


Volume 16 No 4 (2018)
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Kinetic Study on the OSL Technique Using Human Blood Sample
Kemal Koç , Güneş Tanır,Gülper Aksoy , M. Hicabi Bölükdemir
Abstract
It is clear that humans are exposed to ionizing radiation both of internally or externally in radiotherapy. The
determination of ionizing radiation dose in human blood has been previously performed by us using optically
stimulated luminescence technique. OSL technique is based on measuring the luminescence intensity from a
sample that has been exposed to ionizing radiation. In this study, the detrapping constants for human blood
samples were investigated using Curve-Fitting, Active OSL-Approximation and Linear Modulation techniques. The
Active OSL-Approximation was based on the radioactive decay law of successive disintegration. It allows obtaining
the peak forms of luminescence signal. It has been observed that the decay rates for blood sample exposed to
different radiation doses were changed with dose. AOSL- Approximation is appropriate for separating the peaks
that correspond to decay rates.
Keywords
Active-OSL-Approximation, Radioactive Decay, Kinetic Parameters of OSL, Deconvolution
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