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논문 기본 정보

자료유형
학술저널
저자정보
Sajid Mushtaq (Pakistan Institute of Engineering and Applied Sciences) Jung Eun Park (Kyungpook National University) Ha Eun Shim (Korea Atomic Energy Research Institute) Chang Heon Lee (Korea Atomic Energy Research Institute) Hee Soon Shin (Korea Food Research Institute) So-Young Lee (Korea Food Research Institute) Jongho Jeon (Kyungpook National University)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제27권 제5호
발행연도
2022.10
수록면
127 - 133 (7page)

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초록· 키워드

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A lot of people in Korea have suffered from severe toxicity of PHMG, a humidifier disinfectant. To assess the risk and in-depth mechanistic understanding of toxicity posed by a hazardous substance, it is essential to determine its biological uptake in organs. In this study, we investigate the biodistribution of PHMG using radioanalytical techniques. By labeling PHMG with radioactive indium (<SUP>111</SUP>In), the uptake values of PHMG in organs can be measured after intravenous injection in Sprague–Dawley rats for up to 168 h. The results indicate that PHMG is distributed in the liver (28.63% injected dose (%ID)) and lungs (12.44%ID) at 30 min post administration. In addition, the clearance rate of PHMG distributed in the internal organs is slow, with approximately 65% of injected PHMG remaining in the lungs after 1 week. Moreover, we quantified biodistribution of the radiolabeled PHMG exposed through intratracheal instillation and oral administration routes, and the observed data were compared to each other to understand in vivo behavior of PHMG. In addition, radiolabeled PHMG in an animal model can be visualized using SPECT/CT. The obtained results indicate that repetitive exposure to PHMG results in damage to lungs, as well as extrapulmonary organs.

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ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References

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