Physics
Scientific paper
Sep 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004rapc...71..181c&link_type=abstract
Radiation Physics and Chemistry, Volume 71, Issue 1-2, p. 181-184.
Physics
2
Irradiated Chestnut, Identification, Thermoluminescence
Scientific paper
Photostimulated luminescence (PSL) measurement, DNA comet assay, electron spin resonance (ESR) spectroscopy and thermoluminescence (TL) measurement were applied to identify irradiated chestnut. Samples were irradiated with 60Co γ-rays at 0-0.5kGy. The PSL photon counts for irradiated chestnuts were too low to be distinguished from those of the non-irradiated sample. There was no difference in DNA comets between non-irradiated and irradiated chestnuts. ESR spectroscopy did not show any radiation-induced specific signals but a symmetric singlet. However, using TL, the shape of the glow curve (Glow 1) made it possible to identify the irradiated chestnuts. In addition, the TL glow ratio (Glow 1/Glow 2) obtained by normalization was less than 0.01 for the non-irradiated sample and >=0.10 for irradiated ones, respectively.
Byun Myung-Woo
Chung Hyung-Wook
Delincée Henry
Han Sang-Bae
Hong Jin-Hwan
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