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NTIS 바로가기Korean chemical engineering research = 화학공학, v.57 no.3, 2019년, pp.432 - 437
김준현 (아주대학교 나노정보기술융합연구소) , 박창진 (아주대학교 화학공학과, 에너지시스템학과) , 김창구 (아주대학교 화학공학과, 에너지시스템학과)
An atmospheric pressure floating electrode-dielectric barrier discharge (FE-DBD) system having flexible electrodes was developed and its plasma characteristics was investigated. Polytetrafluoroethylene (PTFE), polydiemethylsiloxane (PDMS), and polyethylene terephthalate (PET) were used as flexible d...
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핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
플라즈마란? | 플라즈마(plasma)는 부분적으로 이온화된 기체로 정의되며 전자(electron), 이온(ion), 아직 이온화되지 않은 중성입자로 구성된다. 플라즈마는 발생되는 압력에 따라 저압 플라즈마와 대기압 플라즈마로 나뉘어진다. | |
활성산소종의 특징은? | 최근에 대기압 플라즈마에서 발생되는 활성 종인 활성산소종 (reactive oxygen species, ROS)과 활성질소종(reactive nitrogen species, RNS)을 지혈, 살균, 상처치료 등에 적용하는 시도가 보고되면서 대기압 플라즈마를 생물학 또는 의학에 이용하는 소위 플라즈마 메디신(plasma medicine) 분야에 많은 관심이 모아지고 있다[7-11]. ROS는 매우 불안정하기 때문에 주위 물질들과 쉽게 반응하여 안정된 상태를 이루려는 특징이 있어 세포의 지질, 아미노산과 같은 유기 분자를 손상 및 파괴하여 살균과 소독에 효과적이다[10]. RNS는상처 치유에 도움이 되는 사이토카인(cytokine)의 합성과 섬유아세포(fibrioblast)의 증식을 촉진하여 상처 치유를 유도하는 역할을 하는 것으로 알려져 있다[10]. | |
플라즈마는 발생되는 압력에 따라 어떻게 나뉘어지는가? | 플라즈마(plasma)는 부분적으로 이온화된 기체로 정의되며 전자(electron), 이온(ion), 아직 이온화되지 않은 중성입자로 구성된다. 플라즈마는 발생되는 압력에 따라 저압 플라즈마와 대기압 플라즈마로 나뉘어진다. 저압 플라즈마는 반도체소자, MEMS (microelectromechanical systems) 소자, 광소자와 같은 다양한 소자제조공정에서 고종횡비 (high aspect ratio) 구조물을 얻기 위해 많이 사용되고 있다[1-6]. |
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