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All Journal Komunikasi Fisika Indonesia Abdimasku : Jurnal Pengabdian Masyarakat
Theos, Nicholas Austrin
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Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Physics Social Sciences

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Pengabdian Masyarakat Mengenai Transportasi pada Membran Sel Mamalia Untuk Siswa SMA Illya, Gregoria; Juriyah, Ainun; Theos, Nicholas Austrin
ABDIMASKU : JURNAL PENGABDIAN MASYARAKAT Vol 7, No 2 (2024): MEI 2024
Publisher : LPPM UNIVERSITAS DIAN NUSWANTORO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62411/ja.v7i2.2002

Abstract

Pada umumnya, siswa SMA belum mendapatkan informasi mengenai transportasi pada membrane sel mamalia secara mendalam, sehingga dipandang perlu untuk dilakukan kegiatan sosialisasi untuk menambah pengetahuan mengenai transportasi pada membran sel mamalia dengan bantuan alat peraga yang telah dibuat oleh tim pengabdian masyarakat dari program studi Fisika Universitas Matana.Tahapan dalam melaksanakan kegiatan ini yaitu dengan melakukan persiapan, pelaksanaan, dan evaluasi. Dari hasil kegiatan ini, dapat disimpulkan bahwa kegiatan sosialisasi ini bermanfaat, dan sesuai harapan dan kebutuhan siswa.
Literature study on the effect of exposition factors on image quality in the aspect of gray degree Theos, Nicholas Austrin
Indonesian Physics Communication Vol 22, No 2 (2025)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jkfi.22.2.67-72

Abstract

This literature study aims to examine the influence of exposure factors on the quality of radiographic images in the field of radiodiagnostics. Three scientific journals were used as research materials, focusing on adjusting tube voltage (kV) and exposure time (mAs) to optimize image quality. Experiments were conducted using Computed Radiography (CR) and Digital Radiography (DR) on different phantoms, such as water in a plastic bag as phantom, ossa manus phantom (hand), and abdominal phantoms. The results of the study indicate that the optimal combination of tube voltage and exposure time varies depending on the density and thickness of the tissues being examined. In conclusion, the proper adjustment of exposure factors is key to obtaining high-quality radiographic images for diagnosing diseases or lesions.
Co-Authors Illya, Gregoria Juriyah, Ainun