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제114회 대한화학회 학술발표회, 총회 및 기기전시회 안내 Oligonucleotide-Catalyzed Formation of DNA-Silica Hybrid Material

등록일
2014년 8월 28일 14시 06분 06초
접수번호
0945
발표코드
MAT.P-1098 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
10월 15일 (수요일) 16:00~19:00
발표형식
포스터
발표분야
재료화학
저자 및
공동저자
정영환*, 박지훈1
한국폴리텍대학 바이오캠퍼스 바이오나노소재과, Korea
1한국과학기술원(KAIST) 화학과, Korea
Ever since artificial DNA synthesis techniques, such as chemical oligonucleotide synthesis and polymerase chain reaction (PCR), were developed, DNA was found to be a fundamental building block for nanomaterials in a precise control because double strand DNA is rigid and stable on the basis of phosphate back bone structure, which could endow enough negative charge with DNA. 2D or 3D nanostructures, such as various origami structures, nanotubes, and nanomeshs, were constructed by DNA self-assembly. With the self-assembled DNA structures, researchers made great achievements in the formation of DNA-inorganic hybrid material by DNA-templated mineralization (metal reduction). In contrast to the conventional reduction method, DNA has now been utilized as a template for catalytic polycondensation of silica, resulting in DNA-silica hybrid material, which displayed hierarchical or crystalline structure. In this study, we demonstrated the formation of DNA-silica hybrid material with DNA nanostructure consisting of three oligonucleotide branchs from trifunctional linkers. The results could open the possibility to increase the morphological diversity of nanometric silica hybrid material.

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