THE USE OF ELECTRON-SPIN-RESONANCE SPECTROSCOPY FOR THE DETECTION OF IRRADIATED MACKEREL

Citation
F. Abdelrehim et al., THE USE OF ELECTRON-SPIN-RESONANCE SPECTROSCOPY FOR THE DETECTION OF IRRADIATED MACKEREL, Applied radiation and isotopes, 48(2), 1997, pp. 241-245
Citations number
23
Categorie Soggetti
Nuclear Sciences & Tecnology","Radiology,Nuclear Medicine & Medical Imaging","Chemistry Inorganic & Nuclear
Journal title
Applied radiation and isotopes
ISSN journal
09698043 → ACNP
Volume
48
Issue
2
Year of publication
1997
Pages
241 - 245
Database
ISI
SICI code
0969-8043(1997)48:2<241:TUOESF>2.0.ZU;2-K
Abstract
Free radicals produced in Spanish mackerel fish bone by Co-60 gamma-ra ys were measured using electron spin resonance spectroscopy. The ESR s pectra of the irradiated fish were found to have an asymmetric absorpt ion characterized by a major resonance at g(1) = 2.0020 and a minor re sonance at g(2) = 1.9980. The intensity of the radiation-induced ESR s ignal was found to increase with the absorbed dose. The results obtain ed after irradiation in the dose range 0.5-5.7 kGy gave a nonlinear re lationship between the radiation dose and ESR signal height. The radia tion-induced ESR signal of Spanish mackerel decayed most significantly in the first 15 days after irradiation, but could still be detected e ven after 60 days. Copyright (C) 1997 Elsevier Science Ltd