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114th General Meeting of Korean Chemical Society Oligonucleotide-Catalyzed Formation of DNA-Silica Hybrid Material

Submission Date :
8 / 28 / 2014 , 14 : 06 : 06
Abstract Number :
114082809458
Presenting Type:
Poster Presentation
Presenting Area :
재료화학
Authors :
정영환*, 박지훈1
한국폴리텍대학 바이오캠퍼스 바이오나노소재과, Korea
1한국과학기술원(KAIST) 화학과, Korea
Assigned Code :
MAT.P-1098 Assigend Code Guideline
Presenting Time :
10월 15일 (수요일) 16:00~19:00
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.