Journal
APPLIED RADIATION AND ISOTOPES
Volume 68, Issue 6, Pages 1025-1029Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.apradiso.2010.01.021
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Funding
- Ministry of Education, Science and Technology
- National Research Foundation of Korea [2008-2002600, 2010-0018500, 2008-521-C00176, 2007-2000099] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Silica-coated gold nanoparticles produced by gamma-ray irradiation were bombarded with neutrons in a nuclear reactor in order to activate gold nuclides into Au-198 emitting gamma radiation of 0.412-1.088 MeV. The particle size ranges from 20 to 200 nm. The physical integrity of the particles was examined by TEM before and after the neutron irradiation and the silica-gold particles were not affected in terms of structural appearance under gamma radiation environment. The gamma emitting NPs can be utilized as a tracer in petrochemical and refinery industrial processes where the internal temperature is extremely high and the conventional organic radioactive labeled compound would be decomposed. (C) 2010 Elsevier Ltd. All rights reserved.
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