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All Journal JFA (Jurnal Fisika dan Aplikasinya)
Dita Puspita Sari
Institut Teknologi Sepuluh Nopember (ITS)
Physics

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Measurement of Hydrogen Diffusion through PVA Hydrogel using Magnetic Resonance Imaging Method in Comparison with Consistency Assessment using Digital Penetrometer Dita Puspita Sari; Darminto Darminto
Jurnal Fisika dan Aplikasinya Vol 9, No 2 (2013)
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat, LPPM-ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1043.656 KB) | DOI: 10.12962/j24604682.v9i2.846

Abstract

A study of hydrogen diffusion behavior in the PVA (polyvinyl-alcohol) hydrogel had been done to measure diffusion coefficient (Apparent Diffusion Coefficient/ ADC) used as parameter of brain tumor grading. For our study, PVA hydrogel samples were prepared using freezing-thawing method with various concentration and number of freezing-thawing cycles. The ambiguity of brain tumor grading using ADC value, which is formed from Diffusion Weighted-Imaging 1,5 T, could be reduced enough with observing the result of correlation the ADC at b-value 1000 s/mm2 and 3000 s/mm2 with assessment of consistency measured using digital penetrometer based on microcontroller.
Co-Authors Darminto Darminto