화학공학소재연구정보센터
학회 한국화학공학회
학술대회 2018년 가을 (10/24 ~ 10/26, 대구 EXCO)
권호 24권 2호, p.1482
발표분야 생물화공(Biochemical Engineering)
제목 Released ions and cytotoxicity study of eutectic gallium-indium (EGaIn) liquid metal in aqueous environment
초록 Liquid metal flows like fluid at room temperature with high electrical. One of the most actively studied liquid metal materials is eutectic gallium-indium liquid metal (EGaIn, 75% Ga and 25% In by weight). Gallium oxide skin on the EGaIn surface drops surface tension, thereby enabling the liquid metal to be moldable. It has been known that EGaIn has relatively low toxicity; however, little systematic study about EGaIn cytotoxicity has been reported. Here, we studied the time-dependent release of Ga and In ions from EGaIn droplet in aqueous environment and the effect of the droplet surface area and sonication process on the ion release. To evaluate the cytotoxicity of the ions released from EGaIn, we performed in vitro cytotoxicity test. EGaIn releasates are generally non-toxic, but the cells exhibited less than 50% proliferation after 3 days of culture in the presence of the EGaIn releasates by 20 min sonication. Our findings could provide a guideline in using EGaIn, especially for bio-related applications.
저자 김지혜1, 구형준1, 김성준2, 김교범2, 소주희3
소속 1서울과학기술대, 2인천대, 3한국생산기술(연)
키워드 생물화공
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