Feb 15 – 19, 2026
Grand Hotel Mediterraneo
Europe/Rome timezone
12th International Conference on Isotopes - 12ICI

DYE BASED RADIO-CHROMIC DOSIMETERS FOR MEDICAL AND ENVIRONMENTAL APPLICATIONS

Feb 17, 2026, 5:01 PM
20m
Pacifico Room (Grand Hotel Mediterraneo)

Pacifico Room

Grand Hotel Mediterraneo

Oral presentation 6. Security, Safety and Quality Assurance 6. Security, Safety and Quality Assurance - Tue_S3_D

Speaker

Hagos Tesfay Medhin (Addis Ababa University College of Health Sciences Department of Internal Medicine Nuclear Medicine Unit)

Summary

Natural dyes such as asthaxantin could be a promising material for low dose dosimetry as dose dependent color changes help detect low doses for safe practices in radiation areas such as radiotherapy and nuclear medicine as well as environment. The mechanism of radiochromic properties is due to the interaction of radiolysis products of chloroform and the conjugated bonds of asthaxantin. The spectrophotometric results show a linear relation in the dose range from 0 to 10 Gy.

Author

Hagos Tesfay Medhin (Addis Ababa University College of Health Sciences Department of Internal Medicine Nuclear Medicine Unit)

Co-authors

Prof. Dino Secondo Lastoria (Istituto Nazionale Tumori IRCCS Fondazione G. Pascale) Prof. Frank Romeo (Salerno University) Dr Michela Aurelio (Istituto Nazionale Tumori IRCCS "Fondazione G. Pascale")

Presentation materials

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