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논문 기본 정보

자료유형
학술저널
저자정보
Kim, Ho Young (Department of Nuclear Medicine, Seoul National University College of Medicine) Park, Jongbum (Department of Nuclear Medicine, Seoul National University Hospital) Lee, Ji Youn (Department of Nuclear Medicine, Seoul National University College of Medicine) Lee, Yun-Sang (Department of Nuclear Medicine, Seoul National University College of Medicine) Jeong, Jae Min (Department of Nuclear Medicine, Seoul National University College of Medicine)
저널정보
대한방사성의약품학회 대한방사성의약품학회지 대한방사성의약품학회지 제4권 제2호
발행연도
2018.1
수록면
80 - 84 (5page)

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$[^{13}N]$Ammonia or $[^{13}N]NH_3$ is one of the most widely used PET tracer for the measurement of MBF. To produce $[^{13}N]NH_3$, devarda's alloy which contains aluminum, copper and zinc is used for the purpose of reduction from $^{13}N$-nitrate/nitrite to $[^{13}N]NH_3$. Since aluminum has neurotoxicity and renal toxicity, the amount of it should be carefully limited for the administration to the human body. Although USP and EP provide a way to identify the aluminum ion concentration, there are some difficulties to perform. Therefore, we tried to develop the modified method for verifying aluminum concentration of test solution. We compared color between test and standard solutions using chrome azurol S in pH 4.6 acetate buffer. We also tested color change of test and standard solutions according to pH, amounts and the order of reagent and time difference These results demonstrated that the color change of the solution can reflect quantitatively measure aluminum ion concentration. We hope the method is to be used effectively and practically in many sites where $[^{13}N]NH_3$ is produced.

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