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has been cited by the following article:

• TITLE: ESR Dosimetric Study on Gamma Induced Radicals in DL-Ornithine Hydrochloride

  AUTHORS: Sayeda Eid

  KEYWORDS: Ornithine; EPR; Dosimetry

  JOURNAL NAME: Open Journal of Polymer Chemistry, Vol.3 No.1, February 28, 2013

  ABSTRACT: DL-ornithine hydrochloride rods (3 ×10 mm) were studied to be a radiation sensitive material for EPR dosimetry. The rods have specified EPR signal developed under irradiation and its intensity increases with the increase in absorbed dose. The intensity also affected by the concentration of DL-ornithine in the rods. The prepared rods can be used in the dose range from 0.5 - 50 kGy. The obtained number of free radicals per 100 eV (G value) was found to be 0.3551 ± 0.0333. The hyperfine (hf) coupling constant is 2.325 mT at g-factor 2.033. The rods have the advantage of negligible humidity effects during irradiation. The pre and post- irradiation stability was found to be satisfactory.