitin; Harsoyo, Imam Tri; Yugiantoro, Darojat; Ibad, Asyrofil
JFT : Jurnal Fisika dan Terapannya Vol 12 No 1 (2025): Juni 2025
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jft.v12i1.57163

Abstract

The increasing demand for ultrasonography (USG) phantoms for training and equipment calibration highlights the need for effective and affordable local alternatives. This study investigates two base materials water and oilas anechoic phantom media through a laboratory-based experimental approach. Phantoms were constructed by placing two test objects a gasoline filled straw and a piece of Styrofoam into separate containers filled with each medium, then scanned using the Mindray DP-10 ultrasound device. Measurements of object diameter and depth were conducted five times to assess precision and image quality. Numerical data and visual outputs were analyzed comparatively to evaluate acoustic characteristics, image clarity, noise level, and stability. The findings reveal notable differences in imaging performance between the two materials, reflecting the influence of acoustic impedance and viscosity on phantom effectiveness in USG applications.
PENGARUH KESELAMATAN DAN KESEHATAN KERJA, BUDAYA KERJA SERTA KEPUASAN KERJA TERHADAP KINERJA TENAGA KESEHATAN DENGAN ORGANIZATION CITIZENSHIP BEHAVIOR (OCB) SEBAGAI VARIABEL INTERVENING Yugiantoro, Darojat; Kesi Widjajanti; Indarto, Indarto
Media Bina Ilmiah Vol. 18 No. 3: October 2023
Publisher : LPSDI Bina Patria

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33758/mbi.v18i3.627

Abstract

Penelitian ini dilakukan untuk menganalisis peran Organization Citizenship Behavior (OCB) sebagai variabel intervening dalam memediasi keselamatan dan kesehatan kerja, budaya kerja serta kepuasan kerja terhadap kinerja tenaga kesehatan di Rumah Sakit Roemani Muhammadiyah yang sedang mengalami penurunan sehingga dapat dimanfaatkan oleh manajemen sebagai bahan referensi untuk meningkatkan kinerja. Jenis penelitian ini merupakan kuantitatif dan analisis data yang dipakai menggunakan metode Structural Equation Modeling (SEM) dengan software AMOS. Responden penelitian yang diambil merupakan seluruh tenaga kesehatan lain yang berada di Rumah Sakit Roemani Muhammadiyah sejumlah 163 orang sehingga penelitian ini merupakan sensus. Hasil analisa yang diperoleh dalam penelitian ini menunjukkan bahwa K3 secara tidak langsung melalui OCB tidak berpengaruh signifikan terhadap kinerja akan tetapi jka secara langsung tanpa memalui OCB pengaruhnya positif dan signifikan. Budaya kerja secara tidak langsung melalui OCB berpengaruh positif dan signifikan terhadap kinerja akan tetapi budaya kerja secara langsung tanpa adanya OCB tidak berpengaruh signifikan terhadap kinerja. kepuasan kerja secara tidak langsung melalui OCB berpengaruh positif dan signifikan terhadap kinerja akan tetapi kepuasan kerja secara langsung tanpa adanya OCB tidak berpengaruh signifikan terhadap kinerja.
Pengembangan Sistem Deteksi Anemia Non-Invasif Menggunakan Photoplethysmography (PPG) dan Logika Fuzzy untuk Estimasi Kadar Hemoglobin Yugiantoro, Darojat; Nuryanto Budisusila, Eka; Dwi Prasetyowati, Sri Arttini; Arifin, Bustanul
MEDIKA TRADA : Jurnal Teknik Elektomedik Polbitrada Vol 6 No 2 (2025): MEDIKA TRADA: Jurnal Teknik Elektromedik Polbitrada Vol 6 No 2 (2025)
Publisher : LPPM POLBITRADA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59485/jtemp.v6i2.163

Abstract

The Anemia is a global health issue affecting many individuals worldwide. Traditional anemia detection through invasive blood testing is often costly, time-consuming, and requires trained medical personnel. This study developed a non-invasive anemia detection system based on Photoplethysmography (PPG) technology and fuzzy logic to estimate hemoglobin (Hb) levels and classify the degree of anemia. The system uses a PPG sensor to measure red and infrared light intensities, which are used to calculate the ratio and estimate the hemoglobin levels. The fuzzy logic system then classifies the estimated Hb results into the categories of Severe Anemia, Moderate Anemia, and Mild Anemia. The results of the study indicate that this system provides an estimated hemoglobin level with an accuracy of 92.1%, and can classify anemia degrees with results comparable to conventional blood testing. This system offers a more practical, efficient, and non-invasive alternative for anemia detection and has the potential to be used for self-health monitoring.
Co-Authors Bustanul Arifin Harsoyo, Imam Tri Ibad, Asyrofil Indarto Indarto Kesi Widjajanti Maulani Qonitin Nuryanto Budisusila, Eka Sri Arttini Dwi Prasetyawati