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http://dx.doi.org/10.5657/kfas.2008.41.2.089

Contractile Activity of Goldfish Intestine Exposed to 18F Isotope  

Moon, Gyeong-Hee (Department of Physics, Pukyong National University)
Ok, Chi-Il (Department of Physics, Pukyong National University)
Cho, Seung-Il (Department of Physics, Pukyong National University)
Lee, Jong-Kyu (Department of Physics, Pukyong National University)
Kil, Sang-Hyeong (Department of Nuclear Medicine, Pusan National University Hospital)
Seo, Won-Chan (Major of Materials Processing Engineering, Pukyong National University)
Lee, Byung-Woo (Major of Materials Processing Engineering, Pukyong National University)
Sohn, Hee-Young (Department of Biotechnology, Pukyong National University)
Go, Hye-Jin (Department of Biotechnology, Pukyong National University)
Park, Nam-Gyu (Department of Biotechnology, Pukyong National University)
Publication Information
Korean Journal of Fisheries and Aquatic Sciences / v.41, no.2, 2008 , pp. 89-93 More about this Journal
Abstract
Goldfish were exposed to radioactive isotope $^{18}F$, which is used for positron emission tomography (PET). $^{18}F$ is created when the oxygen in water combines with hydrogen on exposure to positrons accelerated by a cyclotron. The temporal change in intestine contractility was measured by physiograph after the exposure to $^{18}F$. The distance between the goldfish and 580 mCi of $^{18}F$ was approximately 4 cm and the exposure was for 4 hrs. The absorption level calculated from the distance, exposure time, and half-life of $^{18}F$ was approximately 2 Gy. The contractile activity of goldfish intestine was lowest on the first day and increased gradually to 100% of the control level by a period of between 5 and 36 days.
Keywords
Radiation; Goldfish; Intestine; Contractibility;
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